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With reiserfs no longer using the weird generic_cont_expand, remove it completely. 

Signed-off-by: Nick Piggin <npiggin@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Nick Piggin 2007-10-16 01:25:15 -07:00 committed by Linus Torvalds
parent f7557e8f7f
commit a20fa20c54
2 changed files with 0 additions and 21 deletions
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20
fs/buffer.c
View File

@ -2189,25 +2189,6 @@ out:
return err;
}
int generic_cont_expand(struct inode *inode, loff_t size)
{
unsigned int offset;
offset = (size & (PAGE_CACHE_SIZE - 1)); /* Within page */
/* ugh. in prepare/commit_write, if from==to==start of block, we
* skip the prepare. make sure we never send an offset for the start
* of a block.
* XXX: actually, this should be handled in those filesystems by
* checking for the AOP_FLAG_CONT_EXPAND flag.
*/
if ((offset & (inode->i_sb->s_blocksize - 1)) == 0) {
/* caller must handle this extra byte. */
size++;
}
return generic_cont_expand_simple(inode, size);
}
int cont_expand_zero(struct file *file, struct address_space *mapping,
loff_t pos, loff_t *bytes)
{
@ -3192,7 +3173,6 @@ EXPORT_SYMBOL(file_fsync);
EXPORT_SYMBOL(fsync_bdev);
EXPORT_SYMBOL(generic_block_bmap);
EXPORT_SYMBOL(generic_commit_write);
EXPORT_SYMBOL(generic_cont_expand);
EXPORT_SYMBOL(generic_cont_expand_simple);
EXPORT_SYMBOL(init_buffer);
EXPORT_SYMBOL(invalidate_bdev);

1
include/linux/buffer_head.h
View File

@ -217,7 +217,6 @@ int block_prepare_write(struct page*, unsigned, unsigned, get_block_t*);
int cont_write_begin(struct file *, struct address_space *, loff_t,
unsigned, unsigned, struct page **, void **,
get_block_t *, loff_t *);
int generic_cont_expand(struct inode *inode, loff_t size);
int generic_cont_expand_simple(struct inode *inode, loff_t size);
int block_commit_write(struct page *page, unsigned from, unsigned to);
int block_page_mkwrite(struct vm_area_struct *vma, struct page *page,