Merge tag 'f2fs-6.12-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs

Pull f2fs fix from Jaegeuk Kim:
 "An urgent fix to resolve DIO read performance regression caused by
  'f2fs: fix to avoid racing in between read and OPU dio write'"

* tag 'f2fs-6.12-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs:
  f2fs: allow parallel DIO reads

Author: torvalds

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)) {