static u64 ufs_alloc_fragments(struct inode *inode, unsigned cgno,
u64 goal, unsigned count, int *err)
{
struct super_block * sb;
struct ufs_sb_private_info * uspi;
struct ufs_super_block_first * usb1;
struct ufs_cg_private_info * ucpi;
struct ufs_cylinder_group * ucg;
unsigned oldcg, i, j, k, allocsize;
u64 result;
UFSD("ENTER, ino %lu, cgno %u, goal %llu, count %u\n",
inode->i_ino, cgno, (unsigned long long)goal, count);
sb = inode->i_sb;
uspi = UFS_SB(sb)->s_uspi;
usb1 = ubh_get_usb_first(uspi);
oldcg = cgno;
/*
* 1. searching on preferred cylinder group
*/
UFS_TEST_FREE_SPACE_CG
/*
* 2. quadratic rehash
*/
for (j = 1; j < uspi->s_ncg; j *= 2) {
cgno += j;
if (cgno >= uspi->s_ncg)
cgno -= uspi->s_ncg;
UFS_TEST_FREE_SPACE_CG
}
/*
* 3. brute force search
* We start at i = 2 ( 0 is checked at 1.step, 1 at 2.step )
*/
cgno = (oldcg + 1) % uspi->s_ncg;
for (j = 2; j < uspi->s_ncg; j++) {
cgno++;
if (cgno >= uspi->s_ncg)
cgno = 0;
UFS_TEST_FREE_SPACE_CG
}
UFSD("EXIT (FAILED)\n");
return 0;
cg_found:
ucpi = ufs_load_cylinder (sb, cgno);
if (!ucpi)
return 0;
ucg = ubh_get_ucg (UCPI_UBH(ucpi));
if (!ufs_cg_chkmagic(sb, ucg))
ufs_panic (sb, "ufs_alloc_fragments",
"internal error, bad magic number on cg %u", cgno);
ucg->cg_time = cpu_to_fs32(sb, get_seconds());
if (count == uspi->s_fpb) {
result = ufs_alloccg_block (inode, ucpi, goal, err);
if (result == INVBLOCK)
return 0;
goto succed;
}
for (allocsize = count; allocsize < uspi->s_fpb; allocsize++)
if (fs32_to_cpu(sb, ucg->cg_frsum[allocsize]) != 0)
break;
if (allocsize == uspi->s_fpb) {
result = ufs_alloccg_block (inode, ucpi, goal, err);
if (result == INVBLOCK)
return 0;
goal = ufs_dtogd(uspi, result);
for (i = count; i < uspi->s_fpb; i++)
ubh_setbit (UCPI_UBH(ucpi), ucpi->c_freeoff, goal + i);
i = uspi->s_fpb - count;
DQUOT_FREE_BLOCK(inode, i);
fs32_add(sb, &ucg->cg_cs.cs_nffree, i);
uspi->cs_total.cs_nffree += i;
fs32_add(sb, &UFS_SB(sb)->fs_cs(cgno).cs_nffree, i);
fs32_add(sb, &ucg->cg_frsum[i], 1);
goto succed;
}
result = ufs_bitmap_search (sb, ucpi, goal, allocsize);
if (result == INVBLOCK)
return 0;
if(DQUOT_ALLOC_BLOCK(inode, count)) {
*err = -EDQUOT;
return 0;
}
for (i = 0; i < count; i++)
ubh_clrbit (UCPI_UBH(ucpi), ucpi->c_freeoff, result + i);
fs32_sub(sb, &ucg->cg_cs.cs_nffree, count);
uspi->cs_total.cs_nffree -= count;
fs32_sub(sb, &UFS_SB(sb)->fs_cs(cgno).cs_nffree, count);
fs32_sub(sb, &ucg->cg_frsum[allocsize], 1);
if (count != allocsize)
fs32_add(sb, &ucg->cg_frsum[allocsize - count], 1);
succed:
ubh_mark_buffer_dirty (USPI_UBH(uspi));
ubh_mark_buffer_dirty (UCPI_UBH(ucpi));
if (sb->s_flags & MS_SYNCHRONOUS) {
ubh_ll_rw_block(SWRITE, UCPI_UBH(ucpi));
ubh_wait_on_buffer (UCPI_UBH(ucpi));
}
mark_sb_dirty(sb);
result += cgno * uspi->s_fpg;
UFSD("EXIT3, result %llu\n", (unsigned long long)result);
return result;
}
/*
* Free 'count' fragments from fragment number 'fragment'
*/
void ufs_free_fragments(struct inode *inode, u64 fragment, unsigned count)
{
struct super_block * sb;
struct ufs_sb_private_info * uspi;
struct ufs_super_block_first * usb1;
struct ufs_cg_private_info * ucpi;
struct ufs_cylinder_group * ucg;
unsigned cgno, bit, end_bit, bbase, blkmap, i;
u64 blkno;
sb = inode->i_sb;
uspi = UFS_SB(sb)->s_uspi;
usb1 = ubh_get_usb_first(uspi);
UFSD("ENTER, fragment %llu, count %u\n",
(unsigned long long)fragment, count);
if (ufs_fragnum(fragment) + count > uspi->s_fpg)
ufs_error (sb, "ufs_free_fragments", "internal error");
lock_super(sb);
cgno = ufs_dtog(uspi, fragment);
bit = ufs_dtogd(uspi, fragment);
if (cgno >= uspi->s_ncg) {
ufs_panic (sb, "ufs_free_fragments", "freeing blocks are outside device");
goto failed;
}
ucpi = ufs_load_cylinder (sb, cgno);
if (!ucpi)
goto failed;
ucg = ubh_get_ucg (UCPI_UBH(ucpi));
if (!ufs_cg_chkmagic(sb, ucg)) {
ufs_panic (sb, "ufs_free_fragments", "internal error, bad magic number on cg %u", cgno);
goto failed;
}
end_bit = bit + count;
bbase = ufs_blknum (bit);
blkmap = ubh_blkmap (UCPI_UBH(ucpi), ucpi->c_freeoff, bbase);
ufs_fragacct (sb, blkmap, ucg->cg_frsum, -1);
for (i = bit; i < end_bit; i++) {
if (ubh_isclr (UCPI_UBH(ucpi), ucpi->c_freeoff, i))
ubh_setbit (UCPI_UBH(ucpi), ucpi->c_freeoff, i);
else
ufs_error (sb, "ufs_free_fragments",
"bit already cleared for fragment %u", i);
}
DQUOT_FREE_BLOCK (inode, count);
fs32_add(sb, &ucg->cg_cs.cs_nffree, count);
uspi->cs_total.cs_nffree += count;
fs32_add(sb, &UFS_SB(sb)->fs_cs(cgno).cs_nffree, count);
blkmap = ubh_blkmap (UCPI_UBH(ucpi), ucpi->c_freeoff, bbase);
ufs_fragacct(sb, blkmap, ucg->cg_frsum, 1);
/*
* Trying to reassemble free fragments into block
*/
blkno = ufs_fragstoblks (bbase);
if (ubh_isblockset(UCPI_UBH(ucpi), ucpi->c_freeoff, blkno)) {
fs32_sub(sb, &ucg->cg_cs.cs_nffree, uspi->s_fpb);
uspi->cs_total.cs_nffree -= uspi->s_fpb;
fs32_sub(sb, &UFS_SB(sb)->fs_cs(cgno).cs_nffree, uspi->s_fpb);
if ((UFS_SB(sb)->s_flags & UFS_CG_MASK) == UFS_CG_44BSD)
ufs_clusteracct (sb, ucpi, blkno, 1);
fs32_add(sb, &ucg->cg_cs.cs_nbfree, 1);
uspi->cs_total.cs_nbfree++;
fs32_add(sb, &UFS_SB(sb)->fs_cs(cgno).cs_nbfree, 1);
if (uspi->fs_magic != UFS2_MAGIC) {
unsigned cylno = ufs_cbtocylno (bbase);
fs16_add(sb, &ubh_cg_blks(ucpi, cylno,
ufs_cbtorpos(bbase)), 1);
fs32_add(sb, &ubh_cg_blktot(ucpi, cylno), 1);
}
}
ubh_mark_buffer_dirty (USPI_UBH(uspi));
ubh_mark_buffer_dirty (UCPI_UBH(ucpi));
if (sb->s_flags & MS_SYNCHRONOUS) {
ubh_ll_rw_block(SWRITE, UCPI_UBH(ucpi));
ubh_wait_on_buffer (UCPI_UBH(ucpi));
}
mark_sb_dirty(sb);
unlock_super (sb);
UFSD("EXIT\n");
return;
failed:
unlock_super (sb);
UFSD("EXIT (FAILED)\n");
return;
}
/*
* There are two policies for allocating an inode. If the new inode is
* a directory, then a forward search is made for a block group with both
* free space and a low directory-to-inode ratio; if that fails, then of
* the groups with above-average free space, that group with the fewest
* directories already is chosen.
*
* For other inodes, search forward from the parent directory's block
* group to find a free inode.
*/
struct inode * ufs_new_inode(struct inode * dir, int mode)
{
struct super_block * sb;
struct ufs_sb_info * sbi;
struct ufs_sb_private_info * uspi;
struct ufs_super_block_first * usb1;
struct ufs_cg_private_info * ucpi;
struct ufs_cylinder_group * ucg;
struct inode * inode;
unsigned cg, bit, i, j, start;
struct ufs_inode_info *ufsi;
UFSD(("ENTER\n"))
/* Cannot create files in a deleted directory */
if (!dir || !dir->i_nlink)
return ERR_PTR(-EPERM);
sb = dir->i_sb;
inode = new_inode(sb);
if (!inode)
return ERR_PTR(-ENOMEM);
ufsi = UFS_I(inode);
sbi = UFS_SB(sb);
uspi = sbi->s_uspi;
usb1 = ubh_get_usb_first(USPI_UBH);
lock_super (sb);
/*
* Try to place the inode in its parent directory
*/
i = ufs_inotocg(dir->i_ino);
if (sbi->fs_cs(i).cs_nifree) {
cg = i;
goto cg_found;
}
/*
* Use a quadratic hash to find a group with a free inode
*/
for ( j = 1; j < uspi->s_ncg; j <<= 1 ) {
i += j;
if (i >= uspi->s_ncg)
i -= uspi->s_ncg;
if (sbi->fs_cs(i).cs_nifree) {
cg = i;
goto cg_found;
}
}
/*
* That failed: try linear search for a free inode
*/
i = ufs_inotocg(dir->i_ino) + 1;
for (j = 2; j < uspi->s_ncg; j++) {
i++;
if (i >= uspi->s_ncg)
i = 0;
if (sbi->fs_cs(i).cs_nifree) {
cg = i;
goto cg_found;
}
}
goto failed;
cg_found:
ucpi = ufs_load_cylinder (sb, cg);
if (!ucpi)
goto failed;
ucg = ubh_get_ucg(UCPI_UBH);
if (!ufs_cg_chkmagic(sb, ucg))
ufs_panic (sb, "ufs_new_inode", "internal error, bad cg magic number");
start = ucpi->c_irotor;
bit = ubh_find_next_zero_bit (UCPI_UBH, ucpi->c_iusedoff, uspi->s_ipg, start);
if (!(bit < uspi->s_ipg)) {
bit = ubh_find_first_zero_bit (UCPI_UBH, ucpi->c_iusedoff, start);
if (!(bit < start)) {
ufs_error (sb, "ufs_new_inode",
"cylinder group %u corrupted - error in inode bitmap\n", cg);
goto failed;
}
}
UFSD(("start = %u, bit = %u, ipg = %u\n", start, bit, uspi->s_ipg))
if (ubh_isclr (UCPI_UBH, ucpi->c_iusedoff, bit))
ubh_setbit (UCPI_UBH, ucpi->c_iusedoff, bit);
else {
ufs_panic (sb, "ufs_new_inode", "internal error");
goto failed;
}
fs32_sub(sb, &ucg->cg_cs.cs_nifree, 1);
fs32_sub(sb, &usb1->fs_cstotal.cs_nifree, 1);
fs32_sub(sb, &sbi->fs_cs(cg).cs_nifree, 1);
if (S_ISDIR(mode)) {
fs32_add(sb, &ucg->cg_cs.cs_ndir, 1);
fs32_add(sb, &usb1->fs_cstotal.cs_ndir, 1);
fs32_add(sb, &sbi->fs_cs(cg).cs_ndir, 1);
}
ubh_mark_buffer_dirty (USPI_UBH);
ubh_mark_buffer_dirty (UCPI_UBH);
if (sb->s_flags & MS_SYNCHRONOUS) {
ubh_wait_on_buffer (UCPI_UBH);
ubh_ll_rw_block (WRITE, 1, (struct ufs_buffer_head **) &ucpi);
ubh_wait_on_buffer (UCPI_UBH);
}
sb->s_dirt = 1;
inode->i_mode = mode;
inode->i_uid = current->fsuid;
if (dir->i_mode & S_ISGID) {
inode->i_gid = dir->i_gid;
if (S_ISDIR(mode))
inode->i_mode |= S_ISGID;
} else
inode->i_gid = current->fsgid;
inode->i_ino = cg * uspi->s_ipg + bit;
inode->i_blksize = PAGE_SIZE; /* This is the optimal IO size (for stat), not the fs block size */
inode->i_blocks = 0;
inode->i_mtime = inode->i_atime = inode->i_ctime = CURRENT_TIME_SEC;
ufsi->i_flags = UFS_I(dir)->i_flags;
ufsi->i_lastfrag = 0;
ufsi->i_gen = 0;
ufsi->i_shadow = 0;
ufsi->i_osync = 0;
ufsi->i_oeftflag = 0;
memset(&ufsi->i_u1, 0, sizeof(ufsi->i_u1));
insert_inode_hash(inode);
mark_inode_dirty(inode);
unlock_super (sb);
if (DQUOT_ALLOC_INODE(inode)) {
DQUOT_DROP(inode);
inode->i_flags |= S_NOQUOTA;
inode->i_nlink = 0;
iput(inode);
return ERR_PTR(-EDQUOT);
}
UFSD(("allocating inode %lu\n", inode->i_ino))
UFSD(("EXIT\n"))
return inode;
failed:
unlock_super (sb);
make_bad_inode(inode);
iput (inode);
UFSD(("EXIT (FAILED)\n"))
return ERR_PTR(-ENOSPC);
}
/*
* There are two policies for allocating an inode. If the new inode is
* a directory, then a forward search is made for a block group with both
* free space and a low directory-to-inode ratio; if that fails, then of
* the groups with above-average free space, that group with the fewest
* directories already is chosen.
*
* For other inodes, search forward from the parent directory's block
* group to find a free inode.
*/
struct inode * ufs_new_inode(struct inode * dir, int mode)
{
struct super_block * sb;
struct ufs_sb_info * sbi;
struct ufs_sb_private_info * uspi;
struct ufs_super_block_first * usb1;
struct ufs_cg_private_info * ucpi;
struct ufs_cylinder_group * ucg;
struct inode * inode;
unsigned cg, bit, i, j, start;
struct ufs_inode_info *ufsi;
int err = -ENOSPC;
UFSD("ENTER\n");
/* Cannot create files in a deleted directory */
if (!dir || !dir->i_nlink)
return ERR_PTR(-EPERM);
sb = dir->i_sb;
inode = new_inode(sb);
if (!inode)
return ERR_PTR(-ENOMEM);
ufsi = UFS_I(inode);
sbi = UFS_SB(sb);
uspi = sbi->s_uspi;
usb1 = ubh_get_usb_first(uspi);
lock_super (sb);
/*
* Try to place the inode in its parent directory
*/
i = ufs_inotocg(dir->i_ino);
if (sbi->fs_cs(i).cs_nifree) {
cg = i;
goto cg_found;
}
/*
* Use a quadratic hash to find a group with a free inode
*/
for ( j = 1; j < uspi->s_ncg; j <<= 1 ) {
i += j;
if (i >= uspi->s_ncg)
i -= uspi->s_ncg;
if (sbi->fs_cs(i).cs_nifree) {
cg = i;
goto cg_found;
}
}
/*
* That failed: try linear search for a free inode
*/
i = ufs_inotocg(dir->i_ino) + 1;
for (j = 2; j < uspi->s_ncg; j++) {
i++;
if (i >= uspi->s_ncg)
i = 0;
if (sbi->fs_cs(i).cs_nifree) {
cg = i;
goto cg_found;
}
}
goto failed;
cg_found:
ucpi = ufs_load_cylinder (sb, cg);
if (!ucpi) {
err = -EIO;
goto failed;
}
ucg = ubh_get_ucg(UCPI_UBH(ucpi));
if (!ufs_cg_chkmagic(sb, ucg))
ufs_panic (sb, "ufs_new_inode", "internal error, bad cg magic number");
start = ucpi->c_irotor;
bit = ubh_find_next_zero_bit (UCPI_UBH(ucpi), ucpi->c_iusedoff, uspi->s_ipg, start);
if (!(bit < uspi->s_ipg)) {
bit = ubh_find_first_zero_bit (UCPI_UBH(ucpi), ucpi->c_iusedoff, start);
if (!(bit < start)) {
ufs_error (sb, "ufs_new_inode",
"cylinder group %u corrupted - error in inode bitmap\n", cg);
err = -EIO;
goto failed;
}
}
UFSD("start = %u, bit = %u, ipg = %u\n", start, bit, uspi->s_ipg);
if (ubh_isclr (UCPI_UBH(ucpi), ucpi->c_iusedoff, bit))
ubh_setbit (UCPI_UBH(ucpi), ucpi->c_iusedoff, bit);
else {
ufs_panic (sb, "ufs_new_inode", "internal error");
err = -EIO;
goto failed;
}
if (uspi->fs_magic == UFS2_MAGIC) {
u32 initediblk = fs32_to_cpu(sb, ucg->cg_u.cg_u2.cg_initediblk);
if (bit + uspi->s_inopb > initediblk &&
initediblk < fs32_to_cpu(sb, ucg->cg_u.cg_u2.cg_niblk))
ufs2_init_inodes_chunk(sb, ucpi, ucg);
}
fs32_sub(sb, &ucg->cg_cs.cs_nifree, 1);
uspi->cs_total.cs_nifree--;
fs32_sub(sb, &sbi->fs_cs(cg).cs_nifree, 1);
if (S_ISDIR(mode)) {
fs32_add(sb, &ucg->cg_cs.cs_ndir, 1);
uspi->cs_total.cs_ndir++;
fs32_add(sb, &sbi->fs_cs(cg).cs_ndir, 1);
}
ubh_mark_buffer_dirty (USPI_UBH(uspi));
ubh_mark_buffer_dirty (UCPI_UBH(ucpi));
if (sb->s_flags & MS_SYNCHRONOUS) {
ubh_ll_rw_block(SWRITE, UCPI_UBH(ucpi));
ubh_wait_on_buffer (UCPI_UBH(ucpi));
}
sb->s_dirt = 1;
inode->i_ino = cg * uspi->s_ipg + bit;
inode->i_mode = mode;
inode->i_uid = current->fsuid;
if (dir->i_mode & S_ISGID) {
inode->i_gid = dir->i_gid;
if (S_ISDIR(mode))
inode->i_mode |= S_ISGID;
} else
inode->i_gid = current->fsgid;
inode->i_blocks = 0;
inode->i_generation = 0;
inode->i_mtime = inode->i_atime = inode->i_ctime = CURRENT_TIME_SEC;
ufsi->i_flags = UFS_I(dir)->i_flags;
ufsi->i_lastfrag = 0;
ufsi->i_shadow = 0;
ufsi->i_osync = 0;
ufsi->i_oeftflag = 0;
ufsi->i_dir_start_lookup = 0;
memset(&ufsi->i_u1, 0, sizeof(ufsi->i_u1));
insert_inode_hash(inode);
mark_inode_dirty(inode);
if (uspi->fs_magic == UFS2_MAGIC) {
struct buffer_head *bh;
struct ufs2_inode *ufs2_inode;
/*
* setup birth date, we do it here because of there is no sense
* to hold it in struct ufs_inode_info, and lose 64 bit
*/
bh = sb_bread(sb, uspi->s_sbbase + ufs_inotofsba(inode->i_ino));
if (!bh) {
ufs_warning(sb, "ufs_read_inode",
"unable to read inode %lu\n",
inode->i_ino);
err = -EIO;
goto fail_remove_inode;
}
lock_buffer(bh);
ufs2_inode = (struct ufs2_inode *)bh->b_data;
ufs2_inode += ufs_inotofsbo(inode->i_ino);
ufs2_inode->ui_birthtime = cpu_to_fs64(sb, CURRENT_TIME.tv_sec);
ufs2_inode->ui_birthnsec = cpu_to_fs32(sb, CURRENT_TIME.tv_nsec);
mark_buffer_dirty(bh);
unlock_buffer(bh);
if (sb->s_flags & MS_SYNCHRONOUS)
sync_dirty_buffer(bh);
brelse(bh);
}
unlock_super (sb);
if (DQUOT_ALLOC_INODE(inode)) {
DQUOT_DROP(inode);
err = -EDQUOT;
goto fail_without_unlock;
}
UFSD("allocating inode %lu\n", inode->i_ino);
UFSD("EXIT\n");
return inode;
fail_remove_inode:
unlock_super(sb);
fail_without_unlock:
inode->i_flags |= S_NOQUOTA;
inode->i_nlink = 0;
iput(inode);
UFSD("EXIT (FAILED): err %d\n", err);
return ERR_PTR(err);
failed:
unlock_super (sb);
make_bad_inode(inode);
iput (inode);
UFSD("EXIT (FAILED): err %d\n", err);
return ERR_PTR(err);
}
/*
* Free 'count' fragments from fragment number 'fragment'
*/
void ufs_free_fragments (struct inode * inode, unsigned fragment, unsigned count) {
struct super_block * sb;
struct ufs_sb_private_info * uspi;
struct ufs_super_block_first * usb1;
struct ufs_cg_private_info * ucpi;
struct ufs_cylinder_group * ucg;
unsigned cgno, bit, end_bit, bbase, blkmap, i, blkno, cylno;
unsigned swab;
sb = inode->i_sb;
uspi = sb->u.ufs_sb.s_uspi;
swab = sb->u.ufs_sb.s_swab;
usb1 = ubh_get_usb_first(USPI_UBH);
UFSD(("ENTER, fragment %u, count %u\n", fragment, count))
if (ufs_fragnum(fragment) + count > uspi->s_fpg)
ufs_error (sb, "ufs_free_fragments", "internal error");
lock_super(sb);
cgno = ufs_dtog(fragment);
bit = ufs_dtogd(fragment);
if (cgno >= uspi->s_ncg) {
ufs_panic (sb, "ufs_free_fragments", "freeing blocks are outside device");
goto failed;
}
ucpi = ufs_load_cylinder (sb, cgno);
if (!ucpi)
goto failed;
ucg = ubh_get_ucg (UCPI_UBH);
if (!ufs_cg_chkmagic (ucg)) {
ufs_panic (sb, "ufs_free_fragments", "internal error, bad magic number on cg %u", cgno);
goto failed;
}
end_bit = bit + count;
bbase = ufs_blknum (bit);
blkmap = ubh_blkmap (UCPI_UBH, ucpi->c_freeoff, bbase);
ufs_fragacct (sb, blkmap, ucg->cg_frsum, -1);
for (i = bit; i < end_bit; i++) {
if (ubh_isclr (UCPI_UBH, ucpi->c_freeoff, i))
ubh_setbit (UCPI_UBH, ucpi->c_freeoff, i);
else ufs_error (sb, "ufs_free_fragments",
"bit already cleared for fragment %u", i);
}
DQUOT_FREE_BLOCK (sb, inode, count);
ADD_SWAB32(ucg->cg_cs.cs_nffree, count);
ADD_SWAB32(usb1->fs_cstotal.cs_nffree, count);
ADD_SWAB32(sb->fs_cs(cgno).cs_nffree, count);
blkmap = ubh_blkmap (UCPI_UBH, ucpi->c_freeoff, bbase);
ufs_fragacct(sb, blkmap, ucg->cg_frsum, 1);
/*
* Trying to reassemble free fragments into block
*/
blkno = ufs_fragstoblks (bbase);
if (ubh_isblockset(UCPI_UBH, ucpi->c_freeoff, blkno)) {
SUB_SWAB32(ucg->cg_cs.cs_nffree, uspi->s_fpb);
SUB_SWAB32(usb1->fs_cstotal.cs_nffree, uspi->s_fpb);
SUB_SWAB32(sb->fs_cs(cgno).cs_nffree, uspi->s_fpb);
if ((sb->u.ufs_sb.s_flags & UFS_CG_MASK) == UFS_CG_44BSD)
ufs_clusteracct (sb, ucpi, blkno, 1);
INC_SWAB32(ucg->cg_cs.cs_nbfree);
INC_SWAB32(usb1->fs_cstotal.cs_nbfree);
INC_SWAB32(sb->fs_cs(cgno).cs_nbfree);
cylno = ufs_cbtocylno (bbase);
INC_SWAB16(ubh_cg_blks (ucpi, cylno, ufs_cbtorpos(bbase)));
INC_SWAB32(ubh_cg_blktot (ucpi, cylno));
}
ubh_mark_buffer_dirty (USPI_UBH);
ubh_mark_buffer_dirty (UCPI_UBH);
if (sb->s_flags & MS_SYNCHRONOUS) {
ubh_ll_rw_block (WRITE, 1, (struct ufs_buffer_head **)&ucpi);
ubh_wait_on_buffer (UCPI_UBH);
}
sb->s_dirt = 1;
unlock_super (sb);
UFSD(("EXIT\n"))
return;
failed:
unlock_super (sb);
UFSD(("EXIT (FAILED)\n"))
return;
}