Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux...
[pandora-kernel.git] / fs / ufs / super.c
index db98a4c..992ee0b 100644 (file)
@@ -64,7 +64,6 @@
  */
 
 
-#include <linux/config.h>
 #include <linux/module.h>
 #include <linux/bitops.h>
 
 #include "swab.h"
 #include "util.h"
 
-#undef UFS_SUPER_DEBUG
-#undef UFS_SUPER_DEBUG_MORE
-
-
-#undef UFS_SUPER_DEBUG_MORE
-#ifdef UFS_SUPER_DEBUG
-#define UFSD(x) printk("(%s, %d), %s: ", __FILE__, __LINE__, __FUNCTION__); printk x;
-#else
-#define UFSD(x)
-#endif
-
-#ifdef UFS_SUPER_DEBUG_MORE
+#ifdef CONFIG_UFS_DEBUG
 /*
  * Print contents of ufs_super_block, useful for debugging
  */
-void ufs_print_super_stuff(struct super_block *sb,
-       struct ufs_super_block_first * usb1,
-       struct ufs_super_block_second * usb2, 
-       struct ufs_super_block_third * usb3)
+static void ufs_print_super_stuff(struct super_block *sb, unsigned flags,
+                                 struct ufs_super_block_first *usb1,
+                                 struct ufs_super_block_second *usb2,
+                                 struct ufs_super_block_third *usb3)
 {
        printk("ufs_print_super_stuff\n");
-       printk("size of usb:     %u\n", sizeof(struct ufs_super_block));
-       printk("  magic:         0x%x\n", fs32_to_cpu(sb, usb3->fs_magic));
-       printk("  sblkno:        %u\n", fs32_to_cpu(sb, usb1->fs_sblkno));
-       printk("  cblkno:        %u\n", fs32_to_cpu(sb, usb1->fs_cblkno));
-       printk("  iblkno:        %u\n", fs32_to_cpu(sb, usb1->fs_iblkno));
-       printk("  dblkno:        %u\n", fs32_to_cpu(sb, usb1->fs_dblkno));
-       printk("  cgoffset:      %u\n", fs32_to_cpu(sb, usb1->fs_cgoffset));
-       printk("  ~cgmask:       0x%x\n", ~fs32_to_cpu(sb, usb1->fs_cgmask));
-       printk("  size:          %u\n", fs32_to_cpu(sb, usb1->fs_size));
-       printk("  dsize:         %u\n", fs32_to_cpu(sb, usb1->fs_dsize));
-       printk("  ncg:           %u\n", fs32_to_cpu(sb, usb1->fs_ncg));
-       printk("  bsize:         %u\n", fs32_to_cpu(sb, usb1->fs_bsize));
-       printk("  fsize:         %u\n", fs32_to_cpu(sb, usb1->fs_fsize));
-       printk("  frag:          %u\n", fs32_to_cpu(sb, usb1->fs_frag));
-       printk("  fragshift:     %u\n", fs32_to_cpu(sb, usb1->fs_fragshift));
-       printk("  ~fmask:        %u\n", ~fs32_to_cpu(sb, usb1->fs_fmask));
-       printk("  fshift:        %u\n", fs32_to_cpu(sb, usb1->fs_fshift));
-       printk("  sbsize:        %u\n", fs32_to_cpu(sb, usb1->fs_sbsize));
-       printk("  spc:           %u\n", fs32_to_cpu(sb, usb1->fs_spc));
-       printk("  cpg:           %u\n", fs32_to_cpu(sb, usb1->fs_cpg));
-       printk("  ipg:           %u\n", fs32_to_cpu(sb, usb1->fs_ipg));
-       printk("  fpg:           %u\n", fs32_to_cpu(sb, usb1->fs_fpg));
-       printk("  csaddr:        %u\n", fs32_to_cpu(sb, usb1->fs_csaddr));
-       printk("  cssize:        %u\n", fs32_to_cpu(sb, usb1->fs_cssize));
-       printk("  cgsize:        %u\n", fs32_to_cpu(sb, usb1->fs_cgsize));
-       printk("  fstodb:        %u\n", fs32_to_cpu(sb, usb1->fs_fsbtodb));
-       printk("  contigsumsize: %d\n", fs32_to_cpu(sb, usb3->fs_u2.fs_44.fs_contigsumsize));
-       printk("  postblformat:  %u\n", fs32_to_cpu(sb, usb3->fs_postblformat));
-       printk("  nrpos:         %u\n", fs32_to_cpu(sb, usb3->fs_nrpos));
-       printk("  ndir           %u\n", fs32_to_cpu(sb, usb1->fs_cstotal.cs_ndir));
-       printk("  nifree         %u\n", fs32_to_cpu(sb, usb1->fs_cstotal.cs_nifree));
-       printk("  nbfree         %u\n", fs32_to_cpu(sb, usb1->fs_cstotal.cs_nbfree));
-       printk("  nffree         %u\n", fs32_to_cpu(sb, usb1->fs_cstotal.cs_nffree));
-       printk("\n");
-}
-
-/*
- * Print contents of ufs2 ufs_super_block, useful for debugging
- */
-void ufs2_print_super_stuff(
-     struct super_block *sb,
-      struct ufs_super_block *usb)
-{
-       printk("ufs_print_super_stuff\n");
-       printk("size of usb:     %u\n", sizeof(struct ufs_super_block));
-       printk("  magic:         0x%x\n", fs32_to_cpu(sb, usb->fs_magic));
-       printk("  fs_size:   %u\n",fs64_to_cpu(sb, usb->fs_u11.fs_u2.fs_size));
-       printk("  fs_dsize:  %u\n",fs64_to_cpu(sb, usb->fs_u11.fs_u2.fs_dsize));
-       printk("  bsize:         %u\n", fs32_to_cpu(usb, usb->fs_bsize));
-       printk("  fsize:         %u\n", fs32_to_cpu(usb, usb->fs_fsize));
-       printk("  fs_volname:  %s\n", usb->fs_u11.fs_u2.fs_volname);
-       printk("  fs_fsmnt:  %s\n", usb->fs_u11.fs_u2.fs_fsmnt);
-       printk("  fs_sblockloc: %u\n",fs64_to_cpu(sb,
-                       usb->fs_u11.fs_u2.fs_sblockloc));
-       printk("  cs_ndir(No of dirs):  %u\n",fs64_to_cpu(sb,
-                       usb->fs_u11.fs_u2.fs_cstotal.cs_ndir));
-       printk("  cs_nbfree(No of free blocks):  %u\n",fs64_to_cpu(sb,
-                       usb->fs_u11.fs_u2.fs_cstotal.cs_nbfree));
+       printk("  magic:     0x%x\n", fs32_to_cpu(sb, usb3->fs_magic));
+       if ((flags & UFS_TYPE_MASK) == UFS_TYPE_UFS2) {
+               printk("  fs_size:   %llu\n", (unsigned long long)
+                      fs64_to_cpu(sb, usb3->fs_un1.fs_u2.fs_size));
+               printk("  fs_dsize:  %llu\n", (unsigned long long)
+                      fs64_to_cpu(sb, usb3->fs_un1.fs_u2.fs_dsize));
+               printk("  bsize:         %u\n",
+                      fs32_to_cpu(sb, usb1->fs_bsize));
+               printk("  fsize:         %u\n",
+                      fs32_to_cpu(sb, usb1->fs_fsize));
+               printk("  fs_volname:  %s\n", usb2->fs_un.fs_u2.fs_volname);
+               printk("  fs_sblockloc: %llu\n", (unsigned long long)
+                      fs64_to_cpu(sb, usb2->fs_un.fs_u2.fs_sblockloc));
+               printk("  cs_ndir(No of dirs):  %llu\n", (unsigned long long)
+                      fs64_to_cpu(sb, usb2->fs_un.fs_u2.cs_ndir));
+               printk("  cs_nbfree(No of free blocks):  %llu\n",
+                      (unsigned long long)
+                      fs64_to_cpu(sb, usb2->fs_un.fs_u2.cs_nbfree));
+       } else {
+               printk(" sblkno:      %u\n", fs32_to_cpu(sb, usb1->fs_sblkno));
+               printk(" cblkno:      %u\n", fs32_to_cpu(sb, usb1->fs_cblkno));
+               printk(" iblkno:      %u\n", fs32_to_cpu(sb, usb1->fs_iblkno));
+               printk(" dblkno:      %u\n", fs32_to_cpu(sb, usb1->fs_dblkno));
+               printk(" cgoffset:    %u\n",
+                      fs32_to_cpu(sb, usb1->fs_cgoffset));
+               printk(" ~cgmask:     0x%x\n",
+                      ~fs32_to_cpu(sb, usb1->fs_cgmask));
+               printk(" size:        %u\n", fs32_to_cpu(sb, usb1->fs_size));
+               printk(" dsize:       %u\n", fs32_to_cpu(sb, usb1->fs_dsize));
+               printk(" ncg:         %u\n", fs32_to_cpu(sb, usb1->fs_ncg));
+               printk(" bsize:       %u\n", fs32_to_cpu(sb, usb1->fs_bsize));
+               printk(" fsize:       %u\n", fs32_to_cpu(sb, usb1->fs_fsize));
+               printk(" frag:        %u\n", fs32_to_cpu(sb, usb1->fs_frag));
+               printk(" fragshift:   %u\n",
+                      fs32_to_cpu(sb, usb1->fs_fragshift));
+               printk(" ~fmask:      %u\n", ~fs32_to_cpu(sb, usb1->fs_fmask));
+               printk(" fshift:      %u\n", fs32_to_cpu(sb, usb1->fs_fshift));
+               printk(" sbsize:      %u\n", fs32_to_cpu(sb, usb1->fs_sbsize));
+               printk(" spc:         %u\n", fs32_to_cpu(sb, usb1->fs_spc));
+               printk(" cpg:         %u\n", fs32_to_cpu(sb, usb1->fs_cpg));
+               printk(" ipg:         %u\n", fs32_to_cpu(sb, usb1->fs_ipg));
+               printk(" fpg:         %u\n", fs32_to_cpu(sb, usb1->fs_fpg));
+               printk(" csaddr:      %u\n", fs32_to_cpu(sb, usb1->fs_csaddr));
+               printk(" cssize:      %u\n", fs32_to_cpu(sb, usb1->fs_cssize));
+               printk(" cgsize:      %u\n", fs32_to_cpu(sb, usb1->fs_cgsize));
+               printk(" fstodb:      %u\n",
+                      fs32_to_cpu(sb, usb1->fs_fsbtodb));
+               printk(" nrpos:       %u\n", fs32_to_cpu(sb, usb3->fs_nrpos));
+               printk(" ndir         %u\n",
+                      fs32_to_cpu(sb, usb1->fs_cstotal.cs_ndir));
+               printk(" nifree       %u\n",
+                      fs32_to_cpu(sb, usb1->fs_cstotal.cs_nifree));
+               printk(" nbfree       %u\n",
+                      fs32_to_cpu(sb, usb1->fs_cstotal.cs_nbfree));
+               printk(" nffree       %u\n",
+                      fs32_to_cpu(sb, usb1->fs_cstotal.cs_nffree));
+       }
        printk("\n");
 }
 
 /*
  * Print contents of ufs_cylinder_group, useful for debugging
  */
-void ufs_print_cylinder_stuff(struct super_block *sb, struct ufs_cylinder_group *cg)
+static void ufs_print_cylinder_stuff(struct super_block *sb,
+                                    struct ufs_cylinder_group *cg)
 {
        printk("\nufs_print_cylinder_stuff\n");
-       printk("size of ucg: %u\n", sizeof(struct ufs_cylinder_group));
+       printk("size of ucg: %zu\n", sizeof(struct ufs_cylinder_group));
        printk("  magic:        %x\n", fs32_to_cpu(sb, cg->cg_magic));
        printk("  time:         %u\n", fs32_to_cpu(sb, cg->cg_time));
        printk("  cgx:          %u\n", fs32_to_cpu(sb, cg->cg_cgx));
@@ -202,12 +190,18 @@ void ufs_print_cylinder_stuff(struct super_block *sb, struct ufs_cylinder_group
        printk("  iuseoff:      %u\n", fs32_to_cpu(sb, cg->cg_iusedoff));
        printk("  freeoff:      %u\n", fs32_to_cpu(sb, cg->cg_freeoff));
        printk("  nextfreeoff:  %u\n", fs32_to_cpu(sb, cg->cg_nextfreeoff));
-       printk("  clustersumoff %u\n", fs32_to_cpu(sb, cg->cg_u.cg_44.cg_clustersumoff));
-       printk("  clusteroff    %u\n", fs32_to_cpu(sb, cg->cg_u.cg_44.cg_clusteroff));
-       printk("  nclusterblks  %u\n", fs32_to_cpu(sb, cg->cg_u.cg_44.cg_nclusterblks));
+       printk("  clustersumoff %u\n",
+              fs32_to_cpu(sb, cg->cg_u.cg_44.cg_clustersumoff));
+       printk("  clusteroff    %u\n",
+              fs32_to_cpu(sb, cg->cg_u.cg_44.cg_clusteroff));
+       printk("  nclusterblks  %u\n",
+              fs32_to_cpu(sb, cg->cg_u.cg_44.cg_nclusterblks));
        printk("\n");
 }
-#endif /* UFS_SUPER_DEBUG_MORE */
+#else
+#  define ufs_print_super_stuff(sb, flags, usb1, usb2, usb3) /**/
+#  define ufs_print_cylinder_stuff(sb, cg) /**/
+#endif /* CONFIG_UFS_DEBUG */
 
 static struct super_operations ufs_super_ops;
 
@@ -225,7 +219,7 @@ void ufs_error (struct super_block * sb, const char * function,
        
        if (!(sb->s_flags & MS_RDONLY)) {
                usb1->fs_clean = UFS_FSBAD;
-               ubh_mark_buffer_dirty(USPI_UBH);
+               ubh_mark_buffer_dirty(USPI_UBH(uspi));
                sb->s_dirt = 1;
                sb->s_flags |= MS_RDONLY;
        }
@@ -257,7 +251,7 @@ void ufs_panic (struct super_block * sb, const char * function,
        
        if (!(sb->s_flags & MS_RDONLY)) {
                usb1->fs_clean = UFS_FSBAD;
-               ubh_mark_buffer_dirty(USPI_UBH);
+               ubh_mark_buffer_dirty(USPI_UBH(uspi));
                sb->s_dirt = 1;
        }
        va_start (args, fmt);
@@ -309,7 +303,7 @@ static int ufs_parse_options (char * options, unsigned * mount_options)
 {
        char * p;
        
-       UFSD(("ENTER\n"))
+       UFSD("ENTER\n");
        
        if (!options)
                return 1;
@@ -385,28 +379,58 @@ static int ufs_parse_options (char * options, unsigned * mount_options)
        return 1;
 }
 
+/*
+ * Diffrent types of UFS hold fs_cstotal in different
+ * places, and use diffrent data structure for it.
+ * To make things simplier we just copy fs_cstotal to ufs_sb_private_info
+ */
+static void ufs_setup_cstotal(struct super_block *sb)
+{
+       struct ufs_sb_info *sbi = UFS_SB(sb);
+       struct ufs_sb_private_info *uspi = sbi->s_uspi;
+       struct ufs_super_block_first *usb1;
+       struct ufs_super_block_second *usb2;
+       struct ufs_super_block_third *usb3;
+       unsigned mtype = sbi->s_mount_opt & UFS_MOUNT_UFSTYPE;
+
+       UFSD("ENTER, mtype=%u\n", mtype);
+       usb1 = ubh_get_usb_first(uspi);
+       usb2 = ubh_get_usb_second(uspi);
+       usb3 = ubh_get_usb_third(uspi);
+
+       if ((mtype == UFS_MOUNT_UFSTYPE_44BSD &&
+            (usb1->fs_flags & UFS_FLAGS_UPDATED)) ||
+           mtype == UFS_MOUNT_UFSTYPE_UFS2) {
+               /*we have statistic in different place, then usual*/
+               uspi->cs_total.cs_ndir = fs64_to_cpu(sb, usb2->fs_un.fs_u2.cs_ndir);
+               uspi->cs_total.cs_nbfree = fs64_to_cpu(sb, usb2->fs_un.fs_u2.cs_nbfree);
+               uspi->cs_total.cs_nifree = fs64_to_cpu(sb, usb3->fs_un1.fs_u2.cs_nifree);
+               uspi->cs_total.cs_nffree = fs64_to_cpu(sb, usb3->fs_un1.fs_u2.cs_nffree);
+       } else {
+               uspi->cs_total.cs_ndir = fs32_to_cpu(sb, usb1->fs_cstotal.cs_ndir);
+               uspi->cs_total.cs_nbfree = fs32_to_cpu(sb, usb1->fs_cstotal.cs_nbfree);
+               uspi->cs_total.cs_nifree = fs32_to_cpu(sb, usb1->fs_cstotal.cs_nifree);
+               uspi->cs_total.cs_nffree = fs32_to_cpu(sb, usb1->fs_cstotal.cs_nffree);
+       }
+       UFSD("EXIT\n");
+}
+
 /*
  * Read on-disk structures associated with cylinder groups
  */
-static int ufs_read_cylinder_structures (struct super_block *sb)
+static int ufs_read_cylinder_structures(struct super_block *sb)
 {
-       struct ufs_sb_info * sbi = UFS_SB(sb);
-       struct ufs_sb_private_info * uspi;
-       struct ufs_super_block *usb;
+       struct ufs_sb_info *sbi = UFS_SB(sb);
+       struct ufs_sb_private_info *uspi = sbi->s_uspi;
+       unsigned flags = sbi->s_flags;
        struct ufs_buffer_head * ubh;
        unsigned char * base, * space;
        unsigned size, blks, i;
-       unsigned flags = 0;
-       
-       UFSD(("ENTER\n"))
-       
-       uspi = sbi->s_uspi;
+       struct ufs_super_block_third *usb3;
 
-       usb  = (struct ufs_super_block *)
-               ((struct ufs_buffer_head *)uspi)->bh[0]->b_data;
+       UFSD("ENTER\n");
 
-        flags = UFS_SB(sb)->s_flags;
-       
+       usb3 = ubh_get_usb_third(uspi);
        /*
         * Read cs structures from (usually) first data block
         * on the device. 
@@ -424,7 +448,7 @@ static int ufs_read_cylinder_structures (struct super_block *sb)
 
                if ((flags & UFS_TYPE_MASK) == UFS_TYPE_UFS2) 
                        ubh = ubh_bread(sb,
-                               fs64_to_cpu(sb, usb->fs_u11.fs_u2.fs_csaddr) + i, size);
+                               fs64_to_cpu(sb, usb3->fs_un1.fs_u2.fs_csaddr) + i, size);
                else 
                        ubh = ubh_bread(sb, uspi->s_csaddr + i, size);
                
@@ -451,14 +475,13 @@ static int ufs_read_cylinder_structures (struct super_block *sb)
                sbi->s_cgno[i] = UFS_CGNO_EMPTY;
        }
        for (i = 0; i < uspi->s_ncg; i++) {
-               UFSD(("read cg %u\n", i))
+               UFSD("read cg %u\n", i);
                if (!(sbi->s_ucg[i] = sb_bread(sb, ufs_cgcmin(i))))
                        goto failed;
                if (!ufs_cg_chkmagic (sb, (struct ufs_cylinder_group *) sbi->s_ucg[i]->b_data))
                        goto failed;
-#ifdef UFS_SUPER_DEBUG_MORE
+
                ufs_print_cylinder_stuff(sb, (struct ufs_cylinder_group *) sbi->s_ucg[i]->b_data);
-#endif
        }
        for (i = 0; i < UFS_MAX_GROUP_LOADED; i++) {
                if (!(sbi->s_ucpi[i] = kmalloc (sizeof(struct ufs_cg_private_info), GFP_KERNEL)))
@@ -466,7 +489,7 @@ static int ufs_read_cylinder_structures (struct super_block *sb)
                sbi->s_cgno[i] = UFS_CGNO_EMPTY;
        }
        sbi->s_cg_loaded = 0;
-       UFSD(("EXIT\n"))
+       UFSD("EXIT\n");
        return 1;
 
 failed:
@@ -479,26 +502,69 @@ failed:
                for (i = 0; i < UFS_MAX_GROUP_LOADED; i++)
                        kfree (sbi->s_ucpi[i]);
        }
-       UFSD(("EXIT (FAILED)\n"))
+       UFSD("EXIT (FAILED)\n");
        return 0;
 }
 
 /*
- * Put on-disk structures associated with cylinder groups and 
- * write them back to disk
+ * Sync our internal copy of fs_cstotal with disk
  */
-static void ufs_put_cylinder_structures (struct super_block *sb)
+static void ufs_put_cstotal(struct super_block *sb)
 {
-       struct ufs_sb_info * sbi = UFS_SB(sb);
-       struct ufs_sb_private_info * uspi;
+       unsigned mtype = UFS_SB(sb)->s_mount_opt & UFS_MOUNT_UFSTYPE;
+       struct ufs_sb_private_info *uspi = UFS_SB(sb)->s_uspi;
+       struct ufs_super_block_first *usb1;
+       struct ufs_super_block_second *usb2;
+       struct ufs_super_block_third *usb3;
+
+       UFSD("ENTER\n");
+       usb1 = ubh_get_usb_first(uspi);
+       usb2 = ubh_get_usb_second(uspi);
+       usb3 = ubh_get_usb_third(uspi);
+
+       if ((mtype == UFS_MOUNT_UFSTYPE_44BSD &&
+            (usb1->fs_flags & UFS_FLAGS_UPDATED)) ||
+           mtype == UFS_MOUNT_UFSTYPE_UFS2) {
+               /*we have statistic in different place, then usual*/
+               usb2->fs_un.fs_u2.cs_ndir =
+                       cpu_to_fs64(sb, uspi->cs_total.cs_ndir);
+               usb2->fs_un.fs_u2.cs_nbfree =
+                       cpu_to_fs64(sb, uspi->cs_total.cs_nbfree);
+               usb3->fs_un1.fs_u2.cs_nifree =
+                       cpu_to_fs64(sb, uspi->cs_total.cs_nifree);
+               usb3->fs_un1.fs_u2.cs_nffree =
+                       cpu_to_fs64(sb, uspi->cs_total.cs_nffree);
+       } else {
+               usb1->fs_cstotal.cs_ndir =
+                       cpu_to_fs32(sb, uspi->cs_total.cs_ndir);
+               usb1->fs_cstotal.cs_nbfree =
+                       cpu_to_fs32(sb, uspi->cs_total.cs_nbfree);
+               usb1->fs_cstotal.cs_nifree =
+                       cpu_to_fs32(sb, uspi->cs_total.cs_nifree);
+               usb1->fs_cstotal.cs_nffree =
+                       cpu_to_fs32(sb, uspi->cs_total.cs_nffree);
+       }
+       ubh_mark_buffer_dirty(USPI_UBH(uspi));
+       UFSD("EXIT\n");
+}
+
+/**
+ * ufs_put_super_internal() - put on-disk intrenal structures
+ * @sb: pointer to super_block structure
+ * Put on-disk structures associated with cylinder groups
+ * and write them back to disk, also update cs_total on disk
+ */
+static void ufs_put_super_internal(struct super_block *sb)
+{
+       struct ufs_sb_info *sbi = UFS_SB(sb);
+       struct ufs_sb_private_info *uspi = sbi->s_uspi;
        struct ufs_buffer_head * ubh;
        unsigned char * base, * space;
        unsigned blks, size, i;
-       
-       UFSD(("ENTER\n"))
-       
-       uspi = sbi->s_uspi;
 
+       
+       UFSD("ENTER\n");
+       ufs_put_cstotal(sb);
        size = uspi->s_cssize;
        blks = (size + uspi->s_fsize - 1) >> uspi->s_fshift;
        base = space = (char*) sbi->s_csp;
@@ -523,7 +589,7 @@ static void ufs_put_cylinder_structures (struct super_block *sb)
                brelse (sbi->s_ucg[i]);
        kfree (sbi->s_ucg);
        kfree (base);
-       UFSD(("EXIT\n"))
+       UFSD("EXIT\n");
 }
 
 static int ufs_fill_super(struct super_block *sb, void *data, int silent)
@@ -533,7 +599,6 @@ static int ufs_fill_super(struct super_block *sb, void *data, int silent)
        struct ufs_super_block_first * usb1;
        struct ufs_super_block_second * usb2;
        struct ufs_super_block_third * usb3;
-       struct ufs_super_block *usb;
        struct ufs_buffer_head * ubh;   
        struct inode *inode;
        unsigned block_size, super_block_size;
@@ -544,7 +609,7 @@ static int ufs_fill_super(struct super_block *sb, void *data, int silent)
        ubh = NULL;
        flags = 0;
        
-       UFSD(("ENTER\n"))
+       UFSD("ENTER\n");
                
        sbi = kmalloc(sizeof(struct ufs_sb_info), GFP_KERNEL);
        if (!sbi)
@@ -552,7 +617,7 @@ static int ufs_fill_super(struct super_block *sb, void *data, int silent)
        sb->s_fs_info = sbi;
        memset(sbi, 0, sizeof(struct ufs_sb_info));
 
-       UFSD(("flag %u\n", (int)(sb->s_flags & MS_RDONLY)))
+       UFSD("flag %u\n", (int)(sb->s_flags & MS_RDONLY));
        
 #ifndef CONFIG_UFS_FS_WRITE
        if (!(sb->s_flags & MS_RDONLY)) {
@@ -593,7 +658,7 @@ static int ufs_fill_super(struct super_block *sb, void *data, int silent)
           the rules */
        switch (sbi->s_mount_opt & UFS_MOUNT_UFSTYPE) {
        case UFS_MOUNT_UFSTYPE_44BSD:
-               UFSD(("ufstype=44bsd\n"))
+               UFSD("ufstype=44bsd\n");
                uspi->s_fsize = block_size = 512;
                uspi->s_fmask = ~(512 - 1);
                uspi->s_fshift = 9;
@@ -602,7 +667,7 @@ static int ufs_fill_super(struct super_block *sb, void *data, int silent)
                flags |= UFS_DE_44BSD | UFS_UID_44BSD | UFS_ST_44BSD | UFS_CG_44BSD;
                break;
        case UFS_MOUNT_UFSTYPE_UFS2:
-               UFSD(("ufstype=ufs2\n"));
+               UFSD("ufstype=ufs2\n");
                super_block_offset=SBLOCK_UFS2;
                uspi->s_fsize = block_size = 512;
                uspi->s_fmask = ~(512 - 1);
@@ -617,7 +682,7 @@ static int ufs_fill_super(struct super_block *sb, void *data, int silent)
                break;
                
        case UFS_MOUNT_UFSTYPE_SUN:
-               UFSD(("ufstype=sun\n"))
+               UFSD("ufstype=sun\n");
                uspi->s_fsize = block_size = 1024;
                uspi->s_fmask = ~(1024 - 1);
                uspi->s_fshift = 10;
@@ -628,7 +693,7 @@ static int ufs_fill_super(struct super_block *sb, void *data, int silent)
                break;
 
        case UFS_MOUNT_UFSTYPE_SUNx86:
-               UFSD(("ufstype=sunx86\n"))
+               UFSD("ufstype=sunx86\n");
                uspi->s_fsize = block_size = 1024;
                uspi->s_fmask = ~(1024 - 1);
                uspi->s_fshift = 10;
@@ -639,7 +704,7 @@ static int ufs_fill_super(struct super_block *sb, void *data, int silent)
                break;
 
        case UFS_MOUNT_UFSTYPE_OLD:
-               UFSD(("ufstype=old\n"))
+               UFSD("ufstype=old\n");
                uspi->s_fsize = block_size = 1024;
                uspi->s_fmask = ~(1024 - 1);
                uspi->s_fshift = 10;
@@ -654,7 +719,7 @@ static int ufs_fill_super(struct super_block *sb, void *data, int silent)
                break;
        
        case UFS_MOUNT_UFSTYPE_NEXTSTEP:
-               UFSD(("ufstype=nextstep\n"))
+               UFSD("ufstype=nextstep\n");
                uspi->s_fsize = block_size = 1024;
                uspi->s_fmask = ~(1024 - 1);
                uspi->s_fshift = 10;
@@ -669,7 +734,7 @@ static int ufs_fill_super(struct super_block *sb, void *data, int silent)
                break;
        
        case UFS_MOUNT_UFSTYPE_NEXTSTEP_CD:
-               UFSD(("ufstype=nextstep-cd\n"))
+               UFSD("ufstype=nextstep-cd\n");
                uspi->s_fsize = block_size = 2048;
                uspi->s_fmask = ~(2048 - 1);
                uspi->s_fshift = 11;
@@ -684,7 +749,7 @@ static int ufs_fill_super(struct super_block *sb, void *data, int silent)
                break;
        
        case UFS_MOUNT_UFSTYPE_OPENSTEP:
-               UFSD(("ufstype=openstep\n"))
+               UFSD("ufstype=openstep\n");
                uspi->s_fsize = block_size = 1024;
                uspi->s_fmask = ~(1024 - 1);
                uspi->s_fshift = 10;
@@ -699,7 +764,7 @@ static int ufs_fill_super(struct super_block *sb, void *data, int silent)
                break;
        
        case UFS_MOUNT_UFSTYPE_HP:
-               UFSD(("ufstype=hp\n"))
+               UFSD("ufstype=hp\n");
                uspi->s_fsize = block_size = 1024;
                uspi->s_fmask = ~(1024 - 1);
                uspi->s_fshift = 10;
@@ -737,8 +802,6 @@ again:
        usb1 = ubh_get_usb_first(uspi);
        usb2 = ubh_get_usb_second(uspi);
        usb3 = ubh_get_usb_third(uspi);
-       usb  = (struct ufs_super_block *)
-               ((struct ufs_buffer_head *)uspi)->bh[0]->b_data ;
 
        /*
         * Check ufs magic number
@@ -820,16 +883,12 @@ magic_found:
                ubh = NULL;
                block_size = uspi->s_fsize;
                super_block_size = uspi->s_sbsize;
-               UFSD(("another value of block_size or super_block_size %u, %u\n", block_size, super_block_size))
+               UFSD("another value of block_size or super_block_size %u, %u\n", block_size, super_block_size);
                goto again;
        }
 
-#ifdef UFS_SUPER_DEBUG_MORE
-        if ((flags & UFS_TYPE_MASK) == UFS_TYPE_UFS2)
-               ufs2_print_super_stuff(sb,usb);
-        else
-               ufs_print_super_stuff(sb, usb1, usb2, usb3);
-#endif
+
+       ufs_print_super_stuff(sb, flags, usb1, usb2, usb3);
 
        /*
         * Check, if file system was correctly unmounted.
@@ -842,13 +901,13 @@ magic_found:
          (ufs_get_fs_state(sb, usb1, usb3) == (UFS_FSOK - fs32_to_cpu(sb, usb1->fs_time))))) {
                switch(usb1->fs_clean) {
                case UFS_FSCLEAN:
-                       UFSD(("fs is clean\n"))
+                       UFSD("fs is clean\n");
                        break;
                case UFS_FSSTABLE:
-                       UFSD(("fs is stable\n"))
+                       UFSD("fs is stable\n");
                        break;
                case UFS_FSOSF1:
-                       UFSD(("fs is DEC OSF/1\n"))
+                       UFSD("fs is DEC OSF/1\n");
                        break;
                case UFS_FSACTIVE:
                        printk("ufs_read_super: fs is active\n");
@@ -863,8 +922,7 @@ magic_found:
                        sb->s_flags |= MS_RDONLY;
                        break;
                }
-       }
-       else {
+       } else {
                printk("ufs_read_super: fs needs fsck\n");
                sb->s_flags |= MS_RDONLY;
        }
@@ -884,10 +942,9 @@ magic_found:
        uspi->s_cgmask = fs32_to_cpu(sb, usb1->fs_cgmask);
 
        if ((flags & UFS_TYPE_MASK) == UFS_TYPE_UFS2) {
-               uspi->s_u2_size  = fs64_to_cpu(sb, usb->fs_u11.fs_u2.fs_size);
-               uspi->s_u2_dsize = fs64_to_cpu(sb, usb->fs_u11.fs_u2.fs_dsize);
-       }
-       else {
+               uspi->s_u2_size  = fs64_to_cpu(sb, usb3->fs_un1.fs_u2.fs_size);
+               uspi->s_u2_dsize = fs64_to_cpu(sb, usb3->fs_un1.fs_u2.fs_dsize);
+       } else {
                uspi->s_size  =  fs32_to_cpu(sb, usb1->fs_size);
                uspi->s_dsize =  fs32_to_cpu(sb, usb1->fs_dsize);
        }
@@ -901,8 +958,8 @@ magic_found:
        uspi->s_fmask = fs32_to_cpu(sb, usb1->fs_fmask);
        uspi->s_bshift = fs32_to_cpu(sb, usb1->fs_bshift);
        uspi->s_fshift = fs32_to_cpu(sb, usb1->fs_fshift);
-       UFSD(("uspi->s_bshift = %d,uspi->s_fshift = %d", uspi->s_bshift,
-               uspi->s_fshift));
+       UFSD("uspi->s_bshift = %d,uspi->s_fshift = %d", uspi->s_bshift,
+               uspi->s_fshift);
        uspi->s_fpbshift = fs32_to_cpu(sb, usb1->fs_fragshift);
        uspi->s_fsbtodb = fs32_to_cpu(sb, usb1->fs_fsbtodb);
        /* s_sbsize already set */
@@ -922,8 +979,8 @@ magic_found:
        uspi->s_spc = fs32_to_cpu(sb, usb1->fs_spc);
        uspi->s_ipg = fs32_to_cpu(sb, usb1->fs_ipg);
        uspi->s_fpg = fs32_to_cpu(sb, usb1->fs_fpg);
-       uspi->s_cpc = fs32_to_cpu(sb, usb2->fs_cpc);
-       uspi->s_contigsumsize = fs32_to_cpu(sb, usb3->fs_u2.fs_44.fs_contigsumsize);
+       uspi->s_cpc = fs32_to_cpu(sb, usb2->fs_un.fs_u1.fs_cpc);
+       uspi->s_contigsumsize = fs32_to_cpu(sb, usb3->fs_un2.fs_44.fs_contigsumsize);
        uspi->s_qbmask = ufs_get_fs_qbmask(sb, usb3);
        uspi->s_qfmask = ufs_get_fs_qfmask(sb, usb3);
        uspi->s_postblformat = fs32_to_cpu(sb, usb3->fs_postblformat);
@@ -935,12 +992,11 @@ magic_found:
         * Compute another frequently used values
         */
        uspi->s_fpbmask = uspi->s_fpb - 1;
-       if ((flags & UFS_TYPE_MASK) == UFS_TYPE_UFS2) {
+       if ((flags & UFS_TYPE_MASK) == UFS_TYPE_UFS2)
                uspi->s_apbshift = uspi->s_bshift - 3;
-       }
-       else {
+       else
                uspi->s_apbshift = uspi->s_bshift - 2;
-       }
+
        uspi->s_2apbshift = uspi->s_apbshift * 2;
        uspi->s_3apbshift = uspi->s_apbshift * 3;
        uspi->s_apb = 1 << uspi->s_apbshift;
@@ -956,7 +1012,7 @@ magic_found:
        if ((sbi->s_mount_opt & UFS_MOUNT_UFSTYPE) ==
            UFS_MOUNT_UFSTYPE_44BSD)
                uspi->s_maxsymlinklen =
-                   fs32_to_cpu(sb, usb3->fs_u2.fs_44.fs_maxsymlinklen);
+                   fs32_to_cpu(sb, usb3->fs_un2.fs_44.fs_maxsymlinklen);
        
        sbi->s_flags = flags;
 
@@ -967,7 +1023,7 @@ magic_found:
        if (!sb->s_root)
                goto dalloc_failed;
 
-
+       ufs_setup_cstotal(sb);
        /*
         * Read cylinder group structures
         */
@@ -975,7 +1031,7 @@ magic_found:
                if (!ufs_read_cylinder_structures(sb))
                        goto failed;
 
-       UFSD(("EXIT\n"))
+       UFSD("EXIT\n");
        return 0;
 
 dalloc_failed:
@@ -986,15 +1042,16 @@ failed:
        kfree (uspi);
        kfree(sbi);
        sb->s_fs_info = NULL;
-       UFSD(("EXIT (FAILED)\n"))
+       UFSD("EXIT (FAILED)\n");
        return -EINVAL;
 
 failed_nomem:
-       UFSD(("EXIT (NOMEM)\n"))
+       UFSD("EXIT (NOMEM)\n");
        return -ENOMEM;
 }
 
-static void ufs_write_super (struct super_block *sb) {
+static void ufs_write_super(struct super_block *sb)
+{
        struct ufs_sb_private_info * uspi;
        struct ufs_super_block_first * usb1;
        struct ufs_super_block_third * usb3;
@@ -1002,7 +1059,7 @@ static void ufs_write_super (struct super_block *sb) {
 
        lock_kernel();
 
-       UFSD(("ENTER\n"))
+       UFSD("ENTER\n");
        flags = UFS_SB(sb)->s_flags;
        uspi = UFS_SB(sb)->s_uspi;
        usb1 = ubh_get_usb_first(uspi);
@@ -1014,26 +1071,27 @@ static void ufs_write_super (struct super_block *sb) {
                  || (flags & UFS_ST_MASK) == UFS_ST_SUNx86)
                        ufs_set_fs_state(sb, usb1, usb3,
                                        UFS_FSOK - fs32_to_cpu(sb, usb1->fs_time));
-               ubh_mark_buffer_dirty (USPI_UBH);
+               ufs_put_cstotal(sb);
        }
        sb->s_dirt = 0;
-       UFSD(("EXIT\n"))
+       UFSD("EXIT\n");
        unlock_kernel();
 }
 
-static void ufs_put_super (struct super_block *sb)
+static void ufs_put_super(struct super_block *sb)
 {
        struct ufs_sb_info * sbi = UFS_SB(sb);
                
-       UFSD(("ENTER\n"))
+       UFSD("ENTER\n");
 
        if (!(sb->s_flags & MS_RDONLY))
-               ufs_put_cylinder_structures (sb);
+               ufs_put_super_internal(sb);
        
        ubh_brelse_uspi (sbi->s_uspi);
        kfree (sbi->s_uspi);
        kfree (sbi);
        sb->s_fs_info = NULL;
+       UFSD("EXIT\n");
        return;
 }
 
@@ -1062,8 +1120,7 @@ static int ufs_remount (struct super_block *sb, int *mount_flags, char *data)
                return -EINVAL;
        if (!(new_mount_opt & UFS_MOUNT_UFSTYPE)) {
                new_mount_opt |= ufstype;
-       }
-       else if ((new_mount_opt & UFS_MOUNT_UFSTYPE) != ufstype) {
+       } else if ((new_mount_opt & UFS_MOUNT_UFSTYPE) != ufstype) {
                printk("ufstype can't be changed during remount\n");
                return -EINVAL;
        }
@@ -1077,20 +1134,19 @@ static int ufs_remount (struct super_block *sb, int *mount_flags, char *data)
         * fs was mouted as rw, remounting ro
         */
        if (*mount_flags & MS_RDONLY) {
-               ufs_put_cylinder_structures(sb);
+               ufs_put_super_internal(sb);
                usb1->fs_time = cpu_to_fs32(sb, get_seconds());
                if ((flags & UFS_ST_MASK) == UFS_ST_SUN
                  || (flags & UFS_ST_MASK) == UFS_ST_SUNx86) 
                        ufs_set_fs_state(sb, usb1, usb3,
                                UFS_FSOK - fs32_to_cpu(sb, usb1->fs_time));
-               ubh_mark_buffer_dirty (USPI_UBH);
+               ubh_mark_buffer_dirty (USPI_UBH(uspi));
                sb->s_dirt = 0;
                sb->s_flags |= MS_RDONLY;
-       }
+       } else {
        /*
         * fs was mounted as ro, remounting rw
         */
-       else {
 #ifndef CONFIG_UFS_FS_WRITE
                printk("ufs was compiled with read-only support, "
                "can't be mounted as read-write\n");
@@ -1102,7 +1158,7 @@ static int ufs_remount (struct super_block *sb, int *mount_flags, char *data)
                        printk("this ufstype is read-only supported\n");
                        return -EINVAL;
                }
-               if (!ufs_read_cylinder_structures (sb)) {
+               if (!ufs_read_cylinder_structures(sb)) {
                        printk("failed during remounting\n");
                        return -EPERM;
                }
@@ -1113,36 +1169,31 @@ static int ufs_remount (struct super_block *sb, int *mount_flags, char *data)
        return 0;
 }
 
-static int ufs_statfs (struct super_block *sb, struct kstatfs *buf)
+static int ufs_statfs(struct dentry *dentry, struct kstatfs *buf)
 {
-       struct ufs_sb_private_info * uspi;
-       struct ufs_super_block_first * usb1;
-       struct ufs_super_block * usb;
-       unsigned  flags = 0;
+       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();
 
-       uspi = UFS_SB(sb)->s_uspi;
-       usb1 = ubh_get_usb_first (uspi);
-       usb  = (struct ufs_super_block *)
-               ((struct ufs_buffer_head *)uspi)->bh[0]->b_data ;
+       usb1 = ubh_get_usb_first(uspi);
+       usb2 = ubh_get_usb_second(uspi);
+       usb3 = ubh_get_usb_third(uspi);
        
-       flags = UFS_SB(sb)->s_flags;
        if ((flags & UFS_TYPE_MASK) == UFS_TYPE_UFS2) {
                buf->f_type = UFS2_MAGIC;
-               buf->f_blocks = fs64_to_cpu(sb, usb->fs_u11.fs_u2.fs_dsize);
-               buf->f_bfree = ufs_blkstofrags(fs64_to_cpu(sb, usb->fs_u11.fs_u2.fs_cstotal.cs_nbfree)) +
-                       fs64_to_cpu(sb, usb->fs_u11.fs_u2.fs_cstotal.cs_nffree);
-               buf->f_ffree = fs64_to_cpu(sb,
-                       usb->fs_u11.fs_u2.fs_cstotal.cs_nifree);
-       }
-       else {
+               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(fs32_to_cpu(sb, usb1->fs_cstotal.cs_nbfree)) +
-                       fs32_to_cpu(sb, usb1->fs_cstotal.cs_nffree);
-               buf->f_ffree = fs32_to_cpu(sb, usb1->fs_cstotal.cs_nifree);
        }
+       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;
@@ -1275,7 +1326,7 @@ static ssize_t ufs_quota_write(struct super_block *sb, int type,
        size_t towrite = len;
        struct buffer_head *bh;
 
-       mutex_lock(&inode->i_mutex);
+       mutex_lock_nested(&inode->i_mutex, I_MUTEX_QUOTA);
        while (towrite > 0) {
                tocopy = sb->s_blocksize - offset < towrite ?
                                sb->s_blocksize - offset : towrite;
@@ -1311,10 +1362,10 @@ out:
 
 #endif
 
-static struct super_block *ufs_get_sb(struct file_system_type *fs_type,
-       int flags, const char *dev_name, void *data)
+static int ufs_get_sb(struct file_system_type *fs_type,
+       int flags, const char *dev_name, void *data, struct vfsmount *mnt)
 {
-       return get_sb_bdev(fs_type, flags, dev_name, data, ufs_fill_super);
+       return get_sb_bdev(fs_type, flags, dev_name, data, ufs_fill_super, mnt);
 }
 
 static struct file_system_type ufs_fs_type = {