[PATCH] f2fs: add error prints for debugging mount failure

From: Sahitya Tummala
Date: Thu May 23 2019 - 00:22:43 EST


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

Signed-off-by: Sahitya Tummala <stummala@xxxxxxxxxxxxxx>
---
fs/f2fs/segment.c | 6 +++++-
fs/f2fs/super.c | 4 ++--
2 files changed, 7 insertions(+), 3 deletions(-)

diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c
index 4896443..bdc6956 100644
--- a/fs/f2fs/segment.c
+++ b/fs/f2fs/segment.c
@@ -3567,8 +3567,12 @@ 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 52f1497..2c9d4f7 100644
--- a/fs/f2fs/super.c
+++ b/fs/f2fs/super.c
@@ -3413,13 +3413,13 @@ static int f2fs_fill_super(struct super_block *sb, void *data, int silent)
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;
}

--
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