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/direct-io.c b/fs/direct-io.c
index 602e844..1b2f7ff 100644
--- a/fs/direct-io.c
+++ b/fs/direct-io.c
@@ -1157,12 +1157,12 @@
iocb->ki_filp->f_mapping;
/* will be released by direct_io_worker */
- mutex_lock(&inode->i_mutex);
+ inode_lock(inode);
retval = filemap_write_and_wait_range(mapping, offset,
end - 1);
if (retval) {
- mutex_unlock(&inode->i_mutex);
+ inode_unlock(inode);
kmem_cache_free(dio_cache, dio);
goto out;
}
@@ -1173,7 +1173,7 @@
dio->i_size = i_size_read(inode);
if (iov_iter_rw(iter) == READ && offset >= dio->i_size) {
if (dio->flags & DIO_LOCKING)
- mutex_unlock(&inode->i_mutex);
+ inode_unlock(inode);
kmem_cache_free(dio_cache, dio);
retval = 0;
goto out;
@@ -1295,7 +1295,7 @@
* of protecting us from looking up uninitialized blocks.
*/
if (iov_iter_rw(iter) == READ && (dio->flags & DIO_LOCKING))
- mutex_unlock(&dio->inode->i_mutex);
+ inode_unlock(dio->inode);
/*
* The only time we want to leave bios in flight is when a successful