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ext4: compare old and new mode before setting update_mode flag

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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 */);