diff options
| -rw-r--r-- | fs/btrfs/extent_io.c | 22 | ||||
| -rw-r--r-- | fs/btrfs/extent_io.h | 19 |
2 files changed, 16 insertions, 25 deletions
diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c index 3e9f39bda9f2..dc15eaa75c65 100644 --- a/fs/btrfs/extent_io.c +++ b/fs/btrfs/extent_io.c @@ -4129,28 +4129,6 @@ static void assert_eb_page_uptodate(const struct extent_buffer *eb, } } -void write_extent_buffer_chunk_tree_uuid(const struct extent_buffer *eb, - const void *srcv) -{ - char *kaddr; - - assert_eb_page_uptodate(eb, eb->pages[0]); - kaddr = page_address(eb->pages[0]) + - get_eb_offset_in_page(eb, offsetof(struct btrfs_header, - chunk_tree_uuid)); - memcpy(kaddr, srcv, BTRFS_FSID_SIZE); -} - -void write_extent_buffer_fsid(const struct extent_buffer *eb, const void *srcv) -{ - char *kaddr; - - assert_eb_page_uptodate(eb, eb->pages[0]); - kaddr = page_address(eb->pages[0]) + - get_eb_offset_in_page(eb, offsetof(struct btrfs_header, fsid)); - memcpy(kaddr, srcv, BTRFS_FSID_SIZE); -} - void write_extent_buffer(const struct extent_buffer *eb, const void *srcv, unsigned long start, unsigned long len) { diff --git a/fs/btrfs/extent_io.h b/fs/btrfs/extent_io.h index c01f9c5ddc13..adda14c1b763 100644 --- a/fs/btrfs/extent_io.h +++ b/fs/btrfs/extent_io.h @@ -236,11 +236,24 @@ void read_extent_buffer(const struct extent_buffer *eb, void *dst, int read_extent_buffer_to_user_nofault(const struct extent_buffer *eb, void __user *dst, unsigned long start, unsigned long len); -void write_extent_buffer_fsid(const struct extent_buffer *eb, const void *src); -void write_extent_buffer_chunk_tree_uuid(const struct extent_buffer *eb, - const void *src); void write_extent_buffer(const struct extent_buffer *eb, const void *src, unsigned long start, unsigned long len); + +static inline void write_extent_buffer_chunk_tree_uuid( + const struct extent_buffer *eb, const void *chunk_tree_uuid) +{ + write_extent_buffer(eb, chunk_tree_uuid, + offsetof(struct btrfs_header, chunk_tree_uuid), + BTRFS_FSID_SIZE); +} + +static inline void write_extent_buffer_fsid(const struct extent_buffer *eb, + const void *fsid) +{ + write_extent_buffer(eb, fsid, offsetof(struct btrfs_header, fsid), + BTRFS_FSID_SIZE); +} + void copy_extent_buffer_full(const struct extent_buffer *dst, const struct extent_buffer *src); void copy_extent_buffer(const struct extent_buffer *dst, |