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Merge tag 'lazytime_for_v5.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs

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Pull lazytime updates from Jan Kara:
 "Cleanups of the lazytime handling in the writeback code making rules
  for calling ->dirty_inode() filesystem handlers saner"

* tag 'lazytime_for_v5.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs:
  ext4: simplify i_state checks in __ext4_update_other_inode_time()
  gfs2: don't worry about I_DIRTY_TIME in gfs2_fsync()
  fs: improve comments for writeback_single_inode()
  fs: drop redundant check from __writeback_single_inode()
  fs: clean up __mark_inode_dirty() a bit
  fs: pass only I_DIRTY_INODE flags to ->dirty_inode
  fs: don't call ->dirty_inode for lazytime timestamp updates
  fat: only specify I_DIRTY_TIME when needed in fat_update_time()
  fs: only specify I_DIRTY_TIME when needed in generic_update_time()
  fs: correctly document the inode dirty flags
This commit is contained in:
Linus Torvalds
2021-02-22 13:17:39 -08:00
parent c63dca9e23 ed296c6c05
commit d61c6a58ae
9 changed files with 135 additions and 105 deletions
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34
fs/inode.c
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@@ -1743,24 +1743,26 @@ static int relatime_need_update(struct vfsmount *mnt, struct inode *inode,
int generic_update_time(struct inode *inode, struct timespec64 *time, int flags)
{
int iflags = I_DIRTY_TIME;
bool dirty = false;
int dirty_flags = 0;
if (flags & S_ATIME)
inode->i_atime = *time;
if (flags & S_VERSION)
dirty = inode_maybe_inc_iversion(inode, false);
if (flags & S_CTIME)
inode->i_ctime = *time;
if (flags & S_MTIME)
inode->i_mtime = *time;
if ((flags & (S_ATIME | S_CTIME | S_MTIME)) &&
!(inode->i_sb->s_flags & SB_LAZYTIME))
dirty = true;
if (flags & (S_ATIME | S_CTIME | S_MTIME)) {
if (flags & S_ATIME)
inode->i_atime = *time;
if (flags & S_CTIME)
inode->i_ctime = *time;
if (flags & S_MTIME)
inode->i_mtime = *time;
if (dirty)
iflags |= I_DIRTY_SYNC;
__mark_inode_dirty(inode, iflags);
if (inode->i_sb->s_flags & SB_LAZYTIME)
dirty_flags |= I_DIRTY_TIME;
else
dirty_flags |= I_DIRTY_SYNC;
}
if ((flags & S_VERSION) && inode_maybe_inc_iversion(inode, false))
dirty_flags |= I_DIRTY_SYNC;
__mark_inode_dirty(inode, dirty_flags);
return 0;
}
EXPORT_SYMBOL(generic_update_time);