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authorJoern Engel <joern@logfs.org>2011-08-05 11:18:19 +0200
committerPrasad Joshi <prasadjoshi.linux@gmail.com>2012-01-28 11:42:39 +0530
commit1bcceaff8cbe5e5698ccf1015c9a938aa72718c4 (patch)
tree2e36c3d9d5577dbfd3998cab37576a8761cf18fa
parent6c69494f6b442834f26377e02d43fc8e1272221d (diff)
downloadlinux-linaro-stable-1bcceaff8cbe5e5698ccf1015c9a938aa72718c4.tar.gz
logfs: Free areas before calling generic_shutdown_super()
Or hit an assertion in map_invalidatepage() instead. Signed-off-by: Joern Engel <joern@logfs.org>
-rw-r--r--fs/logfs/logfs.h1
-rw-r--r--fs/logfs/segment.c14
-rw-r--r--fs/logfs/super.c1
3 files changed, 12 insertions, 4 deletions
diff --git a/fs/logfs/logfs.h b/fs/logfs/logfs.h
index 0dec29887a8a..59ed32cd62d1 100644
--- a/fs/logfs/logfs.h
+++ b/fs/logfs/logfs.h
@@ -596,6 +596,7 @@ int logfs_init_mapping(struct super_block *sb);
void logfs_sync_area(struct logfs_area *area);
void logfs_sync_segments(struct super_block *sb);
void freeseg(struct super_block *sb, u32 segno);
+void free_areas(struct super_block *sb);
/* area handling */
int logfs_init_areas(struct super_block *sb);
diff --git a/fs/logfs/segment.c b/fs/logfs/segment.c
index 6aee6092860d..ab798ed1cc88 100644
--- a/fs/logfs/segment.c
+++ b/fs/logfs/segment.c
@@ -862,6 +862,16 @@ static void free_area(struct logfs_area *area)
kfree(area);
}
+void free_areas(struct super_block *sb)
+{
+ struct logfs_super *super = logfs_super(sb);
+ int i;
+
+ for_each_area(i)
+ free_area(super->s_area[i]);
+ free_area(super->s_journal_area);
+}
+
static struct logfs_area *alloc_area(struct super_block *sb)
{
struct logfs_area *area;
@@ -944,10 +954,6 @@ err:
void logfs_cleanup_areas(struct super_block *sb)
{
struct logfs_super *super = logfs_super(sb);
- int i;
btree_grim_visitor128(&super->s_object_alias_tree, 0, kill_alias);
- for_each_area(i)
- free_area(super->s_area[i]);
- free_area(super->s_journal_area);
}
diff --git a/fs/logfs/super.c b/fs/logfs/super.c
index f9b7a30b00a3..c9ee7f5d1caf 100644
--- a/fs/logfs/super.c
+++ b/fs/logfs/super.c
@@ -486,6 +486,7 @@ static void logfs_kill_sb(struct super_block *sb)
/* Alias entries slow down mount, so evict as many as possible */
sync_filesystem(sb);
logfs_write_anchor(sb);
+ free_areas(sb);
/*
* From this point on alias entries are simply dropped - and any