btrfs-progs: check/lowmem: Fix the incorrect error message of check_extent_data_item
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Message ID 20180227100257.6774-1-lufq.fnst@cn.fujitsu.com
State New
Headers show

Commit Message

Lu Fengqi Feb. 27, 2018, 10:02 a.m. UTC
Instead of the disk_bytenr and disk_num_bytes of the extent_item which the
file extent references, we should output the objectid and offset of the
file extent.

Fixes: b0d360b541f0 ("btrfs-progs: check: introduce function to check data backref in extent tree")
Signed-off-by: Lu Fengqi <lufq.fnst@cn.fujitsu.com>
---
 check/mode-lowmem.c | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

Patch
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diff --git a/check/mode-lowmem.c b/check/mode-lowmem.c
index 62bcf3d2e126..07863a9312ce 100644
--- a/check/mode-lowmem.c
+++ b/check/mode-lowmem.c
@@ -2631,9 +2631,8 @@  static int check_extent_data_item(struct btrfs_root *root,
 
 	if (!(extent_flags & BTRFS_EXTENT_FLAG_DATA)) {
 		error(
-		    "extent[%llu %llu] backref type mismatch, wanted bit: %llx",
-		    disk_bytenr, disk_num_bytes,
-		    BTRFS_EXTENT_FLAG_DATA);
+	"file extent[%llu %llu] backref type mismatch, wanted bit: %llx",
+			fi_key.objectid, fi_key.offset, BTRFS_EXTENT_FLAG_DATA);
 		err |= BACKREF_MISMATCH;
 	}
 
@@ -2722,8 +2721,8 @@  out:
 		err |= BACKREF_MISSING;
 	btrfs_release_path(&path);
 	if (err & BACKREF_MISSING) {
-		error("data extent[%llu %llu] backref lost",
-		      disk_bytenr, disk_num_bytes);
+		error("file extent[%llu %llu] backref lost",
+			fi_key.objectid, fi_key.offset);
 	}
 	return err;
 }