diff options
| author | Christoph Hellwig <hch@lst.de> | 2022-06-17 13:04:12 +0300 |
|---|---|---|
| committer | David Sterba <dsterba@suse.com> | 2022-07-25 18:45:40 +0300 |
| commit | ea1f0cedefe9abd903a35900e4c1ba3e0413b017 (patch) | |
| tree | b601226eadb4e20278177a2dc1603fcbbb93a7d3 /fs/btrfs/disk-io.h | |
| parent | 82443fd55c5adb0643f28fb7576a8605d0d41485 (diff) | |
| download | linux-ea1f0cedefe9abd903a35900e4c1ba3e0413b017.tar.xz | |
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>
Diffstat (limited to 'fs/btrfs/disk-io.h')
| -rw-r--r-- | fs/btrfs/disk-io.h | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/fs/btrfs/disk-io.h b/fs/btrfs/disk-io.h index 05e779a41a99..8993b428e09c 100644 --- a/fs/btrfs/disk-io.h +++ b/fs/btrfs/disk-io.h @@ -114,9 +114,9 @@ int btrfs_buffer_uptodate(struct extent_buffer *buf, u64 parent_transid, int atomic); int btrfs_read_extent_buffer(struct extent_buffer *buf, u64 parent_transid, int level, struct btrfs_key *first_key); -blk_status_t btrfs_wq_submit_bio(struct inode *inode, struct bio *bio, - int mirror_num, u64 dio_file_offset, - extent_submit_bio_start_t *submit_bio_start); +bool btrfs_wq_submit_bio(struct inode *inode, struct bio *bio, int mirror_num, + u64 dio_file_offset, + extent_submit_bio_start_t *submit_bio_start); blk_status_t btrfs_submit_bio_done(void *private_data, struct bio *bio, int mirror_num); int btrfs_alloc_log_tree_node(struct btrfs_trans_handle *trans, |