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fs: remove anon_set_page_dirty()

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Use __set_page_dirty_no_writeback() instead.  This will set the dirty bit
on the page, which will be used to avoid calling set_page_dirty() in the
future.  It will have no effect on actually writing the page back, as the
pages are not on any LRU lists.

Link: https://lkml.kernel.org/r/20210615162342.1669332-5-willy@infradead.org
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Jan Kara <jack@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Matthew Wilcox (Oracle) 2021-06-28 19:36:24 -07:00 committed by Linus Torvalds
parent fd7353f88b
commit fc50eee329
1 changed files with 1 additions and 10 deletions
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11
fs/libfs.c
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@ -1217,19 +1217,10 @@ void kfree_link(void *p)
}
EXPORT_SYMBOL(kfree_link);
/*
* nop .set_page_dirty method so that people can use .page_mkwrite on
* anon inodes.
*/
static int anon_set_page_dirty(struct page *page)
{
return 0;
};
struct inode *alloc_anon_inode(struct super_block *s)
{
static const struct address_space_operations anon_aops = {
.set_page_dirty = anon_set_page_dirty,
.set_page_dirty = __set_page_dirty_no_writeback,
};
struct inode *inode = new_inode_pseudo(s);