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-rw-r--r--fs/f2fs/segment.c2
1 files changed, 2 insertions, 0 deletions
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;