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authorMiklos Szeredi <mszeredi@suse.cz>2013-10-01 16:44:54 +0200
committerAl Viro <viro@zeniv.linux.org.uk>2013-10-24 23:41:37 -0400
commitb70a80e7a133a0c86f2fa078e7c144597c516415 (patch)
tree378dbeeafc1510fb326eda10e1f48085be098f6c /fs/fuse/fuse_i.h
parent94e92a6e772e009e27083a7f42d49a179e5f668c (diff)
vfs: introduce d_instantiate_no_diralias()
...which just returns -EBUSY if a directory alias would be created. This is to be used by fuse mkdir to make sure that a buggy or malicious userspace filesystem doesn't do anything nasty. Previously fuse used a private mutex for this purpose, which can now go away. Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
Diffstat (limited to 'fs/fuse/fuse_i.h')
-rw-r--r--fs/fuse/fuse_i.h3
1 files changed, 0 insertions, 3 deletions
diff --git a/fs/fuse/fuse_i.h b/fs/fuse/fuse_i.h
index 5b9e6f3b6aef..fe446c222e3f 100644
--- a/fs/fuse/fuse_i.h
+++ b/fs/fuse/fuse_i.h
@@ -374,9 +374,6 @@ struct fuse_conn {
/** Lock protecting accessess to members of this structure */
spinlock_t lock;
- /** Mutex protecting against directory alias creation */
- struct mutex inst_mutex;
-
/** Refcount */
atomic_t count;