diff options
Diffstat (limited to 'drivers/scsi/sg.c')
| -rw-r--r-- | drivers/scsi/sg.c | 61 |
1 files changed, 26 insertions, 35 deletions
diff --git a/drivers/scsi/sg.c b/drivers/scsi/sg.c index 4d09a6e4dd2..b55c2a8a547 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> @@ -67,10 +68,6 @@ static int sg_proc_init(void); static void sg_proc_cleanup(void); #endif -#ifndef LINUX_VERSION_CODE -#include <linux/version.h> -#endif /* LINUX_VERSION_CODE */ - #define SG_ALLOW_DIO_DEF 0 #define SG_ALLOW_DIO_CODE /* compile out by commenting this define */ @@ -104,8 +101,8 @@ static int sg_allow_dio = SG_ALLOW_DIO_DEF; #define SG_DEV_ARR_LUMP 32 /* amount to over allocate sg_dev_arr by */ -static int sg_add(struct class_device *); -static void sg_remove(struct class_device *); +static int sg_add(struct class_device *, struct class_interface *); +static void sg_remove(struct class_device *, struct class_interface *); static Scsi_Request *dummy_cmdp; /* only used for sizeof */ @@ -475,8 +472,7 @@ sg_read(struct file *filp, char __user *buf, size_t count, loff_t * ppos) sg_finish_rem_req(srp); retval = count; free_old_hdr: - if (old_hdr) - kfree(old_hdr); + kfree(old_hdr); return retval; } @@ -1497,16 +1493,15 @@ static int sg_alloc(struct gendisk *disk, struct scsi_device *scsidp) overflow: write_unlock_irqrestore(&sg_dev_arr_lock, iflags); - printk(KERN_WARNING - "Unable to attach sg device <%d, %d, %d, %d> type=%d, minor " - "number exceeds %d\n", scsidp->host->host_no, scsidp->channel, - scsidp->id, scsidp->lun, scsidp->type, SG_MAX_DEVS - 1); + sdev_printk(KERN_WARNING, scsidp, + "Unable to attach sg device type=%d, minor " + "number exceeds %d\n", scsidp->type, SG_MAX_DEVS - 1); error = -ENODEV; goto out; } static int -sg_add(struct class_device *cl_dev) +sg_add(struct class_device *cl_dev, struct class_interface *cl_intf) { struct scsi_device *scsidp = to_scsi_device(cl_dev->dev); struct gendisk *disk; @@ -1550,7 +1545,7 @@ sg_add(struct class_device *cl_dev) if (sg_sysfs_valid) { struct class_device * sg_class_member; - sg_class_member = class_device_create(sg_sysfs_class, + sg_class_member = class_device_create(sg_sysfs_class, NULL, MKDEV(SCSI_GENERIC_MAJOR, k), cl_dev->dev, "%s", disk->disk_name); @@ -1566,11 +1561,8 @@ sg_add(struct class_device *cl_dev) } else printk(KERN_WARNING "sg_add: sg_sys INvalid\n"); - printk(KERN_NOTICE - "Attached scsi generic sg%d at scsi%d, channel" - " %d, id %d, lun %d, type %d\n", k, - scsidp->host->host_no, scsidp->channel, scsidp->id, - scsidp->lun, scsidp->type); + sdev_printk(KERN_NOTICE, scsidp, + "Attached scsi generic sg%d type %d\n", k,scsidp->type); return 0; @@ -1582,7 +1574,7 @@ out: } static void -sg_remove(struct class_device *cl_dev) +sg_remove(struct class_device *cl_dev, struct class_interface *cl_intf) { struct scsi_device *scsidp = to_scsi_device(cl_dev->dev); Sg_device *sdp = NULL; @@ -1706,10 +1698,8 @@ exit_sg(void) sg_sysfs_valid = 0; unregister_chrdev_region(MKDEV(SCSI_GENERIC_MAJOR, 0), SG_MAX_DEVS); - if (sg_dev_arr != NULL) { - kfree((char *) sg_dev_arr); - sg_dev_arr = NULL; - } + kfree((char *)sg_dev_arr); + sg_dev_arr = NULL; sg_dev_max = 0; } @@ -1870,9 +1860,11 @@ st_map_user_pages(struct scatterlist *sgl, const unsigned int max_pages, unlock_page(pages[j]); */ res = 0; out_unmap: - if (res > 0) + if (res > 0) { for (j=0; j < res; j++) page_cache_release(pages[j]); + res = 0; + } kfree(pages); return res; } @@ -1886,13 +1878,15 @@ 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; + + 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 +1986,7 @@ 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)); @@ -2644,7 +2636,7 @@ static char * sg_page_malloc(int rqSz, int lowDma, int *retSzp) { char *resp = NULL; - int page_mask; + gfp_t page_mask; int order, a_size; int resSz = rqSz; @@ -2849,8 +2841,7 @@ sg_proc_init(void) struct proc_dir_entry *pdep; struct sg_proc_leaf * leaf; - sg_proc_sgp = create_proc_entry(sg_proc_sg_dirname, - S_IFDIR | S_IRUGO | S_IXUGO, NULL); + sg_proc_sgp = proc_mkdir(sg_proc_sg_dirname, NULL); if (!sg_proc_sgp) return 1; for (k = 0; k < num_leaves; ++k) { |