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vfs: Remove duplicated d_mountpoint check in __is_local_mountpoint

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This function acts as an out-of-line helper for is_local_mountpoint
is only called after the latter verifies the dentry is not a mountpoint.
There's no semantic changes and the resulting object code is smaller:

add/remove: 0/0 grow/shrink: 0/1 up/down: 0/-26 (-26)
Function                                     old     new   delta
__is_local_mountpoint                        147     121     -26
Total: Before=34161, After=34135, chg -0.08%

Signed-off-by: Nikolay Borisov <nborisov@suse.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Nikolay Borisov 2020-03-04 18:12:45 +02:00 committed by Al Viro
parent 8f3d9f3542
commit 5ad05cc8e0
1 changed files with 1 additions and 4 deletions
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5
fs/namespace.c
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@ -669,9 +669,6 @@ bool __is_local_mountpoint(struct dentry *dentry)
struct mount *mnt;
bool is_covered = false;
if (!d_mountpoint(dentry))
goto out;
down_read(&namespace_sem);
list_for_each_entry(mnt, &ns->list, mnt_list) {
is_covered = (mnt->mnt_mountpoint == dentry);
@ -679,7 +676,7 @@ bool __is_local_mountpoint(struct dentry *dentry)
break;
}
up_read(&namespace_sem);
out:
return is_covered;
}