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authorAl Viro <viro@zeniv.linux.org.uk>2023-12-20 05:31:57 +0000
committerAndreas Gruenbacher <agruenba@redhat.com>2023-12-20 12:46:52 +0100
commit34d63b8162b7b93e616212bb1026fdc51a35ee21 (patch)
treef9a9514a973d6e9ac74cf0c6043d394f78ceb3fd /fs/gfs2
parent34d72246437155299dd08fd29277e6fa31081ea0 (diff)
gfs2: use is_subdir()
... instead of reimplementing it with misguiding name (is_ancestor(x, y) would normally imply "x is an ancestor of y", not the other way round). With races, while we are at it... Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
Diffstat (limited to 'fs/gfs2')
-rw-r--r--fs/gfs2/super.c12
1 files changed, 1 insertions, 11 deletions
diff --git a/fs/gfs2/super.c b/fs/gfs2/super.c
index d21c04a22d73..b5c75c8a8d62 100644
--- a/fs/gfs2/super.c
+++ b/fs/gfs2/super.c
@@ -1065,16 +1065,6 @@ static int gfs2_drop_inode(struct inode *inode)
return generic_drop_inode(inode);
}
-static int is_ancestor(const struct dentry *d1, const struct dentry *d2)
-{
- do {
- if (d1 == d2)
- return 1;
- d1 = d1->d_parent;
- } while (!IS_ROOT(d1));
- return 0;
-}
-
/**
* gfs2_show_options - Show mount options for /proc/mounts
* @s: seq_file structure
@@ -1096,7 +1086,7 @@ static int gfs2_show_options(struct seq_file *s, struct dentry *root)
statfs_slow = sdp->sd_tune.gt_statfs_slow;
spin_unlock(&sdp->sd_tune.gt_spin);
- if (is_ancestor(root, sdp->sd_master_dir))
+ if (is_subdir(root, sdp->sd_master_dir))
seq_puts(s, ",meta");
if (args->ar_lockproto[0])
seq_show_option(s, "lockproto", args->ar_lockproto);