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f2fs: allow parallel DIO reads

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This fixes a regression which prevents parallel DIO reads.

Fixes: 0cac51185e ("f2fs: fix to avoid racing in between read and OPU dio write")
Reviewed-by: Daeho Jeong <daehojeong@google.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
This commit is contained in:
Jaegeuk Kim 2024-10-09 19:40:07 +00:00
parent 8cf0b93919
commit 332fade75d
1 changed files with 2 additions and 1 deletions
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3
fs/f2fs/file.c
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@ -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)) {