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dm thin metadata: lift __begin_transaction out of __write_initial_superblock 

Lift the call to __begin_transaction out of __write_initial_superblock in
dm-thin-metadata.  Called higher up the call chain now.

Signed-off-by: Joe Thornber <ejt@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
This commit is contained in:
Joe Thornber 2012-07-27 15:08:11 +01:00 committed by Alasdair G Kergon
parent 10d2a9ff7c
commit 270938bac5
1 changed files with 6 additions and 13 deletions
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19
drivers/md/dm-thin-metadata.c
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@ -422,7 +422,6 @@ static void __setup_btree_details(struct dm_pool_metadata *pmd)
pmd->details_info.value_type.equal = NULL;
}
static int __begin_transaction(struct dm_pool_metadata *pmd);
static int __write_initial_superblock(struct dm_pool_metadata *pmd)
{
int r;
@ -478,11 +477,7 @@ static int __write_initial_superblock(struct dm_pool_metadata *pmd)
disk_super->metadata_nr_blocks = cpu_to_le64(bdev_size >> SECTOR_TO_BLOCK_SHIFT);
disk_super->data_block_size = cpu_to_le32(pmd->data_block_size);
r = dm_tm_commit(pmd->tm, sblock);
if (r)
return r;
return __begin_transaction(pmd);
return dm_tm_commit(pmd->tm, sblock);
bad_locked:
dm_bm_unlock(sblock);
@ -800,13 +795,11 @@ struct dm_pool_metadata *dm_pool_metadata_open(struct block_device *bdev,
return ERR_PTR(r);
}
if (!create) {
r = __begin_transaction(pmd);
if (r < 0) {
if (dm_pool_metadata_close(pmd) < 0)
DMWARN("%s: dm_pool_metadata_close() failed.", __func__);
return ERR_PTR(r);
}
r = __begin_transaction(pmd);
if (r < 0) {
if (dm_pool_metadata_close(pmd) < 0)
DMWARN("%s: dm_pool_metadata_close() failed.", __func__);
return ERR_PTR(r);
}
return pmd;