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fs: Remove pagecache_write_begin() and pagecache_write_end()

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These wrappers have no more users; remove them.

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
This commit is contained in:
Matthew Wilcox (Oracle) 2022-03-03 15:00:20 -05:00
parent c5edd542aa
commit 84a1041c60
2 changed files with 0 additions and 32 deletions
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12
include/linux/fs.h
View File

@ -380,18 +380,6 @@ struct address_space_operations {
extern const struct address_space_operations empty_aops; extern const struct address_space_operations empty_aops;
/*
* pagecache_write_begin/pagecache_write_end must be used by general code
* to write into the pagecache.
*/
int pagecache_write_begin(struct file *, struct address_space *mapping,
loff_t pos, unsigned len, unsigned flags,
struct page **pagep, void **fsdata);
int pagecache_write_end(struct file *, struct address_space *mapping,
loff_t pos, unsigned len, unsigned copied,
struct page *page, void *fsdata);
/** /**
* struct address_space - Contents of a cacheable, mappable object. * struct address_space - Contents of a cacheable, mappable object.
* @host: Owner, either the inode or the block_device. * @host: Owner, either the inode or the block_device.

20
mm/filemap.c
View File

@ -3622,26 +3622,6 @@ struct page *read_cache_page_gfp(struct address_space *mapping,
} }
EXPORT_SYMBOL(read_cache_page_gfp); EXPORT_SYMBOL(read_cache_page_gfp);
int pagecache_write_begin(struct file *file, struct address_space *mapping,
loff_t pos, unsigned len, unsigned flags,
struct page **pagep, void **fsdata)
{
const struct address_space_operations *aops = mapping->a_ops;
return aops->write_begin(file, mapping, pos, len, pagep, fsdata);
}
EXPORT_SYMBOL(pagecache_write_begin);
int pagecache_write_end(struct file *file, struct address_space *mapping,
loff_t pos, unsigned len, unsigned copied,
struct page *page, void *fsdata)
{
const struct address_space_operations *aops = mapping->a_ops;
return aops->write_end(file, mapping, pos, len, copied, page, fsdata);
}
EXPORT_SYMBOL(pagecache_write_end);
/* /*
* Warn about a page cache invalidation failure during a direct I/O write. * Warn about a page cache invalidation failure during a direct I/O write.
*/ */