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btrfs: drop unused parameter from lock_extent_bits

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We've always passed 0. Stack usage will slightly decrease.

Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
David Sterba
2015-12-03 14:30:40 +01:00
parent e83b1d91f8
commit ff13db41f1
8 changed files with 27 additions and 27 deletions
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12
fs/btrfs/extent_io.c
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@@ -1328,13 +1328,13 @@ int clear_record_extent_bits(struct extent_io_tree *tree, u64 start, u64 end,
* us if waiting is desired.
*/
int lock_extent_bits(struct extent_io_tree *tree, u64 start, u64 end,
unsigned bits, struct extent_state **cached_state)
struct extent_state **cached_state)
{
int err;
u64 failed_start;
while (1) {
err = __set_extent_bit(tree, start, end, EXTENT_LOCKED | bits,
err = __set_extent_bit(tree, start, end, EXTENT_LOCKED,
EXTENT_LOCKED, &failed_start,
cached_state, GFP_NOFS, NULL);
if (err == -EEXIST) {
@@ -1349,7 +1349,7 @@ int lock_extent_bits(struct extent_io_tree *tree, u64 start, u64 end,
int lock_extent(struct extent_io_tree *tree, u64 start, u64 end)
{
return lock_extent_bits(tree, start, end, 0, NULL);
return lock_extent_bits(tree, start, end, NULL);
}
int try_lock_extent(struct extent_io_tree *tree, u64 start, u64 end)
@@ -1717,7 +1717,7 @@ again:
BUG_ON(ret); /* Only valid values are 0 and -EAGAIN */
/* step three, lock the state bits for the whole range */
lock_extent_bits(tree, delalloc_start, delalloc_end, 0, &cached_state);
lock_extent_bits(tree, delalloc_start, delalloc_end, &cached_state);
/* then test to make sure it is all still delalloc */
ret = test_range_bit(tree, delalloc_start, delalloc_end,
@@ -4243,7 +4243,7 @@ int extent_invalidatepage(struct extent_io_tree *tree,
if (start > end)
return 0;
lock_extent_bits(tree, start, end, 0, &cached_state);
lock_extent_bits(tree, start, end, &cached_state);
wait_on_page_writeback(page);
clear_extent_bit(tree, start, end,
EXTENT_LOCKED | EXTENT_DIRTY | EXTENT_DELALLOC |
@@ -4453,7 +4453,7 @@ int extent_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo,
last_for_get_extent = isize;
}
lock_extent_bits(&BTRFS_I(inode)->io_tree, start, start + len - 1, 0,
lock_extent_bits(&BTRFS_I(inode)->io_tree, start, start + len - 1,
&cached_state);
em = get_extent_skip_holes(inode, start, last_for_get_extent,