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Btrfs: trivial sparse fixes 

Fix a bunch of trivial sparse complaints.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
This commit is contained in:
Christoph Hellwig 2008-09-05 16:43:31 -04:00 committed by Chris Mason
parent a237d2a2bd
commit b214107eda
4 changed files with 7 additions and 11 deletions
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2
fs/btrfs/ctree.c
View File

@ -2749,7 +2749,6 @@ int btrfs_insert_empty_items(struct btrfs_trans_handle *trans,
BUG_ON(slot < 0);
if (slot != nritems) {
int i;
unsigned int old_data = btrfs_item_end_nr(leaf, slot);
if (old_data < data_end) {
@ -2913,7 +2912,6 @@ int btrfs_del_items(struct btrfs_trans_handle *trans, struct btrfs_root *root,
nritems = btrfs_header_nritems(leaf);
if (slot + nr != nritems) {
int i;
int data_end = leaf_data_end(root, leaf);
memmove_extent_buffer(leaf, btrfs_leaf_data(leaf) +

6
fs/btrfs/extent_io.c
View File

@ -3400,10 +3400,8 @@ int try_release_extent_buffer(struct extent_io_tree *tree, struct page *page)
}
/* at this point we can safely release the extent buffer */
num_pages = num_extent_pages(eb->start, eb->len);
for (i = 0; i < num_pages; i++) {
struct page *page = extent_buffer_page(eb, i);
page_cache_release(page);
}
for (i = 0; i < num_pages; i++)
page_cache_release(extent_buffer_page(eb, i));
rb_erase(&eb->rb_node, &tree->buffer);
__free_extent_buffer(eb);
out:

2
fs/btrfs/ioctl.c
View File

@ -739,7 +739,7 @@ long btrfs_ioctl_trans_end(struct file *file)
goto out;
}
btrfs_end_transaction(trans, root);
file->private_data = 0;
file->private_data = NULL;
mutex_lock(&root->fs_info->trans_mutex);
root->fs_info->open_ioctl_trans--;

8
fs/btrfs/sysfs.c
View File

@ -254,7 +254,7 @@ void btrfs_sysfs_del_super(struct btrfs_fs_info *fs)
wait_for_completion(&fs->kobj_unregister);
}
int btrfs_init_sysfs()
int btrfs_init_sysfs(void)
{
btrfs_kset = kset_create_and_add("btrfs", NULL, fs_kobj);
if (!btrfs_kset)
@ -262,7 +262,7 @@ int btrfs_init_sysfs()
return 0;
}
void btrfs_exit_sysfs()
void btrfs_exit_sysfs(void)
{
kset_unregister(btrfs_kset);
}
@ -289,12 +289,12 @@ void btrfs_sysfs_del_super(struct btrfs_fs_info *fs)
return;
}
int btrfs_init_sysfs()
int btrfs_init_sysfs(void)
{
return 0;
}
void btrfs_exit_sysfs()
void btrfs_exit_sysfs(void)
{
return;
}