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lib/ftl: add comments to ftl_restore's fields

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The structures in this module had no comments, so it was a bit hard to
understand what they're used for.

Change-Id: I439c8a792f02b929006c60933e6b272751b1a675
Signed-off-by: Konrad Sztyber <konrad.sztyber@intel.com>
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/458102
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-by: Mateusz Kozlowski <mateusz.kozlowski@intel.com>
Reviewed-by: Darek Stojaczyk <dariusz.stojaczyk@intel.com>
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
This commit is contained in:
Konrad Sztyber 2019-06-03 11:44:37 +02:00 committed by Ben Walker
parent 0f0af48009
commit 773b7003bc
1 changed files with 12 additions and 12 deletions
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24
lib/ftl/ftl_restore.c
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@ -44,33 +44,33 @@
struct ftl_restore_band { struct ftl_restore_band {
struct ftl_restore *parent; struct ftl_restore *parent;
/* Associated band */
struct ftl_band *band; struct ftl_band *band;
/* Status of retrieving this band's metadata */
enum ftl_md_status md_status; enum ftl_md_status md_status;
/* Padded queue link */
STAILQ_ENTRY(ftl_restore_band) stailq; STAILQ_ENTRY(ftl_restore_band) stailq;
}; };
struct ftl_restore { struct ftl_restore {
struct spdk_ftl_dev *dev; struct spdk_ftl_dev *dev;
/* Completion callback (called for each phase of the restoration) */
ftl_restore_fn cb; ftl_restore_fn cb;
/* Number of inflight IOs */
unsigned int num_ios; unsigned int num_ios;
/* Current band number (index in the below bands array) */
unsigned int current; unsigned int current;
/* Array of bands */
struct ftl_restore_band *bands; struct ftl_restore_band *bands;
/* Queue of bands to be padded (due to unsafe shutdown) */
STAILQ_HEAD(, ftl_restore_band) pad_bands; STAILQ_HEAD(, ftl_restore_band) pad_bands;
/* Status of the padding */
int pad_status; int pad_status;
/* Metadata buffer */
void *md_buf; void *md_buf;
/* LBA map buffer */
void *lba_map; void *lba_map;
/* Indicates we're in the final phase of the restoration */
bool l2p_phase; bool l2p_phase;
}; };