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scst_vdisk: Allow cluster_mode to be set during device creation

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Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com>
This commit is contained in:
Bart Van Assche
2015-09-04 09:15:25 -07:00
parent af92e2b4c9
commit 7a12e83687
1 changed files with 9 additions and 1 deletions
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scst/src/dev_handlers/scst_vdisk.c
+9 -1
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@@ -195,6 +195,8 @@ struct scst_vdisk_dev {
scst_mutex and suspended activities */
uint16_t command_set_version;
unsigned int initial_cluster_mode:1;
/* All 14 protected by vdisk_serial_rwlock */
unsigned int t10_vend_id_set:1; /* true if t10_vend_id manually set */
/* true if vend_specific_id manually set */
@@ -1518,6 +1520,7 @@ static int vdisk_attach(struct scst_device *dev)
dev->block_shift = virt_dev->blk_shift;
dev->block_size = 1 << dev->block_shift;
dev->cluster_mode = virt_dev->initial_cluster_mode;
if ((virt_dev->dif_type == 0) &&
((virt_dev->dif_mode != SCST_DIF_MODE_NONE) ||
@@ -7700,6 +7703,10 @@ static int vdev_parse_add_dev_params(struct scst_vdisk_dev *virt_dev,
virt_dev->file_size = val;
} else if (!strcasecmp("size_mb", p)) {
virt_dev->file_size = val * 1024 * 1024;
} else if (!strcasecmp("cluster_mode", p)) {
virt_dev->initial_cluster_mode = val;
TRACE_DBG("CLUSTER_MODE %d",
virt_dev->initial_cluster_mode);
} else if (!strcasecmp("blocksize", p)) {
virt_dev->blk_shift = scst_calc_block_shift(val);
if (virt_dev->blk_shift < 9) {
@@ -7801,7 +7808,8 @@ static int vdev_blockio_add_device(const char *device_name, char *params)
int res = 0;
const char *const allowed_params[] = { "filename", "read_only", "write_through",
"removable", "blocksize", "nv_cache",
"rotational", "thin_provisioned", "tst",
"rotational", "cluster_mode",
"thin_provisioned", "tst",
"dif_mode", "dif_type", "dif_static_app_tag",
"dif_filename", NULL };
struct scst_vdisk_dev *virt_dev;