From ca4b02eeed752c02da0df9da6f9d3c978f9fa9e1 Mon Sep 17 00:00:00 2001 From: Jaegeuk Kim Date: Mon, 27 Oct 2014 11:04:35 -0700 Subject: [PATCH] f2fs: call write_checkpoint under disabled gc During the write_checkpoint, we should avoid f2fs_gc trigger to avoid any filesystem consistency. Signed-off-by: Jaegeuk Kim --- fs/f2fs/segment.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c index 21ccc4816474..d391a5913c79 100644 --- a/fs/f2fs/segment.c +++ b/fs/f2fs/segment.c @@ -1046,7 +1046,9 @@ int f2fs_trim_fs(struct f2fs_sb_info *sbi, struct fstrim_range *range) cpc.trim_minlen = range->minlen >> sbi->log_blocksize; /* do checkpoint to issue discard commands safely */ + mutex_lock(&sbi->gc_mutex); write_checkpoint(sbi, &cpc); + mutex_unlock(&sbi->gc_mutex); out: range->len = cpc.trimmed << sbi->log_blocksize; return 0; -- 2.39.5