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[GFS2] Shrink gfs2_inode (6) - di_atime/di_mtime/di_ctime 

Remove the di_[amc]time fields and use inode->i_[amc]time
fields instead. This saves 24 bytes from the gfs2_inode.

Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
This commit is contained in:
Steven Whitehouse 2006-11-01 14:35:17 -05:00
parent 4f56110a00
commit 1a7b1eed58
9 changed files with 29 additions and 65 deletions
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10
fs/gfs2/bmap.c
View File

@ -778,7 +778,7 @@ static int do_strip(struct gfs2_inode *ip, struct buffer_head *dibh,
gfs2_free_data(ip, bstart, blen);
}
ip->i_di.di_mtime = ip->i_di.di_ctime = get_seconds();
ip->i_inode.i_mtime.tv_sec = ip->i_inode.i_ctime.tv_sec = get_seconds();
gfs2_dinode_out(ip, dibh->b_data);
@ -853,7 +853,7 @@ static int do_grow(struct gfs2_inode *ip, u64 size)
}
ip->i_di.di_size = size;
ip->i_di.di_mtime = ip->i_di.di_ctime = get_seconds();
ip->i_inode.i_mtime.tv_sec = ip->i_inode.i_ctime.tv_sec = get_seconds();
error = gfs2_meta_inode_buffer(ip, &dibh);
if (error)
@ -968,7 +968,7 @@ static int trunc_start(struct gfs2_inode *ip, u64 size)
if (gfs2_is_stuffed(ip)) {
ip->i_di.di_size = size;
ip->i_di.di_mtime = ip->i_di.di_ctime = get_seconds();
ip->i_inode.i_mtime.tv_sec = ip->i_inode.i_ctime.tv_sec = get_seconds();
gfs2_trans_add_bh(ip->i_gl, dibh, 1);
gfs2_dinode_out(ip, dibh->b_data);
gfs2_buffer_clear_tail(dibh, sizeof(struct gfs2_dinode) + size);
@ -980,7 +980,7 @@ static int trunc_start(struct gfs2_inode *ip, u64 size)
if (!error) {
ip->i_di.di_size = size;
ip->i_di.di_mtime = ip->i_di.di_ctime = get_seconds();
ip->i_inode.i_mtime.tv_sec = ip->i_inode.i_ctime.tv_sec = get_seconds();
ip->i_di.di_flags |= GFS2_DIF_TRUNC_IN_PROG;
gfs2_trans_add_bh(ip->i_gl, dibh, 1);
gfs2_dinode_out(ip, dibh->b_data);
@ -1053,7 +1053,7 @@ static int trunc_end(struct gfs2_inode *ip)
ip->i_num.no_addr;
gfs2_buffer_clear_tail(dibh, sizeof(struct gfs2_dinode));
}
ip->i_di.di_mtime = ip->i_di.di_ctime = get_seconds();
ip->i_inode.i_mtime.tv_sec = ip->i_inode.i_ctime.tv_sec = get_seconds();
ip->i_di.di_flags &= ~GFS2_DIF_TRUNC_IN_PROG;
gfs2_trans_add_bh(ip->i_gl, dibh, 1);

10
fs/gfs2/dir.c
View File

@ -131,7 +131,7 @@ static int gfs2_dir_write_stuffed(struct gfs2_inode *ip, const char *buf,
memcpy(dibh->b_data + offset + sizeof(struct gfs2_dinode), buf, size);
if (ip->i_di.di_size < offset + size)
ip->i_di.di_size = offset + size;
ip->i_di.di_mtime = ip->i_di.di_ctime = get_seconds();
ip->i_inode.i_mtime.tv_sec = ip->i_inode.i_ctime.tv_sec = get_seconds();
gfs2_dinode_out(ip, dibh->b_data);
brelse(dibh);
@ -229,7 +229,7 @@ static int gfs2_dir_write_data(struct gfs2_inode *ip, const char *buf,
if (ip->i_di.di_size < offset + copied)
ip->i_di.di_size = offset + copied;
ip->i_di.di_mtime = ip->i_di.di_ctime = get_seconds();
ip->i_inode.i_mtime.tv_sec = ip->i_inode.i_ctime.tv_sec = get_seconds();
gfs2_trans_add_bh(ip->i_gl, dibh, 1);
gfs2_dinode_out(ip, dibh->b_data);
@ -1560,7 +1560,7 @@ int gfs2_dir_add(struct inode *inode, const struct qstr *name,
break;
gfs2_trans_add_bh(ip->i_gl, bh, 1);
ip->i_di.di_entries++;
ip->i_di.di_mtime = ip->i_di.di_ctime = get_seconds();
ip->i_inode.i_mtime.tv_sec = ip->i_inode.i_ctime.tv_sec = get_seconds();
gfs2_dinode_out(ip, bh->b_data);
brelse(bh);
error = 0;
@ -1646,7 +1646,7 @@ int gfs2_dir_del(struct gfs2_inode *dip, const struct qstr *name)
gfs2_consist_inode(dip);
gfs2_trans_add_bh(dip->i_gl, bh, 1);
dip->i_di.di_entries--;
dip->i_di.di_mtime = dip->i_di.di_ctime = get_seconds();
dip->i_inode.i_mtime.tv_sec = dip->i_inode.i_ctime.tv_sec = get_seconds();
gfs2_dinode_out(dip, bh->b_data);
brelse(bh);
mark_inode_dirty(&dip->i_inode);
@ -1694,7 +1694,7 @@ int gfs2_dir_mvino(struct gfs2_inode *dip, const struct qstr *filename,
gfs2_trans_add_bh(dip->i_gl, bh, 1);
}
dip->i_di.di_mtime = dip->i_di.di_ctime = get_seconds();
dip->i_inode.i_mtime.tv_sec = dip->i_inode.i_ctime.tv_sec = get_seconds();
gfs2_dinode_out(dip, bh->b_data);
brelse(bh);
return 0;

9
fs/gfs2/eattr.c
View File

@ -300,7 +300,7 @@ static int ea_dealloc_unstuffed(struct gfs2_inode *ip, struct buffer_head *bh,
error = gfs2_meta_inode_buffer(ip, &dibh);
if (!error) {
ip->i_di.di_ctime = get_seconds();
ip->i_inode.i_ctime.tv_sec = get_seconds();
gfs2_trans_add_bh(ip->i_gl, dibh, 1);
gfs2_dinode_out(ip, dibh->b_data);
brelse(dibh);
@ -715,7 +715,7 @@ static int ea_alloc_skeleton(struct gfs2_inode *ip, struct gfs2_ea_request *er,
(er->er_mode & S_IFMT));
ip->i_inode.i_mode = er->er_mode;
}
ip->i_di.di_ctime = get_seconds();
ip->i_inode.i_ctime.tv_sec = get_seconds();
gfs2_trans_add_bh(ip->i_gl, dibh, 1);
gfs2_dinode_out(ip, dibh->b_data);
brelse(dibh);
@ -850,7 +850,7 @@ static int ea_set_simple_noalloc(struct gfs2_inode *ip, struct buffer_head *bh,
(ip->i_inode.i_mode & S_IFMT) == (er->er_mode & S_IFMT));
ip->i_inode.i_mode = er->er_mode;
}
ip->i_di.di_ctime = get_seconds();
ip->i_inode.i_ctime.tv_sec = get_seconds();
gfs2_trans_add_bh(ip->i_gl, dibh, 1);
gfs2_dinode_out(ip, dibh->b_data);
brelse(dibh);
@ -1130,7 +1130,7 @@ static int ea_remove_stuffed(struct gfs2_inode *ip, struct gfs2_ea_location *el)
error = gfs2_meta_inode_buffer(ip, &dibh);
if (!error) {
ip->i_di.di_ctime = get_seconds();
ip->i_inode.i_ctime.tv_sec = get_seconds();
gfs2_trans_add_bh(ip->i_gl, dibh, 1);
gfs2_dinode_out(ip, dibh->b_data);
brelse(dibh);
@ -1285,7 +1285,6 @@ int gfs2_ea_acl_chmod(struct gfs2_inode *ip, struct gfs2_ea_location *el,
if (!error) {
error = inode_setattr(&ip->i_inode, attr);
gfs2_assert_warn(GFS2_SB(&ip->i_inode), !error);
gfs2_inode_attr_out(ip);
gfs2_trans_add_bh(ip->i_gl, dibh, 1);
gfs2_dinode_out(ip, dibh->b_data);
brelse(dibh);

44
fs/gfs2/inode.c
View File

@ -52,12 +52,6 @@ void gfs2_inode_attr_in(struct gfs2_inode *ip)
inode->i_ino = ip->i_num.no_addr;
i_size_write(inode, di->di_size);
inode->i_atime.tv_sec = di->di_atime;
inode->i_mtime.tv_sec = di->di_mtime;
inode->i_ctime.tv_sec = di->di_ctime;
inode->i_atime.tv_nsec = 0;
inode->i_mtime.tv_nsec = 0;
inode->i_ctime.tv_nsec = 0;
inode->i_blocks = di->di_blocks <<
(GFS2_SB(inode)->sd_sb.sb_bsize_shift - GFS2_BASIC_BLOCK_SHIFT);
@ -72,23 +66,6 @@ void gfs2_inode_attr_in(struct gfs2_inode *ip)
inode->i_flags &= ~S_APPEND;
}
/**
* gfs2_inode_attr_out - Copy attributes from VFS inode into the dinode
* @ip: The GFS2 inode
*
* Only copy out the attributes that we want the VFS layer
* to be able to modify.
*/
void gfs2_inode_attr_out(struct gfs2_inode *ip)
{
struct inode *inode = &ip->i_inode;
struct gfs2_dinode_host *di = &ip->i_di;
di->di_atime = inode->i_atime.tv_sec;
di->di_mtime = inode->i_mtime.tv_sec;
di->di_ctime = inode->i_ctime.tv_sec;
}
static int iget_test(struct inode *inode, void *opaque)
{
struct gfs2_inode *ip = GFS2_I(inode);
@ -221,9 +198,12 @@ static int gfs2_dinode_in(struct gfs2_inode *ip, const void *buf)
ip->i_inode.i_nlink = be32_to_cpu(str->di_nlink);
di->di_size = be64_to_cpu(str->di_size);
di->di_blocks = be64_to_cpu(str->di_blocks);
di->di_atime = be64_to_cpu(str->di_atime);
di->di_mtime = be64_to_cpu(str->di_mtime);
di->di_ctime = be64_to_cpu(str->di_ctime);
ip->i_inode.i_atime.tv_sec = be64_to_cpu(str->di_atime);
ip->i_inode.i_atime.tv_nsec = 0;
ip->i_inode.i_mtime.tv_sec = be64_to_cpu(str->di_mtime);
ip->i_inode.i_mtime.tv_nsec = 0;
ip->i_inode.i_ctime.tv_sec = be64_to_cpu(str->di_ctime);
ip->i_inode.i_ctime.tv_nsec = 0;
di->di_goal_meta = be64_to_cpu(str->di_goal_meta);
di->di_goal_data = be64_to_cpu(str->di_goal_data);
@ -360,7 +340,7 @@ int gfs2_change_nlink(struct gfs2_inode *ip, int diff)
else
drop_nlink(&ip->i_inode);
ip->i_di.di_ctime = get_seconds();
ip->i_inode.i_ctime.tv_sec = get_seconds();
gfs2_trans_add_bh(ip->i_gl, dibh, 1);
gfs2_dinode_out(ip, dibh->b_data);
@ -1224,7 +1204,7 @@ int gfs2_glock_nq_atime(struct gfs2_holder *gh)
return 0;
curtime = get_seconds();
if (curtime - ip->i_di.di_atime >= quantum) {
if (curtime - ip->i_inode.i_atime.tv_sec >= quantum) {
gfs2_glock_dq(gh);
gfs2_holder_reinit(LM_ST_EXCLUSIVE, gh->gh_flags & ~LM_FLAG_ANY,
gh);
@ -1236,7 +1216,7 @@ int gfs2_glock_nq_atime(struct gfs2_holder *gh)
trying to get exclusive lock. */
curtime = get_seconds();
if (curtime - ip->i_di.di_atime >= quantum) {
if (curtime - ip->i_inode.i_atime.tv_sec >= quantum) {
struct buffer_head *dibh;
struct gfs2_dinode *di;
@ -1250,11 +1230,11 @@ int gfs2_glock_nq_atime(struct gfs2_holder *gh)
if (error)
goto fail_end_trans;
ip->i_di.di_atime = curtime;
ip->i_inode.i_atime.tv_sec = curtime;
gfs2_trans_add_bh(ip->i_gl, dibh, 1);
di = (struct gfs2_dinode *)dibh->b_data;
di->di_atime = cpu_to_be64(ip->i_di.di_atime);
di->di_atime = cpu_to_be64(ip->i_inode.i_atime.tv_sec);
brelse(dibh);
gfs2_trans_end(sdp);
@ -1375,8 +1355,6 @@ __gfs2_setattr_simple(struct gfs2_inode *ip, struct iattr *attr)
if (!error) {
error = inode_setattr(&ip->i_inode, attr);
gfs2_assert_warn(GFS2_SB(&ip->i_inode), !error);
gfs2_inode_attr_out(ip);
gfs2_trans_add_bh(ip->i_gl, dibh, 1);
gfs2_dinode_out(ip, dibh->b_data);
brelse(dibh);

1
fs/gfs2/inode.h
View File

@ -26,7 +26,6 @@ static inline int gfs2_is_dir(struct gfs2_inode *ip)
}
void gfs2_inode_attr_in(struct gfs2_inode *ip);
void gfs2_inode_attr_out(struct gfs2_inode *ip);
struct inode *gfs2_inode_lookup(struct super_block *sb, struct gfs2_inum_host *inum, unsigned type);
struct inode *gfs2_ilookup(struct super_block *sb, struct gfs2_inum_host *inum);

10
fs/gfs2/ondisk.c
View File

@ -167,9 +167,9 @@ void gfs2_dinode_out(const struct gfs2_inode *ip, void *buf)
str->di_nlink = cpu_to_be32(ip->i_inode.i_nlink);
str->di_size = cpu_to_be64(di->di_size);
str->di_blocks = cpu_to_be64(di->di_blocks);
str->di_atime = cpu_to_be64(di->di_atime);
str->di_mtime = cpu_to_be64(di->di_mtime);
str->di_ctime = cpu_to_be64(di->di_ctime);
str->di_atime = cpu_to_be64(ip->i_inode.i_atime.tv_sec);
str->di_mtime = cpu_to_be64(ip->i_inode.i_mtime.tv_sec);
str->di_ctime = cpu_to_be64(ip->i_inode.i_ctime.tv_sec);
str->di_goal_meta = cpu_to_be64(di->di_goal_meta);
str->di_goal_data = cpu_to_be64(di->di_goal_data);
@ -193,10 +193,6 @@ void gfs2_dinode_print(const struct gfs2_inode *ip)
printk(KERN_INFO " di_size = %llu\n", (unsigned long long)di->di_size);
printk(KERN_INFO " di_blocks = %llu\n", (unsigned long long)di->di_blocks);
printk(KERN_INFO " di_atime = %lld\n", (long long)di->di_atime);
printk(KERN_INFO " di_mtime = %lld\n", (long long)di->di_mtime);
printk(KERN_INFO " di_ctime = %lld\n", (long long)di->di_ctime);
printk(KERN_INFO " di_goal_meta = %llu\n", (unsigned long long)di->di_goal_meta);
printk(KERN_INFO " di_goal_data = %llu\n", (unsigned long long)di->di_goal_data);

4
fs/gfs2/ops_address.c
View File

@ -498,10 +498,6 @@ static int gfs2_commit_write(struct file *file, struct page *page,
di->di_size = cpu_to_be64(inode->i_size);
}
di->di_atime = cpu_to_be64(inode->i_atime.tv_sec);
di->di_mtime = cpu_to_be64(inode->i_mtime.tv_sec);
di->di_ctime = cpu_to_be64(inode->i_ctime.tv_sec);
brelse(dibh);
gfs2_trans_end(sdp);
if (al->al_requested) {

3
fs/gfs2/ops_inode.c
View File

@ -729,7 +729,7 @@ static int gfs2_rename(struct inode *odir, struct dentry *odentry,
error = gfs2_meta_inode_buffer(ip, &dibh);
if (error)
goto out_end_trans;
ip->i_di.di_ctime = get_seconds();
ip->i_inode.i_ctime.tv_sec = get_seconds();
gfs2_trans_add_bh(ip->i_gl, dibh, 1);
gfs2_dinode_out(ip, dibh->b_data);
brelse(dibh);
@ -915,7 +915,6 @@ static int setattr_chown(struct inode *inode, struct iattr *attr)
error = inode_setattr(inode, attr);
gfs2_assert_warn(sdp, !error);
gfs2_inode_attr_out(ip);
gfs2_trans_add_bh(ip->i_gl, dibh, 1);
gfs2_dinode_out(ip, dibh->b_data);

3
include/linux/gfs2_ondisk.h
View File

@ -324,9 +324,6 @@ struct gfs2_dinode {
struct gfs2_dinode_host {
__u64 di_size; /* number of bytes in file */
__u64 di_blocks; /* number of blocks in file */
__u64 di_atime; /* time last accessed */
__u64 di_mtime; /* time last modified */
__u64 di_ctime; /* time last changed */
/* This section varies from gfs1. Padding added to align with
* remainder of dinode