f2fs: add error prints for debugging mount failure

Add error prints to get more details on the mount failure.

Signed-off-by: Sahitya Tummala <stummala@codeaurora.org>
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>

diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c
index a034e0d..51f5739 100644 (file)
--- a/fs/f2fs/segment.c
+++ b/fs/f2fs/segment.c
@@ -3537,8 +3537,12 @@ static int restore_curseg_summaries(struct f2fs_sb_info *sbi)
 
        /* sanity check for summary blocks */
        if (nats_in_cursum(nat_j) > NAT_JOURNAL_ENTRIES ||
-                       sits_in_cursum(sit_j) > SIT_JOURNAL_ENTRIES)
+                       sits_in_cursum(sit_j) > SIT_JOURNAL_ENTRIES) {
+               f2fs_msg(sbi->sb, KERN_ERR,
+                       "invalid journal entries nats %u sits %u\n",
+                       nats_in_cursum(nat_j), sits_in_cursum(sit_j));
                return -EINVAL;
+       }
 
        return 0;
 }

diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c
index 7b6422d..912e261 100644 (file)
--- a/fs/f2fs/super.c
+++ b/fs/f2fs/super.c
@@ -3305,13 +3305,13 @@ try_onemore:
        err = f2fs_build_segment_manager(sbi);
        if (err) {
                f2fs_msg(sb, KERN_ERR,
-                       "Failed to initialize F2FS segment manager");
+                       "Failed to initialize F2FS segment manager (%d)", err);
                goto free_sm;
        }
        err = f2fs_build_node_manager(sbi);
        if (err) {
                f2fs_msg(sb, KERN_ERR,
-                       "Failed to initialize F2FS node manager");
+                       "Failed to initialize F2FS node manager (%d)", err);
                goto free_nm;
        }