[ 9299.893835] F2FS-fs (vdd): Allow to mount readonly mode only
mount: /mnt/f2fs: WARNING: source write-protected, mounted read-only.
root@qemu:/ ps -ef|grep f2fs
root 94 2 0 03:46 ? 00:00:00 [kworker/u17:0-f2fs_post_read_wq]
root 6282 2 0 06:21 ? 00:00:00 [f2fs_discard-253:48]
There will be no deletion in readonly image, let's skip starting
discard thread to save system resources.
Signed-off-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
struct discard_cmd_control *dcc = SM_I(sbi)->dcc_info;
int err = 0;
+ if (f2fs_sb_has_readonly(sbi)) {
+ f2fs_info(sbi,
+ "Skip to start discard thread for readonly image");
+ return 0;
+ }
+
if (!f2fs_realtime_discard_enable(sbi))
return 0;