Patchwork [3/4] UBIFS: print useful debugging messages when cannot recover gc_lnum

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Submitter Artem Bityutskiy
Date April 26, 2011, 7:29 a.m.
Message ID <1303802963-31612-3-git-send-email-dedekind1@gmail.com>
Download mbox | patch
Permalink /patch/92865/
State New
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Comments

Artem Bityutskiy - April 26, 2011, 7:29 a.m.
From: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>

If we fail to recover the gc_lnum we just return an error and it then
it is difficult to figure out why this happened. This patch adds useful
debugging information which should make it easier to debug the failure.

Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
---
 fs/ubifs/recovery.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

Patch

diff --git a/fs/ubifs/recovery.c b/fs/ubifs/recovery.c
index 3e0eedbe..3d2598d 100644
--- a/fs/ubifs/recovery.c
+++ b/fs/ubifs/recovery.c
@@ -1177,6 +1177,8 @@  find_free:
 	lnum = ubifs_find_free_leb_for_idx(c);
 	if (lnum < 0) {
 		dbg_err("could not find an empty LEB");
+		dbg_dump_lprops(c);
+		dbg_dump_budg(c, &c->bi);
 		return lnum;
 	}
 	/* And reset the index flag */