From: "Darrick J. Wong" <darrick.wong@oracle.com> To: david@fromorbit.com, darrick.wong@oracle.com Cc: linux-fsdevel@vger.kernel.org, xfs@oss.sgi.com Subject: [PATCH 11/58] xfs: enhance the on-disk rmap btree format Date: Tue, 06 Oct 2015 21:55:59 -0700 [thread overview] Message-ID: <20151007045559.30457.47862.stgit@birch.djwong.org> (raw) In-Reply-To: <20151007045443.30457.47038.stgit@birch.djwong.org> Expand the rmap btree to record owner and offset info. Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> --- fs/xfs/libxfs/xfs_format.h | 68 ++++++++++++++++++++++++++++++++++++++++ fs/xfs/libxfs/xfs_rmap_btree.c | 2 + 2 files changed, 69 insertions(+), 1 deletion(-) diff --git a/fs/xfs/libxfs/xfs_format.h b/fs/xfs/libxfs/xfs_format.h index ff24083..f0cf383 100644 --- a/fs/xfs/libxfs/xfs_format.h +++ b/fs/xfs/libxfs/xfs_format.h @@ -1369,6 +1369,8 @@ XFS_RMAP_INO_OWNER( #define XFS_RMAP_OWN_INODES (-7ULL) /* Inode chunk */ #define XFS_RMAP_OWN_MIN (-8ULL) /* guard */ +#define XFS_RMAP_NON_INODE_OWNER(owner) (!!((owner) & (1ULL << 63))) + /* * Data record structure */ @@ -1376,12 +1378,44 @@ struct xfs_rmap_rec { __be32 rm_startblock; /* extent start block */ __be32 rm_blockcount; /* extent length */ __be64 rm_owner; /* extent owner */ + __be64 rm_offset; /* offset within the owner */ }; +/* + * rmap btree record + * rm_blockcount:31 is the unwritten extent flag (same as l0:63 in bmbt) + * rm_blockcount:0-30 are the extent length + * rm_offset:63 is the attribute fork flag + * rm_offset:62 is the bmbt block flag + * rm_offset:0-61 is the block offset within the inode + */ +#define XFS_RMAP_OFF_ATTR ((__uint64_t)1ULL << 63) +#define XFS_RMAP_OFF_BMBT ((__uint64_t)1ULL << 62) +#define XFS_RMAP_LEN_UNWRITTEN ((xfs_extlen_t)1U << 31) + +#define XFS_RMAP_OFF_MASK ~(XFS_RMAP_OFF_ATTR | XFS_RMAP_OFF_BMBT) +#define XFS_RMAP_LEN_MASK ~XFS_RMAP_LEN_UNWRITTEN + +#define XFS_RMAP_OFF(off) ((off) & XFS_RMAP_OFF_MASK) +#define XFS_RMAP_LEN(len) ((len) & XFS_RMAP_LEN_MASK) + +#define XFS_RMAP_IS_BMBT(off) (!!((off) & XFS_RMAP_OFF_BMBT)) +#define XFS_RMAP_IS_ATTR_FORK(off) (!!((off) & XFS_RMAP_OFF_ATTR)) +#define XFS_RMAP_IS_UNWRITTEN(len) (!!((len) & XFS_RMAP_LEN_UNWRITTEN)) + +#define RMAPBT_STARTBLOCK_BITLEN 32 +#define RMAPBT_EXNTFLAG_BITLEN 1 +#define RMAPBT_BLOCKCOUNT_BITLEN 31 +#define RMAPBT_OWNER_BITLEN 64 +#define RMAPBT_ATTRFLAG_BITLEN 1 +#define RMAPBT_BMBTFLAG_BITLEN 1 +#define RMAPBT_OFFSET_BITLEN 62 + struct xfs_rmap_irec { xfs_agblock_t rm_startblock; /* extent start block */ xfs_extlen_t rm_blockcount; /* extent length */ __uint64_t rm_owner; /* extent owner */ + __uint64_t rm_offset; /* offset within the owner */ }; /* @@ -1391,6 +1425,8 @@ struct xfs_rmap_irec { */ struct xfs_rmap_key { __be32 rm_startblock; /* extent start block */ + __be64 rm_owner; /* extent owner */ + __be64 rm_offset; /* offset within the owner */ }; /* btree pointer type */ @@ -1401,6 +1437,38 @@ typedef __be32 xfs_rmap_ptr_t; XFS_FIBT_BLOCK(mp) + 1 : \ XFS_IBT_BLOCK(mp) + 1) +static inline void +xfs_owner_info_unpack( + struct xfs_owner_info *oinfo, + uint64_t *owner, + uint64_t *offset) +{ + __uint64_t r; + + *owner = oinfo->oi_owner; + r = oinfo->oi_offset; + if (oinfo->oi_flags & XFS_RMAP_INO_ATTR_FORK) + r |= XFS_RMAP_OFF_ATTR; + if (oinfo->oi_flags & XFS_RMAP_BMBT_BLOCK) + r |= XFS_RMAP_OFF_BMBT; + *offset = r; +} + +static inline void +xfs_owner_info_pack( + struct xfs_owner_info *oinfo, + uint64_t owner, + uint64_t offset) +{ + oinfo->oi_owner = owner; + oinfo->oi_offset = XFS_RMAP_OFF(offset); + oinfo->oi_flags = 0; + if (XFS_RMAP_IS_ATTR_FORK(offset)) + oinfo->oi_flags |= XFS_RMAP_INO_ATTR_FORK; + if (XFS_RMAP_IS_BMBT(offset)) + oinfo->oi_flags |= XFS_RMAP_BMBT_BLOCK; +} + /* * BMAP Btree format definitions * diff --git a/fs/xfs/libxfs/xfs_rmap_btree.c b/fs/xfs/libxfs/xfs_rmap_btree.c index 9a02699..5671771 100644 --- a/fs/xfs/libxfs/xfs_rmap_btree.c +++ b/fs/xfs/libxfs/xfs_rmap_btree.c @@ -63,7 +63,7 @@ xfs_rmapbt_verify( * from the on disk AGF. Again, we can only check against maximum limits * in this case. */ - if (block->bb_magic!= cpu_to_be32(XFS_RMAP_CRC_MAGIC)) + if (block->bb_magic != cpu_to_be32(XFS_RMAP_CRC_MAGIC)) return false; if (!xfs_sb_version_hasrmapbt(&mp->m_sb))
WARNING: multiple messages have this Message-ID (diff)
From: "Darrick J. Wong" <darrick.wong@oracle.com> To: david@fromorbit.com, darrick.wong@oracle.com Cc: linux-fsdevel@vger.kernel.org, xfs@oss.sgi.com Subject: [PATCH 11/58] xfs: enhance the on-disk rmap btree format Date: Tue, 06 Oct 2015 21:55:59 -0700 [thread overview] Message-ID: <20151007045559.30457.47862.stgit@birch.djwong.org> (raw) In-Reply-To: <20151007045443.30457.47038.stgit@birch.djwong.org> Expand the rmap btree to record owner and offset info. Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> --- fs/xfs/libxfs/xfs_format.h | 68 ++++++++++++++++++++++++++++++++++++++++ fs/xfs/libxfs/xfs_rmap_btree.c | 2 + 2 files changed, 69 insertions(+), 1 deletion(-) diff --git a/fs/xfs/libxfs/xfs_format.h b/fs/xfs/libxfs/xfs_format.h index ff24083..f0cf383 100644 --- a/fs/xfs/libxfs/xfs_format.h +++ b/fs/xfs/libxfs/xfs_format.h @@ -1369,6 +1369,8 @@ XFS_RMAP_INO_OWNER( #define XFS_RMAP_OWN_INODES (-7ULL) /* Inode chunk */ #define XFS_RMAP_OWN_MIN (-8ULL) /* guard */ +#define XFS_RMAP_NON_INODE_OWNER(owner) (!!((owner) & (1ULL << 63))) + /* * Data record structure */ @@ -1376,12 +1378,44 @@ struct xfs_rmap_rec { __be32 rm_startblock; /* extent start block */ __be32 rm_blockcount; /* extent length */ __be64 rm_owner; /* extent owner */ + __be64 rm_offset; /* offset within the owner */ }; +/* + * rmap btree record + * rm_blockcount:31 is the unwritten extent flag (same as l0:63 in bmbt) + * rm_blockcount:0-30 are the extent length + * rm_offset:63 is the attribute fork flag + * rm_offset:62 is the bmbt block flag + * rm_offset:0-61 is the block offset within the inode + */ +#define XFS_RMAP_OFF_ATTR ((__uint64_t)1ULL << 63) +#define XFS_RMAP_OFF_BMBT ((__uint64_t)1ULL << 62) +#define XFS_RMAP_LEN_UNWRITTEN ((xfs_extlen_t)1U << 31) + +#define XFS_RMAP_OFF_MASK ~(XFS_RMAP_OFF_ATTR | XFS_RMAP_OFF_BMBT) +#define XFS_RMAP_LEN_MASK ~XFS_RMAP_LEN_UNWRITTEN + +#define XFS_RMAP_OFF(off) ((off) & XFS_RMAP_OFF_MASK) +#define XFS_RMAP_LEN(len) ((len) & XFS_RMAP_LEN_MASK) + +#define XFS_RMAP_IS_BMBT(off) (!!((off) & XFS_RMAP_OFF_BMBT)) +#define XFS_RMAP_IS_ATTR_FORK(off) (!!((off) & XFS_RMAP_OFF_ATTR)) +#define XFS_RMAP_IS_UNWRITTEN(len) (!!((len) & XFS_RMAP_LEN_UNWRITTEN)) + +#define RMAPBT_STARTBLOCK_BITLEN 32 +#define RMAPBT_EXNTFLAG_BITLEN 1 +#define RMAPBT_BLOCKCOUNT_BITLEN 31 +#define RMAPBT_OWNER_BITLEN 64 +#define RMAPBT_ATTRFLAG_BITLEN 1 +#define RMAPBT_BMBTFLAG_BITLEN 1 +#define RMAPBT_OFFSET_BITLEN 62 + struct xfs_rmap_irec { xfs_agblock_t rm_startblock; /* extent start block */ xfs_extlen_t rm_blockcount; /* extent length */ __uint64_t rm_owner; /* extent owner */ + __uint64_t rm_offset; /* offset within the owner */ }; /* @@ -1391,6 +1425,8 @@ struct xfs_rmap_irec { */ struct xfs_rmap_key { __be32 rm_startblock; /* extent start block */ + __be64 rm_owner; /* extent owner */ + __be64 rm_offset; /* offset within the owner */ }; /* btree pointer type */ @@ -1401,6 +1437,38 @@ typedef __be32 xfs_rmap_ptr_t; XFS_FIBT_BLOCK(mp) + 1 : \ XFS_IBT_BLOCK(mp) + 1) +static inline void +xfs_owner_info_unpack( + struct xfs_owner_info *oinfo, + uint64_t *owner, + uint64_t *offset) +{ + __uint64_t r; + + *owner = oinfo->oi_owner; + r = oinfo->oi_offset; + if (oinfo->oi_flags & XFS_RMAP_INO_ATTR_FORK) + r |= XFS_RMAP_OFF_ATTR; + if (oinfo->oi_flags & XFS_RMAP_BMBT_BLOCK) + r |= XFS_RMAP_OFF_BMBT; + *offset = r; +} + +static inline void +xfs_owner_info_pack( + struct xfs_owner_info *oinfo, + uint64_t owner, + uint64_t offset) +{ + oinfo->oi_owner = owner; + oinfo->oi_offset = XFS_RMAP_OFF(offset); + oinfo->oi_flags = 0; + if (XFS_RMAP_IS_ATTR_FORK(offset)) + oinfo->oi_flags |= XFS_RMAP_INO_ATTR_FORK; + if (XFS_RMAP_IS_BMBT(offset)) + oinfo->oi_flags |= XFS_RMAP_BMBT_BLOCK; +} + /* * BMAP Btree format definitions * diff --git a/fs/xfs/libxfs/xfs_rmap_btree.c b/fs/xfs/libxfs/xfs_rmap_btree.c index 9a02699..5671771 100644 --- a/fs/xfs/libxfs/xfs_rmap_btree.c +++ b/fs/xfs/libxfs/xfs_rmap_btree.c @@ -63,7 +63,7 @@ xfs_rmapbt_verify( * from the on disk AGF. Again, we can only check against maximum limits * in this case. */ - if (block->bb_magic!= cpu_to_be32(XFS_RMAP_CRC_MAGIC)) + if (block->bb_magic != cpu_to_be32(XFS_RMAP_CRC_MAGIC)) return false; if (!xfs_sb_version_hasrmapbt(&mp->m_sb)) _______________________________________________ xfs mailing list xfs@oss.sgi.com http://oss.sgi.com/mailman/listinfo/xfs
next prev parent reply other threads:[~2015-10-07 4:56 UTC|newest] Thread overview: 131+ messages / expand[flat|nested] mbox.gz Atom feed top 2015-10-07 4:54 [RFCv3 00/58] xfs: add reverse-mapping, reflink, and dedupe support Darrick J. Wong 2015-10-07 4:54 ` Darrick J. Wong 2015-10-07 4:54 ` [PATCH 01/58] libxfs: make xfs_alloc_fix_freelist non-static Darrick J. Wong 2015-10-07 4:54 ` Darrick J. Wong 2015-10-07 4:54 ` [PATCH 02/58] xfs: fix log ticket type printing Darrick J. Wong 2015-10-07 4:54 ` Darrick J. Wong 2015-10-07 4:55 ` [PATCH 03/58] xfs: introduce rmap btree definitions Darrick J. Wong 2015-10-07 4:55 ` Darrick J. Wong 2015-10-07 4:55 ` [PATCH 04/58] xfs: add rmap btree stats infrastructure Darrick J. Wong 2015-10-07 4:55 ` [PATCH 05/58] xfs: rmap btree add more reserved blocks Darrick J. Wong 2015-10-07 4:55 ` Darrick J. Wong 2015-10-07 4:55 ` [PATCH 06/58] xfs: add owner field to extent allocation and freeing Darrick J. Wong 2015-10-07 4:55 ` Darrick J. Wong 2015-10-07 4:55 ` [PATCH 07/58] xfs: add extended " Darrick J. Wong 2015-10-07 4:55 ` Darrick J. Wong 2015-10-07 4:55 ` [PATCH 08/58] xfs: introduce rmap extent operation stubs Darrick J. Wong 2015-10-07 4:55 ` Darrick J. Wong 2015-10-07 4:55 ` [PATCH 09/58] xfs: extend rmap extent operation stubs to take full owner info Darrick J. Wong 2015-10-07 4:55 ` Darrick J. Wong 2015-10-07 4:55 ` [PATCH 10/58] xfs: define the on-disk rmap btree format Darrick J. Wong 2015-10-07 4:55 ` Darrick J. Wong 2015-10-07 4:55 ` Darrick J. Wong [this message] 2015-10-07 4:55 ` [PATCH 11/58] xfs: enhance " Darrick J. Wong 2015-10-07 4:56 ` [PATCH 12/58] xfs: add rmap btree growfs support Darrick J. Wong 2015-10-07 4:56 ` Darrick J. Wong 2015-10-07 4:56 ` [PATCH 13/58] xfs: enhance " Darrick J. Wong 2015-10-07 4:56 ` Darrick J. Wong 2015-10-07 4:56 ` [PATCH 14/58] xfs: rmap btree transaction reservations Darrick J. Wong 2015-10-07 4:56 ` Darrick J. Wong 2015-10-07 4:56 ` [PATCH 15/58] xfs: rmap btree requires more reserved free space Darrick J. Wong 2015-10-07 4:56 ` Darrick J. Wong 2015-10-07 4:56 ` [PATCH 16/58] libxfs: fix min freelist length calculation Darrick J. Wong 2015-10-07 4:56 ` Darrick J. Wong 2015-10-07 4:56 ` [PATCH 17/58] xfs: add rmap btree operations Darrick J. Wong 2015-10-07 4:57 ` [PATCH 18/58] xfs: enhance " Darrick J. Wong 2015-10-07 4:57 ` [PATCH 19/58] xfs: add an extent to the rmap btree Darrick J. Wong 2015-10-07 4:57 ` Darrick J. Wong 2015-10-07 4:57 ` [PATCH 20/58] xfs: add tracepoints for the rmap-mirrors-bmbt functions Darrick J. Wong 2015-10-07 4:57 ` Darrick J. Wong 2015-10-07 4:57 ` [PATCH 21/58] xfs: teach rmap_alloc how to deal with our larger rmap btree Darrick J. Wong 2015-10-07 4:57 ` Darrick J. Wong 2015-10-07 4:57 ` [PATCH 22/58] xfs: remove an extent from the " Darrick J. Wong 2015-10-07 4:57 ` Darrick J. Wong 2015-10-07 4:57 ` [PATCH 23/58] xfs: enhanced " Darrick J. Wong 2015-10-07 4:57 ` Darrick J. Wong 2015-10-07 4:57 ` [PATCH 24/58] xfs: add rmap btree insert and delete helpers Darrick J. Wong 2015-10-07 4:57 ` Darrick J. Wong 2015-10-07 4:57 ` [PATCH 25/58] xfs: bmap btree changes should update rmap btree Darrick J. Wong 2015-10-07 4:57 ` Darrick J. Wong 2015-10-21 21:39 ` Darrick J. Wong 2015-10-21 21:39 ` Darrick J. Wong 2015-10-07 4:57 ` [PATCH 26/58] xfs: add rmap btree geometry feature flag Darrick J. Wong 2015-10-07 4:57 ` Darrick J. Wong 2015-10-07 4:58 ` [PATCH 27/58] xfs: add rmap btree block detection to log recovery Darrick J. Wong 2015-10-07 4:58 ` Darrick J. Wong 2015-10-07 4:58 ` [PATCH 28/58] xfs: enable the rmap btree functionality Darrick J. Wong 2015-10-07 4:58 ` Darrick J. Wong 2015-10-07 4:58 ` [PATCH 29/58] xfs: disable XFS_IOC_SWAPEXT when rmap btree is enabled Darrick J. Wong 2015-10-07 4:58 ` Darrick J. Wong 2015-10-07 4:58 ` [PATCH 30/58] xfs: implement " Darrick J. Wong 2015-10-07 4:58 ` Darrick J. Wong 2015-10-07 4:58 ` [PATCH 31/58] libxfs: refactor short btree block verification Darrick J. Wong 2015-10-07 4:58 ` Darrick J. Wong 2015-10-07 4:58 ` [PATCH 32/58] xfs: don't update rmapbt when fixing agfl Darrick J. Wong 2015-10-07 4:58 ` Darrick J. Wong 2015-10-07 4:58 ` [PATCH 33/58] xfs: introduce refcount btree definitions Darrick J. Wong 2015-10-07 4:58 ` Darrick J. Wong 2015-10-07 4:58 ` [PATCH 34/58] xfs: add refcount btree stats infrastructure Darrick J. Wong 2015-10-07 4:58 ` Darrick J. Wong 2015-10-07 4:58 ` [PATCH 35/58] xfs: refcount btree add more reserved blocks Darrick J. Wong 2015-10-07 4:58 ` Darrick J. Wong 2015-10-07 4:59 ` [PATCH 36/58] xfs: define the on-disk refcount btree format Darrick J. Wong 2015-10-07 4:59 ` Darrick J. Wong 2015-10-07 4:59 ` [PATCH 37/58] xfs: define tracepoints for refcount/reflink activities Darrick J. Wong 2015-10-07 4:59 ` Darrick J. Wong 2015-10-07 4:59 ` [PATCH 38/58] xfs: add refcount btree support to growfs Darrick J. Wong 2015-10-07 4:59 ` Darrick J. Wong 2015-10-07 4:59 ` [PATCH 39/58] xfs: add refcount btree operations Darrick J. Wong 2015-10-07 4:59 ` Darrick J. Wong 2015-10-07 4:59 ` [PATCH 40/58] libxfs: adjust refcount of an extent of blocks in refcount btree Darrick J. Wong 2015-10-07 4:59 ` Darrick J. Wong 2015-10-27 19:05 ` Darrick J. Wong 2015-10-27 19:05 ` Darrick J. Wong 2015-10-30 20:56 ` Darrick J. Wong 2015-10-30 20:56 ` Darrick J. Wong 2015-10-07 4:59 ` [PATCH 41/58] libxfs: adjust refcount when unmapping file blocks Darrick J. Wong 2015-10-07 4:59 ` Darrick J. Wong 2015-10-07 4:59 ` [PATCH 42/58] xfs: add refcount btree block detection to log recovery Darrick J. Wong 2015-10-07 4:59 ` Darrick J. Wong 2015-10-07 4:59 ` [PATCH 43/58] xfs: map an inode's offset to an exact physical block Darrick J. Wong 2015-10-07 4:59 ` Darrick J. Wong 2015-10-07 4:59 ` [PATCH 44/58] xfs: add reflink feature flag to geometry Darrick J. Wong 2015-10-07 4:59 ` Darrick J. Wong 2015-10-07 5:00 ` [PATCH 45/58] xfs: create a separate workqueue for copy-on-write activities Darrick J. Wong 2015-10-07 5:00 ` Darrick J. Wong 2015-10-07 5:00 ` [PATCH 46/58] xfs: implement copy-on-write for reflinked blocks Darrick J. Wong 2015-10-07 5:00 ` Darrick J. Wong 2015-10-07 5:00 ` [PATCH 47/58] xfs: handle directio " Darrick J. Wong 2015-10-07 5:00 ` Darrick J. Wong 2015-10-07 5:00 ` [PATCH 48/58] xfs: copy-on-write reflinked blocks when zeroing ranges of blocks Darrick J. Wong 2015-10-07 5:00 ` Darrick J. Wong 2015-10-21 21:17 ` Darrick J. Wong 2015-10-21 21:17 ` Darrick J. Wong 2015-10-07 5:00 ` [PATCH 49/58] xfs: clear inode reflink flag when freeing blocks Darrick J. Wong 2015-10-07 5:00 ` Darrick J. Wong 2015-10-07 5:00 ` [PATCH 50/58] xfs: reflink extents from one file to another Darrick J. Wong 2015-10-07 5:00 ` Darrick J. Wong 2015-10-07 5:12 ` kbuild test robot 2015-10-07 5:12 ` kbuild test robot 2015-10-07 5:00 ` [PATCH 51/58] xfs: add clone file and clone range ioctls Darrick J. Wong 2015-10-07 5:00 ` Darrick J. Wong 2015-10-07 5:13 ` kbuild test robot 2015-10-07 5:13 ` kbuild test robot 2015-10-07 6:46 ` kbuild test robot 2015-10-07 6:46 ` kbuild test robot 2015-10-07 7:35 ` kbuild test robot 2015-10-07 7:35 ` kbuild test robot 2015-10-07 5:00 ` [PATCH 52/58] xfs: emulate the btrfs dedupe extent same ioctl Darrick J. Wong 2015-10-07 5:00 ` Darrick J. Wong 2015-10-07 5:00 ` [PATCH 53/58] xfs: teach fiemap about reflink'd extents Darrick J. Wong 2015-10-07 5:00 ` Darrick J. Wong 2015-10-07 5:01 ` [PATCH 54/58] xfs: swap inode reflink flags when swapping inode extents Darrick J. Wong 2015-10-07 5:01 ` Darrick J. Wong 2015-10-07 5:01 ` [PATCH 55/58] vfs: add a FALLOC_FL_UNSHARE mode to fallocate to unshare a range of blocks Darrick J. Wong 2015-10-07 5:01 ` Darrick J. Wong 2015-10-07 5:01 ` [PATCH 56/58] xfs: unshare a range of blocks via fallocate Darrick J. Wong 2015-10-07 5:01 ` Darrick J. Wong 2015-10-07 5:01 ` [PATCH 57/58] xfs: support XFS_XFLAG_REFLINK (and FS_NOCOW_FL) on reflink filesystems Darrick J. Wong 2015-10-07 5:01 ` Darrick J. Wong 2015-10-07 5:01 ` [PATCH 58/58] xfs: recognize the reflink feature bit Darrick J. Wong 2015-10-07 5:01 ` Darrick J. Wong
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