X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=drivers%2Fscsi%2Fst.c;h=98dfd6ea209c69cd42b54fcbad286ac83826d7c7;hb=8c56a347c1dfbe384b1ffb65d8828faa36dbaea4;hp=a4f7b8465773c00a5f56f085c119585199f3f811;hpb=e245befce7af0a1e1347079ed62695b059594bd4;p=linux-2.6 diff --git a/drivers/scsi/st.c b/drivers/scsi/st.c index a4f7b84657..98dfd6ea20 100644 --- a/drivers/scsi/st.c +++ b/drivers/scsi/st.c @@ -1485,7 +1485,7 @@ st_write(struct file *filp, const char __user *buf, size_t count, loff_t * ppos) struct st_buffer *STbp; char *name = tape_name(STp); - if (down_interruptible(&STp->lock)) + if (mutex_lock_interruptible(&STp->lock)) return -ERESTARTSYS; retval = rw_checks(STp, filp, count); @@ -1736,7 +1736,7 @@ st_write(struct file *filp, const char __user *buf, size_t count, loff_t * ppos) if (SRpnt != NULL) st_release_request(SRpnt); release_buffering(STp, 0); - up(&STp->lock); + mutex_unlock(&STp->lock); return retval; } @@ -1942,7 +1942,7 @@ st_read(struct file *filp, char __user *buf, size_t count, loff_t * ppos) struct st_buffer *STbp = STp->buffer; DEB( char *name = tape_name(STp); ) - if (down_interruptible(&STp->lock)) + if (mutex_lock_interruptible(&STp->lock)) return -ERESTARTSYS; retval = rw_checks(STp, filp, count); @@ -2069,7 +2069,7 @@ st_read(struct file *filp, char __user *buf, size_t count, loff_t * ppos) release_buffering(STp, 1); STbp->buffer_bytes = 0; } - up(&STp->lock); + mutex_unlock(&STp->lock); return retval; } @@ -3226,7 +3226,7 @@ static int st_ioctl(struct inode *inode, struct file *file, char *name = tape_name(STp); void __user *p = (void __user *)arg; - if (down_interruptible(&STp->lock)) + if (mutex_lock_interruptible(&STp->lock)) return -ERESTARTSYS; DEB( @@ -3537,7 +3537,7 @@ static int st_ioctl(struct inode *inode, struct file *file, retval = (-EFAULT); goto out; } - up(&STp->lock); + mutex_unlock(&STp->lock); switch (cmd_in) { case SCSI_IOCTL_GET_IDLUN: case SCSI_IOCTL_GET_BUS_NUMBER: @@ -3563,7 +3563,7 @@ static int st_ioctl(struct inode *inode, struct file *file, return retval; out: - up(&STp->lock); + mutex_unlock(&STp->lock); return retval; } @@ -3797,13 +3797,11 @@ static void buf_to_sg(struct st_buffer *STbp, unsigned int length) sg = &(STbp->sg[0]); frp = STbp->frp; for (i=count=0; count < length; i++) { - sg[i].page = frp[i].page; if (length - count > frp[i].length) - sg[i].length = frp[i].length; + sg_set_page(&sg[i], frp[i].page, frp[i].length, 0); else - sg[i].length = length - count; + sg_set_page(&sg[i], frp[i].page, length - count, 0); count += sg[i].length; - sg[i].offset = 0; } STbp->sg_segs = i; STbp->frp_sg_current = length; @@ -4029,7 +4027,7 @@ static int st_probe(struct device *dev) tpnt->density_changed = tpnt->compression_changed = tpnt->blksize_changed = 0; - init_MUTEX(&tpnt->lock); + mutex_init(&tpnt->lock); st_nr_dev++; write_unlock(&st_dev_arr_lock); @@ -4446,15 +4444,13 @@ static int sgl_map_user_pages(struct scatterlist *sgl, const unsigned int max_pa } /* Populate the scatter/gather list */ - sgl[0].page = pages[0]; - sgl[0].offset = uaddr & ~PAGE_MASK; + sg_set_page(&sgl[0], pages[0], 0, uaddr & ~PAGE_MASK); if (nr_pages > 1) { sgl[0].length = PAGE_SIZE - sgl[0].offset; count -= sgl[0].length; for (i=1; i < nr_pages ; i++) { - sgl[i].offset = 0; - sgl[i].page = pages[i]; - sgl[i].length = count < PAGE_SIZE ? count : PAGE_SIZE; + sg_set_page(&sgl[i], pages[i], + count < PAGE_SIZE ? count : PAGE_SIZE, 0);; count -= PAGE_SIZE; } } @@ -4483,7 +4479,7 @@ static int sgl_unmap_user_pages(struct scatterlist *sgl, const unsigned int nr_p int i; for (i=0; i < nr_pages; i++) { - struct page *page = sgl[i].page; + struct page *page = sg_page(&sgl[i]); if (dirtied) SetPageDirty(page);