From: Goldwyn Rodrigues <rgoldwyn@suse.de> To: linux-btrfs@vger.kernel.org Cc: kilobyte@angband.pl, jack@suse.cz, darrick.wong@oracle.com, nborisov@suse.com, linux-nvdimm@lists.01.org, david@fromorbit.com, dsterba@suse.cz, willy@infradead.org, linux-fsdevel@vger.kernel.org, hch@lst.de, Goldwyn Rodrigues <rgoldwyn@suse.com> Subject: [PATCH 17/18] btrfs: Disable dax-based defrag and send Date: Mon, 29 Apr 2019 12:26:48 -0500 [thread overview] Message-ID: <20190429172649.8288-18-rgoldwyn@suse.de> (raw) In-Reply-To: <20190429172649.8288-1-rgoldwyn@suse.de> From: Goldwyn Rodrigues <rgoldwyn@suse.com> This is temporary, and a TODO. Signed-off-by: Goldwyn Rodrigues <rgoldwyn@suse.com> --- fs/btrfs/ioctl.c | 13 +++++++++++++ fs/btrfs/send.c | 4 ++++ 2 files changed, 17 insertions(+) diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c index 5ebb52848d5a..2470f90c9983 100644 --- a/fs/btrfs/ioctl.c +++ b/fs/btrfs/ioctl.c @@ -2990,6 +2990,12 @@ static int btrfs_ioctl_defrag(struct file *file, void __user *argp) goto out; } + if (IS_DAX(inode)) { + btrfs_warn(root->fs_info, "File defrag is not supported with DAX"); + ret = -EOPNOTSUPP; + goto out; + } + if (argp) { if (copy_from_user(range, argp, sizeof(*range))) { @@ -4653,6 +4659,10 @@ static long btrfs_ioctl_balance(struct file *file, void __user *arg) if (!capable(CAP_SYS_ADMIN)) return -EPERM; + /* send can be on a directory, so check super block instead */ + if (btrfs_test_opt(fs_info, DAX)) + return -EOPNOTSUPP; + ret = mnt_want_write_file(file); if (ret) return ret; @@ -5505,6 +5515,9 @@ static int _btrfs_ioctl_send(struct file *file, void __user *argp, bool compat) struct btrfs_ioctl_send_args *arg; int ret; + if (IS_DAX(file_inode(file))) + return -EOPNOTSUPP; + if (compat) { #if defined(CONFIG_64BIT) && defined(CONFIG_COMPAT) struct btrfs_ioctl_send_args_32 args32; diff --git a/fs/btrfs/send.c b/fs/btrfs/send.c index 7ea2d6b1f170..9679fd54db86 100644 --- a/fs/btrfs/send.c +++ b/fs/btrfs/send.c @@ -6609,6 +6609,10 @@ long btrfs_ioctl_send(struct file *mnt_file, struct btrfs_ioctl_send_args *arg) int sort_clone_roots = 0; int index; + /* send can be on a directory, so check super block instead */ + if (btrfs_test_opt(fs_info, DAX)) + return -EOPNOTSUPP; + if (!capable(CAP_SYS_ADMIN)) return -EPERM; -- 2.16.4 _______________________________________________ Linux-nvdimm mailing list Linux-nvdimm@lists.01.org https://lists.01.org/mailman/listinfo/linux-nvdimm
WARNING: multiple messages have this Message-ID (diff)
From: Goldwyn Rodrigues <rgoldwyn@suse.de> To: linux-btrfs@vger.kernel.org Cc: kilobyte@angband.pl, linux-fsdevel@vger.kernel.org, jack@suse.cz, david@fromorbit.com, willy@infradead.org, hch@lst.de, darrick.wong@oracle.com, dsterba@suse.cz, nborisov@suse.com, linux-nvdimm@lists.01.org, Goldwyn Rodrigues <rgoldwyn@suse.com> Subject: [PATCH 17/18] btrfs: Disable dax-based defrag and send Date: Mon, 29 Apr 2019 12:26:48 -0500 [thread overview] Message-ID: <20190429172649.8288-18-rgoldwyn@suse.de> (raw) In-Reply-To: <20190429172649.8288-1-rgoldwyn@suse.de> From: Goldwyn Rodrigues <rgoldwyn@suse.com> This is temporary, and a TODO. Signed-off-by: Goldwyn Rodrigues <rgoldwyn@suse.com> --- fs/btrfs/ioctl.c | 13 +++++++++++++ fs/btrfs/send.c | 4 ++++ 2 files changed, 17 insertions(+) diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c index 5ebb52848d5a..2470f90c9983 100644 --- a/fs/btrfs/ioctl.c +++ b/fs/btrfs/ioctl.c @@ -2990,6 +2990,12 @@ static int btrfs_ioctl_defrag(struct file *file, void __user *argp) goto out; } + if (IS_DAX(inode)) { + btrfs_warn(root->fs_info, "File defrag is not supported with DAX"); + ret = -EOPNOTSUPP; + goto out; + } + if (argp) { if (copy_from_user(range, argp, sizeof(*range))) { @@ -4653,6 +4659,10 @@ static long btrfs_ioctl_balance(struct file *file, void __user *arg) if (!capable(CAP_SYS_ADMIN)) return -EPERM; + /* send can be on a directory, so check super block instead */ + if (btrfs_test_opt(fs_info, DAX)) + return -EOPNOTSUPP; + ret = mnt_want_write_file(file); if (ret) return ret; @@ -5505,6 +5515,9 @@ static int _btrfs_ioctl_send(struct file *file, void __user *argp, bool compat) struct btrfs_ioctl_send_args *arg; int ret; + if (IS_DAX(file_inode(file))) + return -EOPNOTSUPP; + if (compat) { #if defined(CONFIG_64BIT) && defined(CONFIG_COMPAT) struct btrfs_ioctl_send_args_32 args32; diff --git a/fs/btrfs/send.c b/fs/btrfs/send.c index 7ea2d6b1f170..9679fd54db86 100644 --- a/fs/btrfs/send.c +++ b/fs/btrfs/send.c @@ -6609,6 +6609,10 @@ long btrfs_ioctl_send(struct file *mnt_file, struct btrfs_ioctl_send_args *arg) int sort_clone_roots = 0; int index; + /* send can be on a directory, so check super block instead */ + if (btrfs_test_opt(fs_info, DAX)) + return -EOPNOTSUPP; + if (!capable(CAP_SYS_ADMIN)) return -EPERM; -- 2.16.4
next prev parent reply other threads:[~2019-04-29 17:27 UTC|newest] Thread overview: 111+ messages / expand[flat|nested] mbox.gz Atom feed top 2019-04-29 17:26 [PATCH v4 00/18] btrfs dax support Goldwyn Rodrigues 2019-04-29 17:26 ` Goldwyn Rodrigues 2019-04-29 17:26 ` [PATCH 01/18] btrfs: create a mount option for dax Goldwyn Rodrigues 2019-04-29 17:26 ` Goldwyn Rodrigues 2019-05-21 18:02 ` Darrick J. Wong 2019-05-21 18:02 ` Darrick J. Wong 2019-04-29 17:26 ` [PATCH 02/18] btrfs: Carve out btrfs_get_extent_map_write() out of btrfs_get_blocks_write() Goldwyn Rodrigues 2019-04-29 17:26 ` Goldwyn Rodrigues 2019-04-29 17:26 ` [PATCH 04/18] dax: Introduce IOMAP_DAX_COW to CoW edges during writes Goldwyn Rodrigues 2019-04-29 17:26 ` Goldwyn Rodrigues 2019-05-21 16:51 ` Darrick J. Wong 2019-05-22 20:14 ` Goldwyn Rodrigues 2019-05-22 20:14 ` Goldwyn Rodrigues 2019-05-23 2:10 ` Dave Chinner 2019-05-23 2:10 ` Dave Chinner 2019-05-23 9:05 ` Shiyang Ruan 2019-05-23 9:05 ` Shiyang Ruan 2019-05-23 11:51 ` Goldwyn Rodrigues 2019-05-23 11:51 ` Goldwyn Rodrigues 2019-05-27 8:25 ` Shiyang Ruan 2019-05-27 8:25 ` Shiyang Ruan 2019-05-28 9:17 ` Jan Kara 2019-05-28 9:17 ` Jan Kara 2019-05-29 2:01 ` Shiyang Ruan 2019-05-29 2:01 ` Shiyang Ruan 2019-05-29 2:47 ` Dave Chinner 2019-05-29 2:47 ` Dave Chinner 2019-05-29 4:02 ` Shiyang Ruan 2019-05-29 4:02 ` Shiyang Ruan 2019-05-29 4:07 ` Darrick J. Wong 2019-05-29 4:07 ` Darrick J. Wong 2019-05-29 4:46 ` Dave Chinner 2019-05-29 4:46 ` Dave Chinner 2019-05-29 13:46 ` Jan Kara 2019-05-29 13:46 ` Jan Kara 2019-05-29 22:14 ` Dave Chinner 2019-05-29 22:14 ` Dave Chinner 2019-05-30 11:16 ` Jan Kara 2019-05-30 11:16 ` Jan Kara 2019-05-30 22:59 ` Dave Chinner 2019-05-30 22:59 ` Dave Chinner 2019-04-29 17:26 ` [PATCH 05/18] btrfs: return whether extent is nocow or not Goldwyn Rodrigues 2019-04-29 17:26 ` Goldwyn Rodrigues 2019-04-29 17:26 ` [PATCH 06/18] btrfs: Rename __endio_write_update_ordered() to btrfs_update_ordered_extent() Goldwyn Rodrigues 2019-04-29 17:26 ` Goldwyn Rodrigues [not found] ` <20190429172649.8288-1-rgoldwyn-l3A5Bk7waGM@public.gmane.org> 2019-04-29 17:26 ` [PATCH 03/18] btrfs: basic dax read Goldwyn Rodrigues 2019-04-29 17:26 ` Goldwyn Rodrigues [not found] ` <20190429172649.8288-4-rgoldwyn-l3A5Bk7waGM@public.gmane.org> 2019-05-21 15:14 ` Darrick J. Wong 2019-05-21 15:14 ` Darrick J. Wong 2019-05-22 21:50 ` Goldwyn Rodrigues 2019-04-29 17:26 ` [PATCH 07/18] btrfs: add dax write support Goldwyn Rodrigues 2019-04-29 17:26 ` Goldwyn Rodrigues [not found] ` <20190429172649.8288-8-rgoldwyn-l3A5Bk7waGM@public.gmane.org> 2019-05-21 17:08 ` Darrick J. Wong 2019-05-21 17:08 ` Darrick J. Wong 2019-04-29 17:26 ` [PATCH 13/18] fs: dedup file range to use a compare function Goldwyn Rodrigues 2019-04-29 17:26 ` Goldwyn Rodrigues [not found] ` <20190429172649.8288-14-rgoldwyn-l3A5Bk7waGM@public.gmane.org> 2019-05-21 18:17 ` Darrick J. Wong 2019-05-21 18:17 ` Darrick J. Wong 2019-04-29 17:26 ` [PATCH 18/18] btrfs: trace functions for btrfs_iomap_begin/end Goldwyn Rodrigues 2019-04-29 17:26 ` Goldwyn Rodrigues 2019-04-29 17:26 ` [PATCH 08/18] dax: memcpy page in case of IOMAP_DAX_COW for mmap faults Goldwyn Rodrigues 2019-04-29 17:26 ` Goldwyn Rodrigues 2019-05-21 17:46 ` Darrick J. Wong 2019-05-21 17:46 ` Darrick J. Wong 2019-05-22 19:11 ` Goldwyn Rodrigues 2019-05-22 19:11 ` Goldwyn Rodrigues 2019-05-23 4:02 ` Darrick J. Wong 2019-05-23 4:02 ` Darrick J. Wong 2019-05-23 12:10 ` Jan Kara 2019-05-23 12:10 ` Jan Kara 2019-04-29 17:26 ` [PATCH 09/18] btrfs: Add dax specific address_space_operations Goldwyn Rodrigues 2019-04-29 17:26 ` Goldwyn Rodrigues 2019-04-29 17:26 ` [PATCH 10/18] dax: replace mmap entry in case of CoW Goldwyn Rodrigues 2019-04-29 17:26 ` Goldwyn Rodrigues 2019-05-21 17:35 ` Darrick J. Wong 2019-05-21 17:35 ` Darrick J. Wong 2019-05-23 13:38 ` Jan Kara 2019-05-23 13:38 ` Jan Kara 2019-04-29 17:26 ` [PATCH 11/18] btrfs: add dax mmap support Goldwyn Rodrigues 2019-04-29 17:26 ` Goldwyn Rodrigues 2019-04-29 17:26 ` [PATCH 12/18] btrfs: allow MAP_SYNC mmap Goldwyn Rodrigues 2019-04-29 17:26 ` Goldwyn Rodrigues 2019-05-10 15:32 ` [PATCH for-goldwyn] btrfs: disallow MAP_SYNC outside of DAX mounts Adam Borowski 2019-05-10 15:32 ` Adam Borowski 2019-05-10 15:41 ` Dan Williams 2019-05-10 15:41 ` Dan Williams 2019-05-10 15:59 ` Pankaj Gupta 2019-05-10 15:59 ` Pankaj Gupta 2019-05-23 13:44 ` [PATCH 12/18] btrfs: allow MAP_SYNC mmap Jan Kara 2019-05-23 13:44 ` Jan Kara 2019-05-23 16:19 ` Adam Borowski 2019-05-23 16:19 ` Adam Borowski 2019-04-29 17:26 ` [PATCH 14/18] dax: memcpy before zeroing range Goldwyn Rodrigues 2019-04-29 17:26 ` Goldwyn Rodrigues 2019-05-21 17:27 ` Darrick J. Wong 2019-05-21 17:27 ` Darrick J. Wong 2019-04-29 17:26 ` [PATCH 15/18] btrfs: handle dax page zeroing Goldwyn Rodrigues 2019-04-29 17:26 ` [PATCH 16/18] btrfs: Writeprotect mmap pages on snapshot Goldwyn Rodrigues 2019-04-29 17:26 ` Goldwyn Rodrigues 2019-05-23 14:04 ` Jan Kara 2019-05-23 14:04 ` Jan Kara 2019-05-23 15:27 ` Goldwyn Rodrigues 2019-05-23 15:27 ` Goldwyn Rodrigues 2019-05-23 19:07 ` Jan Kara 2019-05-23 19:07 ` Jan Kara 2019-05-23 21:22 ` Goldwyn Rodrigues 2019-05-23 21:22 ` Goldwyn Rodrigues 2019-04-29 17:26 ` Goldwyn Rodrigues [this message] 2019-04-29 17:26 ` [PATCH 17/18] btrfs: Disable dax-based defrag and send Goldwyn Rodrigues -- strict thread matches above, loose matches on Subject: below -- 2019-04-16 16:41 [PATCH v3 00/18] btrfs dax support Goldwyn Rodrigues 2019-04-16 16:41 ` [PATCH 17/18] btrfs: Disable dax-based defrag and send Goldwyn Rodrigues 2019-04-16 16:41 ` Goldwyn Rodrigues
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