btrfs: drop unused parameter from lock_extent_bits
We've always passed 0. Stack usage will slightly decrease.
Signed-off-by: David Sterba <dsterba@suse.com>
diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index 974be09..68ceed7 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -362,7 +362,7 @@
}
lock_extent_bits(io_tree, eb->start, eb->start + eb->len - 1,
- 0, &cached_state);
+ &cached_state);
if (extent_buffer_uptodate(eb) &&
btrfs_header_generation(eb) == parent_transid) {
ret = 0;
diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c
index 3d9935e..bf98499 100644
--- a/fs/btrfs/extent_io.c
+++ b/fs/btrfs/extent_io.c
@@ -1328,13 +1328,13 @@
* 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(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 @@
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 @@
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 @@
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,
diff --git a/fs/btrfs/extent_io.h b/fs/btrfs/extent_io.h
index 07cae0c..e5726a3 100644
--- a/fs/btrfs/extent_io.h
+++ b/fs/btrfs/extent_io.h
@@ -201,7 +201,7 @@
int try_release_extent_buffer(struct page *page);
int lock_extent(struct extent_io_tree *tree, u64 start, u64 end);
int lock_extent_bits(struct extent_io_tree *tree, u64 start, u64 end,
- unsigned bits, struct extent_state **cached);
+ struct extent_state **cached);
int try_lock_extent(struct extent_io_tree *tree, u64 start, u64 end);
int extent_read_full_page(struct extent_io_tree *tree, struct page *page,
get_extent_t *get_extent, int mirror_num);
diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c
index 977e715..8a00298 100644
--- a/fs/btrfs/file.c
+++ b/fs/btrfs/file.c
@@ -1384,7 +1384,7 @@
if (start_pos < inode->i_size) {
struct btrfs_ordered_extent *ordered;
lock_extent_bits(&BTRFS_I(inode)->io_tree,
- start_pos, last_pos, 0, cached_state);
+ start_pos, last_pos, cached_state);
ordered = btrfs_lookup_ordered_range(inode, start_pos,
last_pos - start_pos + 1);
if (ordered &&
@@ -2384,7 +2384,7 @@
truncate_pagecache_range(inode, lockstart, lockend);
lock_extent_bits(&BTRFS_I(inode)->io_tree, lockstart, lockend,
- 0, &cached_state);
+ &cached_state);
ordered = btrfs_lookup_first_ordered_extent(inode, lockend);
/*
@@ -2691,7 +2691,7 @@
* transaction
*/
lock_extent_bits(&BTRFS_I(inode)->io_tree, alloc_start,
- locked_end, 0, &cached_state);
+ locked_end, &cached_state);
ordered = btrfs_lookup_first_ordered_extent(inode,
alloc_end - 1);
if (ordered &&
@@ -2838,7 +2838,7 @@
lockend--;
len = lockend - lockstart + 1;
- lock_extent_bits(&BTRFS_I(inode)->io_tree, lockstart, lockend, 0,
+ lock_extent_bits(&BTRFS_I(inode)->io_tree, lockstart, lockend,
&cached_state);
while (start < inode->i_size) {
diff --git a/fs/btrfs/free-space-cache.c b/fs/btrfs/free-space-cache.c
index 85a1f86..b688378 100644
--- a/fs/btrfs/free-space-cache.c
+++ b/fs/btrfs/free-space-cache.c
@@ -1261,7 +1261,7 @@
goto out;
lock_extent_bits(&BTRFS_I(inode)->io_tree, 0, i_size_read(inode) - 1,
- 0, &cached_state);
+ &cached_state);
io_ctl_set_generation(io_ctl, trans->transid);
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 994490d..827a726 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -1989,7 +1989,7 @@
page_start = page_offset(page);
page_end = page_offset(page) + PAGE_CACHE_SIZE - 1;
- lock_extent_bits(&BTRFS_I(inode)->io_tree, page_start, page_end, 0,
+ lock_extent_bits(&BTRFS_I(inode)->io_tree, page_start, page_end,
&cached_state);
/* already ordered? We're done */
@@ -2482,7 +2482,7 @@
lock_start = backref->file_pos;
lock_end = backref->file_pos + backref->num_bytes - 1;
lock_extent_bits(&BTRFS_I(inode)->io_tree, lock_start, lock_end,
- 0, &cached);
+ &cached);
ordered = btrfs_lookup_first_ordered_extent(inode, lock_end);
if (ordered) {
@@ -2874,7 +2874,7 @@
lock_extent_bits(io_tree, ordered_extent->file_offset,
ordered_extent->file_offset + ordered_extent->len - 1,
- 0, &cached_state);
+ &cached_state);
ret = test_range_bit(io_tree, ordered_extent->file_offset,
ordered_extent->file_offset + ordered_extent->len - 1,
@@ -4690,7 +4690,7 @@
}
wait_on_page_writeback(page);
- lock_extent_bits(io_tree, page_start, page_end, 0, &cached_state);
+ lock_extent_bits(io_tree, page_start, page_end, &cached_state);
set_page_extent_mapped(page);
ordered = btrfs_lookup_ordered_extent(inode, page_start);
@@ -4821,7 +4821,7 @@
while (1) {
struct btrfs_ordered_extent *ordered;
- lock_extent_bits(io_tree, hole_start, block_end - 1, 0,
+ lock_extent_bits(io_tree, hole_start, block_end - 1,
&cached_state);
ordered = btrfs_lookup_ordered_range(inode, hole_start,
block_end - hole_start);
@@ -5133,7 +5133,7 @@
end = state->end;
spin_unlock(&io_tree->lock);
- lock_extent_bits(io_tree, start, end, 0, &cached_state);
+ lock_extent_bits(io_tree, start, end, &cached_state);
/*
* If still has DELALLOC flag, the extent didn't reach disk,
@@ -7402,7 +7402,7 @@
while (1) {
lock_extent_bits(&BTRFS_I(inode)->io_tree, lockstart, lockend,
- 0, cached_state);
+ cached_state);
/*
* We're concerned with the entire range that we're going to be
* doing DIO to, so we need to make sure theres no ordered
@@ -8636,7 +8636,7 @@
}
if (!inode_evicting)
- lock_extent_bits(tree, page_start, page_end, 0, &cached_state);
+ lock_extent_bits(tree, page_start, page_end, &cached_state);
ordered = btrfs_lookup_ordered_extent(inode, page_start);
if (ordered) {
/*
@@ -8674,7 +8674,7 @@
btrfs_put_ordered_extent(ordered);
if (!inode_evicting) {
cached_state = NULL;
- lock_extent_bits(tree, page_start, page_end, 0,
+ lock_extent_bits(tree, page_start, page_end,
&cached_state);
}
}
@@ -8772,7 +8772,7 @@
}
wait_on_page_writeback(page);
- lock_extent_bits(io_tree, page_start, page_end, 0, &cached_state);
+ lock_extent_bits(io_tree, page_start, page_end, &cached_state);
set_page_extent_mapped(page);
/*
diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c
index da94138..1643206 100644
--- a/fs/btrfs/ioctl.c
+++ b/fs/btrfs/ioctl.c
@@ -992,7 +992,7 @@
u64 end = start + len - 1;
/* get the big lock and read metadata off disk */
- lock_extent_bits(io_tree, start, end, 0, &cached);
+ lock_extent_bits(io_tree, start, end, &cached);
em = btrfs_get_extent(inode, NULL, 0, start, len, 0);
unlock_extent_cached(io_tree, start, end, &cached, GFP_NOFS);
@@ -1140,7 +1140,7 @@
page_end = page_start + PAGE_CACHE_SIZE - 1;
while (1) {
lock_extent_bits(tree, page_start, page_end,
- 0, &cached_state);
+ &cached_state);
ordered = btrfs_lookup_ordered_extent(inode,
page_start);
unlock_extent_cached(tree, page_start, page_end,
@@ -1200,7 +1200,7 @@
page_end = page_offset(pages[i_done - 1]) + PAGE_CACHE_SIZE;
lock_extent_bits(&BTRFS_I(inode)->io_tree,
- page_start, page_end - 1, 0, &cached_state);
+ page_start, page_end - 1, &cached_state);
clear_extent_bit(&BTRFS_I(inode)->io_tree, page_start,
page_end - 1, EXTENT_DIRTY | EXTENT_DELALLOC |
EXTENT_DO_ACCOUNTING | EXTENT_DEFRAG, 0, 0,
diff --git a/fs/btrfs/scrub.c b/fs/btrfs/scrub.c
index 2907a77..23f396a 100644
--- a/fs/btrfs/scrub.c
+++ b/fs/btrfs/scrub.c
@@ -4161,7 +4161,7 @@
io_tree = &BTRFS_I(inode)->io_tree;
- lock_extent_bits(io_tree, lockstart, lockend, 0, &cached_state);
+ lock_extent_bits(io_tree, lockstart, lockend, &cached_state);
ordered = btrfs_lookup_ordered_range(inode, lockstart, len);
if (ordered) {
btrfs_put_ordered_extent(ordered);