Commit 08fdca9e authored by Mark Harmstone's avatar Mark Harmstone Committed by David Sterba
Browse files

btrfs: avoid superfluous calls to free_extent_map() in btrfs_encoded_read() 



Change the control flow of btrfs_encoded_read() so that it doesn't call
free_extent_map() when we know that this has already been done.

Reviewed-by: default avatarAnand Jain <anand.jain@oracle.com>
Signed-off-by: default avatarMark Harmstone <maharmstone@fb.com>
Suggested-by: default avatarAnand Jain <anand.jain@oracle.com>
Reviewed-by: default avatarDavid Sterba <dsterba@suse.com>
Signed-off-by: default avatarDavid Sterba <dsterba@suse.com>
parent e36d1149

fs/btrfs/inode.c

+2 −2
Original line number Diff line number Diff line
@@ -9324,7 +9324,7 @@ ssize_t btrfs_encoded_read(struct kiocb *iocb, struct iov_iter *iter, 
		ret = btrfs_encoded_read_inline(iocb, iter, start, lockend,

						cached_state, extent_start,

						count, encoded, &unlocked);

		goto out_em;

		goto out_unlock_extent;

	}



	/*
@@ -9384,7 +9384,7 @@ ssize_t btrfs_encoded_read(struct kiocb *iocb, struct iov_iter *iter, 
			ret = -EFAULT;

	} else {

		ret = -EIOCBQUEUED;

		goto out_em;

		goto out_unlock_extent;

	}



out_em: