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Export __set_page_dirty 

XFS currently contains a copy-and-paste of __set_page_dirty().  Export
it from buffer.c instead.

Signed-off-by: Matthew Wilcox <mawilcox@microsoft.com>
Acked-by: Jeff Layton <jlayton@kernel.org>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
This commit is contained in:
Matthew Wilcox 2018-04-10 22:39:01 -07:00 committed by Darrick J. Wong
parent 4919d42ab6
commit fbbb450904
3 changed files with 5 additions and 14 deletions
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3
fs/buffer.c
View File

@ -594,7 +594,7 @@ EXPORT_SYMBOL(mark_buffer_dirty_inode);
*
* The caller must hold lock_page_memcg().
*/
static void __set_page_dirty(struct page *page, struct address_space *mapping,
void __set_page_dirty(struct page *page, struct address_space *mapping,
int warn)
{
unsigned long flags;
@ -608,6 +608,7 @@ static void __set_page_dirty(struct page *page, struct address_space *mapping,
}
spin_unlock_irqrestore(&mapping->tree_lock, flags);
}
EXPORT_SYMBOL_GPL(__set_page_dirty);
/*
* Add a page to the dirty page list.

15
fs/xfs/xfs_aops.c
View File

@ -1472,19 +1472,8 @@ xfs_vm_set_page_dirty(
newly_dirty = !TestSetPageDirty(page);
spin_unlock(&mapping->private_lock);
if (newly_dirty) {
/* sigh - __set_page_dirty() is static, so copy it here, too */
unsigned long flags;
spin_lock_irqsave(&mapping->tree_lock, flags);
if (page->mapping) { /* Race with truncate? */
WARN_ON_ONCE(!PageUptodate(page));
account_page_dirtied(page, mapping);
radix_tree_tag_set(&mapping->page_tree,
page_index(page), PAGECACHE_TAG_DIRTY);
}
spin_unlock_irqrestore(&mapping->tree_lock, flags);
}
if (newly_dirty)
__set_page_dirty(page, mapping, 1);
unlock_page_memcg(page);
if (newly_dirty)
__mark_inode_dirty(mapping->host, I_DIRTY_PAGES);

1
include/linux/mm.h
View File

@ -1454,6 +1454,7 @@ extern int try_to_release_page(struct page * page, gfp_t gfp_mask);
extern void do_invalidatepage(struct page *page, unsigned int offset,
unsigned int length);
void __set_page_dirty(struct page *, struct address_space *, int warn);
int __set_page_dirty_nobuffers(struct page *page);
int __set_page_dirty_no_writeback(struct page *page);
int redirty_page_for_writepage(struct writeback_control *wbc,