read for the pinfile using Direct I/O do not wait for dio write.
Signed-off-by: yohan.joung <yohan.joung@sk.com>
---
fs/f2fs/file.c | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)
diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c
index 4039ccb5022c..58a4d25eb08f 100644
--- a/fs/f2fs/file.c
+++ b/fs/f2fs/file.c
@@ -4834,6 +4834,7 @@ static ssize_t f2fs_file_read_iter(struct kiocb *iocb, struct iov_iter *to)
struct inode *inode = file_inode(iocb->ki_filp);
const loff_t pos = iocb->ki_pos;
ssize_t ret;
+ bool dio;
if (!f2fs_is_compress_backend_ready(inode))
return -EOPNOTSUPP;
@@ -4842,12 +4843,15 @@ static ssize_t f2fs_file_read_iter(struct kiocb *iocb, struct iov_iter *to)
f2fs_trace_rw_file_path(iocb->ki_filp, iocb->ki_pos,
iov_iter_count(to), READ);
+ dio = f2fs_should_use_dio(inode, iocb, to);
+
/* In LFS mode, if there is inflight dio, wait for its completion */
if (f2fs_lfs_mode(F2FS_I_SB(inode)) &&
- get_pages(F2FS_I_SB(inode), F2FS_DIO_WRITE))
+ get_pages(F2FS_I_SB(inode), F2FS_DIO_WRITE) &&
+ (!f2fs_is_pinned_file(inode) || !dio))
inode_dio_wait(inode);
- if (f2fs_should_use_dio(inode, iocb, to)) {
+ if (dio) {
ret = f2fs_dio_read_iter(iocb, to);
} else {
ret = filemap_read(iocb, to, 0);
--
2.33.0