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mark_mounts_for_expiry(): use guards

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Clean fit; guards can't be weaker due to umount_tree() calls.

Reviewed-by: Christian Brauner <brauner@kernel.org>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro
2025-08-20 20:20:44 -04:00
parent 7b99ee2c5c
commit 550dda45df
1 changed files with 2 additions and 4 deletions
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6
fs/namespace.c
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@@ -3886,8 +3886,8 @@ void mark_mounts_for_expiry(struct list_head *mounts)
if (list_empty(mounts))
return;
namespace_lock();
lock_mount_hash();
guard(namespace_excl)();
guard(mount_writer)();
/* extract from the expiration list every vfsmount that matches the
* following criteria:
@@ -3909,8 +3909,6 @@ void mark_mounts_for_expiry(struct list_head *mounts)
touch_mnt_namespace(mnt->mnt_ns);
umount_tree(mnt, UMOUNT_PROPAGATE|UMOUNT_SYNC);
}
unlock_mount_hash();
namespace_unlock();
}
EXPORT_SYMBOL_GPL(mark_mounts_for_expiry);