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authorRadim Krčmář <rkrcmar@redhat.com>2017-01-17 17:53:01 +0100
committerRadim Krčmář <rkrcmar@redhat.com>2017-01-17 17:53:01 +0100
commita9ff720e0fee2f64c279e71c1bf86e93804295d2 (patch)
treec9d6a77274bcb90142aace2dd4a1c9808a191533 /fs/dcache.c
parent21e7fbe7db2a983c046a05f12419d88c554a0f5a (diff)
parent06b35d93af0a5904aa832f58733be84ddbfe2e04 (diff)
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Merge branch 'x86/cpufeature' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip into next
For AVX512_VPOPCNTDQ.
Diffstat (limited to 'fs/dcache.c')
-rw-r--r--fs/dcache.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/fs/dcache.c b/fs/dcache.c
index 769903dbc19d..95d71eda8142 100644
--- a/fs/dcache.c
+++ b/fs/dcache.c
@@ -1336,8 +1336,11 @@ int d_set_mounted(struct dentry *dentry)
}
spin_lock(&dentry->d_lock);
if (!d_unlinked(dentry)) {
- dentry->d_flags |= DCACHE_MOUNTED;
- ret = 0;
+ ret = -EBUSY;
+ if (!d_mountpoint(dentry)) {
+ dentry->d_flags |= DCACHE_MOUNTED;
+ ret = 0;
+ }
}
spin_unlock(&dentry->d_lock);
out: