From 03f2c02d8be76d2080c174cd65d2dfcbbf783708 Mon Sep 17 00:00:00 2001 From: Jaegeuk Kim Date: Mon, 14 Jan 2019 10:42:11 -0800 Subject: f2fs: run discard jobs when put_super When we umount f2fs, we need to avoid long delay due to discard commands, which is actually taking tens of seconds, if storage is very slow on UNMAP. So, this patch introduces timeout-based work on it. By default, let me give 5 seconds for discard. Reviewed-by: Chao Yu Signed-off-by: Jaegeuk Kim --- fs/f2fs/sysfs.c | 3 +++ 1 file changed, 3 insertions(+) (limited to 'fs/f2fs/sysfs.c') diff --git a/fs/f2fs/sysfs.c b/fs/f2fs/sysfs.c index 5b83e1d66cb3..18c627e8fc90 100644 --- a/fs/f2fs/sysfs.c +++ b/fs/f2fs/sysfs.c @@ -426,6 +426,8 @@ F2FS_RW_ATTR(F2FS_SBI, f2fs_sb_info, idle_interval, interval_time[REQ_TIME]); F2FS_RW_ATTR(F2FS_SBI, f2fs_sb_info, discard_idle_interval, interval_time[DISCARD_TIME]); F2FS_RW_ATTR(F2FS_SBI, f2fs_sb_info, gc_idle_interval, interval_time[GC_TIME]); +F2FS_RW_ATTR(F2FS_SBI, f2fs_sb_info, + umount_discard_timeout, interval_time[UMOUNT_DISCARD_TIMEOUT]); F2FS_RW_ATTR(F2FS_SBI, f2fs_sb_info, iostat_enable, iostat_enable); F2FS_RW_ATTR(F2FS_SBI, f2fs_sb_info, readdir_ra, readdir_ra); F2FS_RW_ATTR(F2FS_SBI, f2fs_sb_info, gc_pin_file_thresh, gc_pin_file_threshold); @@ -483,6 +485,7 @@ static struct attribute *f2fs_attrs[] = { ATTR_LIST(idle_interval), ATTR_LIST(discard_idle_interval), ATTR_LIST(gc_idle_interval), + ATTR_LIST(umount_discard_timeout), ATTR_LIST(iostat_enable), ATTR_LIST(readdir_ra), ATTR_LIST(gc_pin_file_thresh), -- cgit v1.2.3