Commit 332fade7 authored by Jaegeuk Kim's avatar Jaegeuk Kim
Browse files

f2fs: allow parallel DIO reads 



This fixes a regression which prevents parallel DIO reads.

Fixes: 0cac5118 ("f2fs: fix to avoid racing in between read and OPU dio write")
Reviewed-by: default avatarDaeho Jeong <daehojeong@google.com>
Signed-off-by: default avatarJaegeuk Kim <jaegeuk@kernel.org>
parent 8cf0b939

fs/f2fs/file.c

+2 −1
Original line number Diff line number Diff line
@@ -4647,7 +4647,8 @@ static ssize_t f2fs_file_read_iter(struct kiocb *iocb, struct iov_iter *to) 
					iov_iter_count(to), READ);



	/* In LFS mode, if there is inflight dio, wait for its completion */

	if (f2fs_lfs_mode(F2FS_I_SB(inode)))

	if (f2fs_lfs_mode(F2FS_I_SB(inode)) &&

	    get_pages(F2FS_I_SB(inode), F2FS_DIO_WRITE))

		inode_dio_wait(inode);



	if (f2fs_should_use_dio(inode, iocb, to)) {