Christoph Hellwig ea1f0cedef btrfs: handle allocation failure in btrfs_wq_submit_bio gracefully ...

btrfs_wq_submit_bio is used for writeback under memory pressure.
Instead of failing the I/O when we can't allocate the async_submit_bio,
just punt back to the synchronous submission path.

Reviewed-by: Nikolay Borisov <nborisov@suse.com>
Tested-by: Nikolay Borisov <nborisov@suse.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: David Sterba <dsterba@suse.com>

2022-07-25 17:45:40 +02:00

5.7 KiB

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