[GFS2] Tidy up in various files
Tidy up some files and remove an unused routine in meta_io.h. Also
added a bit of extra debugging in meta_io.h.
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
diff --git a/fs/gfs2/meta_io.h b/fs/gfs2/meta_io.h
index 23c6a59..951814e 100644
--- a/fs/gfs2/meta_io.h
+++ b/fs/gfs2/meta_io.h
@@ -17,35 +17,20 @@
static inline void gfs2_buffer_clear_tail(struct buffer_head *bh, int head)
{
+ BUG_ON(head > bh->b_size);
memset(bh->b_data + head, 0, bh->b_size - head);
}
-static inline void gfs2_buffer_clear_ends(struct buffer_head *bh, int offset,
- int amount, int journaled)
-{
- int z_off1 = (journaled) ? sizeof(struct gfs2_meta_header) : 0;
- int z_len1 = offset - z_off1;
- int z_off2 = offset + amount;
- int z_len2 = (bh)->b_size - z_off2;
-
- if (z_len1)
- memset(bh->b_data + z_off1, 0, z_len1);
-
- if (z_len2)
- memset(bh->b_data + z_off2, 0, z_len2);
-}
-
static inline void gfs2_buffer_copy_tail(struct buffer_head *to_bh,
int to_head,
struct buffer_head *from_bh,
int from_head)
{
- memcpy(to_bh->b_data + to_head,
- from_bh->b_data + from_head,
+ BUG_ON(from_head < to_head);
+ memcpy(to_bh->b_data + to_head, from_bh->b_data + from_head,
from_bh->b_size - from_head);
memset(to_bh->b_data + to_bh->b_size + to_head - from_head,
- 0,
- from_head - to_head);
+ 0, from_head - to_head);
}
struct inode *gfs2_aspace_get(struct gfs2_sbd *sdp);