imrcpan/erofs-linux
1
0 Fork 0
mirror of git://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs.git synced 2026-10-28 12:53:14 +01:00
Code Issues Packages Projects Releases Wiki Activity

iomap: simplify direct io validity check

Browse Source 
The block layer checks all the segments for validity later, so no need
for an early check. Just reduce it to a simple position and total length
check, and defer the more invasive segment checks to the block layer.

Signed-off-by: Keith Busch <[email protected]>
Reviewed-by: Hannes Reinecke <[email protected]>
Reviewed-by: Martin K. Petersen <[email protected]>
Reviewed-by: Christoph Hellwig <[email protected]>
Signed-off-by: Jens Axboe <[email protected]>
This commit is contained in:
Keith Busch authored and Jens Axboe committed 2025-09-09 10:27:01 -06:00
1 parent 5ff3f74e14
commit 7eac331869
1 file changed
+1 -2
Download Patch File Download Diff File Expand all files Collapse all files
fs/iomap/direct-io.c
+1 -2
View File
@@ -337,8 +337,7 @@ static int iomap_dio_bio_iter(struct iomap_iter *iter, struct iomap_dio *dio)
u64 copied = 0;
size_t orig_count;
if ((pos | length) & (bdev_logical_block_size(iomap->bdev) - 1) ||
!bdev_iter_is_aligned(iomap->bdev, dio->submit.iter))
if ((pos | length) & (bdev_logical_block_size(iomap->bdev) - 1))
return -EINVAL;
if (dio->flags & IOMAP_DIO_WRITE) {