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f2fs: fix to return exact trimmed size

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Now, we add all the candidates for trim commands and then finally issue
discard commands.
So, we should count the trimmed size in back-end.

Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
This commit is contained in:
Jaegeuk Kim 2015-06-02 15:48:20 -07:00
parent f62185d0e2
commit f56aa1c57e
1 changed files with 1 additions and 1 deletions
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2
fs/f2fs/segment.c
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@ -544,7 +544,6 @@ static void __add_discard_entry(struct f2fs_sb_info *sbi,
list_add_tail(&new->list, head);
done:
SM_I(sbi)->nr_discards += end - start;
cpc->trimmed += end - start;
}
static void add_discard_addrs(struct f2fs_sb_info *sbi, struct cp_control *cpc)
@ -646,6 +645,7 @@ void clear_prefree_segments(struct f2fs_sb_info *sbi, struct cp_control *cpc)
if (cpc->reason == CP_DISCARD && entry->len < cpc->trim_minlen)
goto skip;
f2fs_issue_discard(sbi, entry->blkaddr, entry->len);
cpc->trimmed += entry->len;
skip:
list_del(&entry->list);
SM_I(sbi)->nr_discards -= entry->len;