Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=5f3eae7546093d845ca8ada1b95714202a136a1a
Commit: 5f3eae7546093d845ca8ada1b95714202a136a1a
Parent: 8fbbfd214c853102b614f4705c1904ed14f5a808
Author: Bob Peterson <[EMAIL PROTECTED]>
AuthorDate: Wed Aug 8 16:52:09 2007 -0500
Committer: Steven Whitehouse <[EMAIL PROTECTED]>
CommitDate: Wed Oct 10 08:55:10 2007 +0100
[GFS2] invalid metadata block - REVISED
This is for bugzilla bug #248176: GFS2: invalid metadata block
Patches 1 thru 3 were accepted upstream, but there were problems
with 4 and 5. Those issues have been resolved and now the recovery
tests are passing without errors. This code has gone through
41 * 3 successful gfs2 recovery tests before it hit an
unrelated (openais) problem.
This is a complete rewrite of patch 4 for bug #248176.
Part of the problem was that inodes were being recycled
before their buffers were flushed to the journal logs.
Another problem was that the clone bitmaps were being
searched for deleted inodes to recycle, but only the
"real" bitmaps should be searched for that purpose.
Signed-off-by: Bob Peterson <[EMAIL PROTECTED]>
Signed-off-by: Steven Whitehouse <[EMAIL PROTECTED]>
---
fs/gfs2/rgrp.c | 7 ++++++-
1 files changed, 6 insertions(+), 1 deletions(-)
diff --git a/fs/gfs2/rgrp.c b/fs/gfs2/rgrp.c
index b93ac45..2d7f7ea 100644
--- a/fs/gfs2/rgrp.c
+++ b/fs/gfs2/rgrp.c
@@ -865,12 +865,15 @@ static struct inode *try_rgrp_unlink(struct gfs2_rgrpd
*rgd, u64 *last_unlinked)
struct inode *inode;
u32 goal = 0, block;
u64 no_addr;
+ struct gfs2_sbd *sdp = rgd->rd_sbd;
for(;;) {
if (goal >= rgd->rd_data)
break;
+ down_write(&sdp->sd_log_flush_lock);
block = rgblk_search(rgd, goal, GFS2_BLKST_UNLINKED,
GFS2_BLKST_UNLINKED);
+ up_write(&sdp->sd_log_flush_lock);
if (block == BFITNOENT)
break;
/* rgblk_search can return a block < goal, so we need to
@@ -1295,7 +1298,9 @@ static u32 rgblk_search(struct gfs2_rgrpd *rgd, u32 goal,
allocatable block anywhere else, we want to be able wrap around and
search in the first part of our first-searched bit block. */
for (x = 0; x <= length; x++) {
- if (bi->bi_clone)
+ /* The GFS2_BLKST_UNLINKED state doesn't apply to the clone
+ bitmaps, so we must search the originals for that. */
+ if (old_state != GFS2_BLKST_UNLINKED && bi->bi_clone)
blk = gfs2_bitfit(rgd, bi->bi_clone + bi->bi_offset,
bi->bi_len, goal, old_state);
else
-
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