Merge tag 'xfs-4.14-merge-7' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux

Pull XFS updates from Darrick Wong:
 "Here are the changes for xfs for 4.14. Most of these are cleanups and
  fixes for bad behavior, as we're mostly focusing on improving
  reliablity this cycle (read: there's potentially a lot of stuff on the
  horizon for 4.15 so better to spend a few weeks killing other bugs
  now).

  Summary:

   - Write unmount record for a ro mount to avoid unnecessary log replay

   - Clean up orphaned inodes when mounting fs readonly

   - Resubmit inode log items when buffer writeback fails to avoid
     umount hang

   - Fix log recovery corruption problems when log headers wrap around
     the end

   - Avoid infinite loop searching for free inodes when inode counters
     are wrong

   - Evict inodes involved with log redo so that we don't leak them
     later

   - Fix a potential race between reclaim and inode cluster freeing

   - Refactor the inode joining code w.r.t. transaction rolling &
     deferred ops

   - Fix a bug where the log doesn't properly deal with dirty buffers
     that are about to become ordered buffers

   - Fix the extent swap code to deal with making dirty buffers ordered
     properly

   - Consolidate page fault handlers

   - Refactor the incore extent manipulation functions to use the iext
     abstractions instead of directly modifying with extent data

   - Disable crashy chattr +/-x until we fix it

   - Don't allow us to set S_DAX for v2 inodes

   - Various cleanups

   - Clarify some documentation

   - Fix a problem where fsync and a log commit race to send the disk a
     flush command, resulting in a small window where power fail data
     loss could occur

   - Simplify some rmap operations in the fcollapse code

   - Fix some use-after-free problems in async writeback"

* tag 'xfs-4.14-merge-7' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux: (44 commits)
  xfs: use kmem_free to free return value of kmem_zalloc
  xfs: open code end_buffer_async_write in xfs_finish_page_writeback
  xfs: don't set v3 xflags for v2 inodes
  xfs: fix compiler warnings
  fsmap: fix documentation of FMR_OF_LAST
  xfs: simplify the rmap code in xfs_bmse_merge
  xfs: remove unused flags arg from xfs_file_iomap_begin_delay
  xfs: fix incorrect log_flushed on fsync
  xfs: disable per-inode DAX flag
  xfs: replace xfs_qm_get_rtblks with a direct call to xfs_bmap_count_leaves
  xfs: rewrite xfs_bmap_count_leaves using xfs_iext_get_extent
  xfs: use xfs_iext_*_extent helpers in xfs_bmap_split_extent_at
  xfs: use xfs_iext_*_extent helpers in xfs_bmap_shift_extents
  xfs: move some code around inside xfs_bmap_shift_extents
  xfs: use xfs_iext_get_extent in xfs_bmap_first_unused
  xfs: switch xfs_bmap_local_to_extents to use xfs_iext_insert
  xfs: add a xfs_iext_update_extent helper
  xfs: consolidate the various page fault handlers
  iomap: return VM_FAULT_* codes from iomap_page_mkwrite
  xfs: relog dirty buffers during swapext bmbt owner change
  ...

2 files changed, 2 insertions, 1 deletions

diff --git a/include/linux/fs.h b/include/linux/fs.h
index cc2e0f5a8fd1..495b5c2e430e 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -2837,6 +2837,7 @@ static inline void lockdep_annotate_inode_mutex_key(struct inode *inode) { };
 #endif
 extern void unlock_new_inode(struct inode *);
 extern unsigned int get_next_ino(void);
+extern void evict_inodes(struct super_block *sb);
 
 extern void __iget(struct inode * inode);
 extern void iget_failed(struct inode *);
diff --git a/include/uapi/linux/fsmap.h b/include/uapi/linux/fsmap.h
index 7e8e5f0bd6d2..e5213c3e38b2 100644
--- a/include/uapi/linux/fsmap.h
+++ b/include/uapi/linux/fsmap.h
@@ -96,7 +96,7 @@ fsmap_advance(
 #define FMR_OF_EXTENT_MAP	0x4	/* segment = extent map */
 #define FMR_OF_SHARED		0x8	/* segment = shared with another file */
 #define FMR_OF_SPECIAL_OWNER	0x10	/* owner is a special value */
-#define FMR_OF_LAST		0x20	/* segment is the last in the FS */
+#define FMR_OF_LAST		0x20	/* segment is the last in the dataset */
 
 /* Each FS gets to define its own special owner codes. */
 #define FMR_OWNER(type, code)	(((__u64)type << 32) | \