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hfs: convert to new aops 

Signed-off-by: Nick Piggin <npiggin@suse.de>
Cc: Roman Zippel <zippel@linux-m68k.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
wifi-calibration
Nick Piggin 2007-10-16 01:25:09 -07:00 committed by Linus Torvalds
parent d7777a25a0
commit 7903d9eed8
2 changed files with 19 additions and 18 deletions
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19
fs/hfs/extent.c
View File

@ -464,23 +464,20 @@ void hfs_file_truncate(struct inode *inode)
(long long)HFS_I(inode)->phys_size, inode->i_size);
if (inode->i_size > HFS_I(inode)->phys_size) {
struct address_space *mapping = inode->i_mapping;
void *fsdata;
struct page *page;
int res;
/* XXX: Can use generic_cont_expand? */
size = inode->i_size - 1;
page = grab_cache_page(mapping, size >> PAGE_CACHE_SHIFT);
if (!page)
return;
size &= PAGE_CACHE_SIZE - 1;
size++;
res = mapping->a_ops->prepare_write(NULL, page, size, size);
if (!res)
res = mapping->a_ops->commit_write(NULL, page, size, size);
res = pagecache_write_begin(NULL, mapping, size+1, 0,
AOP_FLAG_UNINTERRUPTIBLE, &page, &fsdata);
if (!res) {
res = pagecache_write_end(NULL, mapping, size+1, 0, 0,
page, fsdata);
}
if (res)
inode->i_size = HFS_I(inode)->phys_size;
unlock_page(page);
page_cache_release(page);
mark_inode_dirty(inode);
return;
} else if (inode->i_size == HFS_I(inode)->phys_size)
return;

18
fs/hfs/inode.c
View File

@ -35,10 +35,14 @@ static int hfs_readpage(struct file *file, struct page *page)
return block_read_full_page(page, hfs_get_block);
}
static int hfs_prepare_write(struct file *file, struct page *page, unsigned from, unsigned to)
static int hfs_write_begin(struct file *file, struct address_space *mapping,
loff_t pos, unsigned len, unsigned flags,
struct page **pagep, void **fsdata)
{
return cont_prepare_write(page, from, to, hfs_get_block,
&HFS_I(page->mapping->host)->phys_size);
*pagep = NULL;
return cont_write_begin(file, mapping, pos, len, flags, pagep, fsdata,
hfs_get_block,
&HFS_I(mapping->host)->phys_size);
}
static sector_t hfs_bmap(struct address_space *mapping, sector_t block)
@ -119,8 +123,8 @@ const struct address_space_operations hfs_btree_aops = {
.readpage = hfs_readpage,
.writepage = hfs_writepage,
.sync_page = block_sync_page,
.prepare_write = hfs_prepare_write,
.commit_write = generic_commit_write,
.write_begin = hfs_write_begin,
.write_end = generic_write_end,
.bmap = hfs_bmap,
.releasepage = hfs_releasepage,
};
@ -129,8 +133,8 @@ const struct address_space_operations hfs_aops = {
.readpage = hfs_readpage,
.writepage = hfs_writepage,
.sync_page = block_sync_page,
.prepare_write = hfs_prepare_write,
.commit_write = generic_commit_write,
.write_begin = hfs_write_begin,
.write_end = generic_write_end,
.bmap = hfs_bmap,
.direct_IO = hfs_direct_IO,
.writepages = hfs_writepages,