diff options
Diffstat (limited to 'drivers/scsi/sg.c')
| -rw-r--r-- | drivers/scsi/sg.c | 17 |
1 files changed, 10 insertions, 7 deletions
diff --git a/drivers/scsi/sg.c b/drivers/scsi/sg.c index 861e51375d70..d86d5c26061d 100644 --- a/drivers/scsi/sg.c +++ b/drivers/scsi/sg.c @@ -49,6 +49,7 @@ static int sg_version_num = 30533; /* 2 digits for each component */ #include <linux/seq_file.h> #include <linux/blkdev.h> #include <linux/delay.h> +#include <linux/scatterlist.h> #include "scsi.h" #include <scsi/scsi_dbg.h> @@ -1886,13 +1887,17 @@ st_unmap_user_pages(struct scatterlist *sgl, const unsigned int nr_pages, int i; for (i=0; i < nr_pages; i++) { - if (dirtied && !PageReserved(sgl[i].page)) - SetPageDirty(sgl[i].page); - /* unlock_page(sgl[i].page); */ + struct page *page = sgl[i].page; + + /* XXX: just for debug. Remove when PageReserved is removed */ + BUG_ON(PageReserved(page)); + if (dirtied) + SetPageDirty(page); + /* unlock_page(page); */ /* FIXME: cache flush missing for rw==READ * FIXME: call the correct reference counting function */ - page_cache_release(sgl[i].page); + page_cache_release(page); } return 0; @@ -1992,9 +1997,7 @@ sg_build_indirect(Sg_scatter_hold * schp, Sg_fd * sfp, int buff_size) if (!p) break; } - sclp->page = virt_to_page(p); - sclp->offset = offset_in_page(p); - sclp->length = ret_sz; + sg_set_buf(sclp, p, ret_sz); SCSI_LOG_TIMEOUT(5, printk("sg_build_build: k=%d, a=0x%p, len=%d\n", k, sg_scatg2virt(sclp), ret_sz)); |