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btrfs: remove unused variables from extent_io.c

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Remove unused variables:
* tree from end_bio_extent_writepage,
* item from extent_fiemap.

Signed-off-by: Valentina Giusti <valentina.giusti@microon.de>
Signed-off-by: Josef Bacik <jbacik@fusionio.com>
Signed-off-by: Chris Mason <clm@fb.com>
This commit is contained in:
Valentina Giusti 2013-11-04 22:34:25 +01:00 committed by Chris Mason
parent 4b447bfac6
commit 50892bac3b
1 changed files with 0 additions and 7 deletions
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7
fs/btrfs/extent_io.c
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@ -2333,13 +2333,11 @@ int end_extent_writepage(struct page *page, int err, u64 start, u64 end)
static void end_bio_extent_writepage(struct bio *bio, int err) static void end_bio_extent_writepage(struct bio *bio, int err)
{ {
struct bio_vec *bvec = bio->bi_io_vec + bio->bi_vcnt - 1; struct bio_vec *bvec = bio->bi_io_vec + bio->bi_vcnt - 1;
struct extent_io_tree *tree;
u64 start; u64 start;
u64 end; u64 end;
do { do {
struct page *page = bvec->bv_page; struct page *page = bvec->bv_page;
tree = &BTRFS_I(page->mapping->host)->io_tree;
/* We always issue full-page reads, but if some block /* We always issue full-page reads, but if some block
* in a page fails to read, blk_update_request() will * in a page fails to read, blk_update_request() will
@ -4082,12 +4080,10 @@ int extent_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo,
struct extent_map *em = NULL; struct extent_map *em = NULL;
struct extent_state *cached_state = NULL; struct extent_state *cached_state = NULL;
struct btrfs_path *path; struct btrfs_path *path;
struct btrfs_file_extent_item *item;
int end = 0; int end = 0;
u64 em_start = 0; u64 em_start = 0;
u64 em_len = 0; u64 em_len = 0;
u64 em_end = 0; u64 em_end = 0;
unsigned long emflags;
if (len == 0) if (len == 0)
return -EINVAL; return -EINVAL;
@ -4112,8 +4108,6 @@ int extent_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo,
} }
WARN_ON(!ret); WARN_ON(!ret);
path->slots[0]--; path->slots[0]--;
item = btrfs_item_ptr(path->nodes[0], path->slots[0],
struct btrfs_file_extent_item);
btrfs_item_key_to_cpu(path->nodes[0], &found_key, path->slots[0]); btrfs_item_key_to_cpu(path->nodes[0], &found_key, path->slots[0]);
found_type = btrfs_key_type(&found_key); found_type = btrfs_key_type(&found_key);
@ -4181,7 +4175,6 @@ int extent_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo,
offset_in_extent = em_start - em->start; offset_in_extent = em_start - em->start;
em_end = extent_map_end(em); em_end = extent_map_end(em);
em_len = em_end - em_start; em_len = em_end - em_start;
emflags = em->flags;
disko = 0; disko = 0;
flags = 0; flags = 0;