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Btrfs: fall back to non-inline if we don't have enough space

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commit 2adcac1a73 upstream.

If cow_file_range_inline fails with ENOSPC we abort the transaction which
isn't very nice.  This really shouldn't be happening anyways but there's no
sense in making it a horrible error when we can easily just go allocate
normal data space for this stuff.  Thanks,

Signed-off-by: Josef Bacik <josef@redhat.com>
Acked-by: Chris Mason <chris.mason@fusionio.com>
Cc: Alexandre Oliva <oliva@lsd.ic.unicamp.br>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Josef Bacik 2012-05-23 16:10:14 -04:00 committed by Greg Kroah-Hartman
parent e82c95f9f0
commit 4e050dfccc
1 changed files with 4 additions and 1 deletions
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5
fs/btrfs/inode.c
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@ -257,10 +257,13 @@ static noinline int cow_file_range_inline(struct btrfs_trans_handle *trans,
ret = insert_inline_extent(trans, root, inode, start,
inline_len, compressed_size,
compress_type, compressed_pages);
if (ret) {
if (ret && ret != -ENOSPC) {
btrfs_abort_transaction(trans, root, ret);
return ret;
} else if (ret == -ENOSPC) {
return 1;
}
btrfs_delalloc_release_metadata(inode, end + 1 - start);
btrfs_drop_extent_cache(inode, start, aligned_end - 1, 0);
return 0;