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authorGoldwyn Rodrigues2019-05-14 18:54:27 -0500
committerDavid Sterba2020-05-25 13:12:53 +0200
commit8cecd0ba854799cda72d03a470e7de9eed3ed6c4 (patch)
tree068594b4b87e65dac33b18629981fbba91b11c61 /include/linux/iomap.h
parentd85dc2e116fdce776280224ed2bee4c78e5e5af2 (diff)
iomap: add a filesystem hook for direct I/O bio submission
This helps filesystems to perform tasks on the bio while submitting for I/O. This could be post-write operations such as data CRC or data replication for fs-handled RAID. Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de> Reviewed-by: Nikolay Borisov <nborisov@suse.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com> Signed-off-by: Goldwyn Rodrigues <rgoldwyn@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'include/linux/iomap.h')
-rw-r--r--include/linux/iomap.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/iomap.h b/include/linux/iomap.h
index 8b09463dae0d..5b4875344874 100644
--- a/include/linux/iomap.h
+++ b/include/linux/iomap.h
@@ -252,6 +252,8 @@ int iomap_writepages(struct address_space *mapping,
struct iomap_dio_ops {
int (*end_io)(struct kiocb *iocb, ssize_t size, int error,
unsigned flags);
+ blk_qc_t (*submit_io)(struct inode *inode, struct iomap *iomap,
+ struct bio *bio, loff_t file_offset);
};
ssize_t iomap_dio_rw(struct kiocb *iocb, struct iov_iter *iter,