Commit dc1841d6 authored Mar 19, 2012 by Lukas Czerner Committed by Theodore Ts'o Mar 19, 2012

ext4: give more helpful error message in ext4_ext_rm_leaf()



The error message produced by the ext4_ext_rm_leaf() when we are
removing blocks which accidentally ends up inside the existing extent,
is not very helpful, because we would like to also know which extent did
we collide with.

This commit changes the error message to get us also the information
about the extent we are colliding with.

Signed-off-by: Lukas Czerner <lczerner@redhat.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>

parent 7877191c

fs/ext4/extents.c

+5 −2

Original line number	Diff line number	Diff line
		@@ -2366,8 +2366,11 @@ ext4_ext_rm_leaf(handle_t handle, struct inode inode,
		ex_ee_len = ext4_ext_get_actual_len(ex);
		continue;
		} else if (b != ex_ee_block + ex_ee_len - 1) {
		EXT4_ERROR_INODE(inode," bad truncate %u:%u\n",
		start, end);
		EXT4_ERROR_INODE(inode,
		"can not handle truncate %u:%u "
		"on extent %u:%u",
		start, end, ex_ee_block,
		ex_ee_block + ex_ee_len - 1);
		err = -EIO;
		goto out;
		} else if (a != ex_ee_block) {

Admin message