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| author | Steven Whitehouse <swhiteho@redhat.com> | 2008-02-12 14:17:27 +0000 |
|---|---|---|
| committer | Steven Whitehouse <swhiteho@redhat.com> | 2008-03-31 10:40:55 +0100 |
| commit | 77658aad226866fb94097236d14d41a88aaab2ec (patch) | |
| tree | 2849313fccb193bd3c4f93f241fd5fb98ad871ca /fs/gfs2/bmap.c | |
| parent | 30cbf189cd2a1ba13ff3c8c8ee2103dbdb18578a (diff) | |
| download | linux-77658aad226866fb94097236d14d41a88aaab2ec.tar.gz | |
[GFS2] Eliminate (almost) duplicate field from gfs2_inode
The blocks counter is almost a duplicate of the i_blocks field in the VFS inode. The only difference is that i_blocks can be only 32bits long for 32bit arch without large single file support. Since GFS2 doesn't handle the non-large single file case (for 32 bit anyway) this adds a new config dependency on 64BIT || LSF. This has always been the case, however we've never explicitly said so before. Even if we do add support for the non-LSF case, we will still not require this field to be duplicated since we will not be able to access oversized files anyway. So the net result of all this is that we shave 8 bytes from a gfs2_inode and get our config deps correct. Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
Diffstat (limited to 'fs/gfs2/bmap.c')
| -rw-r--r-- | fs/gfs2/bmap.c | 18 |
1 files changed, 6 insertions, 12 deletions
diff --git a/fs/gfs2/bmap.c b/fs/gfs2/bmap.c index 6780aa5841b2..e27e66046f0a 100644 --- a/fs/gfs2/bmap.c +++ b/fs/gfs2/bmap.c @@ -161,9 +161,8 @@ int gfs2_unstuff_dinode(struct gfs2_inode *ip, struct page *page) if (ip->i_di.di_size) { *(__be64 *)(di + 1) = cpu_to_be64(block); - ip->i_di.di_blocks++; - gfs2_set_inode_blocks(&ip->i_inode); - di->di_blocks = cpu_to_be64(ip->i_di.di_blocks); + gfs2_add_inode_blocks(&ip->i_inode, 1); + di->di_blocks = cpu_to_be64(gfs2_get_inode_blocks(&ip->i_inode)); } ip->i_height = 1; @@ -238,10 +237,9 @@ static int build_height(struct inode *inode, struct metapath *mp, unsigned heigh gfs2_buffer_clear_tail(dibh, sizeof(struct gfs2_dinode)); *(__be64 *)(di + 1) = cpu_to_be64(bn); ip->i_height += new_height; - ip->i_di.di_blocks += new_height; - gfs2_set_inode_blocks(&ip->i_inode); + gfs2_add_inode_blocks(&ip->i_inode, new_height); di->di_height = cpu_to_be16(ip->i_height); - di->di_blocks = cpu_to_be64(ip->i_di.di_blocks); + di->di_blocks = cpu_to_be64(gfs2_get_inode_blocks(&ip->i_inode)); brelse(dibh); return error; } @@ -380,8 +378,7 @@ static int lookup_block(struct gfs2_inode *ip, unsigned int height, gfs2_trans_add_bh(ip->i_gl, mp->mp_bh[height], 1); *ptr = cpu_to_be64(*block); - ip->i_di.di_blocks++; - gfs2_set_inode_blocks(&ip->i_inode); + gfs2_add_inode_blocks(&ip->i_inode, 1); *new = 1; return 0; @@ -779,10 +776,7 @@ static int do_strip(struct gfs2_inode *ip, struct buffer_head *dibh, } *p = 0; - if (!ip->i_di.di_blocks) - gfs2_consist_inode(ip); - ip->i_di.di_blocks--; - gfs2_set_inode_blocks(&ip->i_inode); + gfs2_add_inode_blocks(&ip->i_inode, -1); } if (bstart) { if (metadata) |