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authorGeert Uytterhoeven <geert@linux-m68k.org>2013-08-20 13:20:11 +0200
committerChris Mason <chris.mason@fusionio.com>2013-09-01 08:16:12 -0400
commit410ba3a291081d98f0e58a868e1305110d986903 (patch)
tree66575d6c7ffa9b61ed3ecaa5f5c70daef1cbbeb1 /fs/btrfs
parent118a0a251425b5ed5d5951097f9ef95f30611b03 (diff)
Btrfs: Make btrfs_device_uuid() return unsigned long
All callers of btrfs_device_uuid() cast its return type to unsigned long. Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: Josef Bacik <jbacik@fusionio.com> Signed-off-by: Chris Mason <chris.mason@fusionio.com>
Diffstat (limited to 'fs/btrfs')
-rw-r--r--fs/btrfs/ctree.h4
-rw-r--r--fs/btrfs/volumes.c10
2 files changed, 6 insertions, 8 deletions
diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index 7add85a645a3..b4e70537cada 100644
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -2164,9 +2164,9 @@ BTRFS_SETGET_STACK_FUNCS(stack_device_bandwidth, struct btrfs_dev_item,
BTRFS_SETGET_STACK_FUNCS(stack_device_generation, struct btrfs_dev_item,
generation, 64);
-static inline char *btrfs_device_uuid(struct btrfs_dev_item *d)
+static inline unsigned long btrfs_device_uuid(struct btrfs_dev_item *d)
{
- return (char *)d + offsetof(struct btrfs_dev_item, uuid);
+ return (unsigned long)d + offsetof(struct btrfs_dev_item, uuid);
}
static inline char *btrfs_device_fsid(struct btrfs_dev_item *d)
diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c
index 1534a134750f..9ea500465256 100644
--- a/fs/btrfs/volumes.c
+++ b/fs/btrfs/volumes.c
@@ -1424,7 +1424,7 @@ static int btrfs_add_device(struct btrfs_trans_handle *trans,
btrfs_set_device_bandwidth(leaf, dev_item, 0);
btrfs_set_device_start_offset(leaf, dev_item, 0);
- ptr = (unsigned long)btrfs_device_uuid(dev_item);
+ ptr = btrfs_device_uuid(dev_item);
write_extent_buffer(leaf, device->uuid, ptr, BTRFS_UUID_SIZE);
ptr = (unsigned long)btrfs_device_fsid(dev_item);
write_extent_buffer(leaf, root->fs_info->fsid, ptr, BTRFS_UUID_SIZE);
@@ -1924,8 +1924,7 @@ next_slot:
dev_item = btrfs_item_ptr(leaf, path->slots[0],
struct btrfs_dev_item);
devid = btrfs_device_id(leaf, dev_item);
- read_extent_buffer(leaf, dev_uuid,
- (unsigned long)btrfs_device_uuid(dev_item),
+ read_extent_buffer(leaf, dev_uuid, btrfs_device_uuid(dev_item),
BTRFS_UUID_SIZE);
read_extent_buffer(leaf, fs_uuid,
(unsigned long)btrfs_device_fsid(dev_item),
@@ -5760,7 +5759,7 @@ static void fill_device_from_item(struct extent_buffer *leaf,
WARN_ON(device->devid == BTRFS_DEV_REPLACE_DEVID);
device->is_tgtdev_for_dev_replace = 0;
- ptr = (unsigned long)btrfs_device_uuid(dev_item);
+ ptr = btrfs_device_uuid(dev_item);
read_extent_buffer(leaf, device->uuid, ptr, BTRFS_UUID_SIZE);
}
@@ -5823,8 +5822,7 @@ static int read_one_dev(struct btrfs_root *root,
u8 dev_uuid[BTRFS_UUID_SIZE];
devid = btrfs_device_id(leaf, dev_item);
- read_extent_buffer(leaf, dev_uuid,
- (unsigned long)btrfs_device_uuid(dev_item),
+ read_extent_buffer(leaf, dev_uuid, btrfs_device_uuid(dev_item),
BTRFS_UUID_SIZE);
read_extent_buffer(leaf, fs_uuid,
(unsigned long)btrfs_device_fsid(dev_item),