The patch titled
Subject: ocfs2: extend enough credits for freeing one truncate record while replaying truncate records
has been added to the -mm tree. Its filename is
extend-enough-credits-for-freeing-one-truncate-record-while-replaying-truncate-records.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/extend-enough-credits-for-freeing-one-truncate-record-while-replaying-truncate-records.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/extend-enough-credits-for-freeing-one-truncate-record-while-replaying-truncate-records.patch
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------------------------------------------------------
From: Xue jiufei <xuejiufei@xxxxxxxxxx>
Subject: ocfs2: extend enough credits for freeing one truncate record while replaying truncate records
Now function ocfs2_replay_truncate_records() first modifies tl_used, then
calls ocfs2_extend_trans() to extend transactions for gd and alloc inode
used for freeing clusters. jbd2_journal_restart() may be called and it
may happen that tl_used in truncate log is decreased but the clusters are
not freed, which means these clusters are lost. So we should avoid
extending transactions in these two operations.
Signed-off-by: joyce.xue <xuejiufei@xxxxxxxxxx>
Cc: Mark Fasheh <mfasheh@xxxxxxxx>
Cc: Joel Becker <jlbec@xxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
fs/ocfs2/alloc.c | 19 ++++++++-----------
1 file changed, 8 insertions(+), 11 deletions(-)
diff -puN fs/ocfs2/alloc.c~extend-enough-credits-for-freeing-one-truncate-record-while-replaying-truncate-records fs/ocfs2/alloc.c
--- a/fs/ocfs2/alloc.c~extend-enough-credits-for-freeing-one-truncate-record-while-replaying-truncate-records
+++ a/fs/ocfs2/alloc.c
@@ -5975,16 +5975,6 @@ static int ocfs2_replay_truncate_records
ocfs2_journal_dirty(handle, tl_bh);
- /* TODO: Perhaps we can calculate the bulk of the
- * credits up front rather than extending like
- * this. */
- status = ocfs2_extend_trans(handle,
- OCFS2_TRUNCATE_LOG_FLUSH_ONE_REC);
- if (status < 0) {
- mlog_errno(status);
- goto bail;
- }
-
rec = tl->tl_recs[i];
start_blk = ocfs2_clusters_to_blocks(data_alloc_inode->i_sb,
le32_to_cpu(rec.t_start));
@@ -6005,6 +5995,13 @@ static int ocfs2_replay_truncate_records
goto bail;
}
}
+
+ status = ocfs2_extend_trans(handle,
+ OCFS2_TRUNCATE_LOG_FLUSH_ONE_REC);
+ if (status < 0) {
+ mlog_errno(status);
+ goto bail;
+ }
i--;
}
@@ -6063,7 +6060,7 @@ int __ocfs2_flush_truncate_log(struct oc
goto out_mutex;
}
- handle = ocfs2_start_trans(osb, OCFS2_TRUNCATE_LOG_UPDATE);
+ handle = ocfs2_start_trans(osb, OCFS2_TRUNCATE_LOG_FLUSH_ONE_REC);
if (IS_ERR(handle)) {
status = PTR_ERR(handle);
mlog_errno(status);
_
Patches currently in -mm which might be from xuejiufei@xxxxxxxxxx are
ocfs2-return-error-while-ocfs2_figure_merge_contig_type-failing.patch
ocfs2-remove-bug_onempty_extent-in-__ocfs2_rotate_tree_left.patch
ocfs2-dlm-fix-race-between-purge-and-get-lock-resource.patch
ocfs2-flush-inode-data-to-disk-and-free-inode-when-i_count-becomes-zero.patch
ocfs2-extend-transaction-for-ocfs2_remove_rightmost_path-and-ocfs2_update_edge_lengths-before-to-avoid-inconsistency-between-inode-and-et.patch
ocfs2-do-not-set-fs-read-only-if-rec-is-empty-while-committing-truncate.patch
extend-enough-credits-for-freeing-one-truncate-record-while-replaying-truncate-records.patch
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