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[PATCH] Make address_space_operations->sync_page return void

Browse source 
The only user ignores the return value, and the only instanace
(block_sync_page) always returns 0...

Signed-off-by: Neil Brown <neilb@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
NeilBrown 2006-03-26 01:37:17 -08:00 committed by Linus Torvalds
parent 5f921ae96f
commit 3978d7179d
4 changed files with 7 additions and 6 deletions
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3
fs/buffer.c
View file

@ -3007,7 +3007,7 @@ out:
}
EXPORT_SYMBOL(try_to_free_buffers);
int block_sync_page(struct page *page)
void block_sync_page(struct page *page)
{
struct address_space *mapping;
@ -3015,7 +3015,6 @@ int block_sync_page(struct page *page)
mapping = page_mapping(page);
if (mapping)
blk_run_backing_dev(mapping->backing_dev_info, page);
return 0;
}
/*

6
fs/cifs/file.c
View file

@ -1339,7 +1339,7 @@ int cifs_fsync(struct file *file, struct dentry *dentry, int datasync)
return rc;
}
/* static int cifs_sync_page(struct page *page)
/* static void cifs_sync_page(struct page *page)
{
struct address_space *mapping;
struct inode *inode;
@ -1353,16 +1353,18 @@ int cifs_fsync(struct file *file, struct dentry *dentry, int datasync)
return 0;
inode = mapping->host;
if (!inode)
return 0; */
return; */
/* fill in rpages then
result = cifs_pagein_inode(inode, index, rpages); */ /* BB finish */
/* cFYI(1, ("rpages is %d for sync page of Index %ld ", rpages, index));
#if 0
if (rc < 0)
return rc;
return 0;
#endif
} */
/*

2
include/linux/buffer_head.h
View file

@ -200,7 +200,7 @@ int cont_prepare_write(struct page*, unsigned, unsigned, get_block_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_sync_page(struct page *);
void block_sync_page(struct page *);
sector_t generic_block_bmap(struct address_space *, sector_t, get_block_t *);
int generic_commit_write(struct file *, struct page *, unsigned, unsigned);
int block_truncate_page(struct address_space *, loff_t, get_block_t *);

2
include/linux/fs.h
View file

@ -350,7 +350,7 @@ struct writeback_control;
struct address_space_operations {
int (*writepage)(struct page *page, struct writeback_control *wbc);
int (*readpage)(struct file *, struct page *);
int (*sync_page)(struct page *);
void (*sync_page)(struct page *);
/* Write back some dirty pages from this mapping. */
int (*writepages)(struct address_space *, struct writeback_control *);