diff mbox

[3/3] Btrfs-progs, fsck: move root items repair after root rebuilding

Message ID 1416970736-26623-8-git-send-email-wangshilong1991@gmail.com (mailing list archive)
State Accepted
Headers show

Commit Message

Wang Shilong Nov. 26, 2014, 2:58 a.m. UTC
If some critical roots are corrupt, reapr_root_items() will fail,
this is detected by fsck_tests.sh's extent rebuilding tests.

Signed-off-by: Wang Shilong <wangshilong1991@gmail.com>
---
 cmds-check.c | 32 ++++++++++++++++----------------
 1 file changed, 16 insertions(+), 16 deletions(-)

Comments

Wang Shilong Nov. 26, 2014, 3:06 a.m. UTC | #1
Oops, sorry for sending this twice, just entered one more *.patch…


> 
> I did send these patches a long while ago, but due to some reasons,
> they were not merged, these are important fixes for fsck, without
> these patches, extent tree rebuilding did not work with snapshots.
> 
> Also, /tests/fsck-tests.sh's extent tree rebuild test could always
> detect failure without these patches, unluckily, it need extra
> enviroment setting, so i supposed it was always 'NOTRUN'!
> 
> last patch fix a regression for root rebuilding, root rebuilding
> should be at first, because if root(extent root eg) corrupted,
> root items also won't succeed.
> 
> patches are based on David's integration-20141125
> 
> Wang Shilong (3):
>  Btrfs-progs: fsck: deal with snapshot one by one when rebuilding
>    extent tree
>  Btrfs-progs: fsck: add ability to rebuild extent tree with snapshots
>  Btrfs-progs, fsck: move root items repair after root rebuilding
> 
> cmds-check.c | 412 +++++++++++++++++++++++++++++++++++++++++++----------------
> 1 file changed, 303 insertions(+), 109 deletions(-)
> 
> -- 
> 2.1.0
> 

Best Regards,
Wang Shilong

--
To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
diff mbox

Patch

diff --git a/cmds-check.c b/cmds-check.c
index a102752..ae9005e 100644
--- a/cmds-check.c
+++ b/cmds-check.c
@@ -7987,22 +7987,6 @@  int cmd_check(int argc, char **argv)
 
 	root = info->fs_root;
 
-	ret = repair_root_items(info);
-	if (ret < 0)
-		goto close_out;
-	if (repair) {
-		fprintf(stderr, "Fixed %d roots.\n", ret);
-		ret = 0;
-	} else if (ret > 0) {
-		fprintf(stderr,
-		       "Found %d roots with an outdated root item.\n",
-		       ret);
-		fprintf(stderr,
-			"Please run a filesystem check with the option --repair to fix them.\n");
-		ret = 1;
-		goto close_out;
-	}
-
 	/*
 	 * repair mode will force us to commit transaction which
 	 * will make us fail to load log tree when mounting.
@@ -8101,6 +8085,22 @@  int cmd_check(int argc, char **argv)
 	if (ret)
 		fprintf(stderr, "Errors found in extent allocation tree or chunk allocation\n");
 
+	ret = repair_root_items(info);
+	if (ret < 0)
+		goto close_out;
+	if (repair) {
+		fprintf(stderr, "Fixed %d roots.\n", ret);
+		ret = 0;
+	} else if (ret > 0) {
+		fprintf(stderr,
+		       "Found %d roots with an outdated root item.\n",
+		       ret);
+		fprintf(stderr,
+			"Please run a filesystem check with the option --repair to fix them.\n");
+		ret = 1;
+		goto close_out;
+	}
+
 	fprintf(stderr, "checking free space cache\n");
 	ret = check_space_cache(root);
 	if (ret)