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/dax.c b/fs/dax.c
index 7af8797..55aa273 100644
--- a/fs/dax.c
+++ b/fs/dax.c
@@ -248,10 +248,10 @@
if ((flags & DIO_LOCKING) && iov_iter_rw(iter) == READ) {
struct address_space *mapping = inode->i_mapping;
- mutex_lock(&inode->i_mutex);
+ inode_lock(inode);
retval = filemap_write_and_wait_range(mapping, pos, end - 1);
if (retval) {
- mutex_unlock(&inode->i_mutex);
+ inode_unlock(inode);
goto out;
}
}
@@ -263,7 +263,7 @@
retval = dax_io(inode, iter, pos, end, get_block, &bh);
if ((flags & DIO_LOCKING) && iov_iter_rw(iter) == READ)
- mutex_unlock(&inode->i_mutex);
+ inode_unlock(inode);
if ((retval > 0) && end_io)
end_io(iocb, pos, retval, bh.b_private);