Merge git://git.kernel.org/pub/scm/linux/kernel/git/bart/ide-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/bart/ide-2.6: (95 commits)
ide-tape: remove idetape_config_t typedef
ide-tape: remove mtio.h related comments
ide-tape: make function name more accurate
ide-tape: remove unused sense packet commands.
ide-tape: use generic byteorder macros
ide-tape: remove EXPERIMENTAL driver status
ide-tape: use generic scsi commands
ide-tape: remove struct idetape_block_size_page_t
ide-tape: remove structs os_partition_t, os_dat_entry_t, os_dat_t
ide-tape: remove struct idetape_parameter_block_descriptor_t
ide-tape: remove struct idetape_medium_partition_page_t
ide-tape: remove struct idetape_data_compression_page_t
ide-tape: remove struct idetape_inquiry_result_t
ide-tape: remove struct idetape_capabilities_page_t
ide-tape: remove IDETAPE_DEBUG_BUGS
ide-tape: remove IDETAPE_DEBUG_INFO
ide-tape: dump gcw fields on error in idetape_identify_device()
ide-tape: remove struct idetape_mode_parameter_header_t
ide-tape: remove struct idetape_request_sense_result_t
ide-tape: remove dead code
...
diff --git a/drivers/ieee1394/sbp2.c b/drivers/ieee1394/sbp2.c
index 2b889d9..28e155a 100644
--- a/drivers/ieee1394/sbp2.c
+++ b/drivers/ieee1394/sbp2.c
@@ -1465,10 +1465,9 @@
orb->misc |= ORB_SET_DIRECTION(orb_direction);
/* special case if only one element (and less than 64KB in size) */
- if ((scsi_use_sg == 1) &&
- (sg_dma_len(sg) <= SBP2_MAX_SG_ELEMENT_LENGTH)) {
+ if (scsi_use_sg == 1 && sg->length <= SBP2_MAX_SG_ELEMENT_LENGTH) {
- cmd->dma_size = sg_dma_len(sg);
+ cmd->dma_size = sg->length;
cmd->dma_type = CMD_DMA_PAGE;
cmd->cmd_dma = dma_map_page(hi->host->device.parent,
sg_page(sg), sg->offset,
diff --git a/mm/filemap.c b/mm/filemap.c
index 89ce6fe..76bea88 100644
--- a/mm/filemap.c
+++ b/mm/filemap.c
@@ -1750,7 +1750,11 @@
const struct iovec *iov = i->iov;
size_t base = i->iov_offset;
- while (bytes) {
+ /*
+ * The !iov->iov_len check ensures we skip over unlikely
+ * zero-length segments.
+ */
+ while (bytes || !iov->iov_len) {
int copy = min(bytes, iov->iov_len - base);
bytes -= copy;
@@ -2268,6 +2272,7 @@
cond_resched();
+ iov_iter_advance(i, copied);
if (unlikely(copied == 0)) {
/*
* If we were unable to copy any data at all, we must
@@ -2281,7 +2286,6 @@
iov_iter_single_seg_count(i));
goto again;
}
- iov_iter_advance(i, copied);
pos += copied;
written += copied;
