X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?p=pandora-kernel.git;a=blobdiff_plain;f=fs%2Fufs%2Fsuper.c;h=992ee0b87cc3f7835fa376c75733822d9ddfbdc6;hp=db98a4c71e630753c582945152f6061839dbd060;hb=e82ca04387dd6c98722f5f48235089839fd04268;hpb=36ddf5bbdea7ba4582abc62f106f0f0e9f0b6b91 diff --git a/fs/ufs/super.c b/fs/ufs/super.c index db98a4c71e63..992ee0b87cc3 100644 --- a/fs/ufs/super.c +++ b/fs/ufs/super.c @@ -64,7 +64,6 @@ */ -#include #include #include @@ -90,95 +89,84 @@ #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 = {