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mnt: port to ns_ref_*() helpers

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Stop accessing ns.count directly.

Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Christian Brauner <brauner@kernel.org>
This commit is contained in:
Christian Brauner
2025-09-18 12:11:47 +02:00
parent 224ef741ce
commit 2e9e697227
2 changed files with 3 additions and 3 deletions
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2
fs/mount.h
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@@ -143,7 +143,7 @@ static inline void detach_mounts(struct dentry *dentry)
static inline void get_mnt_ns(struct mnt_namespace *ns)
{
refcount_inc(&ns->ns.count);
ns_ref_inc(ns);
}
extern seqlock_t mount_lock;

4
fs/namespace.c
View File

@@ -2110,7 +2110,7 @@ struct mnt_namespace *get_sequential_mnt_ns(struct mnt_namespace *mntns, bool pr
* the mount namespace and it might already be on its
* deathbed.
*/
if (!refcount_inc_not_zero(&mntns->ns.count))
if (!ns_ref_get(mntns))
continue;
return mntns;
@@ -6084,7 +6084,7 @@ void __init mnt_init(void)
void put_mnt_ns(struct mnt_namespace *ns)
{
if (!refcount_dec_and_test(&ns->ns.count))
if (!ns_ref_put(ns))
return;
namespace_lock();
emptied_ns = ns;