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authorAl Viro <viro@zeniv.linux.org.uk>2007-10-08 12:10:13 -0400
committerAl Viro <viro@zeniv.linux.org.uk>2008-10-21 07:48:56 -0400
commit511de73ff09034fb89c8d54bed201a10d057328c (patch)
treec9a6bc97ee65dd35f7370c04beebb51448ee4832 /drivers/block/loop.c
parent33c2dca4957bd0da3e1af7b96d0758d97e708ef6 (diff)
[PATCH] kill the unused bsize on the send side of /dev/loop
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'drivers/block/loop.c')
-rw-r--r--drivers/block/loop.c15
1 files changed, 7 insertions, 8 deletions
diff --git a/drivers/block/loop.c b/drivers/block/loop.c
index 67d7bc812364..3f09cd8bcc38 100644
--- a/drivers/block/loop.c
+++ b/drivers/block/loop.c
@@ -210,7 +210,7 @@ lo_do_transfer(struct loop_device *lo, int cmd,
210 * space operations write_begin and write_end. 210 * space operations write_begin and write_end.
211 */ 211 */
212static int do_lo_send_aops(struct loop_device *lo, struct bio_vec *bvec, 212static int do_lo_send_aops(struct loop_device *lo, struct bio_vec *bvec,
213 int bsize, loff_t pos, struct page *unused) 213 loff_t pos, struct page *unused)
214{ 214{
215 struct file *file = lo->lo_backing_file; /* kudos to NFsckingS */ 215 struct file *file = lo->lo_backing_file; /* kudos to NFsckingS */
216 struct address_space *mapping = file->f_mapping; 216 struct address_space *mapping = file->f_mapping;
@@ -302,7 +302,7 @@ static int __do_lo_send_write(struct file *file,
302 * filesystems. 302 * filesystems.
303 */ 303 */
304static int do_lo_send_direct_write(struct loop_device *lo, 304static int do_lo_send_direct_write(struct loop_device *lo,
305 struct bio_vec *bvec, int bsize, loff_t pos, struct page *page) 305 struct bio_vec *bvec, loff_t pos, struct page *page)
306{ 306{
307 ssize_t bw = __do_lo_send_write(lo->lo_backing_file, 307 ssize_t bw = __do_lo_send_write(lo->lo_backing_file,
308 kmap(bvec->bv_page) + bvec->bv_offset, 308 kmap(bvec->bv_page) + bvec->bv_offset,
@@ -326,7 +326,7 @@ static int do_lo_send_direct_write(struct loop_device *lo,
326 * destination pages of the backing file. 326 * destination pages of the backing file.
327 */ 327 */
328static int do_lo_send_write(struct loop_device *lo, struct bio_vec *bvec, 328static int do_lo_send_write(struct loop_device *lo, struct bio_vec *bvec,
329 int bsize, loff_t pos, struct page *page) 329 loff_t pos, struct page *page)
330{ 330{
331 int ret = lo_do_transfer(lo, WRITE, page, 0, bvec->bv_page, 331 int ret = lo_do_transfer(lo, WRITE, page, 0, bvec->bv_page,
332 bvec->bv_offset, bvec->bv_len, pos >> 9); 332 bvec->bv_offset, bvec->bv_len, pos >> 9);
@@ -341,10 +341,9 @@ static int do_lo_send_write(struct loop_device *lo, struct bio_vec *bvec,
341 return ret; 341 return ret;
342} 342}
343 343
344static int lo_send(struct loop_device *lo, struct bio *bio, int bsize, 344static int lo_send(struct loop_device *lo, struct bio *bio, loff_t pos)
345 loff_t pos)
346{ 345{
347 int (*do_lo_send)(struct loop_device *, struct bio_vec *, int, loff_t, 346 int (*do_lo_send)(struct loop_device *, struct bio_vec *, loff_t,
348 struct page *page); 347 struct page *page);
349 struct bio_vec *bvec; 348 struct bio_vec *bvec;
350 struct page *page = NULL; 349 struct page *page = NULL;
@@ -362,7 +361,7 @@ static int lo_send(struct loop_device *lo, struct bio *bio, int bsize,
362 } 361 }
363 } 362 }
364 bio_for_each_segment(bvec, bio, i) { 363 bio_for_each_segment(bvec, bio, i) {
365 ret = do_lo_send(lo, bvec, bsize, pos, page); 364 ret = do_lo_send(lo, bvec, pos, page);
366 if (ret < 0) 365 if (ret < 0)
367 break; 366 break;
368 pos += bvec->bv_len; 367 pos += bvec->bv_len;
@@ -478,7 +477,7 @@ static int do_bio_filebacked(struct loop_device *lo, struct bio *bio)
478 477
479 pos = ((loff_t) bio->bi_sector << 9) + lo->lo_offset; 478 pos = ((loff_t) bio->bi_sector << 9) + lo->lo_offset;
480 if (bio_rw(bio) == WRITE) 479 if (bio_rw(bio) == WRITE)
481 ret = lo_send(lo, bio, lo->lo_blocksize, pos); 480 ret = lo_send(lo, bio, pos);
482 else 481 else
483 ret = lo_receive(lo, bio, lo->lo_blocksize, pos); 482 ret = lo_receive(lo, bio, lo->lo_blocksize, pos);
484 return ret; 483 return ret;