[PATCH 08/16] btrfs: btrfs_iget() never returns an is_bad_inode() inode.

[Al Viro]

From: Al Viro <v...@zeniv.linux.org.uk>

just get rid of pointless checks

Cc: Chris Mason <c...@fb.com>
Signed-off-by: Al Viro <v...@zeniv.linux.org.uk>
---
 fs/btrfs/free-space-cache.c | 4 ----
 fs/btrfs/relocation.c       | 7 ++-----
 fs/btrfs/tree-log.c         | 6 +-----
 3 files changed, 3 insertions(+), 14 deletions(-)

diff --git a/fs/btrfs/free-space-cache.c b/fs/btrfs/free-space-cache.c
index d5f80cb300be..79f03b3bbbd4 100644
--- a/fs/btrfs/free-space-cache.c
+++ b/fs/btrfs/free-space-cache.c
@@ -71,10 +71,6 @@ static struct inode *__lookup_free_space_inode(struct 
btrfs_root *root,
        inode = btrfs_iget(fs_info->sb, &location, root, NULL);
        if (IS_ERR(inode))
                return inode;
-       if (is_bad_inode(inode)) {
-               iput(inode);
-               return ERR_PTR(-ENOENT);
-       }
 
        mapping_set_gfp_mask(inode->i_mapping,
                        mapping_gfp_constraint(inode->i_mapping,
diff --git a/fs/btrfs/relocation.c b/fs/btrfs/relocation.c
index 879b76fa881a..f6e8dc134e44 100644
--- a/fs/btrfs/relocation.c
+++ b/fs/btrfs/relocation.c
@@ -3563,11 +3563,8 @@ static int delete_block_group_cache(struct btrfs_fs_info 
*fs_info,
        key.offset = 0;
 
        inode = btrfs_iget(fs_info->sb, &key, root, NULL);
-       if (IS_ERR(inode) || is_bad_inode(inode)) {
-               if (!IS_ERR(inode))
-                       iput(inode);
+       if (IS_ERR(inode))
                return -ENOENT;
-       }
 
 truncate:
        ret = btrfs_check_trunc_cache_free_space(fs_info,
@@ -4284,7 +4281,7 @@ struct inode *create_reloc_inode(struct btrfs_fs_info 
*fs_info,
        key.type = BTRFS_INODE_ITEM_KEY;
        key.offset = 0;
        inode = btrfs_iget(fs_info->sb, &key, root, NULL);
-       BUG_ON(IS_ERR(inode) || is_bad_inode(inode));
+       BUG_ON(IS_ERR(inode));
        BTRFS_I(inode)->index_cnt = group->key.objectid;
 
        err = btrfs_orphan_add(trans, BTRFS_I(inode));
diff --git a/fs/btrfs/tree-log.c b/fs/btrfs/tree-log.c
index f8220ec02036..fcfbe1d8584a 100644
--- a/fs/btrfs/tree-log.c
+++ b/fs/btrfs/tree-log.c
@@ -545,12 +545,8 @@ static noinline struct inode *read_one_inode(struct 
btrfs_root *root,
        key.type = BTRFS_INODE_ITEM_KEY;
        key.offset = 0;
        inode = btrfs_iget(root->fs_info->sb, &key, root, NULL);
-       if (IS_ERR(inode)) {
+       if (IS_ERR(inode))
                inode = NULL;
-       } else if (is_bad_inode(inode)) {
-               iput(inode);
-               inode = NULL;
-       }
        return inode;
 }
 
-- 
2.11.0