From 332fade75d0ecd88cd19556fce0f9cc8322de434 Mon Sep 17 00:00:00 2001 From: Jaegeuk Kim Date: Wed, 9 Oct 2024 19:40:07 +0000 Subject: [PATCH] f2fs: allow parallel DIO reads This fixes a regression which prevents parallel DIO reads. Fixes: 0cac51185e65 ("f2fs: fix to avoid racing in between read and OPU dio write") Reviewed-by: Daeho Jeong Signed-off-by: Jaegeuk Kim --- fs/f2fs/file.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c index 9ae54c4c72fe..321d8ffbab6e 100644 --- a/fs/f2fs/file.c +++ b/fs/f2fs/file.c @@ -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)) {