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(parent: 82443fd) | patch
btrfs: handle allocation failure in btrfs_wq_submit_bio gracefully
authorChristoph Hellwig <hch@lst.de>
Fri, 17 Jun 2022 10:04:12 +0000 (12:04 +0200)
committerDavid Sterba <dsterba@suse.com>
Mon, 25 Jul 2022 15:45:40 +0000 (17:45 +0200)
commitea1f0cedefe9abd903a35900e4c1ba3e0413b017
treeb601226eadb4e20278177a2dc1603fcbbb93a7d3tree | snapshot
parent82443fd55c5adb0643f28fb7576a8605d0d41485commit | diff
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>
fs/btrfs/disk-io.c diff | blob | blame | history
fs/btrfs/disk-io.h diff | blob | blame | history
fs/btrfs/inode.c diff | blob | blame | history
Linux 6.x block layer and io_uring tree(s)