lk/linux-kernel-test
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

f2fs: run fstrim asynchronously if runtime discard is on

Browse Source 
We don't need to wait for whole bunch of discard candidates in fstrim, since
runtime discard will issue them in idle time.

Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
This commit is contained in:
Jaegeuk Kim 2018-05-31 10:20:48 -07:00
parent cba608493d
commit e555da9f31
1 changed files with 11 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
fs/f2fs/segment.c
View File

@ -2439,9 +2439,18 @@ int f2fs_trim_fs(struct f2fs_sb_info *sbi, struct fstrim_range *range)
__init_discard_policy(sbi, &dpolicy, DPOLICY_FSTRIM, cpc.trim_minlen);
__issue_discard_cmd_range(sbi, &dpolicy, start_block, end_block);
trimmed = __wait_discard_cmd_range(sbi, &dpolicy,
/*
* We filed discard candidates, but actually we don't need to wait for
* all of them, since they'll be issued in idle time along with runtime
* discard option. User configuration looks like using runtime discard
* or periodic fstrim instead of it.
*/
if (!test_opt(sbi, DISCARD)) {
trimmed = __wait_discard_cmd_range(sbi, &dpolicy,
start_block, end_block);
range->len = F2FS_BLK_TO_BYTES(trimmed);
range->len = F2FS_BLK_TO_BYTES(trimmed);
}
out:
return err;
}