summaryrefslogtreecommitdiff
path: root/fs/f2fs/segment.c
diff options
context:
space:
mode:
Diffstat (limited to 'fs/f2fs/segment.c')
-rw-r--r--fs/f2fs/segment.c27
1 files changed, 16 insertions, 11 deletions
diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c
index d63d89287c53..47b6595a078c 100644
--- a/fs/f2fs/segment.c
+++ b/fs/f2fs/segment.c
@@ -1320,21 +1320,22 @@ next:
return trimmed;
}
-static void __wait_all_discard_cmd(struct f2fs_sb_info *sbi,
+static unsigned int __wait_all_discard_cmd(struct f2fs_sb_info *sbi,
struct discard_policy *dpolicy)
{
struct discard_policy dp;
+ unsigned int discard_blks;
- if (dpolicy) {
- __wait_discard_cmd_range(sbi, dpolicy, 0, UINT_MAX);
- return;
- }
+ if (dpolicy)
+ return __wait_discard_cmd_range(sbi, dpolicy, 0, UINT_MAX);
/* wait all */
__init_discard_policy(sbi, &dp, DPOLICY_FSTRIM, 1);
- __wait_discard_cmd_range(sbi, &dp, 0, UINT_MAX);
+ discard_blks = __wait_discard_cmd_range(sbi, &dp, 0, UINT_MAX);
__init_discard_policy(sbi, &dp, DPOLICY_UMOUNT, 1);
- __wait_discard_cmd_range(sbi, &dp, 0, UINT_MAX);
+ discard_blks += __wait_discard_cmd_range(sbi, &dp, 0, UINT_MAX);
+
+ return discard_blks;
}
/* This should be covered by global mutex, &sit_i->sentry_lock */
@@ -2368,7 +2369,7 @@ bool f2fs_exist_trim_candidates(struct f2fs_sb_info *sbi,
return has_candidate;
}
-static void __issue_discard_cmd_range(struct f2fs_sb_info *sbi,
+static unsigned int __issue_discard_cmd_range(struct f2fs_sb_info *sbi,
struct discard_policy *dpolicy,
unsigned int start, unsigned int end)
{
@@ -2378,6 +2379,7 @@ static void __issue_discard_cmd_range(struct f2fs_sb_info *sbi,
struct discard_cmd *dc;
struct blk_plug plug;
int issued;
+ unsigned int trimmed = 0;
next:
issued = 0;
@@ -2415,7 +2417,7 @@ next:
blk_finish_plug(&plug);
mutex_unlock(&dcc->cmd_lock);
- __wait_all_discard_cmd(sbi, NULL);
+ trimmed += __wait_all_discard_cmd(sbi, NULL);
congestion_wait(BLK_RW_ASYNC, HZ/50);
goto next;
}
@@ -2429,6 +2431,8 @@ skip:
blk_finish_plug(&plug);
mutex_unlock(&dcc->cmd_lock);
+
+ return trimmed;
}
int f2fs_trim_fs(struct f2fs_sb_info *sbi, struct fstrim_range *range)
@@ -2486,9 +2490,10 @@ int f2fs_trim_fs(struct f2fs_sb_info *sbi, struct fstrim_range *range)
end_block = START_BLOCK(sbi, end_segno + 1);
__init_discard_policy(sbi, &dpolicy, DPOLICY_FSTRIM, cpc.trim_minlen);
- __issue_discard_cmd_range(sbi, &dpolicy, start_block, end_block);
+ trimmed = __issue_discard_cmd_range(sbi, &dpolicy,
+ start_block, end_block);
- trimmed = __wait_discard_cmd_range(sbi, &dpolicy,
+ trimmed += __wait_discard_cmd_range(sbi, &dpolicy,
start_block, end_block);
range->len = F2FS_BLK_TO_BYTES(trimmed);
out: