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authorSteven Whitehouse <swhiteho@redhat.com>2008-02-06 10:11:15 (GMT)
committerSteven Whitehouse <swhiteho@redhat.com>2008-03-31 09:40:47 (GMT)
commitb45e41d7d56dfef1ae9e02e6c59990066ba82e5c (patch)
treec139447fa57beb3886def4e17449cc34bf40cf3c /fs/gfs2/dir.c
parent1639431a3f57b43da1e15e9268a1d691ac01ba26 (diff)
downloadlinux-fsl-qoriq-b45e41d7d56dfef1ae9e02e6c59990066ba82e5c.tar.xz
[GFS2] Add extent allocation to block allocator
Rather than having to allocate a single block at a time, this patch allows the block allocator to allocate an extent. Since there is no difference (so far as the block allocator is concerned) between data blocks and indirect blocks, it is posible to allocate a single extent and for the caller to unrevoke just the blocks required for indirect blocks. Currently the only bit of GFS2 to make use of this feature is the build height function. The intention is that gfs2_block_map will be changed to make use of this feature in future patches. Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
Diffstat (limited to 'fs/gfs2/dir.c')
-rw-r--r--fs/gfs2/dir.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/fs/gfs2/dir.c b/fs/gfs2/dir.c
index fbdf319..93a2e6a 100644
--- a/fs/gfs2/dir.c
+++ b/fs/gfs2/dir.c
@@ -803,7 +803,8 @@ got_dent:
static struct gfs2_leaf *new_leaf(struct inode *inode, struct buffer_head **pbh, u16 depth)
{
struct gfs2_inode *ip = GFS2_I(inode);
- u64 bn = gfs2_alloc_block(ip);
+ unsigned int n = 1;
+ u64 bn = gfs2_alloc_block(ip, &n);
struct buffer_head *bh = gfs2_meta_new(ip->i_gl, bn);
struct gfs2_leaf *leaf;
struct gfs2_dirent *dent;