GFS2: Remove i_disksize
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>
diff --git a/fs/gfs2/quota.c b/fs/gfs2/quota.c
index 1bc6b56..9bc6dd9 100644
--- a/fs/gfs2/quota.c
+++ b/fs/gfs2/quota.c
@@ -735,10 +735,8 @@
goto out;
size = loc + sizeof(struct gfs2_quota);
- if (size > inode->i_size) {
- ip->i_disksize = size;
+ if (size > inode->i_size)
i_size_write(inode, size);
- }
inode->i_mtime = inode->i_atime = CURRENT_TIME;
gfs2_trans_add_bh(ip->i_gl, dibh, 1);
gfs2_dinode_out(ip, dibh->b_data);
@@ -1190,18 +1188,17 @@
int gfs2_quota_init(struct gfs2_sbd *sdp)
{
struct gfs2_inode *ip = GFS2_I(sdp->sd_qc_inode);
- unsigned int blocks = ip->i_disksize >> sdp->sd_sb.sb_bsize_shift;
+ u64 size = i_size_read(sdp->sd_qc_inode);
+ unsigned int blocks = size >> sdp->sd_sb.sb_bsize_shift;
unsigned int x, slot = 0;
unsigned int found = 0;
u64 dblock;
u32 extlen = 0;
int error;
- if (!ip->i_disksize || ip->i_disksize > (64 << 20) ||
- ip->i_disksize & (sdp->sd_sb.sb_bsize - 1)) {
- gfs2_consist_inode(ip);
+ if (gfs2_check_internal_file_size(sdp->sd_qc_inode, 1, 64 << 20))
return -EIO;
- }
+
sdp->sd_quota_slots = blocks * sdp->sd_qc_per_block;
sdp->sd_quota_chunks = DIV_ROUND_UP(sdp->sd_quota_slots, 8 * PAGE_SIZE);