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- Residuals handling fixes, part 1

Browse Source 
- Docs updated
 - Cleanups



git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@1666 d57e44dd-8a1f-0410-8b47-8ef2f437770f
This commit is contained in:
Vladislav Bolkhovitin
2010-04-29 14:00:23 +00:00
parent 91dcd21358
commit 105fd01c57
10 changed files with 127 additions and 100 deletions
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usr/fileio/common.c
+28 -12
View File
@@ -314,6 +314,8 @@ static int do_exec(struct vdisk_cmd *vcmd)
}
}
reply->resp_data_len = cmd->bufflen;
switch (opcode) {
case READ_6:
case WRITE_6:
@@ -1059,8 +1061,11 @@ static void exec_inquiry(struct vdisk_cmd *vcmd)
sBUG_ON(resp_len >= (int)sizeof(buf));
if (length > resp_len)
length = resp_len;
memcpy(address, buf, length);
reply->resp_data_len = length;
if (length < reply->resp_data_len)
reply->resp_data_len = length;
out:
TRACE_EXIT();
@@ -1080,8 +1085,11 @@ static void exec_request_sense(struct vdisk_cmd *vcmd)
l = set_sense(b, sizeof(b), SCST_LOAD_SENSE(scst_sense_no_sense));
length = min(l, length);
memcpy(address, b, length);
reply->resp_data_len = length;
if (length < reply->resp_data_len)
reply->resp_data_len = length;
TRACE_EXIT();
return;
@@ -1318,8 +1326,11 @@ static void exec_mode_sense(struct vdisk_cmd *vcmd)
sBUG_ON(offset >= (int)sizeof(buf));
if (offset > length)
offset = length;
memcpy(address, buf, offset);
reply->resp_data_len = offset;
if (offset < reply->resp_data_len)
reply->resp_data_len = offset;
out:
TRACE_EXIT();
@@ -1420,7 +1431,7 @@ static void exec_read_capacity(struct vdisk_cmd *vcmd)
uint8_t *address = (uint8_t*)(unsigned long)cmd->pbuf;
uint32_t blocksize;
uint64_t nblocks;
uint8_t buffer[READ_CAP_LEN];
uint8_t buffer[8];
TRACE_ENTRY();
@@ -1445,11 +1456,12 @@ static void exec_read_capacity(struct vdisk_cmd *vcmd)
buffer[6] = (blocksize >> (BYTE * 1)) & 0xFF;
buffer[7] = (blocksize >> (BYTE * 0)) & 0xFF;
if (length > READ_CAP_LEN)
length = READ_CAP_LEN;
length = min(length, (int)sizeof(buffer));
memcpy(address, buffer, length);
reply->resp_data_len = length;
if (length < reply->resp_data_len)
reply->resp_data_len = length;
TRACE_EXIT();
return;
@@ -1464,7 +1476,7 @@ static void exec_read_capacity16(struct vdisk_cmd *vcmd)
uint8_t *address = (uint8_t*)(unsigned long)cmd->pbuf;
uint32_t blocksize;
uint64_t nblocks;
uint8_t buffer[READ_CAP16_LEN];
uint8_t buffer[32];
TRACE_ENTRY();
@@ -1506,11 +1518,12 @@ static void exec_read_capacity16(struct vdisk_cmd *vcmd)
break;
}
if (length > READ_CAP16_LEN)
length = READ_CAP16_LEN;
length = min(length, (int)sizeof(buffer));
memcpy(address, buffer, length);
reply->resp_data_len = length;
if (length < reply->resp_data_len)
reply->resp_data_len = length;
TRACE_EXIT();
return;
@@ -1585,8 +1598,11 @@ static void exec_read_toc(struct vdisk_cmd *vcmd)
if (off > length)
off = length;
memcpy(address, buffer, off);
reply->resp_data_len = off;
if (off < reply->resp_data_len)
reply->resp_data_len = off;
out:
TRACE_EXIT();