diff mbox series

[05/13] btrfs-progs: lowmem: check unaligned disk_bytenr for extent_data

Message ID 20181218104646.29599-6-wqu@suse.com (mailing list archive)
State New, archived
Headers show
Series btrfs-progs: check: Fix | expand

Commit Message

Qu Wenruo Dec. 18, 2018, 10:46 a.m. UTC 
From: Su Yue <suy.fnst@cn.fujitsu.com>

Add support to check unaligned disk_bytenr for extent_data.

Signed-off-by: Su Yue <suy.fnst@cn.fujitsu.com>
Reviewed-by: Qu Wenruo <wqu@suse.com>
Signed-off-by: Qu Wenruo <wqu@suse.com>
---
 check/mode-lowmem.c | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/check/mode-lowmem.c b/check/mode-lowmem.c
index b7690c6dc1f1..20663617d242 100644
--- a/check/mode-lowmem.c
+++ b/check/mode-lowmem.c
@@ -3166,7 +3166,14 @@  static int check_extent_data_item(struct btrfs_root *root,
 	extent_num_bytes = btrfs_file_extent_num_bytes(eb, fi);
 	offset = btrfs_file_extent_offset(eb, fi);
 
-	/* Check unaligned disk_num_bytes and num_bytes */
+	/* Check unaligned disk_bytenr, disk_num_bytes and num_bytes */
+	if (!IS_ALIGNED(disk_bytenr, root->fs_info->sectorsize)) {
+		error(
+"file extent [%llu, %llu] has unaligned disk bytenr: %llu, should be aligned to %u",
+			fi_key.objectid, fi_key.offset, disk_bytenr,
+			root->fs_info->sectorsize);
+		err |= BYTES_UNALIGNED;
+	}
 	if (!IS_ALIGNED(disk_num_bytes, root->fs_info->sectorsize)) {
 		error(
 "file extent [%llu, %llu] has unaligned disk num bytes: %llu, should be aligned to %u",