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libnvdimm, btt: cache sector_size in arena_info 

In preparation for the error clearing rework, add sector_size in the
arena_info struct.

Signed-off-by: Vishal Verma <vishal.l.verma@intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
This commit is contained in:
Vishal Verma 2017-08-30 19:36:01 -06:00 committed by Dan Williams
parent 1398199d84
commit 7589200450
2 changed files with 3 additions and 0 deletions
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1
drivers/nvdimm/btt.c
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@ -566,6 +566,7 @@ static struct arena_info *alloc_arena(struct btt *btt, size_t size,
if (!arena)
return NULL;
arena->nd_btt = btt->nd_btt;
arena->sector_size = btt->sector_size;
if (!size)
return arena;

2
drivers/nvdimm/btt.h
View File

@ -108,6 +108,7 @@ struct aligned_lock {
* handle incoming writes.
* @version_major: Metadata layout version major.
* @version_minor: Metadata layout version minor.
* @sector_size: The Linux sector size - 512 or 4096
* @nextoff: Offset in bytes to the start of the next arena.
* @infooff: Offset in bytes to the info block of this arena.
* @dataoff: Offset in bytes to the data area of this arena.
@ -135,6 +136,7 @@ struct arena_info {
u32 nfree;
u16 version_major;
u16 version_minor;
u32 sector_size;
/* Byte offsets to the different on-media structures */
u64 nextoff;
u64 infooff;