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Add support for COMPARE_AND_WRITE command

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This commit is contained in:
Ronnie Sahlberg
2012-07-14 11:34:40 +10:00
parent f6705d4691
commit bdd6e6bb11
7 changed files with 126 additions and 0 deletions
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23
lib/sync.c
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@@ -528,6 +528,29 @@ iscsi_write16_sync(struct iscsi_context *iscsi, int lun, uint64_t lba,
return state.task;
}
struct scsi_task *
iscsi_compareandwrite_sync(struct iscsi_context *iscsi, int lun, uint64_t lba,
unsigned char *data, uint32_t datalen, int blocksize,
int wrprotect, int dpo, int fua, int fua_nv, int group_number)
{
struct iscsi_sync_state state;
memset(&state, 0, sizeof(state));
if (iscsi_compareandwrite_task(iscsi, lun, lba,
data, datalen, blocksize, wrprotect,
dpo, fua, fua_nv, group_number,
scsi_sync_cb, &state) == NULL) {
iscsi_set_error(iscsi,
"Failed to send CompareAndWrite command");
return NULL;
}
event_loop(iscsi, &state);
return state.task;
}
struct scsi_task *
iscsi_writeverify10_sync(struct iscsi_context *iscsi, int lun, uint32_t lba,
unsigned char *data, uint32_t datalen, int blocksize,