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authorLinus Torvalds <torvalds@linux-foundation.org>2010-04-21 12:31:12 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2010-04-21 12:31:12 -0700
commit255f41c59558a346d65a2012420a7573e36dc584 (patch)
treea802e21e60c7e342ad72319853b64e214091b6a9 /fs/logfs/gc.c
parent9befb55ef51ad69dd67e279b0533d4cbc5e4c6c0 (diff)
parentb6349ac89eacb813f6963f7263da05bc3f483351 (diff)
downloadop-kernel-dev-255f41c59558a346d65a2012420a7573e36dc584.zip
op-kernel-dev-255f41c59558a346d65a2012420a7573e36dc584.tar.gz
Merge git://git.kernel.org/pub/scm/linux/kernel/git/joern/logfs
* git://git.kernel.org/pub/scm/linux/kernel/git/joern/logfs: [LogFS] Split large truncated into smaller chunks [LogFS] Set s_bdi [LogFS] Prevent mempool_destroy NULL pointer dereference [LogFS] Move assertion [LogFS] Plug 8 byte information leak [LogFS] Prevent memory corruption on large deletes [LogFS] Remove unused method Fix trivial conflict with added header includes in fs/logfs/super.c
Diffstat (limited to 'fs/logfs/gc.c')
-rw-r--r--fs/logfs/gc.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/fs/logfs/gc.c b/fs/logfs/gc.c
index 84e36f5..76c242f 100644
--- a/fs/logfs/gc.c
+++ b/fs/logfs/gc.c
@@ -459,6 +459,14 @@ static void __logfs_gc_pass(struct super_block *sb, int target)
struct logfs_block *block;
int round, progress, last_progress = 0;
+ /*
+ * Doing too many changes to the segfile at once would result
+ * in a large number of aliases. Write the journal before
+ * things get out of hand.
+ */
+ if (super->s_shadow_tree.no_shadowed_segments >= MAX_OBJ_ALIASES)
+ logfs_write_anchor(sb);
+
if (no_free_segments(sb) >= target &&
super->s_no_object_aliases < MAX_OBJ_ALIASES)
return;
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