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| author | Pekka Enberg <penberg@cs.helsinki.fi> | 2006-06-23 02:05:08 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-06-23 07:43:02 -0700 |
| commit | 090d2b185d8680fc26a2eaf4245d4171dcf4baf1 (patch) | |
| tree | 67e604e3cd1bad3cfd034bced19a0fbff6a80c30 /fs/hfsplus | |
| parent | c330dda908b5a46469a997eea90b66f2f9f02b34 (diff) | |
| download | lwn-090d2b185d8680fc26a2eaf4245d4171dcf4baf1.tar.gz lwn-090d2b185d8680fc26a2eaf4245d4171dcf4baf1.zip | |
[PATCH] read_mapping_page for address space
Add read_mapping_page() which is used for callers that pass
mapping->a_ops->readpage as the filler for read_cache_page. This removes
some duplication from filesystem code.
Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'fs/hfsplus')
| -rw-r--r-- | fs/hfsplus/bitmap.c | 15 | ||||
| -rw-r--r-- | fs/hfsplus/bnode.c | 2 | ||||
| -rw-r--r-- | fs/hfsplus/btree.c | 2 |
3 files changed, 9 insertions, 10 deletions
diff --git a/fs/hfsplus/bitmap.c b/fs/hfsplus/bitmap.c index 9fb51632303c..d128a25b74d2 100644 --- a/fs/hfsplus/bitmap.c +++ b/fs/hfsplus/bitmap.c @@ -31,8 +31,7 @@ int hfsplus_block_allocate(struct super_block *sb, u32 size, u32 offset, u32 *ma dprint(DBG_BITMAP, "block_allocate: %u,%u,%u\n", size, offset, len); mutex_lock(&HFSPLUS_SB(sb).alloc_file->i_mutex); mapping = HFSPLUS_SB(sb).alloc_file->i_mapping; - page = read_cache_page(mapping, offset / PAGE_CACHE_BITS, - (filler_t *)mapping->a_ops->readpage, NULL); + page = read_mapping_page(mapping, offset / PAGE_CACHE_BITS, NULL); pptr = kmap(page); curr = pptr + (offset & (PAGE_CACHE_BITS - 1)) / 32; i = offset % 32; @@ -72,8 +71,8 @@ int hfsplus_block_allocate(struct super_block *sb, u32 size, u32 offset, u32 *ma offset += PAGE_CACHE_BITS; if (offset >= size) break; - page = read_cache_page(mapping, offset / PAGE_CACHE_BITS, - (filler_t *)mapping->a_ops->readpage, NULL); + page = read_mapping_page(mapping, offset / PAGE_CACHE_BITS, + NULL); curr = pptr = kmap(page); if ((size ^ offset) / PAGE_CACHE_BITS) end = pptr + PAGE_CACHE_BITS / 32; @@ -119,8 +118,8 @@ found: set_page_dirty(page); kunmap(page); offset += PAGE_CACHE_BITS; - page = read_cache_page(mapping, offset / PAGE_CACHE_BITS, - (filler_t *)mapping->a_ops->readpage, NULL); + page = read_mapping_page(mapping, offset / PAGE_CACHE_BITS, + NULL); pptr = kmap(page); curr = pptr; end = pptr + PAGE_CACHE_BITS / 32; @@ -167,7 +166,7 @@ int hfsplus_block_free(struct super_block *sb, u32 offset, u32 count) mutex_lock(&HFSPLUS_SB(sb).alloc_file->i_mutex); mapping = HFSPLUS_SB(sb).alloc_file->i_mapping; pnr = offset / PAGE_CACHE_BITS; - page = read_cache_page(mapping, pnr, (filler_t *)mapping->a_ops->readpage, NULL); + page = read_mapping_page(mapping, pnr, NULL); pptr = kmap(page); curr = pptr + (offset & (PAGE_CACHE_BITS - 1)) / 32; end = pptr + PAGE_CACHE_BITS / 32; @@ -199,7 +198,7 @@ int hfsplus_block_free(struct super_block *sb, u32 offset, u32 count) break; set_page_dirty(page); kunmap(page); - page = read_cache_page(mapping, ++pnr, (filler_t *)mapping->a_ops->readpage, NULL); + page = read_mapping_page(mapping, ++pnr, NULL); pptr = kmap(page); curr = pptr; end = pptr + PAGE_CACHE_BITS / 32; diff --git a/fs/hfsplus/bnode.c b/fs/hfsplus/bnode.c index 746abc9ecf70..77bf434da679 100644 --- a/fs/hfsplus/bnode.c +++ b/fs/hfsplus/bnode.c @@ -440,7 +440,7 @@ static struct hfs_bnode *__hfs_bnode_create(struct hfs_btree *tree, u32 cnid) block = off >> PAGE_CACHE_SHIFT; node->page_offset = off & ~PAGE_CACHE_MASK; for (i = 0; i < tree->pages_per_bnode; block++, i++) { - page = read_cache_page(mapping, block, (filler_t *)mapping->a_ops->readpage, NULL); + page = read_mapping_page(mapping, block, NULL); if (IS_ERR(page)) goto fail; if (PageError(page)) { diff --git a/fs/hfsplus/btree.c b/fs/hfsplus/btree.c index effa8991999c..cfc852fdd1b5 100644 --- a/fs/hfsplus/btree.c +++ b/fs/hfsplus/btree.c @@ -38,7 +38,7 @@ struct hfs_btree *hfs_btree_open(struct super_block *sb, u32 id) goto free_tree; mapping = tree->inode->i_mapping; - page = read_cache_page(mapping, 0, (filler_t *)mapping->a_ops->readpage, NULL); + page = read_mapping_page(mapping, 0, NULL); if (IS_ERR(page)) goto free_tree; |