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Diffstat (limited to 'fs/btrfs/disk-io.c')
-rw-r--r--fs/btrfs/disk-io.c27
1 files changed, 16 insertions, 11 deletions
diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index 888d72dda794..90a3c50d751b 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -414,9 +414,9 @@ static int btrfs_check_super_csum(struct btrfs_fs_info *fs_info,
return ret;
}
-static int verify_level_key(struct btrfs_fs_info *fs_info,
- struct extent_buffer *eb, int level,
- struct btrfs_key *first_key, u64 parent_transid)
+int btrfs_verify_level_key(struct btrfs_fs_info *fs_info,
+ struct extent_buffer *eb, int level,
+ struct btrfs_key *first_key, u64 parent_transid)
{
int found_level;
struct btrfs_key found_key;
@@ -493,8 +493,8 @@ static int btree_read_extent_buffer_pages(struct btrfs_fs_info *fs_info,
if (verify_parent_transid(io_tree, eb,
parent_transid, 0))
ret = -EIO;
- else if (verify_level_key(fs_info, eb, level,
- first_key, parent_transid))
+ else if (btrfs_verify_level_key(fs_info, eb, level,
+ first_key, parent_transid))
ret = -EUCLEAN;
else
break;
@@ -1017,13 +1017,18 @@ void readahead_tree_block(struct btrfs_fs_info *fs_info, u64 bytenr)
{
struct extent_buffer *buf = NULL;
struct inode *btree_inode = fs_info->btree_inode;
+ int ret;
buf = btrfs_find_create_tree_block(fs_info, bytenr);
if (IS_ERR(buf))
return;
- read_extent_buffer_pages(&BTRFS_I(btree_inode)->io_tree,
- buf, WAIT_NONE, 0);
- free_extent_buffer(buf);
+
+ ret = read_extent_buffer_pages(&BTRFS_I(btree_inode)->io_tree, buf,
+ WAIT_NONE, 0);
+ if (ret < 0)
+ free_extent_buffer_stale(buf);
+ else
+ free_extent_buffer(buf);
}
int reada_tree_block_flagged(struct btrfs_fs_info *fs_info, u64 bytenr,
@@ -1043,12 +1048,12 @@ int reada_tree_block_flagged(struct btrfs_fs_info *fs_info, u64 bytenr,
ret = read_extent_buffer_pages(io_tree, buf, WAIT_PAGE_LOCK,
mirror_num);
if (ret) {
- free_extent_buffer(buf);
+ free_extent_buffer_stale(buf);
return ret;
}
if (test_bit(EXTENT_BUFFER_CORRUPT, &buf->bflags)) {
- free_extent_buffer(buf);
+ free_extent_buffer_stale(buf);
return -EIO;
} else if (extent_buffer_uptodate(buf)) {
*eb = buf;
@@ -1102,7 +1107,7 @@ struct extent_buffer *read_tree_block(struct btrfs_fs_info *fs_info, u64 bytenr,
ret = btree_read_extent_buffer_pages(fs_info, buf, parent_transid,
level, first_key);
if (ret) {
- free_extent_buffer(buf);
+ free_extent_buffer_stale(buf);
return ERR_PTR(ret);
}
return buf;