diff options
Diffstat (limited to 'fs/btrfs/compression.c')
| -rw-r--r-- | fs/btrfs/compression.c | 23 |
1 files changed, 5 insertions, 18 deletions
diff --git a/fs/btrfs/compression.c b/fs/btrfs/compression.c index a11a32058b50..396039b3a8a2 100644 --- a/fs/btrfs/compression.c +++ b/fs/btrfs/compression.c | |||
| @@ -31,7 +31,7 @@ | |||
| 31 | #include <linux/swap.h> | 31 | #include <linux/swap.h> |
| 32 | #include <linux/writeback.h> | 32 | #include <linux/writeback.h> |
| 33 | #include <linux/bit_spinlock.h> | 33 | #include <linux/bit_spinlock.h> |
| 34 | #include <linux/pagevec.h> | 34 | #include <linux/slab.h> |
| 35 | #include "compat.h" | 35 | #include "compat.h" |
| 36 | #include "ctree.h" | 36 | #include "ctree.h" |
| 37 | #include "disk-io.h" | 37 | #include "disk-io.h" |
| @@ -445,7 +445,6 @@ static noinline int add_ra_bio_pages(struct inode *inode, | |||
| 445 | unsigned long nr_pages = 0; | 445 | unsigned long nr_pages = 0; |
| 446 | struct extent_map *em; | 446 | struct extent_map *em; |
| 447 | struct address_space *mapping = inode->i_mapping; | 447 | struct address_space *mapping = inode->i_mapping; |
| 448 | struct pagevec pvec; | ||
| 449 | struct extent_map_tree *em_tree; | 448 | struct extent_map_tree *em_tree; |
| 450 | struct extent_io_tree *tree; | 449 | struct extent_io_tree *tree; |
| 451 | u64 end; | 450 | u64 end; |
| @@ -461,7 +460,6 @@ static noinline int add_ra_bio_pages(struct inode *inode, | |||
| 461 | 460 | ||
| 462 | end_index = (i_size_read(inode) - 1) >> PAGE_CACHE_SHIFT; | 461 | end_index = (i_size_read(inode) - 1) >> PAGE_CACHE_SHIFT; |
| 463 | 462 | ||
| 464 | pagevec_init(&pvec, 0); | ||
| 465 | while (last_offset < compressed_end) { | 463 | while (last_offset < compressed_end) { |
| 466 | page_index = last_offset >> PAGE_CACHE_SHIFT; | 464 | page_index = last_offset >> PAGE_CACHE_SHIFT; |
| 467 | 465 | ||
| @@ -478,26 +476,17 @@ static noinline int add_ra_bio_pages(struct inode *inode, | |||
| 478 | goto next; | 476 | goto next; |
| 479 | } | 477 | } |
| 480 | 478 | ||
| 481 | page = alloc_page(mapping_gfp_mask(mapping) | GFP_NOFS); | 479 | page = __page_cache_alloc(mapping_gfp_mask(mapping) & |
| 480 | ~__GFP_FS); | ||
| 482 | if (!page) | 481 | if (!page) |
| 483 | break; | 482 | break; |
| 484 | 483 | ||
| 485 | page->index = page_index; | 484 | if (add_to_page_cache_lru(page, mapping, page_index, |
| 486 | /* | 485 | GFP_NOFS)) { |
| 487 | * what we want to do here is call add_to_page_cache_lru, | ||
| 488 | * but that isn't exported, so we reproduce it here | ||
| 489 | */ | ||
| 490 | if (add_to_page_cache(page, mapping, | ||
| 491 | page->index, GFP_NOFS)) { | ||
| 492 | page_cache_release(page); | 486 | page_cache_release(page); |
| 493 | goto next; | 487 | goto next; |
| 494 | } | 488 | } |
| 495 | 489 | ||
| 496 | /* open coding of lru_cache_add, also not exported */ | ||
| 497 | page_cache_get(page); | ||
| 498 | if (!pagevec_add(&pvec, page)) | ||
| 499 | __pagevec_lru_add_file(&pvec); | ||
| 500 | |||
| 501 | end = last_offset + PAGE_CACHE_SIZE - 1; | 490 | end = last_offset + PAGE_CACHE_SIZE - 1; |
| 502 | /* | 491 | /* |
| 503 | * at this point, we have a locked page in the page cache | 492 | * at this point, we have a locked page in the page cache |
| @@ -551,8 +540,6 @@ static noinline int add_ra_bio_pages(struct inode *inode, | |||
| 551 | next: | 540 | next: |
| 552 | last_offset += PAGE_CACHE_SIZE; | 541 | last_offset += PAGE_CACHE_SIZE; |
| 553 | } | 542 | } |
| 554 | if (pagevec_count(&pvec)) | ||
| 555 | __pagevec_lru_add_file(&pvec); | ||
| 556 | return 0; | 543 | return 0; |
| 557 | } | 544 | } |
| 558 | 545 | ||
