int bext2_sync_file (struct inode * inode, struct file * file)
{
int wait, err = 0;
if (!(S_ISREG(inode->i_mode) || S_ISDIR(inode->i_mode) ||
S_ISLNK(inode->i_mode)))
return -EINVAL;
if (S_ISLNK(inode->i_mode) && !(inode->i_blocks))
/*
* Don't sync fast links!
*/
goto skip;
for (wait=0; wait<=1; wait++)
{
err |= sync_direct (inode, wait);
err |= sync_indirect (inode,
inode->u.ext2_i.i_data+EXT2_IND_BLOCK,
wait);
err |= sync_dindirect (inode,
inode->u.ext2_i.i_data+EXT2_DIND_BLOCK,
wait);
err |= sync_tindirect (inode,
inode->u.ext2_i.i_data+EXT2_TIND_BLOCK,
wait);
}
skip:
err |= bext2_sync_inode (inode);
return (err < 0) ? -EIO : 0;
}
static int sync_dindirect(struct inode *inode, u32 *diblockp, int convert,
int wait)
{
int i;
struct buffer_head * dind_bh;
int rc, err = 0;
struct super_block * sb;
rc = sync_iblock (inode, diblockp, convert, &dind_bh, wait);
if (rc || !dind_bh)
return rc;
sb = inode->i_sb;
for (i = 0; i < sb->sv_ind_per_block; i++) {
rc = sync_indirect (inode,
((u32 *) dind_bh->b_data) + i, sb->sv_convert,
wait);
if (rc > 0)
break;
if (rc)
err = rc;
}
brelse(dind_bh);
return err;
}
int sysv_sync_file(struct file * file, struct dentry *dentry, int datasync)
{
int wait, err = 0;
struct inode *inode = dentry->d_inode;
if (!(S_ISREG(inode->i_mode) || S_ISDIR(inode->i_mode) ||
S_ISLNK(inode->i_mode)))
return -EINVAL;
lock_kernel();
for (wait=0; wait<=1; wait++) {
err |= sync_direct(inode, wait);
err |= sync_indirect(inode, inode->u.sysv_i.i_data+10, 0, wait);
err |= sync_dindirect(inode, inode->u.sysv_i.i_data+11, 0, wait);
err |= sync_tindirect(inode, inode->u.sysv_i.i_data+12, 0, wait);
}
err |= sysv_sync_inode (inode);
unlock_kernel();
return (err < 0) ? -EIO : 0;
}
static int sync_dindirect (struct inode * inode, u32 * diblock, int wait)
{
int i;
struct buffer_head * dind_bh;
int rc, err = 0;
rc = sync_iblock (inode, diblock, &dind_bh, wait);
if (rc || !dind_bh)
return rc;
for (i = 0; i < addr_per_block; i++) {
rc = sync_indirect (inode,
((u32 *) dind_bh->b_data) + i,
wait);
if (rc > 0)
break;
if (rc)
err = rc;
}
brelse (dind_bh);
return err;
}