[PATCH 09/10] dm snapshot: Combine substrings for seven error messages

From: SF Markus Elfring
Date: Thu Sep 29 2016 - 05:17:38 EST


From: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
Date: Thu, 29 Sep 2016 09:46:32 +0200

The script "checkpatch.pl" can point information out like the following.

WARNING: quoted string split across lines

Thus fix the affected source code places.

Signed-off-by: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
---
drivers/md/dm-snap.c | 21 +++++++--------------
1 file changed, 7 insertions(+), 14 deletions(-)

diff --git a/drivers/md/dm-snap.c b/drivers/md/dm-snap.c
index 4966584..7593986 100644
--- a/drivers/md/dm-snap.c
+++ b/drivers/md/dm-snap.c
@@ -468,8 +468,7 @@ static int __validate_exception_handover(struct dm_snapshot *snap)
if ((__find_snapshots_sharing_cow(snap, &snap_src, &snap_dest,
&snap_merge) == 2) ||
snap_dest) {
- snap->ti->error = "Snapshot cow pairing for exception "
- "table handover failed";
+ snap->ti->error = "Snapshot cow pairing for exception table handover failed";
return -EINVAL;
}

@@ -496,8 +495,7 @@ static int __validate_exception_handover(struct dm_snapshot *snap)

if (!snap_src->store->type->prepare_merge ||
!snap_src->store->type->commit_merge) {
- snap->ti->error = "Snapshot exception store does not "
- "support snapshot-merge.";
+ snap->ti->error = "Snapshot exception store does not support snapshot-merge.";
return -EINVAL;
}

@@ -858,8 +856,7 @@ static int __remove_single_exception_chunk(struct dm_snapshot *s,

e = dm_lookup_exception(&s->complete, old_chunk);
if (!e) {
- DMERR("Corruption detected: exception for block %llu is "
- "on disk but not in memory",
+ DMERR("Corruption detected: exception for block %llu is on disk but not in memory",
(unsigned long long)old_chunk);
return -EINVAL;
}
@@ -886,8 +883,7 @@ static int __remove_single_exception_chunk(struct dm_snapshot *s,
e->new_chunk++;
} else if (old_chunk != e->old_chunk +
dm_consecutive_chunk_count(e)) {
- DMERR("Attempt to merge block %llu from the "
- "middle of a chunk range [%llu - %llu]",
+ DMERR("Attempt to merge block %llu from the middle of a chunk range [%llu - %llu]",
(unsigned long long)old_chunk,
(unsigned long long)e->old_chunk,
(unsigned long long)
@@ -980,8 +976,7 @@ static void snapshot_merge_next_chunks(struct dm_snapshot *s)
&new_chunk);
if (linear_chunks <= 0) {
if (linear_chunks < 0) {
- DMERR("Read error in exception store: "
- "shutting down merge");
+ DMERR("Read error in exception store: shutting down merge");
down_write(&s->lock);
s->merge_failed = 1;
up_write(&s->lock);
@@ -1877,12 +1872,10 @@ static int snapshot_preresume(struct dm_target *ti)
if (snap_src && snap_dest) {
down_read(&snap_src->lock);
if (s == snap_src) {
- DMERR("Unable to resume snapshot source until "
- "handover completes.");
+ DMERR("Unable to resume snapshot source until handover completes.");
r = -EINVAL;
} else if (!dm_suspended(snap_src->ti)) {
- DMERR("Unable to perform snapshot handover until "
- "source is suspended.");
+ DMERR("Unable to perform snapshot handover until source is suspended.");
r = -EINVAL;
}
up_read(&snap_src->lock);
--
2.10.0