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authorJoel Becker <joel.becker@oracle.com>2009-04-29 17:55:08 -0700
committerJoel Becker <joel.becker@oracle.com>2009-04-30 13:21:56 -0700
commitdfa13f39b798fee68250abe1aed851395c8b51b5 (patch)
tree9a563954a2b7f34cb005a35152213d734f4763c9 /fs/ocfs2
parent7e31a966ad270ba32a77c157c015cd7c82faaa55 (diff)
ocfs2: Fix a missing credit when deleting from indexed directories.
The ocfs2 directory index updates two blocks when we remove an entry - the dx root and the dx leaf. OCFS2_DELETE_INODE_CREDITS was only accounting for the dx leaf. This shows up when ocfs2_delete_inode() runs out of credits in jbd2_journal_dirty_metadata() at "J_ASSERT_JH(jh, handle->h_buffer_credits > 0);". The test that caught this was running dirop_file_racer from the ocfs2-test suite with a 250-character filename PREFIX. Run on a 512B blocksize, it forces the orphan dir index to grow large enough to trigger. Signed-off-by: Joel Becker <joel.becker@oracle.com>
Diffstat (limited to 'fs/ocfs2')
-rw-r--r--fs/ocfs2/journal.h5
1 files changed, 3 insertions, 2 deletions
diff --git a/fs/ocfs2/journal.h b/fs/ocfs2/journal.h
index 619dd7f6c05..eb7b76331eb 100644
--- a/fs/ocfs2/journal.h
+++ b/fs/ocfs2/journal.h
@@ -437,8 +437,9 @@ static inline int ocfs2_unlink_credits(struct super_block *sb)
}
/* dinode + orphan dir dinode + inode alloc dinode + orphan dir entry +
- * inode alloc group descriptor + orphan dir index leaf */
-#define OCFS2_DELETE_INODE_CREDITS (3 * OCFS2_INODE_UPDATE_CREDITS + 3)
+ * inode alloc group descriptor + orphan dir index root +
+ * orphan dir index leaf */
+#define OCFS2_DELETE_INODE_CREDITS (3 * OCFS2_INODE_UPDATE_CREDITS + 4)
/* dinode update, old dir dinode update, new dir dinode update, old
* dir dir entry, new dir dir entry, dir entry update for renaming