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btrfs: make extent_range_clear_dirty_for_io return void

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Does not return any errors, nor anything from the callgraph. There's a
BUG_ON but it's a sanity check and not an error condition we could
recover from.

Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
David Sterba 2015-12-03 13:08:59 +01:00
parent b5227c075b
commit bd1fa4f0b0
2 changed files with 2 additions and 3 deletions
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3
fs/btrfs/extent_io.c
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@ -1451,7 +1451,7 @@ int unlock_extent(struct extent_io_tree *tree, u64 start, u64 end)
GFP_NOFS);
}
int extent_range_clear_dirty_for_io(struct inode *inode, u64 start, u64 end)
void extent_range_clear_dirty_for_io(struct inode *inode, u64 start, u64 end)
{
unsigned long index = start >> PAGE_CACHE_SHIFT;
unsigned long end_index = end >> PAGE_CACHE_SHIFT;
@ -1464,7 +1464,6 @@ int extent_range_clear_dirty_for_io(struct inode *inode, u64 start, u64 end)
page_cache_release(page);
index++;
}
return 0;
}
int extent_range_redirty_for_io(struct inode *inode, u64 start, u64 end)

2
fs/btrfs/extent_io.h
View file

@ -338,7 +338,7 @@ int map_private_extent_buffer(struct extent_buffer *eb, unsigned long offset,
unsigned long min_len, char **map,
unsigned long *map_start,
unsigned long *map_len);
int extent_range_clear_dirty_for_io(struct inode *inode, u64 start, u64 end);
void extent_range_clear_dirty_for_io(struct inode *inode, u64 start, u64 end);
int extent_range_redirty_for_io(struct inode *inode, u64 start, u64 end);
void extent_clear_unlock_delalloc(struct inode *inode, u64 start, u64 end,
struct page *locked_page,