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Merge pull request #128 from plieven/revert_iovector

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socket: rename max_read parameter to count in iscsi_iovector_readv_write...
This commit is contained in:
Ronnie Sahlberg
2014-07-14 06:24:05 -07:00
parent a0d09ca9de 53e38dff7d
commit f0ebbdc203
1 changed files with 4 additions and 4 deletions
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8
lib/socket.c
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@@ -411,7 +411,7 @@ iscsi_queue_length(struct iscsi_context *iscsi)
}
ssize_t
iscsi_iovector_readv_writev(struct iscsi_context *iscsi, struct scsi_iovector *iovector, uint32_t pos, ssize_t max_read, int do_write)
iscsi_iovector_readv_writev(struct iscsi_context *iscsi, struct scsi_iovector *iovector, uint32_t pos, ssize_t count, int do_write)
{
if (iovector->iov == NULL) {
errno = EINVAL;
@@ -452,10 +452,10 @@ iscsi_iovector_readv_writev(struct iscsi_context *iscsi, struct scsi_iovector *i
struct scsi_iovec *iov2 = iov;
int niov=1; /* number of iovectors to pass */
uint32_t len2 = pos + max_read; /* adjust length of iov2 */
uint32_t len2 = pos + count; /* adjust length of iov2 */
/* forward until iov2 points to the last iovec we pass later. it might
happen that we have a lot of iovectors but are limited by max_read */
happen that we have a lot of iovectors but are limited by count */
while (len2 > iov2->iov_len) {
if (iovector->niov <= iovector->consumed+niov-1) {
errno = EINVAL;
@@ -487,7 +487,7 @@ iscsi_iovector_readv_writev(struct iscsi_context *iscsi, struct scsi_iovector *i
iov->iov_len += pos;
iov2->iov_len = _len2;
if (n > max_read) {
if (n > count) {
/* we read/write more bytes than expected, this MUST not happen */
errno = EINVAL;
return -1;