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btrfs: simplify error handling in __btrfs_write_out_cache()

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The error cleanup gotos in __btrfs_write_out_cache() needlessly jump
back making the code less readable then needed.  Flatten them out so no
back-jump is necessary and the read flow is uninterrupted.

Reviewed-by: Josef Bacik <josef@toxicpanda.com>
Signed-off-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Johannes Thumshirn 2020-02-12 00:10:22 +09:00 committed by David Sterba
parent 1afb648e94
commit fd8efa818c
1 changed files with 11 additions and 13 deletions
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24
fs/btrfs/free-space-cache.c
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@ -1367,18 +1367,6 @@ static int __btrfs_write_out_cache(struct btrfs_root *root, struct inode *inode,
return 0;
out:
io_ctl->inode = NULL;
io_ctl_free(io_ctl);
if (ret) {
invalidate_inode_pages2(inode->i_mapping);
BTRFS_I(inode)->generation = 0;
}
btrfs_update_inode(trans, root, inode);
if (must_iput)
iput(inode);
return ret;
out_nospc_locked:
cleanup_bitmap_list(&bitmap_list);
spin_unlock(&ctl->tree_lock);
@ -1391,7 +1379,17 @@ static int __btrfs_write_out_cache(struct btrfs_root *root, struct inode *inode,
if (block_group && (block_group->flags & BTRFS_BLOCK_GROUP_DATA))
up_write(&block_group->data_rwsem);
goto out;
out:
io_ctl->inode = NULL;
io_ctl_free(io_ctl);
if (ret) {
invalidate_inode_pages2(inode->i_mapping);
BTRFS_I(inode)->generation = 0;
}
btrfs_update_inode(trans, root, inode);
if (must_iput)
iput(inode);
return ret;
}
int btrfs_write_out_cache(struct btrfs_trans_handle *trans,