ext4: add tracepoint for ext4_journal_start

[linux-block.git] / fs / ext4 / super.c

diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index 9ea71aa864b3a620667aed2c7fbbe5348341d312..7910e61809e7d658c8c13660a7f0384034dfb5ac 100644 (file)
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -269,6 +269,7 @@ handle_t *ext4_journal_start_sb(struct super_block *sb, int nblocks)
        journal_t *journal;
        handle_t  *handle;
 
+       trace_ext4_journal_start(sb, nblocks, _RET_IP_);
        if (sb->s_flags & MS_RDONLY)
                return ERR_PTR(-EROFS);