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GFS2: Remove i_disksize

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With the update of the truncate code, ip->i_disksize and
inode->i_size are merely copies of each other. This means
we can remove ip->i_disksize and use inode->i_size exclusively
reducing the size of a GFS2 inode by 8 bytes.

Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
This commit is contained in:
Steven Whitehouse
2010-08-11 09:53:11 +01:00
parent ff8f33c8b3
commit a2e0f79939
13 changed files with 60 additions and 58 deletions
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13
fs/gfs2/inode.h
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@@ -80,6 +80,19 @@ static inline void gfs2_inum_out(const struct gfs2_inode *ip,
dent->de_inum.no_addr = cpu_to_be64(ip->i_no_addr);
}
static inline int gfs2_check_internal_file_size(struct inode *inode,
u64 minsize, u64 maxsize)
{
u64 size = i_size_read(inode);
if (size < minsize || size > maxsize)
goto err;
if (size & ((1 << inode->i_blkbits) - 1))
goto err;
return 0;
err:
gfs2_consist_inode(GFS2_I(inode));
return -EIO;
}
extern void gfs2_set_iop(struct inode *inode);
extern struct inode *gfs2_inode_lookup(struct super_block *sb, unsigned type,