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f2fs: zone: wait for inflight dio completion, excluding pinned files read using dio

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read for the pinfile using Direct I/O do not wait for dio write.

Signed-off-by: yohan.joung <yohan.joung@sk.com>
Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
This commit is contained in:
yohan.joung 2025-07-22 15:02:40 +09:00 committed by Jaegeuk Kim
parent e6d5e789c3
commit 3bf1bab503
1 changed files with 6 additions and 2 deletions
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8
fs/f2fs/file.c
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@ -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);