diff options
| author | Bob Peterson <rpeterso@redhat.com> | 2011-11-18 10:58:32 -0500 |
|---|---|---|
| committer | Steven Whitehouse <swhiteho@redhat.com> | 2011-11-21 10:04:09 +0000 |
| commit | 6e87ed0fc93ffbe2aec296e6912b1dcb19034d6c (patch) | |
| tree | 4f4ac522d34f35de3e3671996ddc35977aaa49ad /fs/gfs2/rgrp.h | |
| parent | 4442f2e03ed9646664c94e197e637b03324a6664 (diff) | |
| download | linux-6e87ed0fc93ffbe2aec296e6912b1dcb19034d6c.tar.bz2 | |
GFS2: move toward a generic multi-block allocator
This patch is a revision of the one I previously posted.
I tried to integrate all the suggestions Steve gave.
The purpose of the patch is to change function gfs2_alloc_block
(allocate either a dinode block or an extent of data blocks)
to a more generic gfs2_alloc_blocks function that can
allocate both a dinode _and_ an extent of data blocks in the
same call. This will ultimately help us create a multi-block
reservation scheme to reduce file fragmentation.
This patch moves more toward a generic multi-block allocator that
takes a pointer to the number of data blocks to allocate, plus whether
or not to allocate a dinode. In theory, it could be called to allocate
(1) a single dinode block, (2) a group of one or more data blocks, or
(3) a dinode plus several data blocks.
Signed-off-by: Bob Peterson <rpeterso@redhat.com>
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
Diffstat (limited to 'fs/gfs2/rgrp.h')
| -rw-r--r-- | fs/gfs2/rgrp.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/fs/gfs2/rgrp.h b/fs/gfs2/rgrp.h index 4cb560813973..b3b61b8f6d8f 100644 --- a/fs/gfs2/rgrp.h +++ b/fs/gfs2/rgrp.h @@ -39,8 +39,8 @@ static inline void gfs2_alloc_put(struct gfs2_inode *ip) extern int gfs2_inplace_reserve(struct gfs2_inode *ip); extern void gfs2_inplace_release(struct gfs2_inode *ip); -extern int gfs2_alloc_block(struct gfs2_inode *ip, u64 *bn, unsigned int *n, - int dinode, u64 *generation); +extern int gfs2_alloc_blocks(struct gfs2_inode *ip, u64 *bn, unsigned int *n, + bool dinode, u64 *generation); extern void __gfs2_free_blocks(struct gfs2_inode *ip, u64 bstart, u32 blen, int meta); extern void gfs2_free_meta(struct gfs2_inode *ip, u64 bstart, u32 blen); |