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/ntfs/file.c b/fs/ntfs/file.c
index 9d383e5..bed4d42 100644
--- a/fs/ntfs/file.c
+++ b/fs/ntfs/file.c
@@ -1944,14 +1944,14 @@
ssize_t written = 0;
ssize_t err;
- mutex_lock(&vi->i_mutex);
+ inode_lock(vi);
/* We can write back this queue in page reclaim. */
current->backing_dev_info = inode_to_bdi(vi);
err = ntfs_prepare_file_for_write(iocb, from);
if (iov_iter_count(from) && !err)
written = ntfs_perform_write(file, from, iocb->ki_pos);
current->backing_dev_info = NULL;
- mutex_unlock(&vi->i_mutex);
+ inode_unlock(vi);
if (likely(written > 0)) {
err = generic_write_sync(file, iocb->ki_pos, written);
if (err < 0)
@@ -1996,7 +1996,7 @@
err = filemap_write_and_wait_range(vi->i_mapping, start, end);
if (err)
return err;
- mutex_lock(&vi->i_mutex);
+ inode_lock(vi);
BUG_ON(S_ISDIR(vi->i_mode));
if (!datasync || !NInoNonResident(NTFS_I(vi)))
@@ -2015,7 +2015,7 @@
else
ntfs_warning(vi->i_sb, "Failed to f%ssync inode 0x%lx. Error "
"%u.", datasync ? "data" : "", vi->i_ino, -ret);
- mutex_unlock(&vi->i_mutex);
+ inode_unlock(vi);
return ret;
}
