wrappers for ->i_mutex access
parallel to mutex_{lock,unlock,trylock,is_locked,lock_nested},
inode_foo(inode) being mutex_foo(&inode->i_mutex).
Please, use those for access to ->i_mutex; over the coming cycle
->i_mutex will become rwsem, with ->lookup() done with it held
only shared.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/fs/cachefiles/interface.c b/fs/cachefiles/interface.c
index afa023d..675a333 100644
--- a/fs/cachefiles/interface.c
+++ b/fs/cachefiles/interface.c
@@ -446,7 +446,7 @@
return 0;
cachefiles_begin_secure(cache, &saved_cred);
- mutex_lock(&d_inode(object->backer)->i_mutex);
+ inode_lock(d_inode(object->backer));
/* if there's an extension to a partial page at the end of the backing
* file, we need to discard the partial page so that we pick up new
@@ -465,7 +465,7 @@
ret = notify_change(object->backer, &newattrs, NULL);
truncate_failed:
- mutex_unlock(&d_inode(object->backer)->i_mutex);
+ inode_unlock(d_inode(object->backer));
cachefiles_end_secure(cache, saved_cred);
if (ret == -EIO) {