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authorChris Mason <chris.mason@oracle.com>2011-05-21 09:27:38 -0400
committerChris Mason <chris.mason@oracle.com>2011-05-21 09:27:38 -0400
commit0965537308ac3b267ea16e731bd73870a51c53b8 (patch)
tree7b52288b7272b2391f736dd82a313cbbaad68570 /fs/btrfs/disk-io.c
parent61c4f2c81c61f73549928dfd9f3e8f26aa36a8cf (diff)
parent82d5902d9c681be37ffa9d70482907f9f0b7ec1f (diff)
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Merge branch 'ino-alloc' of git://repo.or.cz/linux-btrfs-devel into inode_numbers
Conflicts: fs/btrfs/free-space-cache.c Signed-off-by: Chris Mason <chris.mason@oracle.com>
Diffstat (limited to 'fs/btrfs/disk-io.c')
-rw-r--r--fs/btrfs/disk-io.c19
1 files changed, 19 insertions, 0 deletions
diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index 228cf36..ac1cd20 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -41,6 +41,7 @@
#include "locking.h"
#include "tree-log.h"
#include "free-space-cache.h"
+#include "inode-map.h"
static struct extent_io_ops btree_extent_io_ops;
static void end_workqueue_fn(struct btrfs_work *work);
@@ -1326,6 +1327,19 @@ again:
if (IS_ERR(root))
return root;
+ root->free_ino_ctl = kzalloc(sizeof(*root->free_ino_ctl), GFP_NOFS);
+ if (!root->free_ino_ctl)
+ goto fail;
+ root->free_ino_pinned = kzalloc(sizeof(*root->free_ino_pinned),
+ GFP_NOFS);
+ if (!root->free_ino_pinned)
+ goto fail;
+
+ btrfs_init_free_ino_ctl(root);
+ mutex_init(&root->fs_commit_mutex);
+ spin_lock_init(&root->cache_lock);
+ init_waitqueue_head(&root->cache_wait);
+
set_anon_super(&root->anon_super, NULL);
if (btrfs_root_refs(&root->root_item) == 0) {
@@ -2404,12 +2418,15 @@ int btrfs_free_fs_root(struct btrfs_fs_info *fs_info, struct btrfs_root *root)
if (btrfs_root_refs(&root->root_item) == 0)
synchronize_srcu(&fs_info->subvol_srcu);
+ __btrfs_remove_free_space_cache(root->free_ino_pinned);
+ __btrfs_remove_free_space_cache(root->free_ino_ctl);
free_fs_root(root);
return 0;
}
static void free_fs_root(struct btrfs_root *root)
{
+ iput(root->cache_inode);
WARN_ON(!RB_EMPTY_ROOT(&root->inode_tree));
if (root->anon_super.s_dev) {
down_write(&root->anon_super.s_umount);
@@ -2417,6 +2434,8 @@ static void free_fs_root(struct btrfs_root *root)
}
free_extent_buffer(root->node);
free_extent_buffer(root->commit_root);
+ kfree(root->free_ino_ctl);
+ kfree(root->free_ino_pinned);
kfree(root->name);
kfree(root);
}