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btrfs: drop useless inode i_flags copy and restore 

The patch ("btrfs: start transaction in btrfs_ioctl_setflags()") used
btrfs_set_prop() instead of btrfs_set_prop_trans() by which now the
inode::i_flags update functions such as
btrfs_sync_inode_flags_to_i_flags() and btrfs_update_inode() is called
in btrfs_ioctl_setflags() instead of
btrfs_set_prop_trans()->btrfs_setxattr() as earlier. So the
inode::i_flags remains unmodified until the thread has checked all the
conditions. So drop the saved inode::i_flags in out_i_flags.

Signed-off-by: Anand Jain <anand.jain@oracle.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Anand Jain 2019-04-20 19:48:54 +08:00 committed by David Sterba
parent ff9fef559b
commit 11d3cd5c62
1 changed files with 0 additions and 3 deletions
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3
fs/btrfs/ioctl.c
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@ -190,7 +190,6 @@ static int btrfs_ioctl_setflags(struct file *file, void __user *arg)
unsigned int fsflags, old_fsflags;
int ret;
u64 old_flags;
unsigned int old_i_flags;
umode_t mode;
const char *comp = NULL;
@ -214,7 +213,6 @@ static int btrfs_ioctl_setflags(struct file *file, void __user *arg)
inode_lock(inode);
old_flags = binode->flags;
old_i_flags = inode->i_flags;
mode = inode->i_mode;
fsflags = btrfs_mask_fsflags_for_type(inode, fsflags);
@ -339,7 +337,6 @@ static int btrfs_ioctl_setflags(struct file *file, void __user *arg)
out_drop:
if (ret) {
binode->flags = old_flags;
inode->i_flags = old_i_flags;
}
out_unlock: