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f2fs: trace __submit_discard_cmd

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Add an even class f2fs_discard for introducing f2fs_queue_discard, then
use f2fs_{queue,issue}_discard to trace __{queue,submit}_discard_cmd.

Signed-off-by: Chao Yu <[email protected]>
Signed-off-by: Jaegeuk Kim <[email protected]>
This commit is contained in:
Chao Yu 2017-04-15 14:09:38 +08:00 • committed by Jaegeuk Kim
commit 0243a5f9da
2 changed files with 18 additions and 2 deletions
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4
fs/f2fs/segment.c
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@ -763,6 +763,8 @@ static void __submit_discard_cmd(struct f2fs_sb_info *sbi,
if (dc->state != D_PREP)
return;
trace_f2fs_issue_discard(dc->bdev, dc->start, dc->len);
dc->error = __blkdev_issue_discard(dc->bdev,
SECTOR_FROM_BLOCK(dc->start),
SECTOR_FROM_BLOCK(dc->len),
@ -942,7 +944,7 @@ static int __queue_discard_cmd(struct f2fs_sb_info *sbi,
{
block_t lblkstart = blkstart;
trace_f2fs_issue_discard(bdev, blkstart, blklen);
trace_f2fs_queue_discard(bdev, blkstart, blklen);
if (sbi->s_ndevs) {
int devi = f2fs_target_device_index(sbi, blkstart);