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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/super.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/super.c')
-rw-r--r--fs/logfs/super.c11
1 files changed, 9 insertions, 2 deletions
diff --git a/fs/logfs/super.c b/fs/logfs/super.c
index b60bfac..5866ee6 100644
--- a/fs/logfs/super.c
+++ b/fs/logfs/super.c
@@ -12,6 +12,7 @@
#include "logfs.h"
#include <linux/bio.h>
#include <linux/slab.h>
+#include <linux/blkdev.h>
#include <linux/mtd/mtd.h>
#include <linux/statfs.h>
#include <linux/buffer_head.h>
@@ -137,6 +138,10 @@ static int logfs_sb_set(struct super_block *sb, void *_super)
sb->s_fs_info = super;
sb->s_mtd = super->s_mtd;
sb->s_bdev = super->s_bdev;
+ if (sb->s_bdev)
+ sb->s_bdi = &bdev_get_queue(sb->s_bdev)->backing_dev_info;
+ if (sb->s_mtd)
+ sb->s_bdi = sb->s_mtd->backing_dev_info;
return 0;
}
@@ -452,6 +457,8 @@ static int logfs_read_sb(struct super_block *sb, int read_only)
btree_init_mempool64(&super->s_shadow_tree.new, super->s_btree_pool);
btree_init_mempool64(&super->s_shadow_tree.old, super->s_btree_pool);
+ btree_init_mempool32(&super->s_shadow_tree.segment_map,
+ super->s_btree_pool);
ret = logfs_init_mapping(sb);
if (ret)
@@ -516,8 +523,8 @@ static void logfs_kill_sb(struct super_block *sb)
if (super->s_erase_page)
__free_page(super->s_erase_page);
super->s_devops->put_device(sb);
- mempool_destroy(super->s_btree_pool);
- mempool_destroy(super->s_alias_pool);
+ logfs_mempool_destroy(super->s_btree_pool);
+ logfs_mempool_destroy(super->s_alias_pool);
kfree(super);
log_super("LogFS: Finished unmounting\n");
}
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