From: "Darrick J. Wong" <darrick.wong@oracle.com> To: Brian Foster <bfoster@redhat.com> Cc: david@fromorbit.com, linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, xfs@oss.sgi.com Subject: Re: [PATCH 041/119] xfs: create rmap update intent log items Date: Sat, 16 Jul 2016 00:10:03 -0700 [thread overview] Message-ID: <20160716071003.GB21529@birch.djwong.org> (raw) In-Reply-To: <20160715183341.GA55338@bfoster.bfoster> On Fri, Jul 15, 2016 at 02:33:41PM -0400, Brian Foster wrote: > On Thu, Jun 16, 2016 at 06:22:14PM -0700, Darrick J. Wong wrote: > > Create rmap update intent/done log items to record redo information in > > the log. Because we need to roll transactions between updating the > > bmbt mapping and updating the reverse mapping, we also have to track > > the status of the metadata updates that will be recorded in the > > post-roll transactions, just in case we crash before committing the > > final transaction. This mechanism enables log recovery to finish what > > was already started. > > > > Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> > > --- > > A couple nits below, otherwise looks good: > > Reviewed-by: Brian Foster <bfoster@redhat.com> > > > fs/xfs/Makefile | 1 > > fs/xfs/libxfs/xfs_log_format.h | 67 ++++++ > > fs/xfs/libxfs/xfs_rmap_btree.h | 19 ++ > > fs/xfs/xfs_rmap_item.c | 459 ++++++++++++++++++++++++++++++++++++++++ > > fs/xfs/xfs_rmap_item.h | 100 +++++++++ > > fs/xfs/xfs_super.c | 21 ++ > > 6 files changed, 665 insertions(+), 2 deletions(-) > > create mode 100644 fs/xfs/xfs_rmap_item.c > > create mode 100644 fs/xfs/xfs_rmap_item.h > > > > > > diff --git a/fs/xfs/Makefile b/fs/xfs/Makefile > > index 2de8c20..8ae0a10 100644 > > --- a/fs/xfs/Makefile > > +++ b/fs/xfs/Makefile > > @@ -104,6 +104,7 @@ xfs-y += xfs_log.o \ > > xfs_extfree_item.o \ > > xfs_icreate_item.o \ > > xfs_inode_item.o \ > > + xfs_rmap_item.o \ > > xfs_log_recover.o \ > > xfs_trans_ail.o \ > > xfs_trans_buf.o \ > > diff --git a/fs/xfs/libxfs/xfs_log_format.h b/fs/xfs/libxfs/xfs_log_format.h > > index e5baba3..b9627b7 100644 > > --- a/fs/xfs/libxfs/xfs_log_format.h > > +++ b/fs/xfs/libxfs/xfs_log_format.h > > @@ -110,7 +110,9 @@ static inline uint xlog_get_cycle(char *ptr) > > #define XLOG_REG_TYPE_COMMIT 18 > > #define XLOG_REG_TYPE_TRANSHDR 19 > > #define XLOG_REG_TYPE_ICREATE 20 > > -#define XLOG_REG_TYPE_MAX 20 > > +#define XLOG_REG_TYPE_RUI_FORMAT 21 > > +#define XLOG_REG_TYPE_RUD_FORMAT 22 > > +#define XLOG_REG_TYPE_MAX 22 > > > > /* > > * Flags to log operation header > > @@ -227,6 +229,8 @@ typedef struct xfs_trans_header { > > #define XFS_LI_DQUOT 0x123d > > #define XFS_LI_QUOTAOFF 0x123e > > #define XFS_LI_ICREATE 0x123f > > +#define XFS_LI_RUI 0x1240 /* rmap update intent */ > > +#define XFS_LI_RUD 0x1241 > > > > #define XFS_LI_TYPE_DESC \ > > { XFS_LI_EFI, "XFS_LI_EFI" }, \ > > @@ -236,7 +240,9 @@ typedef struct xfs_trans_header { > > { XFS_LI_BUF, "XFS_LI_BUF" }, \ > > { XFS_LI_DQUOT, "XFS_LI_DQUOT" }, \ > > { XFS_LI_QUOTAOFF, "XFS_LI_QUOTAOFF" }, \ > > - { XFS_LI_ICREATE, "XFS_LI_ICREATE" } > > + { XFS_LI_ICREATE, "XFS_LI_ICREATE" }, \ > > + { XFS_LI_RUI, "XFS_LI_RUI" }, \ > > + { XFS_LI_RUD, "XFS_LI_RUD" } > > > > /* > > * Inode Log Item Format definitions. > > @@ -604,6 +610,63 @@ typedef struct xfs_efd_log_format_64 { > > } xfs_efd_log_format_64_t; > > > > /* > > + * RUI/RUD (reverse mapping) log format definitions > > + */ > > +struct xfs_map_extent { > > + __uint64_t me_owner; > > + __uint64_t me_startblock; > > + __uint64_t me_startoff; > > + __uint32_t me_len; > > + __uint32_t me_flags; > > +}; > > + > > +/* rmap me_flags: upper bits are flags, lower byte is type code */ > > +#define XFS_RMAP_EXTENT_MAP 1 > > +#define XFS_RMAP_EXTENT_MAP_SHARED 2 > > +#define XFS_RMAP_EXTENT_UNMAP 3 > > +#define XFS_RMAP_EXTENT_UNMAP_SHARED 4 > > +#define XFS_RMAP_EXTENT_CONVERT 5 > > +#define XFS_RMAP_EXTENT_CONVERT_SHARED 6 > > +#define XFS_RMAP_EXTENT_ALLOC 7 > > +#define XFS_RMAP_EXTENT_FREE 8 > > +#define XFS_RMAP_EXTENT_TYPE_MASK 0xFF > > I assume all of the _SHARED stuff defined here and throughout is not > used until reflink.. (not that big of a deal if it's a PITA to remove). Yep, these are for reflink. > > + > > +#define XFS_RMAP_EXTENT_ATTR_FORK (1U << 31) > > +#define XFS_RMAP_EXTENT_BMBT_BLOCK (1U << 30) > > +#define XFS_RMAP_EXTENT_UNWRITTEN (1U << 29) > > + > > +#define XFS_RMAP_EXTENT_FLAGS (XFS_RMAP_EXTENT_TYPE_MASK | \ > > + XFS_RMAP_EXTENT_ATTR_FORK | \ > > + XFS_RMAP_EXTENT_BMBT_BLOCK | \ > > + XFS_RMAP_EXTENT_UNWRITTEN) > > + > > +/* > > + * This is the structure used to lay out an rui log item in the > > + * log. The rui_extents field is a variable size array whose > > + * size is given by rui_nextents. > > + */ > > +struct xfs_rui_log_format { > > + __uint16_t rui_type; /* rui log item type */ > > + __uint16_t rui_size; /* size of this item */ > > + __uint32_t rui_nextents; /* # extents to free */ > > + __uint64_t rui_id; /* rui identifier */ > > + struct xfs_map_extent rui_extents[1]; /* array of extents to rmap */ > > +}; > > + > > +/* > > + * This is the structure used to lay out an rud log item in the > > + * log. The rud_extents array is a variable size array whose > > + * size is given by rud_nextents; > > + */ > > +struct xfs_rud_log_format { > > + __uint16_t rud_type; /* rud log item type */ > > + __uint16_t rud_size; /* size of this item */ > > + __uint32_t rud_nextents; /* # of extents freed */ > > + __uint64_t rud_rui_id; /* id of corresponding rui */ > > + struct xfs_map_extent rud_extents[1]; /* array of extents rmapped */ > > +}; > > + > > +/* > > * Dquot Log format definitions. > > * > > * The first two fields must be the type and size fitting into > ... > > diff --git a/fs/xfs/xfs_rmap_item.c b/fs/xfs/xfs_rmap_item.c > > new file mode 100644 > > index 0000000..91a3b2c > > --- /dev/null > > +++ b/fs/xfs/xfs_rmap_item.c > > @@ -0,0 +1,459 @@ > ... > > +/* > > + * Copy an RUI format buffer from the given buf, and into the destination > > + * RUI format structure. The RUI/RUD items were designed not to need any > > + * special alignment handling. > > + */ > > +int > > +xfs_rui_copy_format( > > + struct xfs_log_iovec *buf, > > + struct xfs_rui_log_format *dst_rui_fmt) > > +{ > > + struct xfs_rui_log_format *src_rui_fmt; > > + uint len; > > + > > + src_rui_fmt = buf->i_addr; > > + len = sizeof(struct xfs_rui_log_format) + > > + (src_rui_fmt->rui_nextents - 1) * > > + sizeof(struct xfs_map_extent); > > + > > + if (buf->i_len == len) { > > + memcpy((char *)dst_rui_fmt, (char *)src_rui_fmt, len); > > + return 0; > > + } > > + return -EFSCORRUPTED; > > I'd switch this around since we don't have the mess that > xfs_efi_copy_format() has to deal with. E.g., > > if (buf->i_len != len) > return -EFSCORRUPTED; > > memcpy(..); > return 0; Will do. --D > > Brian > > > +} > > + > > +/* > > + * Freeing the RUI requires that we remove it from the AIL if it has already > > + * been placed there. However, the RUI may not yet have been placed in the AIL > > + * when called by xfs_rui_release() from RUD processing due to the ordering of > > + * committed vs unpin operations in bulk insert operations. Hence the reference > > + * count to ensure only the last caller frees the RUI. > > + */ > > +void > > +xfs_rui_release( > > + struct xfs_rui_log_item *ruip) > > +{ > > + if (atomic_dec_and_test(&ruip->rui_refcount)) { > > + xfs_trans_ail_remove(&ruip->rui_item, SHUTDOWN_LOG_IO_ERROR); > > + xfs_rui_item_free(ruip); > > + } > > +} > > + > > +static inline struct xfs_rud_log_item *RUD_ITEM(struct xfs_log_item *lip) > > +{ > > + return container_of(lip, struct xfs_rud_log_item, rud_item); > > +} > > + > > +STATIC void > > +xfs_rud_item_free(struct xfs_rud_log_item *rudp) > > +{ > > + if (rudp->rud_format.rud_nextents > XFS_RUD_MAX_FAST_EXTENTS) > > + kmem_free(rudp); > > + else > > + kmem_zone_free(xfs_rud_zone, rudp); > > +} > > + > > +/* > > + * This returns the number of iovecs needed to log the given rud item. > > + * We only need 1 iovec for an rud item. It just logs the rud_log_format > > + * structure. > > + */ > > +static inline int > > +xfs_rud_item_sizeof( > > + struct xfs_rud_log_item *rudp) > > +{ > > + return sizeof(struct xfs_rud_log_format) + > > + (rudp->rud_format.rud_nextents - 1) * > > + sizeof(struct xfs_map_extent); > > +} > > + > > +STATIC void > > +xfs_rud_item_size( > > + struct xfs_log_item *lip, > > + int *nvecs, > > + int *nbytes) > > +{ > > + *nvecs += 1; > > + *nbytes += xfs_rud_item_sizeof(RUD_ITEM(lip)); > > +} > > + > > +/* > > + * This is called to fill in the vector of log iovecs for the > > + * given rud log item. We use only 1 iovec, and we point that > > + * at the rud_log_format structure embedded in the rud item. > > + * It is at this point that we assert that all of the extent > > + * slots in the rud item have been filled. > > + */ > > +STATIC void > > +xfs_rud_item_format( > > + struct xfs_log_item *lip, > > + struct xfs_log_vec *lv) > > +{ > > + struct xfs_rud_log_item *rudp = RUD_ITEM(lip); > > + struct xfs_log_iovec *vecp = NULL; > > + > > + ASSERT(rudp->rud_next_extent == rudp->rud_format.rud_nextents); > > + > > + rudp->rud_format.rud_type = XFS_LI_RUD; > > + rudp->rud_format.rud_size = 1; > > + > > + xlog_copy_iovec(lv, &vecp, XLOG_REG_TYPE_RUD_FORMAT, &rudp->rud_format, > > + xfs_rud_item_sizeof(rudp)); > > +} > > + > > +/* > > + * Pinning has no meaning for an rud item, so just return. > > + */ > > +STATIC void > > +xfs_rud_item_pin( > > + struct xfs_log_item *lip) > > +{ > > +} > > + > > +/* > > + * Since pinning has no meaning for an rud item, unpinning does > > + * not either. > > + */ > > +STATIC void > > +xfs_rud_item_unpin( > > + struct xfs_log_item *lip, > > + int remove) > > +{ > > +} > > + > > +/* > > + * There isn't much you can do to push on an rud item. It is simply stuck > > + * waiting for the log to be flushed to disk. > > + */ > > +STATIC uint > > +xfs_rud_item_push( > > + struct xfs_log_item *lip, > > + struct list_head *buffer_list) > > +{ > > + return XFS_ITEM_PINNED; > > +} > > + > > +/* > > + * The RUD is either committed or aborted if the transaction is cancelled. If > > + * the transaction is cancelled, drop our reference to the RUI and free the > > + * RUD. > > + */ > > +STATIC void > > +xfs_rud_item_unlock( > > + struct xfs_log_item *lip) > > +{ > > + struct xfs_rud_log_item *rudp = RUD_ITEM(lip); > > + > > + if (lip->li_flags & XFS_LI_ABORTED) { > > + xfs_rui_release(rudp->rud_ruip); > > + xfs_rud_item_free(rudp); > > + } > > +} > > + > > +/* > > + * When the rud item is committed to disk, all we need to do is delete our > > + * reference to our partner rui item and then free ourselves. Since we're > > + * freeing ourselves we must return -1 to keep the transaction code from > > + * further referencing this item. > > + */ > > +STATIC xfs_lsn_t > > +xfs_rud_item_committed( > > + struct xfs_log_item *lip, > > + xfs_lsn_t lsn) > > +{ > > + struct xfs_rud_log_item *rudp = RUD_ITEM(lip); > > + > > + /* > > + * Drop the RUI reference regardless of whether the RUD has been > > + * aborted. Once the RUD transaction is constructed, it is the sole > > + * responsibility of the RUD to release the RUI (even if the RUI is > > + * aborted due to log I/O error). > > + */ > > + xfs_rui_release(rudp->rud_ruip); > > + xfs_rud_item_free(rudp); > > + > > + return (xfs_lsn_t)-1; > > +} > > + > > +/* > > + * The RUD dependency tracking op doesn't do squat. It can't because > > + * it doesn't know where the free extent is coming from. The dependency > > + * tracking has to be handled by the "enclosing" metadata object. For > > + * example, for inodes, the inode is locked throughout the extent freeing > > + * so the dependency should be recorded there. > > + */ > > +STATIC void > > +xfs_rud_item_committing( > > + struct xfs_log_item *lip, > > + xfs_lsn_t lsn) > > +{ > > +} > > + > > +/* > > + * This is the ops vector shared by all rud log items. > > + */ > > +static const struct xfs_item_ops xfs_rud_item_ops = { > > + .iop_size = xfs_rud_item_size, > > + .iop_format = xfs_rud_item_format, > > + .iop_pin = xfs_rud_item_pin, > > + .iop_unpin = xfs_rud_item_unpin, > > + .iop_unlock = xfs_rud_item_unlock, > > + .iop_committed = xfs_rud_item_committed, > > + .iop_push = xfs_rud_item_push, > > + .iop_committing = xfs_rud_item_committing, > > +}; > > + > > +/* > > + * Allocate and initialize an rud item with the given number of extents. > > + */ > > +struct xfs_rud_log_item * > > +xfs_rud_init( > > + struct xfs_mount *mp, > > + struct xfs_rui_log_item *ruip, > > + uint nextents) > > + > > +{ > > + struct xfs_rud_log_item *rudp; > > + uint size; > > + > > + ASSERT(nextents > 0); > > + if (nextents > XFS_RUD_MAX_FAST_EXTENTS) { > > + size = (uint)(sizeof(struct xfs_rud_log_item) + > > + ((nextents - 1) * sizeof(struct xfs_map_extent))); > > + rudp = kmem_zalloc(size, KM_SLEEP); > > + } else { > > + rudp = kmem_zone_zalloc(xfs_rud_zone, KM_SLEEP); > > + } > > + > > + xfs_log_item_init(mp, &rudp->rud_item, XFS_LI_RUD, &xfs_rud_item_ops); > > + rudp->rud_ruip = ruip; > > + rudp->rud_format.rud_nextents = nextents; > > + rudp->rud_format.rud_rui_id = ruip->rui_format.rui_id; > > + > > + return rudp; > > +} > > diff --git a/fs/xfs/xfs_rmap_item.h b/fs/xfs/xfs_rmap_item.h > > new file mode 100644 > > index 0000000..bd36ab5 > > --- /dev/null > > +++ b/fs/xfs/xfs_rmap_item.h > > @@ -0,0 +1,100 @@ > > +/* > > + * Copyright (C) 2016 Oracle. All Rights Reserved. > > + * > > + * Author: Darrick J. Wong <darrick.wong@oracle.com> > > + * > > + * This program is free software; you can redistribute it and/or > > + * modify it under the terms of the GNU General Public License > > + * as published by the Free Software Foundation; either version 2 > > + * of the License, or (at your option) any later version. > > + * > > + * This program is distributed in the hope that it would be useful, > > + * but WITHOUT ANY WARRANTY; without even the implied warranty of > > + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the > > + * GNU General Public License for more details. > > + * > > + * You should have received a copy of the GNU General Public License > > + * along with this program; if not, write the Free Software Foundation, > > + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. > > + */ > > +#ifndef __XFS_RMAP_ITEM_H__ > > +#define __XFS_RMAP_ITEM_H__ > > + > > +/* > > + * There are (currently) three pairs of rmap btree redo item types: map, unmap, > > + * and convert. The common abbreviations for these are RUI (rmap update > > + * intent) and RUD (rmap update done). The redo item type is encoded in the > > + * flags field of each xfs_map_extent. > > + * > > + * *I items should be recorded in the *first* of a series of rolled > > + * transactions, and the *D items should be recorded in the same transaction > > + * that records the associated rmapbt updates. Typically, the first > > + * transaction will record a bmbt update, followed by some number of > > + * transactions containing rmapbt updates, and finally transactions with any > > + * bnobt/cntbt updates. > > + * > > + * Should the system crash after the commit of the first transaction but > > + * before the commit of the final transaction in a series, log recovery will > > + * use the redo information recorded by the intent items to replay the > > + * (rmapbt/bnobt/cntbt) metadata updates in the non-first transaction. > > + */ > > + > > +/* kernel only RUI/RUD definitions */ > > + > > +struct xfs_mount; > > +struct kmem_zone; > > + > > +/* > > + * Max number of extents in fast allocation path. > > + */ > > +#define XFS_RUI_MAX_FAST_EXTENTS 16 > > + > > +/* > > + * Define RUI flag bits. Manipulated by set/clear/test_bit operators. > > + */ > > +#define XFS_RUI_RECOVERED 1 > > + > > +/* > > + * This is the "rmap update intent" log item. It is used to log the fact that > > + * some reverse mappings need to change. It is used in conjunction with the > > + * "rmap update done" log item described below. > > + * > > + * These log items follow the same rules as struct xfs_efi_log_item; see the > > + * comments about that structure (in xfs_extfree_item.h) for more details. > > + */ > > +struct xfs_rui_log_item { > > + struct xfs_log_item rui_item; > > + atomic_t rui_refcount; > > + atomic_t rui_next_extent; > > + unsigned long rui_flags; /* misc flags */ > > + struct xfs_rui_log_format rui_format; > > +}; > > + > > +/* > > + * This is the "rmap update done" log item. It is used to log the fact that > > + * some rmapbt updates mentioned in an earlier rui item have been performed. > > + */ > > +struct xfs_rud_log_item { > > + struct xfs_log_item rud_item; > > + struct xfs_rui_log_item *rud_ruip; > > + uint rud_next_extent; > > + struct xfs_rud_log_format rud_format; > > +}; > > + > > +/* > > + * Max number of extents in fast allocation path. > > + */ > > +#define XFS_RUD_MAX_FAST_EXTENTS 16 > > + > > +extern struct kmem_zone *xfs_rui_zone; > > +extern struct kmem_zone *xfs_rud_zone; > > + > > +struct xfs_rui_log_item *xfs_rui_init(struct xfs_mount *, uint); > > +struct xfs_rud_log_item *xfs_rud_init(struct xfs_mount *, > > + struct xfs_rui_log_item *, uint); > > +int xfs_rui_copy_format(struct xfs_log_iovec *buf, > > + struct xfs_rui_log_format *dst_rui_fmt); > > +void xfs_rui_item_free(struct xfs_rui_log_item *); > > +void xfs_rui_release(struct xfs_rui_log_item *); > > + > > +#endif /* __XFS_RMAP_ITEM_H__ */ > > diff --git a/fs/xfs/xfs_super.c b/fs/xfs/xfs_super.c > > index 1575849..a8300e4 100644 > > --- a/fs/xfs/xfs_super.c > > +++ b/fs/xfs/xfs_super.c > > @@ -47,6 +47,7 @@ > > #include "xfs_sysfs.h" > > #include "xfs_ondisk.h" > > #include "xfs_defer.h" > > +#include "xfs_rmap_item.h" > > > > #include <linux/namei.h> > > #include <linux/init.h> > > @@ -1762,8 +1763,26 @@ xfs_init_zones(void) > > if (!xfs_icreate_zone) > > goto out_destroy_ili_zone; > > > > + xfs_rud_zone = kmem_zone_init((sizeof(struct xfs_rud_log_item) + > > + ((XFS_RUD_MAX_FAST_EXTENTS - 1) * > > + sizeof(struct xfs_map_extent))), > > + "xfs_rud_item"); > > + if (!xfs_rud_zone) > > + goto out_destroy_icreate_zone; > > + > > + xfs_rui_zone = kmem_zone_init((sizeof(struct xfs_rui_log_item) + > > + ((XFS_RUI_MAX_FAST_EXTENTS - 1) * > > + sizeof(struct xfs_map_extent))), > > + "xfs_rui_item"); > > + if (!xfs_rui_zone) > > + goto out_destroy_rud_zone; > > + > > return 0; > > > > + out_destroy_rud_zone: > > + kmem_zone_destroy(xfs_rud_zone); > > + out_destroy_icreate_zone: > > + kmem_zone_destroy(xfs_icreate_zone); > > out_destroy_ili_zone: > > kmem_zone_destroy(xfs_ili_zone); > > out_destroy_inode_zone: > > @@ -1802,6 +1821,8 @@ xfs_destroy_zones(void) > > * destroy caches. > > */ > > rcu_barrier(); > > + kmem_zone_destroy(xfs_rui_zone); > > + kmem_zone_destroy(xfs_rud_zone); > > kmem_zone_destroy(xfs_icreate_zone); > > kmem_zone_destroy(xfs_ili_zone); > > kmem_zone_destroy(xfs_inode_zone); > > > > _______________________________________________ > > xfs mailing list > > xfs@oss.sgi.com > > http://oss.sgi.com/mailman/listinfo/xfs
WARNING: multiple messages have this Message-ID (diff)
From: "Darrick J. Wong" <darrick.wong@oracle.com> To: Brian Foster <bfoster@redhat.com> Cc: linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, xfs@oss.sgi.com Subject: Re: [PATCH 041/119] xfs: create rmap update intent log items Date: Sat, 16 Jul 2016 00:10:03 -0700 [thread overview] Message-ID: <20160716071003.GB21529@birch.djwong.org> (raw) In-Reply-To: <20160715183341.GA55338@bfoster.bfoster> On Fri, Jul 15, 2016 at 02:33:41PM -0400, Brian Foster wrote: > On Thu, Jun 16, 2016 at 06:22:14PM -0700, Darrick J. Wong wrote: > > Create rmap update intent/done log items to record redo information in > > the log. Because we need to roll transactions between updating the > > bmbt mapping and updating the reverse mapping, we also have to track > > the status of the metadata updates that will be recorded in the > > post-roll transactions, just in case we crash before committing the > > final transaction. This mechanism enables log recovery to finish what > > was already started. > > > > Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> > > --- > > A couple nits below, otherwise looks good: > > Reviewed-by: Brian Foster <bfoster@redhat.com> > > > fs/xfs/Makefile | 1 > > fs/xfs/libxfs/xfs_log_format.h | 67 ++++++ > > fs/xfs/libxfs/xfs_rmap_btree.h | 19 ++ > > fs/xfs/xfs_rmap_item.c | 459 ++++++++++++++++++++++++++++++++++++++++ > > fs/xfs/xfs_rmap_item.h | 100 +++++++++ > > fs/xfs/xfs_super.c | 21 ++ > > 6 files changed, 665 insertions(+), 2 deletions(-) > > create mode 100644 fs/xfs/xfs_rmap_item.c > > create mode 100644 fs/xfs/xfs_rmap_item.h > > > > > > diff --git a/fs/xfs/Makefile b/fs/xfs/Makefile > > index 2de8c20..8ae0a10 100644 > > --- a/fs/xfs/Makefile > > +++ b/fs/xfs/Makefile > > @@ -104,6 +104,7 @@ xfs-y += xfs_log.o \ > > xfs_extfree_item.o \ > > xfs_icreate_item.o \ > > xfs_inode_item.o \ > > + xfs_rmap_item.o \ > > xfs_log_recover.o \ > > xfs_trans_ail.o \ > > xfs_trans_buf.o \ > > diff --git a/fs/xfs/libxfs/xfs_log_format.h b/fs/xfs/libxfs/xfs_log_format.h > > index e5baba3..b9627b7 100644 > > --- a/fs/xfs/libxfs/xfs_log_format.h > > +++ b/fs/xfs/libxfs/xfs_log_format.h > > @@ -110,7 +110,9 @@ static inline uint xlog_get_cycle(char *ptr) > > #define XLOG_REG_TYPE_COMMIT 18 > > #define XLOG_REG_TYPE_TRANSHDR 19 > > #define XLOG_REG_TYPE_ICREATE 20 > > -#define XLOG_REG_TYPE_MAX 20 > > +#define XLOG_REG_TYPE_RUI_FORMAT 21 > > +#define XLOG_REG_TYPE_RUD_FORMAT 22 > > +#define XLOG_REG_TYPE_MAX 22 > > > > /* > > * Flags to log operation header > > @@ -227,6 +229,8 @@ typedef struct xfs_trans_header { > > #define XFS_LI_DQUOT 0x123d > > #define XFS_LI_QUOTAOFF 0x123e > > #define XFS_LI_ICREATE 0x123f > > +#define XFS_LI_RUI 0x1240 /* rmap update intent */ > > +#define XFS_LI_RUD 0x1241 > > > > #define XFS_LI_TYPE_DESC \ > > { XFS_LI_EFI, "XFS_LI_EFI" }, \ > > @@ -236,7 +240,9 @@ typedef struct xfs_trans_header { > > { XFS_LI_BUF, "XFS_LI_BUF" }, \ > > { XFS_LI_DQUOT, "XFS_LI_DQUOT" }, \ > > { XFS_LI_QUOTAOFF, "XFS_LI_QUOTAOFF" }, \ > > - { XFS_LI_ICREATE, "XFS_LI_ICREATE" } > > + { XFS_LI_ICREATE, "XFS_LI_ICREATE" }, \ > > + { XFS_LI_RUI, "XFS_LI_RUI" }, \ > > + { XFS_LI_RUD, "XFS_LI_RUD" } > > > > /* > > * Inode Log Item Format definitions. > > @@ -604,6 +610,63 @@ typedef struct xfs_efd_log_format_64 { > > } xfs_efd_log_format_64_t; > > > > /* > > + * RUI/RUD (reverse mapping) log format definitions > > + */ > > +struct xfs_map_extent { > > + __uint64_t me_owner; > > + __uint64_t me_startblock; > > + __uint64_t me_startoff; > > + __uint32_t me_len; > > + __uint32_t me_flags; > > +}; > > + > > +/* rmap me_flags: upper bits are flags, lower byte is type code */ > > +#define XFS_RMAP_EXTENT_MAP 1 > > +#define XFS_RMAP_EXTENT_MAP_SHARED 2 > > +#define XFS_RMAP_EXTENT_UNMAP 3 > > +#define XFS_RMAP_EXTENT_UNMAP_SHARED 4 > > +#define XFS_RMAP_EXTENT_CONVERT 5 > > +#define XFS_RMAP_EXTENT_CONVERT_SHARED 6 > > +#define XFS_RMAP_EXTENT_ALLOC 7 > > +#define XFS_RMAP_EXTENT_FREE 8 > > +#define XFS_RMAP_EXTENT_TYPE_MASK 0xFF > > I assume all of the _SHARED stuff defined here and throughout is not > used until reflink.. (not that big of a deal if it's a PITA to remove). Yep, these are for reflink. > > + > > +#define XFS_RMAP_EXTENT_ATTR_FORK (1U << 31) > > +#define XFS_RMAP_EXTENT_BMBT_BLOCK (1U << 30) > > +#define XFS_RMAP_EXTENT_UNWRITTEN (1U << 29) > > + > > +#define XFS_RMAP_EXTENT_FLAGS (XFS_RMAP_EXTENT_TYPE_MASK | \ > > + XFS_RMAP_EXTENT_ATTR_FORK | \ > > + XFS_RMAP_EXTENT_BMBT_BLOCK | \ > > + XFS_RMAP_EXTENT_UNWRITTEN) > > + > > +/* > > + * This is the structure used to lay out an rui log item in the > > + * log. The rui_extents field is a variable size array whose > > + * size is given by rui_nextents. > > + */ > > +struct xfs_rui_log_format { > > + __uint16_t rui_type; /* rui log item type */ > > + __uint16_t rui_size; /* size of this item */ > > + __uint32_t rui_nextents; /* # extents to free */ > > + __uint64_t rui_id; /* rui identifier */ > > + struct xfs_map_extent rui_extents[1]; /* array of extents to rmap */ > > +}; > > + > > +/* > > + * This is the structure used to lay out an rud log item in the > > + * log. The rud_extents array is a variable size array whose > > + * size is given by rud_nextents; > > + */ > > +struct xfs_rud_log_format { > > + __uint16_t rud_type; /* rud log item type */ > > + __uint16_t rud_size; /* size of this item */ > > + __uint32_t rud_nextents; /* # of extents freed */ > > + __uint64_t rud_rui_id; /* id of corresponding rui */ > > + struct xfs_map_extent rud_extents[1]; /* array of extents rmapped */ > > +}; > > + > > +/* > > * Dquot Log format definitions. > > * > > * The first two fields must be the type and size fitting into > ... > > diff --git a/fs/xfs/xfs_rmap_item.c b/fs/xfs/xfs_rmap_item.c > > new file mode 100644 > > index 0000000..91a3b2c > > --- /dev/null > > +++ b/fs/xfs/xfs_rmap_item.c > > @@ -0,0 +1,459 @@ > ... > > +/* > > + * Copy an RUI format buffer from the given buf, and into the destination > > + * RUI format structure. The RUI/RUD items were designed not to need any > > + * special alignment handling. > > + */ > > +int > > +xfs_rui_copy_format( > > + struct xfs_log_iovec *buf, > > + struct xfs_rui_log_format *dst_rui_fmt) > > +{ > > + struct xfs_rui_log_format *src_rui_fmt; > > + uint len; > > + > > + src_rui_fmt = buf->i_addr; > > + len = sizeof(struct xfs_rui_log_format) + > > + (src_rui_fmt->rui_nextents - 1) * > > + sizeof(struct xfs_map_extent); > > + > > + if (buf->i_len == len) { > > + memcpy((char *)dst_rui_fmt, (char *)src_rui_fmt, len); > > + return 0; > > + } > > + return -EFSCORRUPTED; > > I'd switch this around since we don't have the mess that > xfs_efi_copy_format() has to deal with. E.g., > > if (buf->i_len != len) > return -EFSCORRUPTED; > > memcpy(..); > return 0; Will do. --D > > Brian > > > +} > > + > > +/* > > + * Freeing the RUI requires that we remove it from the AIL if it has already > > + * been placed there. However, the RUI may not yet have been placed in the AIL > > + * when called by xfs_rui_release() from RUD processing due to the ordering of > > + * committed vs unpin operations in bulk insert operations. Hence the reference > > + * count to ensure only the last caller frees the RUI. > > + */ > > +void > > +xfs_rui_release( > > + struct xfs_rui_log_item *ruip) > > +{ > > + if (atomic_dec_and_test(&ruip->rui_refcount)) { > > + xfs_trans_ail_remove(&ruip->rui_item, SHUTDOWN_LOG_IO_ERROR); > > + xfs_rui_item_free(ruip); > > + } > > +} > > + > > +static inline struct xfs_rud_log_item *RUD_ITEM(struct xfs_log_item *lip) > > +{ > > + return container_of(lip, struct xfs_rud_log_item, rud_item); > > +} > > + > > +STATIC void > > +xfs_rud_item_free(struct xfs_rud_log_item *rudp) > > +{ > > + if (rudp->rud_format.rud_nextents > XFS_RUD_MAX_FAST_EXTENTS) > > + kmem_free(rudp); > > + else > > + kmem_zone_free(xfs_rud_zone, rudp); > > +} > > + > > +/* > > + * This returns the number of iovecs needed to log the given rud item. > > + * We only need 1 iovec for an rud item. It just logs the rud_log_format > > + * structure. > > + */ > > +static inline int > > +xfs_rud_item_sizeof( > > + struct xfs_rud_log_item *rudp) > > +{ > > + return sizeof(struct xfs_rud_log_format) + > > + (rudp->rud_format.rud_nextents - 1) * > > + sizeof(struct xfs_map_extent); > > +} > > + > > +STATIC void > > +xfs_rud_item_size( > > + struct xfs_log_item *lip, > > + int *nvecs, > > + int *nbytes) > > +{ > > + *nvecs += 1; > > + *nbytes += xfs_rud_item_sizeof(RUD_ITEM(lip)); > > +} > > + > > +/* > > + * This is called to fill in the vector of log iovecs for the > > + * given rud log item. We use only 1 iovec, and we point that > > + * at the rud_log_format structure embedded in the rud item. > > + * It is at this point that we assert that all of the extent > > + * slots in the rud item have been filled. > > + */ > > +STATIC void > > +xfs_rud_item_format( > > + struct xfs_log_item *lip, > > + struct xfs_log_vec *lv) > > +{ > > + struct xfs_rud_log_item *rudp = RUD_ITEM(lip); > > + struct xfs_log_iovec *vecp = NULL; > > + > > + ASSERT(rudp->rud_next_extent == rudp->rud_format.rud_nextents); > > + > > + rudp->rud_format.rud_type = XFS_LI_RUD; > > + rudp->rud_format.rud_size = 1; > > + > > + xlog_copy_iovec(lv, &vecp, XLOG_REG_TYPE_RUD_FORMAT, &rudp->rud_format, > > + xfs_rud_item_sizeof(rudp)); > > +} > > + > > +/* > > + * Pinning has no meaning for an rud item, so just return. > > + */ > > +STATIC void > > +xfs_rud_item_pin( > > + struct xfs_log_item *lip) > > +{ > > +} > > + > > +/* > > + * Since pinning has no meaning for an rud item, unpinning does > > + * not either. > > + */ > > +STATIC void > > +xfs_rud_item_unpin( > > + struct xfs_log_item *lip, > > + int remove) > > +{ > > +} > > + > > +/* > > + * There isn't much you can do to push on an rud item. It is simply stuck > > + * waiting for the log to be flushed to disk. > > + */ > > +STATIC uint > > +xfs_rud_item_push( > > + struct xfs_log_item *lip, > > + struct list_head *buffer_list) > > +{ > > + return XFS_ITEM_PINNED; > > +} > > + > > +/* > > + * The RUD is either committed or aborted if the transaction is cancelled. If > > + * the transaction is cancelled, drop our reference to the RUI and free the > > + * RUD. > > + */ > > +STATIC void > > +xfs_rud_item_unlock( > > + struct xfs_log_item *lip) > > +{ > > + struct xfs_rud_log_item *rudp = RUD_ITEM(lip); > > + > > + if (lip->li_flags & XFS_LI_ABORTED) { > > + xfs_rui_release(rudp->rud_ruip); > > + xfs_rud_item_free(rudp); > > + } > > +} > > + > > +/* > > + * When the rud item is committed to disk, all we need to do is delete our > > + * reference to our partner rui item and then free ourselves. Since we're > > + * freeing ourselves we must return -1 to keep the transaction code from > > + * further referencing this item. > > + */ > > +STATIC xfs_lsn_t > > +xfs_rud_item_committed( > > + struct xfs_log_item *lip, > > + xfs_lsn_t lsn) > > +{ > > + struct xfs_rud_log_item *rudp = RUD_ITEM(lip); > > + > > + /* > > + * Drop the RUI reference regardless of whether the RUD has been > > + * aborted. Once the RUD transaction is constructed, it is the sole > > + * responsibility of the RUD to release the RUI (even if the RUI is > > + * aborted due to log I/O error). > > + */ > > + xfs_rui_release(rudp->rud_ruip); > > + xfs_rud_item_free(rudp); > > + > > + return (xfs_lsn_t)-1; > > +} > > + > > +/* > > + * The RUD dependency tracking op doesn't do squat. It can't because > > + * it doesn't know where the free extent is coming from. The dependency > > + * tracking has to be handled by the "enclosing" metadata object. For > > + * example, for inodes, the inode is locked throughout the extent freeing > > + * so the dependency should be recorded there. > > + */ > > +STATIC void > > +xfs_rud_item_committing( > > + struct xfs_log_item *lip, > > + xfs_lsn_t lsn) > > +{ > > +} > > + > > +/* > > + * This is the ops vector shared by all rud log items. > > + */ > > +static const struct xfs_item_ops xfs_rud_item_ops = { > > + .iop_size = xfs_rud_item_size, > > + .iop_format = xfs_rud_item_format, > > + .iop_pin = xfs_rud_item_pin, > > + .iop_unpin = xfs_rud_item_unpin, > > + .iop_unlock = xfs_rud_item_unlock, > > + .iop_committed = xfs_rud_item_committed, > > + .iop_push = xfs_rud_item_push, > > + .iop_committing = xfs_rud_item_committing, > > +}; > > + > > +/* > > + * Allocate and initialize an rud item with the given number of extents. > > + */ > > +struct xfs_rud_log_item * > > +xfs_rud_init( > > + struct xfs_mount *mp, > > + struct xfs_rui_log_item *ruip, > > + uint nextents) > > + > > +{ > > + struct xfs_rud_log_item *rudp; > > + uint size; > > + > > + ASSERT(nextents > 0); > > + if (nextents > XFS_RUD_MAX_FAST_EXTENTS) { > > + size = (uint)(sizeof(struct xfs_rud_log_item) + > > + ((nextents - 1) * sizeof(struct xfs_map_extent))); > > + rudp = kmem_zalloc(size, KM_SLEEP); > > + } else { > > + rudp = kmem_zone_zalloc(xfs_rud_zone, KM_SLEEP); > > + } > > + > > + xfs_log_item_init(mp, &rudp->rud_item, XFS_LI_RUD, &xfs_rud_item_ops); > > + rudp->rud_ruip = ruip; > > + rudp->rud_format.rud_nextents = nextents; > > + rudp->rud_format.rud_rui_id = ruip->rui_format.rui_id; > > + > > + return rudp; > > +} > > diff --git a/fs/xfs/xfs_rmap_item.h b/fs/xfs/xfs_rmap_item.h > > new file mode 100644 > > index 0000000..bd36ab5 > > --- /dev/null > > +++ b/fs/xfs/xfs_rmap_item.h > > @@ -0,0 +1,100 @@ > > +/* > > + * Copyright (C) 2016 Oracle. All Rights Reserved. > > + * > > + * Author: Darrick J. Wong <darrick.wong@oracle.com> > > + * > > + * This program is free software; you can redistribute it and/or > > + * modify it under the terms of the GNU General Public License > > + * as published by the Free Software Foundation; either version 2 > > + * of the License, or (at your option) any later version. > > + * > > + * This program is distributed in the hope that it would be useful, > > + * but WITHOUT ANY WARRANTY; without even the implied warranty of > > + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the > > + * GNU General Public License for more details. > > + * > > + * You should have received a copy of the GNU General Public License > > + * along with this program; if not, write the Free Software Foundation, > > + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. > > + */ > > +#ifndef __XFS_RMAP_ITEM_H__ > > +#define __XFS_RMAP_ITEM_H__ > > + > > +/* > > + * There are (currently) three pairs of rmap btree redo item types: map, unmap, > > + * and convert. The common abbreviations for these are RUI (rmap update > > + * intent) and RUD (rmap update done). The redo item type is encoded in the > > + * flags field of each xfs_map_extent. > > + * > > + * *I items should be recorded in the *first* of a series of rolled > > + * transactions, and the *D items should be recorded in the same transaction > > + * that records the associated rmapbt updates. Typically, the first > > + * transaction will record a bmbt update, followed by some number of > > + * transactions containing rmapbt updates, and finally transactions with any > > + * bnobt/cntbt updates. > > + * > > + * Should the system crash after the commit of the first transaction but > > + * before the commit of the final transaction in a series, log recovery will > > + * use the redo information recorded by the intent items to replay the > > + * (rmapbt/bnobt/cntbt) metadata updates in the non-first transaction. > > + */ > > + > > +/* kernel only RUI/RUD definitions */ > > + > > +struct xfs_mount; > > +struct kmem_zone; > > + > > +/* > > + * Max number of extents in fast allocation path. > > + */ > > +#define XFS_RUI_MAX_FAST_EXTENTS 16 > > + > > +/* > > + * Define RUI flag bits. Manipulated by set/clear/test_bit operators. > > + */ > > +#define XFS_RUI_RECOVERED 1 > > + > > +/* > > + * This is the "rmap update intent" log item. It is used to log the fact that > > + * some reverse mappings need to change. It is used in conjunction with the > > + * "rmap update done" log item described below. > > + * > > + * These log items follow the same rules as struct xfs_efi_log_item; see the > > + * comments about that structure (in xfs_extfree_item.h) for more details. > > + */ > > +struct xfs_rui_log_item { > > + struct xfs_log_item rui_item; > > + atomic_t rui_refcount; > > + atomic_t rui_next_extent; > > + unsigned long rui_flags; /* misc flags */ > > + struct xfs_rui_log_format rui_format; > > +}; > > + > > +/* > > + * This is the "rmap update done" log item. It is used to log the fact that > > + * some rmapbt updates mentioned in an earlier rui item have been performed. > > + */ > > +struct xfs_rud_log_item { > > + struct xfs_log_item rud_item; > > + struct xfs_rui_log_item *rud_ruip; > > + uint rud_next_extent; > > + struct xfs_rud_log_format rud_format; > > +}; > > + > > +/* > > + * Max number of extents in fast allocation path. > > + */ > > +#define XFS_RUD_MAX_FAST_EXTENTS 16 > > + > > +extern struct kmem_zone *xfs_rui_zone; > > +extern struct kmem_zone *xfs_rud_zone; > > + > > +struct xfs_rui_log_item *xfs_rui_init(struct xfs_mount *, uint); > > +struct xfs_rud_log_item *xfs_rud_init(struct xfs_mount *, > > + struct xfs_rui_log_item *, uint); > > +int xfs_rui_copy_format(struct xfs_log_iovec *buf, > > + struct xfs_rui_log_format *dst_rui_fmt); > > +void xfs_rui_item_free(struct xfs_rui_log_item *); > > +void xfs_rui_release(struct xfs_rui_log_item *); > > + > > +#endif /* __XFS_RMAP_ITEM_H__ */ > > diff --git a/fs/xfs/xfs_super.c b/fs/xfs/xfs_super.c > > index 1575849..a8300e4 100644 > > --- a/fs/xfs/xfs_super.c > > +++ b/fs/xfs/xfs_super.c > > @@ -47,6 +47,7 @@ > > #include "xfs_sysfs.h" > > #include "xfs_ondisk.h" > > #include "xfs_defer.h" > > +#include "xfs_rmap_item.h" > > > > #include <linux/namei.h> > > #include <linux/init.h> > > @@ -1762,8 +1763,26 @@ xfs_init_zones(void) > > if (!xfs_icreate_zone) > > goto out_destroy_ili_zone; > > > > + xfs_rud_zone = kmem_zone_init((sizeof(struct xfs_rud_log_item) + > > + ((XFS_RUD_MAX_FAST_EXTENTS - 1) * > > + sizeof(struct xfs_map_extent))), > > + "xfs_rud_item"); > > + if (!xfs_rud_zone) > > + goto out_destroy_icreate_zone; > > + > > + xfs_rui_zone = kmem_zone_init((sizeof(struct xfs_rui_log_item) + > > + ((XFS_RUI_MAX_FAST_EXTENTS - 1) * > > + sizeof(struct xfs_map_extent))), > > + "xfs_rui_item"); > > + if (!xfs_rui_zone) > > + goto out_destroy_rud_zone; > > + > > return 0; > > > > + out_destroy_rud_zone: > > + kmem_zone_destroy(xfs_rud_zone); > > + out_destroy_icreate_zone: > > + kmem_zone_destroy(xfs_icreate_zone); > > out_destroy_ili_zone: > > kmem_zone_destroy(xfs_ili_zone); > > out_destroy_inode_zone: > > @@ -1802,6 +1821,8 @@ xfs_destroy_zones(void) > > * destroy caches. > > */ > > rcu_barrier(); > > + kmem_zone_destroy(xfs_rui_zone); > > + kmem_zone_destroy(xfs_rud_zone); > > kmem_zone_destroy(xfs_icreate_zone); > > kmem_zone_destroy(xfs_ili_zone); > > kmem_zone_destroy(xfs_inode_zone); > > > > _______________________________________________ > > xfs mailing list > > xfs@oss.sgi.com > > http://oss.sgi.com/mailman/listinfo/xfs _______________________________________________ xfs mailing list xfs@oss.sgi.com http://oss.sgi.com/mailman/listinfo/xfs
next prev parent reply other threads:[~2016-07-16 7:10 UTC|newest] Thread overview: 472+ messages / expand[flat|nested] mbox.gz Atom feed top 2016-06-17 1:17 [PATCH v6 000/119] xfs: add reverse mapping, reflink, dedupe, and online scrub support Darrick J. Wong 2016-06-17 1:17 ` Darrick J. Wong 2016-06-17 1:17 ` [PATCH 001/119] vfs: fix return type of ioctl_file_dedupe_range Darrick J. Wong 2016-06-17 1:17 ` Darrick J. Wong 2016-06-17 11:32 ` Christoph Hellwig 2016-06-17 11:32 ` Christoph Hellwig 2016-06-28 19:19 ` Darrick J. Wong 2016-06-28 19:19 ` Darrick J. Wong 2016-06-17 1:18 ` [PATCH 002/119] vfs: support FS_XFLAG_REFLINK and FS_XFLAG_COWEXTSIZE Darrick J. Wong 2016-06-17 1:18 ` Darrick J. Wong 2016-06-17 11:41 ` Christoph Hellwig 2016-06-17 11:41 ` Christoph Hellwig 2016-06-17 12:16 ` Brian Foster 2016-06-17 12:16 ` Brian Foster 2016-06-17 15:06 ` Christoph Hellwig 2016-06-17 15:06 ` Christoph Hellwig 2016-06-17 16:54 ` Darrick J. Wong 2016-06-17 16:54 ` Darrick J. Wong 2016-06-17 17:38 ` Brian Foster 2016-06-17 17:38 ` Brian Foster 2016-06-17 1:18 ` [PATCH 003/119] xfs: check offsets of variable length structures Darrick J. Wong 2016-06-17 1:18 ` Darrick J. Wong 2016-06-17 11:33 ` Christoph Hellwig 2016-06-17 11:33 ` Christoph Hellwig 2016-06-17 17:34 ` Brian Foster 2016-06-17 17:34 ` Brian Foster 2016-06-18 18:01 ` Darrick J. Wong 2016-06-18 18:01 ` Darrick J. Wong 2016-06-20 12:38 ` Brian Foster 2016-06-20 12:38 ` Brian Foster 2016-06-17 1:18 ` [PATCH 004/119] xfs: enable buffer deadlock postmortem diagnosis via ftrace Darrick J. Wong 2016-06-17 1:18 ` Darrick J. Wong 2016-06-17 11:34 ` Christoph Hellwig 2016-06-17 11:34 ` Christoph Hellwig 2016-06-21 0:47 ` Dave Chinner 2016-06-21 0:47 ` Dave Chinner 2016-06-17 1:18 ` [PATCH 005/119] xfs: check for a valid error_tag in errortag_add Darrick J. Wong 2016-06-17 1:18 ` Darrick J. Wong 2016-06-17 11:34 ` Christoph Hellwig 2016-06-17 11:34 ` Christoph Hellwig 2016-06-17 1:18 ` [PATCH 006/119] xfs: port differences from xfsprogs libxfs Darrick J. Wong 2016-06-17 1:18 ` Darrick J. Wong 2016-06-17 15:06 ` Christoph Hellwig 2016-06-20 0:21 ` Dave Chinner 2016-06-20 0:21 ` Dave Chinner 2016-07-13 23:39 ` Darrick J. Wong 2016-07-13 23:39 ` Darrick J. Wong 2016-06-17 1:18 ` [PATCH 007/119] xfs: rearrange xfs_bmap_add_free parameters Darrick J. Wong 2016-06-17 1:18 ` Darrick J. Wong 2016-06-17 11:39 ` Christoph Hellwig 2016-06-17 11:39 ` Christoph Hellwig 2016-06-17 1:18 ` [PATCH 008/119] xfs: separate freelist fixing into a separate helper Darrick J. Wong 2016-06-17 1:18 ` Darrick J. Wong 2016-06-17 11:52 ` Christoph Hellwig 2016-06-17 11:52 ` Christoph Hellwig 2016-06-21 0:48 ` Dave Chinner 2016-06-21 0:48 ` Dave Chinner 2016-06-21 1:40 ` Dave Chinner 2016-06-21 1:40 ` Dave Chinner 2016-06-17 1:18 ` [PATCH 009/119] xfs: convert list of extents to free into a regular list Darrick J. Wong 2016-06-17 1:18 ` Darrick J. Wong 2016-06-17 11:59 ` Christoph Hellwig 2016-06-17 11:59 ` Christoph Hellwig 2016-06-18 20:15 ` Darrick J. Wong 2016-06-18 20:15 ` Darrick J. Wong 2016-06-21 0:57 ` Dave Chinner 2016-06-21 0:57 ` Dave Chinner 2016-07-18 3:30 ` Eric Sandeen 2016-06-17 1:18 ` [PATCH 010/119] xfs: create a standard btree size calculator code Darrick J. Wong 2016-06-17 1:18 ` Darrick J. Wong 2016-06-20 14:31 ` Brian Foster 2016-06-20 14:31 ` Brian Foster 2016-06-20 19:34 ` Darrick J. Wong 2016-06-20 19:34 ` Darrick J. Wong 2016-06-17 1:19 ` [PATCH 011/119] xfs: refactor btree maxlevels computation Darrick J. Wong 2016-06-17 1:19 ` Darrick J. Wong 2016-06-20 14:31 ` Brian Foster 2016-06-20 14:31 ` Brian Foster 2016-06-20 18:23 ` Darrick J. Wong 2016-06-20 18:23 ` Darrick J. Wong 2016-06-17 1:19 ` [PATCH 012/119] xfs: during btree split, save new block key & ptr for future insertion Darrick J. Wong 2016-06-17 1:19 ` Darrick J. Wong 2016-06-21 13:00 ` Brian Foster 2016-06-21 13:00 ` Brian Foster 2016-06-27 22:30 ` Darrick J. Wong 2016-06-27 22:30 ` Darrick J. Wong 2016-06-28 12:31 ` Brian Foster 2016-06-28 12:31 ` Brian Foster 2016-06-17 1:19 ` [PATCH 013/119] xfs: support btrees with overlapping intervals for keys Darrick J. Wong 2016-06-17 1:19 ` Darrick J. Wong 2016-06-22 15:17 ` Brian Foster 2016-06-22 15:17 ` Brian Foster 2016-06-28 3:26 ` Darrick J. Wong 2016-06-28 3:26 ` Darrick J. Wong 2016-06-28 12:32 ` Brian Foster 2016-06-28 12:32 ` Brian Foster 2016-06-28 17:36 ` Darrick J. Wong 2016-06-28 17:36 ` Darrick J. Wong 2016-07-06 4:59 ` Dave Chinner 2016-07-06 4:59 ` Dave Chinner 2016-07-06 8:09 ` Darrick J. Wong 2016-07-06 8:09 ` Darrick J. Wong 2016-06-17 1:19 ` [PATCH 014/119] xfs: introduce interval queries on btrees Darrick J. Wong 2016-06-17 1:19 ` Darrick J. Wong 2016-06-22 15:18 ` Brian Foster 2016-06-22 15:18 ` Brian Foster 2016-06-27 21:07 ` Darrick J. Wong 2016-06-27 21:07 ` Darrick J. Wong 2016-06-28 12:32 ` Brian Foster 2016-06-28 12:32 ` Brian Foster 2016-06-28 16:29 ` Darrick J. Wong 2016-06-28 16:29 ` Darrick J. Wong 2016-06-17 1:19 ` [PATCH 015/119] xfs: refactor btree owner change into a separate visit-blocks function Darrick J. Wong 2016-06-17 1:19 ` Darrick J. Wong 2016-06-23 17:19 ` Brian Foster 2016-06-23 17:19 ` Brian Foster 2016-06-17 1:19 ` [PATCH 016/119] xfs: move deferred operations into a separate file Darrick J. Wong 2016-06-17 1:19 ` Darrick J. Wong 2016-06-27 13:14 ` Brian Foster 2016-06-27 13:14 ` Brian Foster 2016-06-27 19:14 ` Darrick J. Wong 2016-06-27 19:14 ` Darrick J. Wong 2016-06-28 12:32 ` Brian Foster 2016-06-28 12:32 ` Brian Foster 2016-06-28 18:51 ` Darrick J. Wong 2016-06-28 18:51 ` Darrick J. Wong 2016-06-17 1:19 ` [PATCH 017/119] xfs: add tracepoints for the deferred ops mechanism Darrick J. Wong 2016-06-17 1:19 ` Darrick J. Wong 2016-06-27 13:15 ` Brian Foster 2016-06-27 13:15 ` Brian Foster 2016-06-17 1:19 ` [PATCH 018/119] xfs: enable the xfs_defer mechanism to process extents to free Darrick J. Wong 2016-06-17 1:19 ` Darrick J. Wong 2016-06-27 13:15 ` Brian Foster 2016-06-27 13:15 ` Brian Foster 2016-06-27 21:41 ` Darrick J. Wong 2016-06-27 21:41 ` Darrick J. Wong 2016-06-27 22:00 ` Darrick J. Wong 2016-06-27 22:00 ` Darrick J. Wong 2016-06-28 12:32 ` Brian Foster 2016-06-28 12:32 ` Brian Foster 2016-06-28 16:33 ` Darrick J. Wong 2016-06-28 16:33 ` Darrick J. Wong 2016-06-17 1:19 ` [PATCH 019/119] xfs: rework xfs_bmap_free callers to use xfs_defer_ops Darrick J. Wong 2016-06-17 1:19 ` Darrick J. Wong 2016-06-17 1:20 ` [PATCH 020/119] xfs: change xfs_bmap_{finish, cancel, init, free} -> xfs_defer_* Darrick J. Wong 2016-06-17 1:20 ` Darrick J. Wong 2016-06-30 0:11 ` Darrick J. Wong 2016-06-30 0:11 ` Darrick J. Wong 2016-06-17 1:20 ` [PATCH 021/119] xfs: rename flist/free_list to dfops Darrick J. Wong 2016-06-17 1:20 ` Darrick J. Wong 2016-06-17 1:20 ` [PATCH 022/119] xfs: add tracepoints and error injection for deferred extent freeing Darrick J. Wong 2016-06-17 1:20 ` Darrick J. Wong 2016-06-17 1:20 ` [PATCH 023/119] xfs: introduce rmap btree definitions Darrick J. Wong 2016-06-17 1:20 ` Darrick J. Wong 2016-06-30 17:32 ` Brian Foster 2016-06-30 17:32 ` Brian Foster 2016-06-17 1:20 ` [PATCH 024/119] xfs: add rmap btree stats infrastructure Darrick J. Wong 2016-06-17 1:20 ` Darrick J. Wong 2016-06-30 17:32 ` Brian Foster 2016-06-30 17:32 ` Brian Foster 2016-06-17 1:20 ` [PATCH 025/119] xfs: rmap btree add more reserved blocks Darrick J. Wong 2016-06-17 1:20 ` Darrick J. Wong 2016-06-30 17:32 ` Brian Foster 2016-06-30 17:32 ` Brian Foster 2016-06-17 1:20 ` [PATCH 026/119] xfs: add owner field to extent allocation and freeing Darrick J. Wong 2016-06-17 1:20 ` Darrick J. Wong 2016-07-06 4:01 ` Dave Chinner 2016-07-06 4:01 ` Dave Chinner 2016-07-06 6:44 ` Darrick J. Wong 2016-07-06 6:44 ` Darrick J. Wong 2016-07-07 15:12 ` Brian Foster 2016-07-07 15:12 ` Brian Foster 2016-07-07 19:09 ` Darrick J. Wong 2016-07-07 19:09 ` Darrick J. Wong 2016-07-07 22:55 ` Dave Chinner 2016-07-07 22:55 ` Dave Chinner 2016-07-08 11:37 ` Brian Foster 2016-07-08 11:37 ` Brian Foster 2016-06-17 1:20 ` [PATCH 027/119] xfs: introduce rmap extent operation stubs Darrick J. Wong 2016-06-17 1:20 ` Darrick J. Wong 2016-06-17 1:20 ` [PATCH 028/119] xfs: define the on-disk rmap btree format Darrick J. Wong 2016-06-17 1:20 ` Darrick J. Wong 2016-07-06 4:05 ` Dave Chinner 2016-07-06 4:05 ` Dave Chinner 2016-07-06 6:44 ` Darrick J. Wong 2016-07-06 6:44 ` Darrick J. Wong 2016-07-07 18:41 ` Brian Foster 2016-07-07 18:41 ` Brian Foster 2016-07-07 19:18 ` Darrick J. Wong 2016-07-07 19:18 ` Darrick J. Wong 2016-07-07 23:14 ` Dave Chinner 2016-07-07 23:14 ` Dave Chinner 2016-07-07 23:58 ` Darrick J. Wong 2016-07-07 23:58 ` Darrick J. Wong 2016-06-17 1:20 ` [PATCH 029/119] xfs: add rmap btree growfs support Darrick J. Wong 2016-06-17 1:20 ` Darrick J. Wong 2016-06-17 1:21 ` [PATCH 030/119] xfs: rmap btree transaction reservations Darrick J. Wong 2016-06-17 1:21 ` Darrick J. Wong 2016-07-08 13:21 ` Brian Foster 2016-07-08 13:21 ` Brian Foster 2016-06-17 1:21 ` [PATCH 031/119] xfs: rmap btree requires more reserved free space Darrick J. Wong 2016-06-17 1:21 ` Darrick J. Wong 2016-07-08 13:21 ` Brian Foster 2016-07-08 13:21 ` Brian Foster 2016-07-13 16:50 ` Darrick J. Wong 2016-07-13 16:50 ` Darrick J. Wong 2016-07-13 18:32 ` Brian Foster 2016-07-13 18:32 ` Brian Foster 2016-07-13 23:50 ` Dave Chinner 2016-07-13 23:50 ` Dave Chinner 2016-06-17 1:21 ` [PATCH 032/119] xfs: add rmap btree operations Darrick J. Wong 2016-06-17 1:21 ` Darrick J. Wong 2016-07-08 18:33 ` Brian Foster 2016-07-08 18:33 ` Brian Foster 2016-07-08 23:53 ` Darrick J. Wong 2016-07-08 23:53 ` Darrick J. Wong 2016-06-17 1:21 ` [PATCH 033/119] xfs: support overlapping intervals in the rmap btree Darrick J. Wong 2016-06-17 1:21 ` Darrick J. Wong 2016-07-08 18:33 ` Brian Foster 2016-07-08 18:33 ` Brian Foster 2016-07-09 0:14 ` Darrick J. Wong 2016-07-09 0:14 ` Darrick J. Wong 2016-07-09 13:25 ` Brian Foster 2016-07-09 13:25 ` Brian Foster 2016-06-17 1:21 ` [PATCH 034/119] xfs: teach rmapbt to support interval queries Darrick J. Wong 2016-06-17 1:21 ` Darrick J. Wong 2016-07-08 18:34 ` Brian Foster 2016-07-08 18:34 ` Brian Foster 2016-07-09 0:16 ` Darrick J. Wong 2016-07-09 0:16 ` Darrick J. Wong 2016-07-09 13:25 ` Brian Foster 2016-07-09 13:25 ` Brian Foster 2016-06-17 1:21 ` [PATCH 035/119] xfs: add tracepoints for the rmap functions Darrick J. Wong 2016-06-17 1:21 ` Darrick J. Wong 2016-07-08 18:34 ` Brian Foster 2016-07-08 18:34 ` Brian Foster 2016-06-17 1:21 ` [PATCH 036/119] xfs: add an extent to the rmap btree Darrick J. Wong 2016-06-17 1:21 ` Darrick J. Wong 2016-07-11 18:49 ` Brian Foster 2016-07-11 18:49 ` Brian Foster 2016-07-11 23:01 ` Darrick J. Wong 2016-07-11 23:01 ` Darrick J. Wong 2016-06-17 1:21 ` [PATCH 037/119] xfs: remove an extent from " Darrick J. Wong 2016-06-17 1:21 ` Darrick J. Wong 2016-07-11 18:49 ` Brian Foster 2016-07-11 18:49 ` Brian Foster 2016-06-17 1:21 ` [PATCH 038/119] xfs: convert unwritten status of reverse mappings Darrick J. Wong 2016-06-17 1:21 ` Darrick J. Wong 2016-06-30 0:15 ` Darrick J. Wong 2016-06-30 0:15 ` Darrick J. Wong 2016-07-13 18:27 ` Brian Foster 2016-07-13 18:27 ` Brian Foster 2016-07-13 20:43 ` Darrick J. Wong 2016-07-13 20:43 ` Darrick J. Wong 2016-06-17 1:22 ` [PATCH 039/119] xfs: add rmap btree insert and delete helpers Darrick J. Wong 2016-06-17 1:22 ` Darrick J. Wong 2016-07-13 18:28 ` Brian Foster 2016-07-13 18:28 ` Brian Foster 2016-07-13 18:37 ` Darrick J. Wong 2016-07-13 18:37 ` Darrick J. Wong 2016-07-13 18:42 ` Brian Foster 2016-07-13 18:42 ` Brian Foster 2016-06-17 1:22 ` [PATCH 040/119] xfs: create helpers for mapping, unmapping, and converting file fork extents Darrick J. Wong 2016-06-17 1:22 ` Darrick J. Wong 2016-07-13 18:28 ` Brian Foster 2016-07-13 18:28 ` Brian Foster 2016-07-13 18:47 ` Darrick J. Wong 2016-07-13 18:47 ` Darrick J. Wong 2016-07-13 23:54 ` Dave Chinner 2016-07-13 23:54 ` Dave Chinner 2016-07-13 23:55 ` Darrick J. Wong 2016-07-13 23:55 ` Darrick J. Wong 2016-06-17 1:22 ` [PATCH 041/119] xfs: create rmap update intent log items Darrick J. Wong 2016-06-17 1:22 ` Darrick J. Wong 2016-07-15 18:33 ` Brian Foster 2016-07-15 18:33 ` Brian Foster 2016-07-16 7:10 ` Darrick J. Wong [this message] 2016-07-16 7:10 ` Darrick J. Wong 2016-06-17 1:22 ` [PATCH 042/119] xfs: log rmap intent items Darrick J. Wong 2016-06-17 1:22 ` Darrick J. Wong 2016-07-15 18:33 ` Brian Foster 2016-07-15 18:33 ` Brian Foster 2016-07-16 7:34 ` Darrick J. Wong 2016-07-16 7:34 ` Darrick J. Wong 2016-07-18 12:55 ` Brian Foster 2016-07-18 12:55 ` Brian Foster 2016-07-19 17:10 ` Darrick J. Wong 2016-07-19 17:10 ` Darrick J. Wong 2016-06-17 1:22 ` [PATCH 043/119] xfs: enable the xfs_defer mechanism to process rmaps to update Darrick J. Wong 2016-06-17 1:22 ` Darrick J. Wong 2016-07-15 18:33 ` Brian Foster 2016-07-15 18:33 ` Brian Foster 2016-06-17 1:22 ` [PATCH 044/119] xfs: propagate bmap updates to rmapbt Darrick J. Wong 2016-06-17 1:22 ` Darrick J. Wong 2016-07-15 18:33 ` Brian Foster 2016-07-15 18:33 ` Brian Foster 2016-07-16 7:26 ` Darrick J. Wong 2016-07-16 7:26 ` Darrick J. Wong 2016-07-18 1:21 ` Dave Chinner 2016-07-18 1:21 ` Dave Chinner 2016-07-18 12:56 ` Brian Foster 2016-07-18 12:56 ` Brian Foster 2016-07-18 12:55 ` Brian Foster 2016-07-18 12:55 ` Brian Foster 2016-07-19 1:53 ` Darrick J. Wong 2016-07-19 1:53 ` Darrick J. Wong 2016-07-19 11:37 ` Brian Foster 2016-07-19 11:37 ` Brian Foster 2016-06-17 1:22 ` [PATCH 045/119] xfs: add rmap btree geometry feature flag Darrick J. Wong 2016-06-17 1:22 ` Darrick J. Wong 2016-07-18 13:34 ` Brian Foster 2016-07-18 13:34 ` Brian Foster 2016-06-17 1:22 ` [PATCH 046/119] xfs: add rmap btree block detection to log recovery Darrick J. Wong 2016-06-17 1:22 ` Darrick J. Wong 2016-07-18 13:34 ` Brian Foster 2016-07-18 13:34 ` Brian Foster 2016-06-17 1:22 ` [PATCH 047/119] xfs: disable XFS_IOC_SWAPEXT when rmap btree is enabled Darrick J. Wong 2016-06-17 1:22 ` Darrick J. Wong 2016-07-18 13:34 ` Brian Foster 2016-07-18 13:34 ` Brian Foster 2016-07-18 16:18 ` Darrick J. Wong 2016-07-18 16:18 ` Darrick J. Wong 2016-06-17 1:22 ` [PATCH 048/119] xfs: don't update rmapbt when fixing agfl Darrick J. Wong 2016-06-17 1:22 ` Darrick J. Wong 2016-07-18 13:34 ` Brian Foster 2016-07-18 13:34 ` Brian Foster 2016-07-18 15:53 ` Darrick J. Wong 2016-07-18 15:53 ` Darrick J. Wong 2016-06-17 1:23 ` [PATCH 049/119] xfs: enable the rmap btree functionality Darrick J. Wong 2016-06-17 1:23 ` Darrick J. Wong 2016-07-18 13:34 ` Brian Foster 2016-07-18 13:34 ` Brian Foster 2016-06-17 1:23 ` [PATCH 050/119] xfs: count the blocks in a btree Darrick J. Wong 2016-06-17 1:23 ` Darrick J. Wong 2016-06-17 1:23 ` [PATCH 051/119] xfs: introduce tracepoints for AG reservation code Darrick J. Wong 2016-06-17 1:23 ` Darrick J. Wong 2016-06-17 1:23 ` [PATCH 052/119] xfs: set up per-AG free space reservations Darrick J. Wong 2016-06-17 1:23 ` Darrick J. Wong 2016-06-17 1:23 ` [PATCH 053/119] xfs: define tracepoints for refcount btree activities Darrick J. Wong 2016-06-17 1:23 ` Darrick J. Wong 2016-06-17 1:23 ` [PATCH 054/119] xfs: introduce refcount btree definitions Darrick J. Wong 2016-06-17 1:23 ` Darrick J. Wong 2016-06-17 1:23 ` [PATCH 055/119] xfs: add refcount btree stats infrastructure Darrick J. Wong 2016-06-17 1:23 ` Darrick J. Wong 2016-06-17 1:23 ` [PATCH 056/119] xfs: refcount btree add more reserved blocks Darrick J. Wong 2016-06-17 1:23 ` Darrick J. Wong 2016-06-17 1:23 ` [PATCH 057/119] xfs: define the on-disk refcount btree format Darrick J. Wong 2016-06-17 1:23 ` Darrick J. Wong 2016-06-17 1:24 ` [PATCH 058/119] xfs: add refcount btree support to growfs Darrick J. Wong 2016-06-17 1:24 ` Darrick J. Wong 2016-06-17 1:24 ` [PATCH 059/119] xfs: account for the refcount btree in the alloc/free log reservation Darrick J. Wong 2016-06-17 1:24 ` Darrick J. Wong 2016-06-17 1:24 ` [PATCH 060/119] xfs: add refcount btree operations Darrick J. Wong 2016-06-17 1:24 ` Darrick J. Wong 2016-06-17 1:24 ` [PATCH 061/119] xfs: create refcount update intent log items Darrick J. Wong 2016-06-17 1:24 ` Darrick J. Wong 2016-06-17 1:24 ` [PATCH 062/119] xfs: log refcount intent items Darrick J. Wong 2016-06-17 1:24 ` Darrick J. Wong 2016-06-17 1:24 ` [PATCH 063/119] xfs: adjust refcount of an extent of blocks in refcount btree Darrick J. Wong 2016-06-17 1:24 ` Darrick J. Wong 2016-06-17 1:24 ` [PATCH 064/119] xfs: connect refcount adjust functions to upper layers Darrick J. Wong 2016-06-17 1:24 ` Darrick J. Wong 2016-06-17 1:24 ` [PATCH 065/119] xfs: adjust refcount when unmapping file blocks Darrick J. Wong 2016-06-17 1:24 ` Darrick J. Wong 2016-06-17 1:24 ` [PATCH 066/119] xfs: add refcount btree block detection to log recovery Darrick J. Wong 2016-06-17 1:24 ` Darrick J. Wong 2016-06-17 1:25 ` [PATCH 067/119] xfs: refcount btree requires more reserved space Darrick J. Wong 2016-06-17 1:25 ` Darrick J. Wong 2016-06-17 1:25 ` [PATCH 068/119] xfs: introduce reflink utility functions Darrick J. Wong 2016-06-17 1:25 ` Darrick J. Wong 2016-06-17 1:25 ` [PATCH 069/119] xfs: create bmbt update intent log items Darrick J. Wong 2016-06-17 1:25 ` Darrick J. Wong 2016-06-17 1:25 ` [PATCH 070/119] xfs: log bmap intent items Darrick J. Wong 2016-06-17 1:25 ` Darrick J. Wong 2016-06-17 1:25 ` [PATCH 071/119] xfs: map an inode's offset to an exact physical block Darrick J. Wong 2016-06-17 1:25 ` Darrick J. Wong 2016-06-17 1:25 ` [PATCH 072/119] xfs: implement deferred bmbt map/unmap operations Darrick J. Wong 2016-06-17 1:25 ` Darrick J. Wong 2016-06-17 1:25 ` [PATCH 073/119] xfs: return work remaining at the end of a bunmapi operation Darrick J. Wong 2016-06-17 1:25 ` Darrick J. Wong 2016-06-17 1:25 ` [PATCH 074/119] xfs: define tracepoints for reflink activities Darrick J. Wong 2016-06-17 1:25 ` Darrick J. Wong 2016-06-17 1:25 ` [PATCH 075/119] xfs: add reflink feature flag to geometry Darrick J. Wong 2016-06-17 1:25 ` Darrick J. Wong 2016-06-17 1:25 ` [PATCH 076/119] xfs: don't allow reflinked dir/dev/fifo/socket/pipe files Darrick J. Wong 2016-06-17 1:25 ` Darrick J. Wong 2016-06-17 1:26 ` [PATCH 077/119] xfs: introduce the CoW fork Darrick J. Wong 2016-06-17 1:26 ` Darrick J. Wong 2016-06-17 1:26 ` [PATCH 078/119] xfs: support bmapping delalloc extents in " Darrick J. Wong 2016-06-17 1:26 ` Darrick J. Wong 2016-06-17 1:26 ` [PATCH 079/119] xfs: create delalloc extents in " Darrick J. Wong 2016-06-17 1:26 ` Darrick J. Wong 2016-06-17 1:26 ` [PATCH 080/119] xfs: support allocating delayed " Darrick J. Wong 2016-06-17 1:26 ` Darrick J. Wong 2016-06-17 1:26 ` [PATCH 081/119] xfs: allocate " Darrick J. Wong 2016-06-17 1:26 ` Darrick J. Wong 2016-06-17 1:26 ` [PATCH 082/119] xfs: support removing extents from " Darrick J. Wong 2016-06-17 1:26 ` Darrick J. Wong 2016-06-17 1:26 ` [PATCH 083/119] xfs: move mappings from cow fork to data fork after copy-write Darrick J. Wong 2016-06-17 1:26 ` Darrick J. Wong 2016-06-17 1:26 ` [PATCH 084/119] xfs: implement CoW for directio writes Darrick J. Wong 2016-06-17 1:26 ` Darrick J. Wong 2016-06-17 1:26 ` [PATCH 085/119] xfs: copy-on-write reflinked blocks when zeroing ranges of blocks Darrick J. Wong 2016-06-17 1:26 ` Darrick J. Wong 2016-06-17 1:27 ` [PATCH 086/119] xfs: cancel CoW reservations and clear inode reflink flag when freeing blocks Darrick J. Wong 2016-06-17 1:27 ` Darrick J. Wong 2016-06-17 1:27 ` [PATCH 087/119] xfs: cancel pending CoW reservations when destroying inodes Darrick J. Wong 2016-06-17 1:27 ` Darrick J. Wong 2016-06-17 1:27 ` [PATCH 088/119] xfs: store in-progress CoW allocations in the refcount btree Darrick J. Wong 2016-06-17 1:27 ` Darrick J. Wong 2016-06-17 1:27 ` [PATCH 089/119] xfs: reflink extents from one file to another Darrick J. Wong 2016-06-17 1:27 ` Darrick J. Wong 2016-06-17 1:27 ` [PATCH 090/119] xfs: add clone file and clone range vfs functions Darrick J. Wong 2016-06-17 1:27 ` Darrick J. Wong 2016-06-17 1:27 ` [PATCH 091/119] xfs: add dedupe range vfs function Darrick J. Wong 2016-06-17 1:27 ` Darrick J. Wong 2016-06-17 1:27 ` [PATCH 092/119] xfs: teach get_bmapx and fiemap about shared extents and the CoW fork Darrick J. Wong 2016-06-17 1:27 ` Darrick J. Wong 2016-06-17 1:27 ` [PATCH 093/119] xfs: swap inode reflink flags when swapping inode extents Darrick J. Wong 2016-06-17 1:27 ` Darrick J. Wong 2016-06-17 1:27 ` [PATCH 094/119] xfs: unshare a range of blocks via fallocate Darrick J. Wong 2016-06-17 1:27 ` Darrick J. Wong 2016-06-17 1:28 ` [PATCH 095/119] xfs: CoW shared EOF block when truncating file Darrick J. Wong 2016-06-17 1:28 ` Darrick J. Wong 2016-06-17 1:28 ` [PATCH 096/119] xfs: support FS_XFLAG_REFLINK on reflink filesystems Darrick J. Wong 2016-06-17 1:28 ` Darrick J. Wong 2016-06-17 1:28 ` [PATCH 097/119] xfs: create a separate cow extent size hint for the allocator Darrick J. Wong 2016-06-17 1:28 ` Darrick J. Wong 2016-06-17 1:28 ` [PATCH 098/119] xfs: preallocate blocks for worst-case btree expansion Darrick J. Wong 2016-06-17 1:28 ` Darrick J. Wong 2016-06-17 1:28 ` [PATCH 099/119] xfs: don't allow reflink when the AG is low on space Darrick J. Wong 2016-06-17 1:28 ` Darrick J. Wong 2016-06-17 1:28 ` [PATCH 100/119] xfs: try other AGs to allocate a BMBT block Darrick J. Wong 2016-06-17 1:28 ` Darrick J. Wong 2016-06-17 1:28 ` [PATCH 101/119] xfs: promote buffered writes to CoW when cowextsz is set Darrick J. Wong 2016-06-17 1:28 ` Darrick J. Wong 2016-06-17 1:28 ` [PATCH 102/119] xfs: garbage collect old cowextsz reservations Darrick J. Wong 2016-06-17 1:28 ` Darrick J. Wong 2016-06-17 1:28 ` [PATCH 103/119] xfs: provide switch to force filesystem to copy-on-write all the time Darrick J. Wong 2016-06-17 1:28 ` Darrick J. Wong 2016-06-17 1:29 ` [PATCH 104/119] xfs: increase log reservations for reflink Darrick J. Wong 2016-06-17 1:29 ` Darrick J. Wong 2016-06-17 1:29 ` [PATCH 105/119] xfs: use interval query for rmap alloc operations on shared files Darrick J. Wong 2016-06-17 1:29 ` Darrick J. Wong 2016-06-17 1:29 ` [PATCH 106/119] xfs: convert unwritten status of reverse mappings for " Darrick J. Wong 2016-06-17 1:29 ` Darrick J. Wong 2016-06-17 1:29 ` [PATCH 107/119] xfs: set a default CoW extent size of 32 blocks Darrick J. Wong 2016-06-17 1:29 ` Darrick J. Wong 2016-06-17 1:29 ` [PATCH 108/119] xfs: don't allow realtime and reflinked files to mix Darrick J. Wong 2016-06-17 1:29 ` Darrick J. Wong 2016-06-17 1:29 ` [PATCH 109/119] xfs: don't mix reflink and DAX mode for now Darrick J. Wong 2016-06-17 1:29 ` Darrick J. Wong 2016-06-17 1:29 ` [PATCH 110/119] xfs: fail ->bmap for reflink inodes Darrick J. Wong 2016-06-17 1:29 ` Darrick J. Wong 2016-06-17 1:29 ` [PATCH 111/119] xfs: recognize the reflink feature bit Darrick J. Wong 2016-06-17 1:29 ` Darrick J. Wong 2016-06-17 1:29 ` [PATCH 112/119] xfs: introduce the XFS_IOC_GETFSMAPX ioctl Darrick J. Wong 2016-06-17 1:29 ` Darrick J. Wong 2016-06-17 1:30 ` [PATCH 113/119] xfs: scrub btree records and pointers while querying Darrick J. Wong 2016-06-17 1:30 ` Darrick J. Wong 2016-06-17 1:30 ` [PATCH 114/119] xfs: create sysfs hooks to scrub various files Darrick J. Wong 2016-06-17 1:30 ` Darrick J. Wong 2016-06-17 1:30 ` [PATCH 115/119] xfs: support scrubbing free space btrees Darrick J. Wong 2016-06-17 1:30 ` Darrick J. Wong 2016-06-17 1:30 ` [PATCH 116/119] xfs: support scrubbing inode btrees Darrick J. Wong 2016-06-17 1:30 ` Darrick J. Wong 2016-06-17 1:30 ` [PATCH 117/119] xfs: support scrubbing rmap btree Darrick J. Wong 2016-06-17 1:30 ` Darrick J. Wong 2016-06-17 1:30 ` [PATCH 118/119] xfs: support scrubbing refcount btree Darrick J. Wong 2016-06-17 1:30 ` Darrick J. Wong 2016-06-17 1:30 ` [PATCH 119/119] xfs: add btree scrub tracepoints Darrick J. Wong 2016-06-17 1:30 ` Darrick J. Wong
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