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authorIlya Dryomov <idryomov@gmail.com>2011-11-04 09:41:02 -0400
committerChris Mason <chris.mason@oracle.com>2011-11-06 03:11:21 -0500
commit21ca543efc12674fddb22ddf4ea4906427f4e982 (patch)
tree61cebcafbc7605800b6411ea279f634db9c9da15 /fs/btrfs/reada.c
parent9510dc4c62252e96dca44a94948327c76774f25b (diff)
Btrfs: rename btrfs_bio multi -> bbio for consistency
Signed-off-by: Chris Mason <chris.mason@oracle.com>
Diffstat (limited to 'fs/btrfs/reada.c')
-rw-r--r--fs/btrfs/reada.c30
1 files changed, 15 insertions, 15 deletions
diff --git a/fs/btrfs/reada.c b/fs/btrfs/reada.c
index 35eaf6893679..2373b39a132b 100644
--- a/fs/btrfs/reada.c
+++ b/fs/btrfs/reada.c
@@ -247,7 +247,7 @@ int btree_readahead_hook(struct btrfs_root *root, struct extent_buffer *eb,
247 247
248static struct reada_zone *reada_find_zone(struct btrfs_fs_info *fs_info, 248static struct reada_zone *reada_find_zone(struct btrfs_fs_info *fs_info,
249 struct btrfs_device *dev, u64 logical, 249 struct btrfs_device *dev, u64 logical,
250 struct btrfs_bio *multi) 250 struct btrfs_bio *bbio)
251{ 251{
252 int ret; 252 int ret;
253 int looped = 0; 253 int looped = 0;
@@ -297,11 +297,11 @@ again:
297 kref_init(&zone->refcnt); 297 kref_init(&zone->refcnt);
298 zone->elems = 0; 298 zone->elems = 0;
299 zone->device = dev; /* our device always sits at index 0 */ 299 zone->device = dev; /* our device always sits at index 0 */
300 for (i = 0; i < multi->num_stripes; ++i) { 300 for (i = 0; i < bbio->num_stripes; ++i) {
301 /* bounds have already been checked */ 301 /* bounds have already been checked */
302 zone->devs[i] = multi->stripes[i].dev; 302 zone->devs[i] = bbio->stripes[i].dev;
303 } 303 }
304 zone->ndevs = multi->num_stripes; 304 zone->ndevs = bbio->num_stripes;
305 305
306 spin_lock(&fs_info->reada_lock); 306 spin_lock(&fs_info->reada_lock);
307 ret = radix_tree_insert(&dev->reada_zones, 307 ret = radix_tree_insert(&dev->reada_zones,
@@ -327,7 +327,7 @@ static struct reada_extent *reada_find_extent(struct btrfs_root *root,
327 struct reada_extent *re = NULL; 327 struct reada_extent *re = NULL;
328 struct btrfs_fs_info *fs_info = root->fs_info; 328 struct btrfs_fs_info *fs_info = root->fs_info;
329 struct btrfs_mapping_tree *map_tree = &fs_info->mapping_tree; 329 struct btrfs_mapping_tree *map_tree = &fs_info->mapping_tree;
330 struct btrfs_bio *multi = NULL; 330 struct btrfs_bio *bbio = NULL;
331 struct btrfs_device *dev; 331 struct btrfs_device *dev;
332 u32 blocksize; 332 u32 blocksize;
333 u64 length; 333 u64 length;
@@ -361,21 +361,21 @@ again:
361 * map block 361 * map block
362 */ 362 */
363 length = blocksize; 363 length = blocksize;
364 ret = btrfs_map_block(map_tree, REQ_WRITE, logical, &length, &multi, 0); 364 ret = btrfs_map_block(map_tree, REQ_WRITE, logical, &length, &bbio, 0);
365 if (ret || !multi || length < blocksize) 365 if (ret || !bbio || length < blocksize)
366 goto error; 366 goto error;
367 367
368 if (multi->num_stripes > MAX_MIRRORS) { 368 if (bbio->num_stripes > MAX_MIRRORS) {
369 printk(KERN_ERR "btrfs readahead: more than %d copies not " 369 printk(KERN_ERR "btrfs readahead: more than %d copies not "
370 "supported", MAX_MIRRORS); 370 "supported", MAX_MIRRORS);
371 goto error; 371 goto error;
372 } 372 }
373 373
374 for (nzones = 0; nzones < multi->num_stripes; ++nzones) { 374 for (nzones = 0; nzones < bbio->num_stripes; ++nzones) {
375 struct reada_zone *zone; 375 struct reada_zone *zone;
376 376
377 dev = multi->stripes[nzones].dev; 377 dev = bbio->stripes[nzones].dev;
378 zone = reada_find_zone(fs_info, dev, logical, multi); 378 zone = reada_find_zone(fs_info, dev, logical, bbio);
379 if (!zone) 379 if (!zone)
380 break; 380 break;
381 381
@@ -407,11 +407,11 @@ again:
407 goto error; 407 goto error;
408 } 408 }
409 for (i = 0; i < nzones; ++i) { 409 for (i = 0; i < nzones; ++i) {
410 dev = multi->stripes[i].dev; 410 dev = bbio->stripes[i].dev;
411 ret = radix_tree_insert(&dev->reada_extents, index, re); 411 ret = radix_tree_insert(&dev->reada_extents, index, re);
412 if (ret) { 412 if (ret) {
413 while (--i >= 0) { 413 while (--i >= 0) {
414 dev = multi->stripes[i].dev; 414 dev = bbio->stripes[i].dev;
415 BUG_ON(dev == NULL); 415 BUG_ON(dev == NULL);
416 radix_tree_delete(&dev->reada_extents, index); 416 radix_tree_delete(&dev->reada_extents, index);
417 } 417 }
@@ -423,7 +423,7 @@ again:
423 } 423 }
424 spin_unlock(&fs_info->reada_lock); 424 spin_unlock(&fs_info->reada_lock);
425 425
426 kfree(multi); 426 kfree(bbio);
427 return re; 427 return re;
428 428
429error: 429error:
@@ -448,7 +448,7 @@ error:
448 kref_put(&zone->refcnt, reada_zone_release); 448 kref_put(&zone->refcnt, reada_zone_release);
449 spin_unlock(&fs_info->reada_lock); 449 spin_unlock(&fs_info->reada_lock);
450 } 450 }
451 kfree(multi); 451 kfree(bbio);
452 kfree(re); 452 kfree(re);
453 if (looped) 453 if (looped)
454 goto again; 454 goto again;