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ext4: compare old and new mode before setting update_mode flag 

If new mode is the same as old mode we don't have to reset
inode mode in the rest of the code, so compare old and new
mode before setting update_mode flag.

Signed-off-by: Chengguang Xu <cgxu519@gmx.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
This commit is contained in:
Chengguang Xu 2018-12-10 00:22:38 -05:00 committed by Theodore Ts'o
parent e647e29196
commit 0a1e8258a4
1 changed files with 2 additions and 1 deletions
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3
fs/ext4/acl.c
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@ -248,7 +248,8 @@ retry:
error = posix_acl_update_mode(inode, &mode, &acl);
if (error)
goto out_stop;
update_mode = 1;
if (mode != inode->i_mode)
update_mode = 1;
}
error = __ext4_set_acl(handle, inode, type, acl, 0 /* xattr_flags */);