summaryrefslogtreecommitdiffstats
path: root/fs/f2fs
diff options
context:
space:
mode:
authorJaegeuk Kim <jaegeuk@kernel.org>2018-05-31 19:20:48 +0200
committerJaegeuk Kim <jaegeuk@kernel.org>2018-05-31 19:20:48 +0200
commite555da9f31210d2b62805cd7faf29228af7c3cfb (patch)
tree26edbabfc941ff45f700af25baf92c7daa3fb2be /fs/f2fs
parentf2fs: turn down IO priority of discard from background (diff)
downloadlinux-e555da9f31210d2b62805cd7faf29228af7c3cfb.tar.xz
linux-e555da9f31210d2b62805cd7faf29228af7c3cfb.zip
f2fs: run fstrim asynchronously if runtime discard is on
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>
Diffstat (limited to 'fs/f2fs')
-rw-r--r--fs/f2fs/segment.c13
1 files changed, 11 insertions, 2 deletions
diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c
index bef74d628f66..b1e58b10425f 100644
--- a/fs/f2fs/segment.c
+++ b/fs/f2fs/segment.c
@@ -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;
}