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GFS2: Move i_size from gfs2_dinode_host and rename it to i_disksize 

This patch moved the i_size field from the gfs2_dinode_host and
following the ext3 convention renames it i_disksize.

Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
This commit is contained in:
Steven Whitehouse 2008-11-04 09:47:33 +00:00
parent 3767ac21f4
commit c9e9888677
11 changed files with 56 additions and 55 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

26
fs/gfs2/bmap.c
View File

@ -75,9 +75,9 @@ static int gfs2_unstuffer_page(struct gfs2_inode *ip, struct buffer_head *dibh,
void *kaddr = kmap(page);
memcpy(kaddr, dibh->b_data + sizeof(struct gfs2_dinode),
ip->i_di.di_size);
memset(kaddr + ip->i_di.di_size, 0,
PAGE_CACHE_SIZE - ip->i_di.di_size);
ip->i_disksize);
memset(kaddr + ip->i_disksize, 0,
PAGE_CACHE_SIZE - ip->i_disksize);
kunmap(page);
SetPageUptodate(page);
@ -132,7 +132,7 @@ int gfs2_unstuff_dinode(struct gfs2_inode *ip, struct page *page)
if (error)
goto out;
if (ip->i_di.di_size) {
if (ip->i_disksize) {
/* Get a free block, fill it with the stuffed data,
and write it out to disk */
@ -159,7 +159,7 @@ int gfs2_unstuff_dinode(struct gfs2_inode *ip, struct page *page)
di = (struct gfs2_dinode *)dibh->b_data;
gfs2_buffer_clear_tail(dibh, sizeof(struct gfs2_dinode));
if (ip->i_di.di_size) {
if (ip->i_disksize) {
*(__be64 *)(di + 1) = cpu_to_be64(block);
gfs2_add_inode_blocks(&ip->i_inode, 1);
di->di_blocks = cpu_to_be64(gfs2_get_inode_blocks(&ip->i_inode));
@ -926,7 +926,7 @@ static int do_grow(struct gfs2_inode *ip, u64 size)
}
}
ip->i_di.di_size = size;
ip->i_disksize = size;
ip->i_inode.i_mtime = ip->i_inode.i_ctime = CURRENT_TIME;
gfs2_trans_add_bh(ip->i_gl, dibh, 1);
gfs2_dinode_out(ip, dibh->b_data);
@ -1033,7 +1033,7 @@ static int trunc_start(struct gfs2_inode *ip, u64 size)
goto out;
if (gfs2_is_stuffed(ip)) {
ip->i_di.di_size = size;
ip->i_disksize = size;
ip->i_inode.i_mtime = ip->i_inode.i_ctime = CURRENT_TIME;
gfs2_trans_add_bh(ip->i_gl, dibh, 1);
gfs2_dinode_out(ip, dibh->b_data);
@ -1045,7 +1045,7 @@ static int trunc_start(struct gfs2_inode *ip, u64 size)
error = gfs2_block_truncate_page(ip->i_inode.i_mapping);
if (!error) {
ip->i_di.di_size = size;
ip->i_disksize = size;
ip->i_inode.i_mtime = ip->i_inode.i_ctime = CURRENT_TIME;
ip->i_di.di_flags |= GFS2_DIF_TRUNC_IN_PROG;
gfs2_trans_add_bh(ip->i_gl, dibh, 1);
@ -1114,7 +1114,7 @@ static int trunc_end(struct gfs2_inode *ip)
if (error)
goto out;
if (!ip->i_di.di_size) {
if (!ip->i_disksize) {
ip->i_height = 0;
ip->i_goal = ip->i_no_addr;
gfs2_buffer_clear_tail(dibh, sizeof(struct gfs2_dinode));
@ -1205,9 +1205,9 @@ int gfs2_truncatei(struct gfs2_inode *ip, u64 size)
if (gfs2_assert_warn(GFS2_SB(&ip->i_inode), S_ISREG(ip->i_inode.i_mode)))
return -EINVAL;
if (size > ip->i_di.di_size)
if (size > ip->i_disksize)
error = do_grow(ip, size);
else if (size < ip->i_di.di_size)
else if (size < ip->i_disksize)
error = do_shrink(ip, size);
else
/* update time stamps */
@ -1219,7 +1219,7 @@ int gfs2_truncatei(struct gfs2_inode *ip, u64 size)
int gfs2_truncatei_resume(struct gfs2_inode *ip)
{
int error;
error = trunc_dealloc(ip, ip->i_di.di_size);
error = trunc_dealloc(ip, ip->i_disksize);
if (!error)
error = trunc_end(ip);
return error;
@ -1298,7 +1298,7 @@ int gfs2_write_alloc_required(struct gfs2_inode *ip, u64 offset,
lblock_stop = offset + len + bsize - 1;
do_div(lblock_stop, bsize);
} else {
u64 end_of_file = (ip->i_di.di_size + sdp->sd_sb.sb_bsize - 1) >> shift;
u64 end_of_file = (ip->i_disksize + sdp->sd_sb.sb_bsize - 1) >> shift;
lblock = offset >> shift;
lblock_stop = (offset + len + sdp->sd_sb.sb_bsize - 1) >> shift;
if (lblock_stop > end_of_file)

26
fs/gfs2/dir.c
View File

@ -128,8 +128,8 @@ static int gfs2_dir_write_stuffed(struct gfs2_inode *ip, const char *buf,
gfs2_trans_add_bh(ip->i_gl, dibh, 1);
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;
if (ip->i_disksize < offset + size)
ip->i_disksize = offset + size;
ip->i_inode.i_mtime = ip->i_inode.i_ctime = CURRENT_TIME;
gfs2_dinode_out(ip, dibh->b_data);
@ -226,8 +226,8 @@ out:
if (error)
return error;
if (ip->i_di.di_size < offset + copied)
ip->i_di.di_size = offset + copied;
if (ip->i_disksize < offset + copied)
ip->i_disksize = offset + copied;
ip->i_inode.i_mtime = ip->i_inode.i_ctime = CURRENT_TIME;
gfs2_trans_add_bh(ip->i_gl, dibh, 1);
@ -277,11 +277,11 @@ static int gfs2_dir_read_data(struct gfs2_inode *ip, char *buf, u64 offset,
int copied = 0;
int error = 0;
if (offset >= ip->i_di.di_size)
if (offset >= ip->i_disksize)
return 0;
if (offset + size > ip->i_di.di_size)
size = ip->i_di.di_size - offset;
if (offset + size > ip->i_disksize)
size = ip->i_disksize - offset;
if (!size)
return 0;
@ -760,7 +760,7 @@ static struct gfs2_dirent *gfs2_dirent_search(struct inode *inode,
unsigned hsize = 1 << ip->i_depth;
unsigned index;
u64 ln;
if (hsize * sizeof(u64) != ip->i_di.di_size) {
if (hsize * sizeof(u64) != ip->i_disksize) {
gfs2_consist_inode(ip);
return ERR_PTR(-EIO);
}
@ -905,7 +905,7 @@ static int dir_make_exhash(struct inode *inode)
for (x = sdp->sd_hash_ptrs; x--; lp++)
*lp = cpu_to_be64(bn);
dip->i_di.di_size = sdp->sd_sb.sb_bsize / 2;
dip->i_disksize = sdp->sd_sb.sb_bsize / 2;
gfs2_add_inode_blocks(&dip->i_inode, 1);
dip->i_di.di_flags |= GFS2_DIF_EXHASH;
@ -1082,7 +1082,7 @@ static int dir_double_exhash(struct gfs2_inode *dip)
int error = 0;
hsize = 1 << dip->i_depth;
if (hsize * sizeof(u64) != dip->i_di.di_size) {
if (hsize * sizeof(u64) != dip->i_disksize) {
gfs2_consist_inode(dip);
return -EIO;
}
@ -1091,7 +1091,7 @@ static int dir_double_exhash(struct gfs2_inode *dip)
buf = kcalloc(3, sdp->sd_hash_bsize, GFP_NOFS | __GFP_NOFAIL);
for (block = dip->i_di.di_size >> sdp->sd_hash_bsize_shift; block--;) {
for (block = dip->i_disksize >> sdp->sd_hash_bsize_shift; block--;) {
error = gfs2_dir_read_data(dip, (char *)buf,
block * sdp->sd_hash_bsize,
sdp->sd_hash_bsize, 1);
@ -1370,7 +1370,7 @@ static int dir_e_read(struct inode *inode, u64 *offset, void *opaque,
unsigned depth = 0;
hsize = 1 << dip->i_depth;
if (hsize * sizeof(u64) != dip->i_di.di_size) {
if (hsize * sizeof(u64) != dip->i_disksize) {
gfs2_consist_inode(dip);
return -EIO;
}
@ -1784,7 +1784,7 @@ static int foreach_leaf(struct gfs2_inode *dip, leaf_call_t lc, void *data)
int error = 0;
hsize = 1 << dip->i_depth;
if (hsize * sizeof(u64) != dip->i_di.di_size) {
if (hsize * sizeof(u64) != dip->i_disksize) {
gfs2_consist_inode(dip);
return -EIO;
}

2
fs/gfs2/incore.h
View File

@ -234,7 +234,6 @@ enum {
};
struct gfs2_dinode_host {
u64 di_size; /* number of bytes in file */
u32 di_flags; /* GFS2_DIF_... */
};
@ -244,6 +243,7 @@ struct gfs2_inode {
u64 i_no_formal_ino;
u64 i_generation;
u64 i_eattr;
loff_t i_disksize;
unsigned long i_flags; /* GIF_... */
struct gfs2_dinode_host i_di; /* To be replaced by ref to block */

13
fs/gfs2/inode.c
View File

@ -273,8 +273,8 @@ static int gfs2_dinode_in(struct gfs2_inode *ip, const void *buf)
* to do that.
*/
ip->i_inode.i_nlink = be32_to_cpu(str->di_nlink);
di->di_size = be64_to_cpu(str->di_size);
i_size_write(&ip->i_inode, di->di_size);
ip->i_disksize = be64_to_cpu(str->di_size);
i_size_write(&ip->i_inode, ip->i_disksize);
gfs2_set_inode_blocks(&ip->i_inode, be64_to_cpu(str->di_blocks));
atime.tv_sec = be64_to_cpu(str->di_atime);
atime.tv_nsec = be32_to_cpu(str->di_atime_nsec);
@ -1167,7 +1167,7 @@ int gfs2_readlinki(struct gfs2_inode *ip, char **buf, unsigned int *len)
return error;
}
if (!ip->i_di.di_size) {
if (!ip->i_disksize) {
gfs2_consist_inode(ip);
error = -EIO;
goto out;
@ -1177,7 +1177,7 @@ int gfs2_readlinki(struct gfs2_inode *ip, char **buf, unsigned int *len)
if (error)
goto out;
x = ip->i_di.di_size + 1;
x = ip->i_disksize + 1;
if (x > *len) {
*buf = kmalloc(x, GFP_NOFS);
if (!*buf) {
@ -1255,7 +1255,7 @@ void gfs2_dinode_out(const struct gfs2_inode *ip, void *buf)
str->di_uid = cpu_to_be32(ip->i_inode.i_uid);
str->di_gid = cpu_to_be32(ip->i_inode.i_gid);
str->di_nlink = cpu_to_be32(ip->i_inode.i_nlink);
str->di_size = cpu_to_be64(di->di_size);
str->di_size = cpu_to_be64(ip->i_disksize);
str->di_blocks = cpu_to_be64(gfs2_get_inode_blocks(&ip->i_inode));
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);
@ -1287,7 +1287,8 @@ void gfs2_dinode_print(const struct gfs2_inode *ip)
(unsigned long long)ip->i_no_formal_ino);
printk(KERN_INFO " no_addr = %llu\n",
(unsigned long long)ip->i_no_addr);
printk(KERN_INFO " di_size = %llu\n", (unsigned long long)di->di_size);
printk(KERN_INFO " i_disksize = %llu\n",
(unsigned long long)ip->i_disksize);
printk(KERN_INFO " blocks = %llu\n",
(unsigned long long)gfs2_get_inode_blocks(&ip->i_inode));
printk(KERN_INFO " i_goal = %llu\n",

10
fs/gfs2/ops_address.c
View File

@ -451,8 +451,8 @@ static int stuffed_readpage(struct gfs2_inode *ip, struct page *page)
kaddr = kmap_atomic(page, KM_USER0);
memcpy(kaddr, dibh->b_data + sizeof(struct gfs2_dinode),
ip->i_di.di_size);
memset(kaddr + ip->i_di.di_size, 0, PAGE_CACHE_SIZE - ip->i_di.di_size);
ip->i_disksize);
memset(kaddr + ip->i_disksize, 0, PAGE_CACHE_SIZE - ip->i_disksize);
kunmap_atomic(kaddr, KM_USER0);
flush_dcache_page(page);
brelse(dibh);
@ -780,7 +780,7 @@ static int gfs2_stuffed_write_end(struct inode *inode, struct buffer_head *dibh,
if (inode->i_size < to) {
i_size_write(inode, to);
ip->i_di.di_size = inode->i_size;
ip->i_disksize = inode->i_size;
di->di_size = cpu_to_be64(inode->i_size);
mark_inode_dirty(inode);
}
@ -845,9 +845,9 @@ static int gfs2_write_end(struct file *file, struct address_space *mapping,
ret = generic_write_end(file, mapping, pos, len, copied, page, fsdata);
if (likely(ret >= 0) && (inode->i_size > ip->i_di.di_size)) {
if (likely(ret >= 0) && (inode->i_size > ip->i_disksize)) {
di = (struct gfs2_dinode *)dibh->b_data;
ip->i_di.di_size = inode->i_size;
ip->i_disksize = inode->i_size;
di->di_size = cpu_to_be64(inode->i_size);
mark_inode_dirty(inode);
}

2
fs/gfs2/ops_file.c
View File

@ -478,7 +478,7 @@ static int gfs2_open(struct inode *inode, struct file *file)
goto fail;
if (!(file->f_flags & O_LARGEFILE) &&
ip->i_di.di_size > MAX_NON_LFS) {
ip->i_disksize > MAX_NON_LFS) {
error = -EOVERFLOW;
goto fail_gunlock;
}

2
fs/gfs2/ops_fstype.c
View File

@ -617,7 +617,7 @@ static int map_journal_extents(struct gfs2_sbd *sdp)
prev_db = 0;
for (lb = 0; lb < ip->i_di.di_size >> sdp->sd_sb.sb_bsize_shift; lb++) {
for (lb = 0; lb < ip->i_disksize >> sdp->sd_sb.sb_bsize_shift; lb++) {
bh.b_state = 0;
bh.b_blocknr = 0;
bh.b_size = 1 << ip->i_inode.i_blkbits;

10
fs/gfs2/ops_inode.c
View File

@ -371,7 +371,7 @@ static int gfs2_symlink(struct inode *dir, struct dentry *dentry,
ip = ghs[1].gh_gl->gl_object;
ip->i_di.di_size = size;
ip->i_disksize = size;
error = gfs2_meta_inode_buffer(ip, &dibh);
@ -425,7 +425,7 @@ static int gfs2_mkdir(struct inode *dir, struct dentry *dentry, int mode)
ip = ghs[1].gh_gl->gl_object;
ip->i_inode.i_nlink = 2;
ip->i_di.di_size = sdp->sd_sb.sb_bsize - sizeof(struct gfs2_dinode);
ip->i_disksize = sdp->sd_sb.sb_bsize - sizeof(struct gfs2_dinode);
ip->i_di.di_flags |= GFS2_DIF_JDATA;
ip->i_entries = 2;
@ -990,7 +990,7 @@ static int setattr_size(struct inode *inode, struct iattr *attr)
struct gfs2_sbd *sdp = GFS2_SB(inode);
int error;
if (attr->ia_size != ip->i_di.di_size) {
if (attr->ia_size != ip->i_disksize) {
error = gfs2_trans_begin(sdp, 0, sdp->sd_jdesc->jd_blocks);
if (error)
return error;
@ -1001,8 +1001,8 @@ static int setattr_size(struct inode *inode, struct iattr *attr)
}
error = gfs2_truncatei(ip, attr->ia_size);
if (error && (inode->i_size != ip->i_di.di_size))
i_size_write(inode, ip->i_di.di_size);
if (error && (inode->i_size != ip->i_disksize))
i_size_write(inode, ip->i_disksize);
return error;
}

6
fs/gfs2/quota.c
View File

@ -1100,15 +1100,15 @@ static void gfs2_quota_change_in(struct gfs2_quota_change_host *qc, const void *
int gfs2_quota_init(struct gfs2_sbd *sdp)
{
struct gfs2_inode *ip = GFS2_I(sdp->sd_qc_inode);
unsigned int blocks = ip->i_di.di_size >> sdp->sd_sb.sb_bsize_shift;
unsigned int blocks = ip->i_disksize >> 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_di.di_size || ip->i_di.di_size > (64 << 20) ||
ip->i_di.di_size & (sdp->sd_sb.sb_bsize - 1)) {
if (!ip->i_disksize || ip->i_disksize > (64 << 20) ||
ip->i_disksize & (sdp->sd_sb.sb_bsize - 1)) {
gfs2_consist_inode(ip);
return -EIO;
}

6
fs/gfs2/rgrp.c
View File

@ -501,7 +501,7 @@ u64 gfs2_ri_total(struct gfs2_sbd *sdp)
for (rgrps = 0;; rgrps++) {
loff_t pos = rgrps * sizeof(struct gfs2_rindex);
if (pos + sizeof(struct gfs2_rindex) >= ip->i_di.di_size)
if (pos + sizeof(struct gfs2_rindex) >= ip->i_disksize)
break;
error = gfs2_internal_read(ip, &ra_state, buf, &pos,
sizeof(struct gfs2_rindex));
@ -590,7 +590,7 @@ static int gfs2_ri_update(struct gfs2_inode *ip)
struct gfs2_sbd *sdp = GFS2_SB(&ip->i_inode);
struct inode *inode = &ip->i_inode;
struct file_ra_state ra_state;
u64 rgrp_count = ip->i_di.di_size;
u64 rgrp_count = ip->i_disksize;
int error;
if (do_div(rgrp_count, sizeof(struct gfs2_rindex))) {
@ -634,7 +634,7 @@ static int gfs2_ri_update_special(struct gfs2_inode *ip)
for (sdp->sd_rgrps = 0;; sdp->sd_rgrps++) {
/* Ignore partials */
if ((sdp->sd_rgrps + 1) * sizeof(struct gfs2_rindex) >
ip->i_di.di_size)
ip->i_disksize)
break;
error = read_rindex_entry(ip, &ra_state);
if (error) {

8
fs/gfs2/super.c
View File

@ -206,14 +206,14 @@ int gfs2_jdesc_check(struct gfs2_jdesc *jd)
int ar;
int error;
if (ip->i_di.di_size < (8 << 20) || ip->i_di.di_size > (1 << 30) ||
(ip->i_di.di_size & (sdp->sd_sb.sb_bsize - 1))) {
if (ip->i_disksize < (8 << 20) || ip->i_disksize > (1 << 30) ||
(ip->i_disksize & (sdp->sd_sb.sb_bsize - 1))) {
gfs2_consist_inode(ip);
return -EIO;
}
jd->jd_blocks = ip->i_di.di_size >> sdp->sd_sb.sb_bsize_shift;
jd->jd_blocks = ip->i_disksize >> sdp->sd_sb.sb_bsize_shift;
error = gfs2_write_alloc_required(ip, 0, ip->i_di.di_size, &ar);
error = gfs2_write_alloc_required(ip, 0, ip->i_disksize, &ar);
if (!error && ar) {
gfs2_consist_inode(ip);
error = -EIO;