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btrfs: drop constant param from btrfs_release_extent_buffer_page

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All callers use the same value, simplify the function.

Signed-off-by: David Sterba <dsterba@suse.cz>
This commit is contained in:
David Sterba 2014-07-31 00:51:36 +02:00
parent 2755a0de64
commit a50924e3a4
1 changed files with 6 additions and 9 deletions
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15
fs/btrfs/extent_io.c
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@ -4450,19 +4450,16 @@ int extent_buffer_under_io(struct extent_buffer *eb)
/* /*
* Helper for releasing extent buffer page. * Helper for releasing extent buffer page.
*/ */
static void btrfs_release_extent_buffer_page(struct extent_buffer *eb, static void btrfs_release_extent_buffer_page(struct extent_buffer *eb)
unsigned long start_idx)
{ {
unsigned long index; unsigned long index;
unsigned long num_pages;
struct page *page; struct page *page;
int mapped = !test_bit(EXTENT_BUFFER_DUMMY, &eb->bflags); int mapped = !test_bit(EXTENT_BUFFER_DUMMY, &eb->bflags);
BUG_ON(extent_buffer_under_io(eb)); BUG_ON(extent_buffer_under_io(eb));
num_pages = num_extent_pages(eb->start, eb->len); index = num_extent_pages(eb->start, eb->len);
index = start_idx + num_pages; if (index == 0)
if (start_idx >= index)
return; return;
do { do {
@ -4498,7 +4495,7 @@ static void btrfs_release_extent_buffer_page(struct extent_buffer *eb,
/* One for when we alloced the page */ /* One for when we alloced the page */
page_cache_release(page); page_cache_release(page);
} }
} while (index != start_idx); } while (index != 0);
} }
/* /*
@ -4506,7 +4503,7 @@ static void btrfs_release_extent_buffer_page(struct extent_buffer *eb,
*/ */
static inline void btrfs_release_extent_buffer(struct extent_buffer *eb) static inline void btrfs_release_extent_buffer(struct extent_buffer *eb)
{ {
btrfs_release_extent_buffer_page(eb, 0); btrfs_release_extent_buffer_page(eb);
__free_extent_buffer(eb); __free_extent_buffer(eb);
} }
@ -4863,7 +4860,7 @@ static int release_extent_buffer(struct extent_buffer *eb)
} }
/* Should be safe to release our pages at this point */ /* Should be safe to release our pages at this point */
btrfs_release_extent_buffer_page(eb, 0); btrfs_release_extent_buffer_page(eb);
call_rcu(&eb->rcu_head, btrfs_release_extent_buffer_rcu); call_rcu(&eb->rcu_head, btrfs_release_extent_buffer_rcu);
return 1; return 1;
} }