diff options
| -rw-r--r-- | drivers/md/dm-ioctl.c | 34 | ||||
| -rw-r--r-- | drivers/md/dm-table.c | 55 | ||||
| -rw-r--r-- | drivers/md/dm.h | 1 |
3 files changed, 52 insertions, 38 deletions
diff --git a/drivers/md/dm-ioctl.c b/drivers/md/dm-ioctl.c index ed8585954a3a..4d4ced8e4307 100644 --- a/drivers/md/dm-ioctl.c +++ b/drivers/md/dm-ioctl.c @@ -1131,28 +1131,9 @@ static int populate_table(struct dm_table *table, next = spec->next; } - r = dm_table_set_type(table); - if (r) { - DMWARN("unable to set table type"); - return r; - } - return dm_table_complete(table); } -static int table_prealloc_integrity(struct dm_table *t, - struct mapped_device *md) -{ - struct list_head *devices = dm_table_get_devices(t); - struct dm_dev_internal *dd; - - list_for_each_entry(dd, devices, list) - if (bdev_get_integrity(dd->dm_dev.bdev)) - return blk_integrity_register(dm_disk(md), NULL); - - return 0; -} - static int table_load(struct dm_ioctl *param, size_t param_size) { int r; @@ -1174,21 +1155,6 @@ static int table_load(struct dm_ioctl *param, size_t param_size) goto out; } - r = table_prealloc_integrity(t, md); - if (r) { - DMERR("%s: could not register integrity profile.", - dm_device_name(md)); - dm_table_destroy(t); - goto out; - } - - r = dm_table_alloc_md_mempools(t); - if (r) { - DMWARN("unable to allocate mempools for this table"); - dm_table_destroy(t); - goto out; - } - /* Protect md->type and md->queue against concurrent table loads. */ dm_lock_md_type(md); if (dm_get_md_type(md) == DM_TYPE_NONE) diff --git a/drivers/md/dm-table.c b/drivers/md/dm-table.c index 9924ea23032d..bc60ef77a0d8 100644 --- a/drivers/md/dm-table.c +++ b/drivers/md/dm-table.c @@ -245,7 +245,7 @@ void dm_table_destroy(struct dm_table *t) msleep(1); smp_mb(); - /* free the indexes (see dm_table_complete) */ + /* free the indexes */ if (t->depth >= 2) vfree(t->index[t->depth - 2]); @@ -778,7 +778,7 @@ int dm_table_add_target(struct dm_table *t, const char *type, return r; } -int dm_table_set_type(struct dm_table *t) +static int dm_table_set_type(struct dm_table *t) { unsigned i; unsigned bio_based = 0, request_based = 0; @@ -900,7 +900,7 @@ static int setup_indexes(struct dm_table *t) /* * Builds the btree to index the map. */ -int dm_table_complete(struct dm_table *t) +static int dm_table_build_index(struct dm_table *t) { int r = 0; unsigned int leaf_nodes; @@ -919,6 +919,55 @@ int dm_table_complete(struct dm_table *t) return r; } +/* + * Register the mapped device for blk_integrity support if + * the underlying devices support it. + */ +static int dm_table_prealloc_integrity(struct dm_table *t, struct mapped_device *md) +{ + struct list_head *devices = dm_table_get_devices(t); + struct dm_dev_internal *dd; + + list_for_each_entry(dd, devices, list) + if (bdev_get_integrity(dd->dm_dev.bdev)) + return blk_integrity_register(dm_disk(md), NULL); + + return 0; +} + +/* + * Prepares the table for use by building the indices, + * setting the type, and allocating mempools. + */ +int dm_table_complete(struct dm_table *t) +{ + int r; + + r = dm_table_set_type(t); + if (r) { + DMERR("unable to set table type"); + return r; + } + + r = dm_table_build_index(t); + if (r) { + DMERR("unable to build btrees"); + return r; + } + + r = dm_table_prealloc_integrity(t, t->md); + if (r) { + DMERR("could not register integrity profile."); + return r; + } + + r = dm_table_alloc_md_mempools(t); + if (r) + DMERR("unable to allocate mempools"); + + return r; +} + static DEFINE_MUTEX(_event_lock); void dm_table_event_callback(struct dm_table *t, void (*fn)(void *), void *context) diff --git a/drivers/md/dm.h b/drivers/md/dm.h index 450fbd98c48c..0d7b374c5dc2 100644 --- a/drivers/md/dm.h +++ b/drivers/md/dm.h @@ -59,7 +59,6 @@ void dm_table_postsuspend_targets(struct dm_table *t); int dm_table_resume_targets(struct dm_table *t); int dm_table_any_congested(struct dm_table *t, int bdi_bits); int dm_table_any_busy_target(struct dm_table *t); -int dm_table_set_type(struct dm_table *t); unsigned dm_table_get_type(struct dm_table *t); bool dm_table_request_based(struct dm_table *t); int dm_table_alloc_md_mempools(struct dm_table *t); |