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authorOmar Sandoval <osandov@fb.com>2018-05-11 13:13:35 -0700
committerDavid Sterba <dsterba@suse.com>2018-05-28 18:23:51 +0200
commitc08db7d8d295a4f3a10faaca376de011afff7950 (patch)
treefb80d9263ef9e7313ff310f900e2783ba9b47124
parent05a5bd7c4decf828f79b62863e520c9ff86eef72 (diff)
Btrfs: don't return ino to ino cache if inode item removal fails
In btrfs_evict_inode(), if btrfs_truncate_inode_items() fails, the inode item will still be in the tree but we still return the ino to the ino cache. That will blow up later when someone tries to allocate that ino, so don't return it to the cache. Fixes: 581bb050941b ("Btrfs: Cache free inode numbers in memory") Reviewed-by: Josef Bacik <jbacik@fb.com> Signed-off-by: Omar Sandoval <osandov@fb.com> Signed-off-by: David Sterba <dsterba@suse.com>
-rw-r--r--fs/btrfs/inode.c25
1 files changed, 13 insertions, 12 deletions
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 06506cd00e4a..73783492a0d1 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -5593,13 +5593,18 @@ void btrfs_evict_inode(struct inode *inode)
trans->block_rsv = rsv;
ret = btrfs_truncate_inode_items(trans, root, inode, 0, 0);
- if (ret != -ENOSPC && ret != -EAGAIN)
+ if (ret) {
+ trans->block_rsv = &fs_info->trans_block_rsv;
+ btrfs_end_transaction(trans);
+ btrfs_btree_balance_dirty(fs_info);
+ if (ret != -ENOSPC && ret != -EAGAIN) {
+ btrfs_orphan_del(NULL, BTRFS_I(inode));
+ btrfs_free_block_rsv(fs_info, rsv);
+ goto no_delete;
+ }
+ } else {
break;
-
- trans->block_rsv = &fs_info->trans_block_rsv;
- btrfs_end_transaction(trans);
- trans = NULL;
- btrfs_btree_balance_dirty(fs_info);
+ }
}
btrfs_free_block_rsv(fs_info, rsv);
@@ -5608,12 +5613,8 @@ void btrfs_evict_inode(struct inode *inode)
* Errors here aren't a big deal, it just means we leave orphan items
* in the tree. They will be cleaned up on the next mount.
*/
- if (ret == 0) {
- trans->block_rsv = root->orphan_block_rsv;
- btrfs_orphan_del(trans, BTRFS_I(inode));
- } else {
- btrfs_orphan_del(NULL, BTRFS_I(inode));
- }
+ trans->block_rsv = root->orphan_block_rsv;
+ btrfs_orphan_del(trans, BTRFS_I(inode));
trans->block_rsv = &fs_info->trans_block_rsv;
if (!(root == fs_info->tree_root ||