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Searched refs:st_bp (Results 1 – 2 of 2) sorted by relevance

/Linux-v4.19/drivers/scsi/
Dosst.c5431 static int append_to_buffer(const char __user *ubp, struct osst_buffer *st_bp, int do_count) in append_to_buffer() argument
5435 for (i=0, offset=st_bp->buffer_bytes; in append_to_buffer()
5436 i < st_bp->sg_segs && offset >= st_bp->sg[i].length; i++) in append_to_buffer()
5437 offset -= st_bp->sg[i].length; in append_to_buffer()
5438 if (i == st_bp->sg_segs) { /* Should never happen */ in append_to_buffer()
5442 for ( ; i < st_bp->sg_segs && do_count > 0; i++) { in append_to_buffer()
5443 cnt = st_bp->sg[i].length - offset < do_count ? in append_to_buffer()
5444 st_bp->sg[i].length - offset : do_count; in append_to_buffer()
5445 res = copy_from_user(page_address(sg_page(&st_bp->sg[i])) + offset, ubp, cnt); in append_to_buffer()
5449 st_bp->buffer_bytes += cnt; in append_to_buffer()
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Dst.c3964 static void clear_buffer(struct st_buffer * st_bp) in clear_buffer() argument
3968 for (i=0; i < st_bp->frp_segs; i++) in clear_buffer()
3969 memset(page_address(st_bp->reserved_pages[i]), 0, in clear_buffer()
3970 PAGE_SIZE << st_bp->reserved_page_order); in clear_buffer()
3971 st_bp->cleared = 1; in clear_buffer()
3993 static int append_to_buffer(const char __user *ubp, struct st_buffer * st_bp, int do_count) in append_to_buffer() argument
3996 int length = PAGE_SIZE << st_bp->reserved_page_order; in append_to_buffer()
3998 for (i = 0, offset = st_bp->buffer_bytes; in append_to_buffer()
3999 i < st_bp->frp_segs && offset >= length; i++) in append_to_buffer()
4001 if (i == st_bp->frp_segs) { /* Should never happen */ in append_to_buffer()
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