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Shiyang Ruan ea6c49b784 xfs: support CoW in fsdax mode 
In fsdax mode, WRITE and ZERO on a shared extent need CoW performed. 
After that, new allocated extents needs to be remapped to the file.  So,
add a CoW identification in ->iomap_begin(), and implement ->iomap_end()
to do the remapping work.

[akpm@linux-foundation.org: make xfs_dax_fault() static]
Link: https://lkml.kernel.org/r/20220603053738.1218681-14-ruansy.fnst@fujitsu.com
Signed-off-by: Shiyang Ruan <ruansy.fnst@fujitsu.com>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Dan Williams <dan.j.wiliams@intel.com>
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: Dave Chinner <david@fromorbit.com>
Cc: Goldwyn Rodrigues <rgoldwyn@suse.com>
Cc: Goldwyn Rodrigues <rgoldwyn@suse.de>
Cc: Jane Chu <jane.chu@oracle.com>
Cc: Matthew Wilcox <willy@infradead.org>
Cc: Miaohe Lin <linmiaohe@huawei.com>
Cc: Naoya Horiguchi <naoya.horiguchi@nec.com>
Cc: Ritesh Harjani <riteshh@linux.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2022-07-17 17:14:32 -07:00
..
libxfs
xfs: fix variable state usage
2022-06-15 23:13:32 -07:00
scrub
xfs: implement per-mount warnings for scrub and shrink usage
2022-05-27 10:31:34 +10:00
Kconfig
…
kmem.c
mm: introduce memalloc_retry_wait()
2022-01-15 16:30:29 +02:00
kmem.h
xfs: remove kmem_zone typedef
2021-10-22 16:00:31 -07:00
Makefile
xfs: implement ->notify_failure() for XFS
2022-07-17 17:14:30 -07:00
mrlock.h
…
xfs_acl.c
xfs: move xfs_attr_use_log_assist usage out of libxfs
2022-05-27 10:34:04 +10:00
xfs_acl.h
xfs: improve __xfs_set_acl
2022-04-26 13:34:42 +10:00
xfs_aops.c
Page cache changes for 5.19
2022-05-24 19:55:07 -07:00
xfs_aops.h
…
xfs_attr_inactive.c
xfs: rename _zone variables to _cache
2021-10-22 16:04:20 -07:00
xfs_attr_item.c
xfs: fix TOCTOU race involving the new logged xattrs control knob
2022-06-15 23:13:32 -07:00
xfs_attr_item.h
xfs: share xattr name and value buffers when logging xattr updates
2022-05-23 08:43:46 +10:00
xfs_attr_list.c
xfs: Set up infrastructure for log attribute replay
2022-05-04 12:41:02 +10:00
xfs_bio_io.c
Bug fixes for 5.18:
2022-04-01 19:30:44 -07:00
xfs_bmap_item.c
xfs: whiteouts release intents that are not in the AIL
2022-05-04 11:46:47 +10:00
xfs_bmap_item.h
xfs: rename _zone variables to _cache
2021-10-22 16:04:20 -07:00
xfs_bmap_util.c
xfs: Conditionally upgrade existing inodes to use large extent counters
2022-04-13 07:02:44 +00:00
xfs_bmap_util.h
xfs: kill the XFS_IOC_{ALLOC,FREE}SP* ioctls
2022-01-17 09:16:41 -08:00
xfs_buf_item_recover.c
xfs: convert buf_cancel_table allocation to kmalloc_array
2022-05-27 10:27:19 +10:00
xfs_buf_item.c
xfs: log items should have a xlog pointer, not a mount
2022-03-20 08:59:49 -07:00
xfs_buf_item.h
xfs: convert buffer log item flags to unsigned.
2022-04-21 10:46:40 +10:00
xfs_buf.c
xfs: implement ->notify_failure() for XFS
2022-07-17 17:14:30 -07:00
xfs_buf.h
xfs: convert buffer flags to unsigned.
2022-04-21 08:44:59 +10:00
xfs_dir2_readdir.c
xfs: take the ILOCK when readdir inspects directory mapping data
2022-01-11 15:11:04 -08:00
xfs_discard.c
block: decouple REQ_OP_SECURE_ERASE from REQ_OP_DISCARD
2022-04-17 19:49:59 -06:00
xfs_discard.h
…
xfs_dquot_item_recover.c
xfs: replace xfs_sb_version checks with feature flag checks
2021-08-19 10:07:12 -07:00
xfs_dquot_item.c
xfs: remove support for disabling quota accounting on a mounted file system
2021-08-06 11:05:36 -07:00
xfs_dquot_item.h
xfs: remove support for disabling quota accounting on a mounted file system
2021-08-06 11:05:36 -07:00
xfs_dquot.c
xfs: remove warning counters from struct xfs_dquot_res
2022-05-11 17:12:09 +10:00
xfs_dquot.h
xfs: remove warning counters from struct xfs_dquot_res
2022-05-11 17:12:09 +10:00
xfs_error.c
xfs: add leaf to node error tag
2022-05-11 17:01:23 +10:00
xfs_error.h
xfs: convert ptag flags to unsigned.
2022-04-21 10:47:25 +10:00
xfs_export.c
xfs: convert remaining mount flags to state flags
2021-08-19 10:07:13 -07:00
xfs_export.h
…
xfs_extent_busy.c
xfs: pass perags through to the busy extent code
2021-06-02 10:48:24 +10:00
xfs_extent_busy.h
xfs: pass perags through to the busy extent code
2021-06-02 10:48:24 +10:00
xfs_extfree_item.c
xfs: whiteouts release intents that are not in the AIL
2022-05-04 11:46:47 +10:00
xfs_extfree_item.h
xfs: rename _zone variables to _cache
2021-10-22 16:04:20 -07:00
xfs_file.c
xfs: support CoW in fsdax mode
2022-07-17 17:14:32 -07:00
xfs_filestream.c
xfs: fix soft lockup via spinning in filestream ag selection loop
2022-04-26 13:34:54 +10:00
xfs_filestream.h
xfs: convert mount flags to features
2021-08-19 10:07:12 -07:00
xfs_fsmap.c
xfs: pass explicit mount pointer to rtalloc query functions
2022-04-12 06:49:41 +10:00
xfs_fsmap.h
…
xfs_fsops.c
xfs: implement ->notify_failure() for XFS
2022-07-17 17:14:30 -07:00
xfs_fsops.h
…
xfs_globals.c
xfs: Add larp debug option
2022-05-11 17:01:22 +10:00
xfs_health.c
xfs: replace XFS_FORCED_SHUTDOWN with xfs_is_shutdown
2021-08-19 10:07:13 -07:00
xfs_icache.c
mm: shrinkers: provide shrinkers with names
2022-07-03 18:08:40 -07:00
xfs_icache.h
xfs: throttle inode inactivation queuing on memory reclaim
2021-08-09 11:13:17 -07:00
xfs_icreate_item.c
xfs: fix potential log item leak
2022-05-04 11:45:11 +10:00
xfs_icreate_item.h
xfs: rename _zone variables to _cache
2021-10-22 16:04:20 -07:00
xfs_inode_item_recover.c
xfs: hide log iovec alignment constraints
2022-05-04 11:45:50 +10:00
xfs_inode_item.c
xfs: hide log iovec alignment constraints
2022-05-04 11:45:50 +10:00
xfs_inode_item.h
xfs: aborting inodes on shutdown may need buffer lock
2022-03-29 18:21:59 -07:00
xfs_inode.c
xfs: fix xfs_ifree() error handling to not leak perag ref
2022-05-30 10:56:33 +10:00
xfs_inode.h
Merge tag 'large-extent-counters-v9' of https://github.com/chandanr/linux into xfs-5.19-for-next
2022-04-21 16:46:17 +10:00
xfs_ioctl32.c
xfs: Set up infrastructure for log attribute replay
2022-05-04 12:41:02 +10:00
xfs_ioctl32.h
xfs: remove unused xfs_ioctl32.h declarations
2022-01-18 10:18:36 -08:00
xfs_ioctl.c
xfs: preserve DIFLAG2_NREXT64 when setting other inode attributes
2022-06-15 23:13:33 -07:00
xfs_ioctl.h
xfs: kill the XFS_IOC_{ALLOC,FREE}SP* ioctls
2022-01-17 09:16:41 -08:00
xfs_iomap.c
xfs: support CoW in fsdax mode
2022-07-17 17:14:32 -07:00
xfs_iomap.h
xfs: support CoW in fsdax mode
2022-07-17 17:14:32 -07:00
xfs_iops.c
xfs: move xfs_attr_use_log_assist usage out of libxfs
2022-05-27 10:34:04 +10:00
xfs_iops.h
…
xfs_itable.c
xfs: Enable bulkstat ioctl to support 64-bit per-inode extent counters
2022-04-13 07:02:45 +00:00
xfs_itable.h
xfs: Enable bulkstat ioctl to support 64-bit per-inode extent counters
2022-04-13 07:02:45 +00:00
xfs_iwalk.c
xfs: avoid buffer deadlocks when walking fs inodes
2021-08-09 11:13:16 -07:00
xfs_iwalk.h
xfs: Decouple XFS_IBULK flags from XFS_IWALK flags
2022-04-13 07:02:44 +00:00
xfs_linux.h
xfs: drop async cache flushes from CIL commits.
2022-03-29 18:22:02 -07:00
xfs_log_cil.c
xfs: Changes for 5.19-rc1
2022-05-25 19:34:40 -07:00
xfs_log_priv.h
xfs: refactor buffer cancellation table allocation
2022-05-27 10:26:17 +10:00
xfs_log_recover.c
xfs: convert buf_cancel_table allocation to kmalloc_array
2022-05-27 10:27:19 +10:00
xfs_log.c
xfs: move xfs_attr_use_log_assist out of xfs_log.c
2022-05-27 10:33:29 +10:00
xfs_log.h
xfs: share xattr name and value buffers when logging xattr updates
2022-05-23 08:43:46 +10:00
xfs_message.c
Merge branch 'guilt/xfs-unsigned-flags-5.18' into xfs-5.19-for-next
2022-04-21 16:45:03 +10:00
xfs_message.h
xfs: implement per-mount warnings for scrub and shrink usage
2022-05-27 10:31:34 +10:00
xfs_mount.c
xfs: don't log every time we clear the log incompat flags
2022-05-27 10:29:51 +10:00
xfs_mount.h
xfs: implement ->notify_failure() for XFS
2022-07-17 17:14:30 -07:00
xfs_mru_cache.c
xfs: rename _zone variables to _cache
2021-10-22 16:04:20 -07:00
xfs_mru_cache.h
…
xfs_notify_failure.c
xfs: implement ->notify_failure() for XFS
2022-07-17 17:14:30 -07:00
xfs_ondisk.h
xfs: Set up infrastructure for log attribute replay
2022-05-04 12:41:02 +10:00
xfs_pnfs.c
xfs: use setattr_copy to set vfs inode attributes
2022-03-14 10:23:16 -07:00
xfs_pnfs.h
…
xfs_pwork.c
…
xfs_pwork.h
…
xfs_qm_bhv.c
xfs: replace xfs_sb_version checks with feature flag checks
2021-08-19 10:07:12 -07:00
xfs_qm_syscalls.c
xfs: don't set quota warning values
2022-05-11 17:12:09 +10:00
xfs_qm.c
mm: shrinkers: provide shrinkers with names
2022-07-03 18:08:40 -07:00
xfs_qm.h
xfs: remove quota warning limit from struct xfs_quota_limits
2022-05-11 17:12:09 +10:00
xfs_quota.h
xfs: queue inactivation immediately when quota is nearing enforcement
2021-08-09 10:52:18 -07:00
xfs_quotaops.c
xfs: don't set quota warning values
2022-05-11 17:12:09 +10:00
xfs_refcount_item.c
xfs: whiteouts release intents that are not in the AIL
2022-05-04 11:46:47 +10:00
xfs_refcount_item.h
xfs: rename _zone variables to _cache
2021-10-22 16:04:20 -07:00
xfs_reflink.c
fsdax: dedup file range to use a compare function
2022-07-17 17:14:32 -07:00
xfs_reflink.h
xfs: convert xfs_sb_version_has checks to use mount features
2021-08-19 10:07:14 -07:00
xfs_rmap_item.c
xfs: whiteouts release intents that are not in the AIL
2022-05-04 11:46:47 +10:00
xfs_rmap_item.h
xfs: rename _zone variables to _cache
2021-10-22 16:04:20 -07:00
xfs_rtalloc.c
Merge tag 'large-extent-counters-v9' of https://github.com/chandanr/linux into xfs-5.19-for-next
2022-04-21 16:46:17 +10:00
xfs_rtalloc.h
xfs: recalculate free rt extents after log recovery
2022-04-12 06:49:42 +10:00
xfs_stats.c
…
xfs_stats.h
…
xfs_super.c
xfs: Changes for 5.19-rc1 [2nd set]
2022-06-01 17:23:53 -07:00
xfs_super.h
xfs: implement ->notify_failure() for XFS
2022-07-17 17:14:30 -07:00
xfs_symlink.c
xfs: Directory's data fork extent counter can never overflow
2022-04-13 07:02:07 +00:00
xfs_symlink.h
…
xfs_sysctl.c
…
xfs_sysctl.h
xfs: Add larp debug option
2022-05-11 17:01:22 +10:00
xfs_sysfs.c
xfs: Add larp debug option
2022-05-11 17:01:22 +10:00
xfs_sysfs.h
…
xfs_trace.c
xfs: add trace point for fs shutdown
2021-08-18 18:46:00 -07:00
xfs_trace.h
xfs: ATTR_REPLACE algorithm with LARP enabled needs rework
2022-05-12 15:12:56 +10:00
xfs_trans_ail.c
xfs: log shutdown triggers should only shut down the log
2022-03-29 18:22:01 -07:00
xfs_trans_buf.c
xfs: introduce xfs_buf_daddr()
2021-08-19 10:07:14 -07:00
xfs_trans_dquot.c
xfs: remove quota warning limit from struct xfs_quota_limits
2022-05-11 17:12:09 +10:00
xfs_trans_priv.h
xfs: AIL should be log centric
2022-03-20 08:59:49 -07:00
xfs_trans.c
xfs: report "max_resp" used for min log size computation
2022-04-28 10:25:23 -07:00
xfs_trans.h
xfs: intent item whiteouts
2022-05-04 11:50:29 +10:00
xfs_xattr.c
xfs: fix TOCTOU race involving the new logged xattrs control knob
2022-06-15 23:13:32 -07:00
xfs_xattr.h
xfs: move xfs_attr_use_log_assist usage out of libxfs
2022-05-27 10:34:04 +10:00
xfs.h
…