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authorAndi Kleen <andi@firstfloor.org>2010-10-29 15:14:37 -0400
committerChris Mason <chris.mason@oracle.com>2010-10-29 15:14:37 -0400
commit559af8211433b8c0b20e6c43c61409cb9c9c2996 (patch)
tree702ebd4c4f5b610daa36f65d814a518356a9a46b /fs/btrfs/super.c
parent411fc6bcef54f828a5458f4730c68abdf13c6bf0 (diff)
Btrfs: cleanup warnings from gcc 4.6 (nonbugs)
These are all the cases where a variable is set, but not read which are not bugs as far as I can see, but simply leftovers. Still needs more review. Found by gcc 4.6's new warnings Signed-off-by: Andi Kleen <ak@linux.intel.com> Cc: Chris Mason <chris.mason@oracle.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Chris Mason <chris.mason@oracle.com>
Diffstat (limited to 'fs/btrfs/super.c')
-rw-r--r--fs/btrfs/super.c6
1 files changed, 2 insertions, 4 deletions
diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c
index d7fb2733d028..0002e6d1a16f 100644
--- a/fs/btrfs/super.c
+++ b/fs/btrfs/super.c
@@ -61,6 +61,8 @@ static void btrfs_put_super(struct super_block *sb)
ret = close_ctree(root);
sb->s_fs_info = NULL;
+
+ (void)ret; /* FIXME: need to fix VFS to return error? */
}
enum {
@@ -445,7 +447,6 @@ static int btrfs_fill_super(struct super_block *sb,
{
struct inode *inode;
struct dentry *root_dentry;
- struct btrfs_super_block *disk_super;
struct btrfs_root *tree_root;
struct btrfs_key key;
int err;
@@ -467,7 +468,6 @@ static int btrfs_fill_super(struct super_block *sb,
return PTR_ERR(tree_root);
}
sb->s_fs_info = tree_root;
- disk_super = &tree_root->fs_info->super_copy;
key.objectid = BTRFS_FIRST_FREE_OBJECTID;
key.type = BTRFS_INODE_ITEM_KEY;
@@ -580,7 +580,6 @@ static int btrfs_get_sb(struct file_system_type *fs_type, int flags,
char *subvol_name = NULL;
u64 subvol_objectid = 0;
int error = 0;
- int found = 0;
if (!(flags & MS_RDONLY))
mode |= FMODE_WRITE;
@@ -616,7 +615,6 @@ static int btrfs_get_sb(struct file_system_type *fs_type, int flags,
goto error_close_devices;
}
- found = 1;
btrfs_close_devices(fs_devices);
} else {
char b[BDEVNAME_SIZE];