static int ufs_statfs(struct dentry *dentry, struct kstatfs *buf) { struct super_block *sb = dentry->d_sb; struct ufs_sb_private_info *uspi= UFS_SB(sb)->s_uspi; unsigned flags = UFS_SB(sb)->s_flags; struct ufs_super_block_third *usb3; u64 id = huge_encode_dev(sb->s_bdev->bd_dev); mutex_lock(&UFS_SB(sb)->s_lock); usb3 = ubh_get_usb_third(uspi); if ((flags & UFS_TYPE_MASK) == UFS_TYPE_UFS2) { buf->f_type = UFS2_MAGIC; buf->f_blocks = fs64_to_cpu(sb, usb3->fs_un1.fs_u2.fs_dsize); } else { buf->f_type = UFS_MAGIC; buf->f_blocks = uspi->s_dsize; } buf->f_bfree = ufs_blkstofrags(uspi->cs_total.cs_nbfree) + uspi->cs_total.cs_nffree; buf->f_ffree = uspi->cs_total.cs_nifree; buf->f_bsize = sb->s_blocksize; buf->f_bavail = (buf->f_bfree > (((long)buf->f_blocks / 100) * uspi->s_minfree)) ? (buf->f_bfree - (((long)buf->f_blocks / 100) * uspi->s_minfree)) : 0; buf->f_files = uspi->s_ncg * uspi->s_ipg; buf->f_namelen = UFS_MAXNAMLEN; buf->f_fsid.val[0] = (u32)id; buf->f_fsid.val[1] = (u32)(id >> 32); mutex_unlock(&UFS_SB(sb)->s_lock); return 0; }
static int ufs_statfs(struct dentry *dentry, struct kstatfs *buf) { struct super_block *sb = dentry->d_sb; struct ufs_sb_private_info *uspi= UFS_SB(sb)->s_uspi; unsigned flags = UFS_SB(sb)->s_flags; struct ufs_super_block_first *usb1; struct ufs_super_block_second *usb2; struct ufs_super_block_third *usb3; lock_kernel(); usb1 = ubh_get_usb_first(uspi); usb2 = ubh_get_usb_second(uspi); usb3 = ubh_get_usb_third(uspi); if ((flags & UFS_TYPE_MASK) == UFS_TYPE_UFS2) { buf->f_type = UFS2_MAGIC; buf->f_blocks = fs64_to_cpu(sb, usb3->fs_un1.fs_u2.fs_dsize); } else { buf->f_type = UFS_MAGIC; buf->f_blocks = uspi->s_dsize; } buf->f_bfree = ufs_blkstofrags(uspi->cs_total.cs_nbfree) + uspi->cs_total.cs_nffree; buf->f_ffree = uspi->cs_total.cs_nifree; buf->f_bsize = sb->s_blocksize; buf->f_bavail = (buf->f_bfree > (((long)buf->f_blocks / 100) * uspi->s_minfree)) ? (buf->f_bfree - (((long)buf->f_blocks / 100) * uspi->s_minfree)) : 0; buf->f_files = uspi->s_ncg * uspi->s_ipg; buf->f_namelen = UFS_MAXNAMLEN; unlock_kernel(); return 0; }