| Message ID | 20240226073539.2509926-2-chao@kernel.org (mailing list archive) |
|---|---|
| State | Accepted |
| Commit | a217f1873ab992c9f175d08d951334df173d3d54 |
| Headers | show |
| Series | [f2fs-dev,1/2] f2fs: ro: compress: fix to avoid caching unaligned extent | expand |
diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c index b486fe4485f9..cc27c5440188 100644 --- a/fs/f2fs/segment.c +++ b/fs/f2fs/segment.c @@ -2253,6 +2253,12 @@ int f2fs_start_discard_thread(struct f2fs_sb_info *sbi) 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;
[ 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> --- fs/f2fs/segment.c | 6 ++++++ 1 file changed, 6 insertions(+)