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Message-Id: <20240821154627.11848-4-konishi.ryusuke@gmail.com>
Date: Thu, 22 Aug 2024 00:46:25 +0900
From: Ryusuke Konishi <konishi.ryusuke@...il.com>
To: Andrew Morton <akpm@...ux-foundation.org>
Cc: linux-nilfs@...r.kernel.org,
linux-kernel@...r.kernel.org
Subject: [PATCH 3/5] nilfs2: do not propagate ENOENT error from sufile during recovery
nilfs_sufile_free() returns the error code -ENOENT when the block
where the segment usage should be placed does not exist (hole block
case), but this error should not be propagated upwards to the mount
system call.
In nilfs_prepare_segment_for_recovery(), one of the recovery steps
during mount, nilfs_sufile_free() is used and may return -ENOENT as
is, so in that case return -EINVAL instead.
Signed-off-by: Ryusuke Konishi <konishi.ryusuke@...il.com>
---
fs/nilfs2/recovery.c | 11 ++++++++++-
1 file changed, 10 insertions(+), 1 deletion(-)
diff --git a/fs/nilfs2/recovery.c b/fs/nilfs2/recovery.c
index 61e25a980f73..cd364cd26a97 100644
--- a/fs/nilfs2/recovery.c
+++ b/fs/nilfs2/recovery.c
@@ -433,8 +433,17 @@ static int nilfs_prepare_segment_for_recovery(struct the_nilfs *nilfs,
* The next segment is invalidated by this recovery.
*/
err = nilfs_sufile_free(sufile, segnum[1]);
- if (unlikely(err))
+ if (unlikely(err)) {
+ if (err == -ENOENT) {
+ nilfs_err(sb,
+ "checkpoint log inconsistency at block %llu (segment %llu): next segment %llu is unallocated",
+ (unsigned long long)nilfs->ns_last_pseg,
+ (unsigned long long)nilfs->ns_segnum,
+ (unsigned long long)segnum[1]);
+ err = -EINVAL;
+ }
goto failed;
+ }
for (i = 1; i < 4; i++) {
err = nilfs_segment_list_add(head, segnum[i]);
--
2.34.1
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