* Stefan Reinauer <stepan@home.culture.mipt.ru>
*
* Module usage counts added on 96/04/29 by
- * Gertjan van Wingerde <gertjan@cs.vu.nl>
+ * Gertjan van Wingerde <gwingerde@gmail.com>
*
* Clean swab support on 19970406 by
* Francois-Rene Rideau <fare@tunes.org>
* UFS2 (of FreeBSD 5.x) support added by
* Niraj Kumar <niraj17@iitbombay.org>, Jan 2004
*
+ * UFS2 write support added by
+ * Evgeniy Dushistov <dushistov@mail.ru>, 2007
*/
-#include <linux/config.h>
#include <linux/module.h>
#include <linux/bitops.h>
#include <linux/errno.h>
#include <linux/fs.h>
-#include <linux/ufs_fs.h>
+#include <linux/quotaops.h>
#include <linux/slab.h>
#include <linux/time.h>
#include <linux/stat.h>
#include <linux/smp_lock.h>
#include <linux/buffer_head.h>
#include <linux/vfs.h>
+#include <linux/log2.h>
+#include <linux/mount.h>
+#include <linux/seq_file.h>
+#include "ufs_fs.h"
+#include "ufs.h"
#include "swab.h"
#include "util.h"
/*
* Print contents of ufs_super_block, useful for debugging
*/
-static void ufs_print_super_stuff(struct super_block *sb, unsigned flags,
+static 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)
{
+ u32 magic = fs32_to_cpu(sb, usb3->fs_magic);
+
printk("ufs_print_super_stuff\n");
- printk(" magic: 0x%x\n", fs32_to_cpu(sb, usb3->fs_magic));
- if ((flags & UFS_TYPE_MASK) == UFS_TYPE_UFS2) {
+ printk(" magic: 0x%x\n", magic);
+ if (fs32_to_cpu(sb, usb3->fs_magic) == UFS2_MAGIC) {
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)
printk(" cs_nbfree(No of free blocks): %llu\n",
(unsigned long long)
fs64_to_cpu(sb, usb2->fs_un.fs_u2.cs_nbfree));
+ printk(KERN_INFO" cs_nifree(Num of free inodes): %llu\n",
+ (unsigned long long)
+ fs64_to_cpu(sb, usb3->fs_un1.fs_u2.cs_nifree));
+ printk(KERN_INFO" cs_nffree(Num of free frags): %llu\n",
+ (unsigned long long)
+ fs64_to_cpu(sb, usb3->fs_un1.fs_u2.cs_nffree));
+ printk(KERN_INFO" fs_maxsymlinklen: %u\n",
+ fs32_to_cpu(sb, usb3->fs_un2.fs_44.fs_maxsymlinklen));
} else {
printk(" sblkno: %u\n", fs32_to_cpu(sb, usb1->fs_sblkno));
printk(" cblkno: %u\n", fs32_to_cpu(sb, usb1->fs_cblkno));
printk("\n");
}
#else
-# define ufs_print_super_stuff(sb, flags, usb1, usb2, usb3) /**/
+# define ufs_print_super_stuff(sb, usb1, usb2, usb3) /**/
# define ufs_print_cylinder_stuff(sb, cg) /**/
#endif /* CONFIG_UFS_DEBUG */
-static struct super_operations ufs_super_ops;
+static const struct super_operations ufs_super_ops;
static char error_buf[1024];
sb->s_flags |= MS_RDONLY;
}
va_start (args, fmt);
- vsprintf (error_buf, fmt, args);
+ vsnprintf (error_buf, sizeof(error_buf), fmt, args);
va_end (args);
switch (UFS_SB(sb)->s_mount_opt & UFS_MOUNT_ONERROR) {
case UFS_MOUNT_ONERROR_PANIC:
sb->s_dirt = 1;
}
va_start (args, fmt);
- vsprintf (error_buf, fmt, args);
+ vsnprintf (error_buf, sizeof(error_buf), fmt, args);
va_end (args);
sb->s_flags |= MS_RDONLY;
printk (KERN_CRIT "UFS-fs panic (device %s): %s: %s\n",
va_list args;
va_start (args, fmt);
- vsprintf (error_buf, fmt, args);
+ vsnprintf (error_buf, sizeof(error_buf), fmt, args);
va_end (args);
printk (KERN_WARNING "UFS-fs warning (device %s): %s: %s\n",
sb->s_id, function, error_buf);
}
enum {
- Opt_type_old, Opt_type_sunx86, Opt_type_sun, Opt_type_44bsd,
- Opt_type_ufs2, Opt_type_hp, Opt_type_nextstepcd, Opt_type_nextstep,
- Opt_type_openstep, Opt_onerror_panic, Opt_onerror_lock,
- Opt_onerror_umount, Opt_onerror_repair, Opt_err
+ Opt_type_old = UFS_MOUNT_UFSTYPE_OLD,
+ Opt_type_sunx86 = UFS_MOUNT_UFSTYPE_SUNx86,
+ Opt_type_sun = UFS_MOUNT_UFSTYPE_SUN,
+ Opt_type_sunos = UFS_MOUNT_UFSTYPE_SUNOS,
+ Opt_type_44bsd = UFS_MOUNT_UFSTYPE_44BSD,
+ Opt_type_ufs2 = UFS_MOUNT_UFSTYPE_UFS2,
+ Opt_type_hp = UFS_MOUNT_UFSTYPE_HP,
+ Opt_type_nextstepcd = UFS_MOUNT_UFSTYPE_NEXTSTEP_CD,
+ Opt_type_nextstep = UFS_MOUNT_UFSTYPE_NEXTSTEP,
+ Opt_type_openstep = UFS_MOUNT_UFSTYPE_OPENSTEP,
+ Opt_onerror_panic = UFS_MOUNT_ONERROR_PANIC,
+ Opt_onerror_lock = UFS_MOUNT_ONERROR_LOCK,
+ Opt_onerror_umount = UFS_MOUNT_ONERROR_UMOUNT,
+ Opt_onerror_repair = UFS_MOUNT_ONERROR_REPAIR,
+ Opt_err
};
-static match_table_t tokens = {
+static const match_table_t tokens = {
{Opt_type_old, "ufstype=old"},
{Opt_type_sunx86, "ufstype=sunx86"},
{Opt_type_sun, "ufstype=sun"},
+ {Opt_type_sunos, "ufstype=sunos"},
{Opt_type_44bsd, "ufstype=44bsd"},
{Opt_type_ufs2, "ufstype=ufs2"},
{Opt_type_ufs2, "ufstype=5xbsd"},
{Opt_type_nextstepcd, "ufstype=nextstep-cd"},
{Opt_type_nextstep, "ufstype=nextstep"},
{Opt_type_openstep, "ufstype=openstep"},
+/*end of possible ufs types */
{Opt_onerror_panic, "onerror=panic"},
{Opt_onerror_lock, "onerror=lock"},
{Opt_onerror_umount, "onerror=umount"},
ufs_clear_opt (*mount_options, UFSTYPE);
ufs_set_opt (*mount_options, UFSTYPE_SUN);
break;
+ case Opt_type_sunos:
+ ufs_clear_opt(*mount_options, UFSTYPE);
+ ufs_set_opt(*mount_options, UFSTYPE_SUNOS);
+ break;
case Opt_type_44bsd:
ufs_clear_opt (*mount_options, UFSTYPE);
ufs_set_opt (*mount_options, UFSTYPE_44BSD);
}
/*
- * Read on-disk structures associated with cylinder groups
+ * 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 int ufs_read_cylinder_structures (struct super_block *sb)
+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)
+{
+ 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 size, blks, i;
- unsigned flags = 0;
-
+ struct ufs_super_block_third *usb3;
+
UFSD("ENTER\n");
-
- usb3 = ubh_get_usb_third(uspi);
- flags = UFS_SB(sb)->s_flags;
-
+ usb3 = ubh_get_usb_third(uspi);
/*
* Read cs structures from (usually) first data block
* on the device.
if (i + uspi->s_fpb > blks)
size = (blks - i) * uspi->s_fsize;
- if ((flags & UFS_TYPE_MASK) == UFS_TYPE_UFS2)
- ubh = ubh_bread(sb,
- fs64_to_cpu(sb, usb3->fs_un1.fs_u2.fs_csaddr) + i, size);
- else
- ubh = ubh_bread(sb, uspi->s_csaddr + i, size);
+ ubh = ubh_bread(sb, uspi->s_csaddr + i, size);
if (!ubh)
goto failed;
}
/*
- * 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));
+ ufs_print_super_stuff(sb, usb1, usb2, usb3);
+ 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;
-
+ ufs_put_cstotal(sb);
size = uspi->s_cssize;
blks = (size + uspi->s_fsize - 1) >> uspi->s_fshift;
base = space = (char*) sbi->s_csp;
size = uspi->s_bsize;
if (i + uspi->s_fpb > blks)
size = (blks - i) * uspi->s_fsize;
+
ubh = ubh_bread(sb, uspi->s_csaddr + i, size);
+
ubh_memcpyubh (ubh, space, size);
space += size;
ubh_mark_buffer_uptodate (ubh, 1);
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;
unsigned flags;
unsigned super_block_offset;
+ unsigned maxsymlen;
+ int ret = -EINVAL;
uspi = NULL;
ubh = NULL;
UFSD("ENTER\n");
- sbi = kmalloc(sizeof(struct ufs_sb_info), GFP_KERNEL);
+ sbi = kzalloc(sizeof(struct ufs_sb_info), GFP_KERNEL);
if (!sbi)
goto failed_nomem;
sb->s_fs_info = sbi;
- memset(sbi, 0, sizeof(struct ufs_sb_info));
UFSD("flag %u\n", (int)(sb->s_flags & MS_RDONLY));
ufs_set_opt (sbi->s_mount_opt, UFSTYPE_OLD);
}
- sbi->s_uspi = uspi =
- kmalloc (sizeof(struct ufs_sb_private_info), GFP_KERNEL);
+ uspi = kzalloc(sizeof(struct ufs_sb_private_info), GFP_KERNEL);
+ sbi->s_uspi = uspi;
if (!uspi)
goto failed;
-
+ uspi->s_dirblksize = UFS_SECTOR_SIZE;
super_block_offset=UFS_SBLOCK;
/* Keep 2Gig file limit. Some UFS variants need to override
uspi->s_sbsize = super_block_size = 1536;
uspi->s_sbbase = 0;
flags |= UFS_TYPE_UFS2 | UFS_DE_44BSD | UFS_UID_44BSD | UFS_ST_44BSD | UFS_CG_44BSD;
- if (!(sb->s_flags & MS_RDONLY)) {
- printk(KERN_INFO "ufstype=ufs2 is supported read-only\n");
- sb->s_flags |= MS_RDONLY;
- }
break;
case UFS_MOUNT_UFSTYPE_SUN:
uspi->s_fshift = 10;
uspi->s_sbsize = super_block_size = 2048;
uspi->s_sbbase = 0;
- uspi->s_maxsymlinklen = 56;
+ uspi->s_maxsymlinklen = 0; /* Not supported on disk */
flags |= UFS_DE_OLD | UFS_UID_EFT | UFS_ST_SUN | UFS_CG_SUN;
break;
+ case UFS_MOUNT_UFSTYPE_SUNOS:
+ UFSD(("ufstype=sunos\n"))
+ uspi->s_fsize = block_size = 1024;
+ uspi->s_fmask = ~(1024 - 1);
+ uspi->s_fshift = 10;
+ uspi->s_sbsize = 2048;
+ super_block_size = 2048;
+ uspi->s_sbbase = 0;
+ uspi->s_maxsymlinklen = 0; /* Not supported on disk */
+ flags |= UFS_DE_OLD | UFS_UID_OLD | UFS_ST_SUNOS | UFS_CG_SUN;
+ break;
+
case UFS_MOUNT_UFSTYPE_SUNx86:
UFSD("ufstype=sunx86\n");
uspi->s_fsize = block_size = 1024;
uspi->s_fshift = 10;
uspi->s_sbsize = super_block_size = 2048;
uspi->s_sbbase = 0;
- uspi->s_maxsymlinklen = 56;
+ uspi->s_maxsymlinklen = 0; /* Not supported on disk */
flags |= UFS_DE_OLD | UFS_UID_EFT | UFS_ST_SUNx86 | UFS_CG_SUN;
break;
uspi->s_fshift = 10;
uspi->s_sbsize = super_block_size = 2048;
uspi->s_sbbase = 0;
+ uspi->s_dirblksize = 1024;
flags |= UFS_DE_OLD | UFS_UID_OLD | UFS_ST_OLD | UFS_CG_OLD;
if (!(sb->s_flags & MS_RDONLY)) {
if (!silent)
uspi->s_fshift = 11;
uspi->s_sbsize = super_block_size = 2048;
uspi->s_sbbase = 0;
+ uspi->s_dirblksize = 1024;
flags |= UFS_DE_OLD | UFS_UID_OLD | UFS_ST_OLD | UFS_CG_OLD;
if (!(sb->s_flags & MS_RDONLY)) {
if (!silent)
uspi->s_fshift = 10;
uspi->s_sbsize = super_block_size = 2048;
uspi->s_sbbase = 0;
+ uspi->s_dirblksize = 1024;
flags |= UFS_DE_44BSD | UFS_UID_44BSD | UFS_ST_44BSD | UFS_CG_44BSD;
if (!(sb->s_flags & MS_RDONLY)) {
if (!silent)
if (!ubh)
goto failed;
-
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 ;
+
+ /* Sort out mod used on SunOS 4.1.3 for fs_state */
+ uspi->s_postblformat = fs32_to_cpu(sb, usb3->fs_postblformat);
+ if (((flags & UFS_ST_MASK) == UFS_ST_SUNOS) &&
+ (uspi->s_postblformat != UFS_42POSTBLFMT)) {
+ flags &= ~UFS_ST_MASK;
+ flags |= UFS_ST_SUN;
+ }
/*
* Check ufs magic number
uspi->s_fmask = fs32_to_cpu(sb, usb1->fs_fmask);
uspi->s_fshift = fs32_to_cpu(sb, usb1->fs_fshift);
- if (uspi->s_fsize & (uspi->s_fsize - 1)) {
+ if (!is_power_of_2(uspi->s_fsize)) {
printk(KERN_ERR "ufs_read_super: fragment size %u is not a power of 2\n",
uspi->s_fsize);
goto failed;
uspi->s_fsize);
goto failed;
}
- if (uspi->s_bsize & (uspi->s_bsize - 1)) {
+ if (!is_power_of_2(uspi->s_bsize)) {
printk(KERN_ERR "ufs_read_super: block size %u is not a power of 2\n",
uspi->s_bsize);
goto failed;
goto again;
}
-
- ufs_print_super_stuff(sb, flags, usb1, usb2, usb3);
+ sbi->s_flags = flags;/*after that line some functions use s_flags*/
+ ufs_print_super_stuff(sb, usb1, usb2, usb3);
/*
* Check, if file system was correctly unmounted.
*/
if (((flags & UFS_ST_MASK) == UFS_ST_44BSD) ||
((flags & UFS_ST_MASK) == UFS_ST_OLD) ||
- (((flags & UFS_ST_MASK) == UFS_ST_SUN ||
- (flags & UFS_ST_MASK) == UFS_ST_SUNx86) &&
+ (((flags & UFS_ST_MASK) == UFS_ST_SUN ||
+ (flags & UFS_ST_MASK) == UFS_ST_SUNOS ||
+ (flags & UFS_ST_MASK) == UFS_ST_SUNx86) &&
(ufs_get_fs_state(sb, usb1, usb3) == (UFS_FSOK - fs32_to_cpu(sb, usb1->fs_time))))) {
switch(usb1->fs_clean) {
case UFS_FSCLEAN:
sb->s_flags |= MS_RDONLY;
break;
}
- }
- else {
+ } else {
printk("ufs_read_super: fs needs fsck\n");
sb->s_flags |= MS_RDONLY;
}
uspi->s_npsect = ufs_get_fs_npsect(sb, usb1, usb3);
uspi->s_interleave = fs32_to_cpu(sb, usb1->fs_interleave);
uspi->s_trackskew = fs32_to_cpu(sb, usb1->fs_trackskew);
- uspi->s_csaddr = fs32_to_cpu(sb, usb1->fs_csaddr);
+
+ if (uspi->fs_magic == UFS2_MAGIC)
+ uspi->s_csaddr = fs64_to_cpu(sb, usb3->fs_un1.fs_u2.fs_csaddr);
+ else
+ uspi->s_csaddr = fs32_to_cpu(sb, usb1->fs_csaddr);
+
uspi->s_cssize = fs32_to_cpu(sb, usb1->fs_cssize);
uspi->s_cgsize = fs32_to_cpu(sb, usb1->fs_cgsize);
uspi->s_ntrak = fs32_to_cpu(sb, usb1->fs_ntrak);
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);
uspi->s_nrpos = fs32_to_cpu(sb, usb3->fs_nrpos);
uspi->s_postbloff = fs32_to_cpu(sb, usb3->fs_postbloff);
uspi->s_rotbloff = fs32_to_cpu(sb, usb3->fs_rotbloff);
uspi->s_bpf = uspi->s_fsize << 3;
uspi->s_bpfshift = uspi->s_fshift + 3;
uspi->s_bpfmask = uspi->s_bpf - 1;
- if ((sbi->s_mount_opt & UFS_MOUNT_UFSTYPE) ==
- UFS_MOUNT_UFSTYPE_44BSD)
+ if ((sbi->s_mount_opt & UFS_MOUNT_UFSTYPE) == UFS_MOUNT_UFSTYPE_44BSD ||
+ (sbi->s_mount_opt & UFS_MOUNT_UFSTYPE) == UFS_MOUNT_UFSTYPE_UFS2)
uspi->s_maxsymlinklen =
fs32_to_cpu(sb, usb3->fs_un2.fs_44.fs_maxsymlinklen);
-
- sbi->s_flags = flags;
- inode = iget(sb, UFS_ROOTINO);
- if (!inode || is_bad_inode(inode))
+ if (uspi->fs_magic == UFS2_MAGIC)
+ maxsymlen = 2 * 4 * (UFS_NDADDR + UFS_NINDIR);
+ else
+ maxsymlen = 4 * (UFS_NDADDR + UFS_NINDIR);
+ if (uspi->s_maxsymlinklen > maxsymlen) {
+ ufs_warning(sb, __func__, "ufs_read_super: excessive maximum "
+ "fast symlink size (%u)\n", uspi->s_maxsymlinklen);
+ uspi->s_maxsymlinklen = maxsymlen;
+ }
+
+ inode = ufs_iget(sb, UFS_ROOTINO);
+ if (IS_ERR(inode)) {
+ ret = PTR_ERR(inode);
goto failed;
+ }
sb->s_root = d_alloc_root(inode);
- if (!sb->s_root)
+ if (!sb->s_root) {
+ ret = -ENOMEM;
goto dalloc_failed;
+ }
-
+ ufs_setup_cstotal(sb);
/*
* Read cylinder group structures
*/
kfree(sbi);
sb->s_fs_info = NULL;
UFSD("EXIT (FAILED)\n");
- return -EINVAL;
+ return ret;
failed_nomem:
UFSD("EXIT (NOMEM)\n");
unsigned flags;
lock_kernel();
-
UFSD("ENTER\n");
flags = UFS_SB(sb)->s_flags;
uspi = UFS_SB(sb)->s_uspi;
if (!(sb->s_flags & MS_RDONLY)) {
usb1->fs_time = cpu_to_fs32(sb, get_seconds());
if ((flags & UFS_ST_MASK) == UFS_ST_SUN
+ || (flags & UFS_ST_MASK) == UFS_ST_SUNOS
|| (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(uspi));
+ ufs_put_cstotal(sb);
}
sb->s_dirt = 0;
UFSD("EXIT\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);
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;
}
* 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_SUNOS
|| (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(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");
return -EINVAL;
#else
if (ufstype != UFS_MOUNT_UFSTYPE_SUN &&
+ ufstype != UFS_MOUNT_UFSTYPE_SUNOS &&
ufstype != UFS_MOUNT_UFSTYPE_44BSD &&
- ufstype != UFS_MOUNT_UFSTYPE_SUNx86) {
+ ufstype != UFS_MOUNT_UFSTYPE_SUNx86 &&
+ ufstype != UFS_MOUNT_UFSTYPE_UFS2) {
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;
}
return 0;
}
+static int ufs_show_options(struct seq_file *seq, struct vfsmount *vfs)
+{
+ struct ufs_sb_info *sbi = UFS_SB(vfs->mnt_sb);
+ unsigned mval = sbi->s_mount_opt & UFS_MOUNT_UFSTYPE;
+ const struct match_token *tp = tokens;
+
+ while (tp->token != Opt_onerror_panic && tp->token != mval)
+ ++tp;
+ BUG_ON(tp->token == Opt_onerror_panic);
+ seq_printf(seq, ",%s", tp->pattern);
+
+ mval = sbi->s_mount_opt & UFS_MOUNT_ONERROR;
+ while (tp->token != Opt_err && tp->token != mval)
+ ++tp;
+ BUG_ON(tp->token == Opt_err);
+ seq_printf(seq, ",%s", tp->pattern);
+
+ return 0;
+}
+
static int ufs_statfs(struct dentry *dentry, struct kstatfs *buf)
{
struct super_block *sb = dentry->d_sb;
struct ufs_super_block_first *usb1;
struct ufs_super_block_second *usb2;
struct ufs_super_block_third *usb3;
+ u64 id = huge_encode_dev(sb->s_bdev->bd_dev);
lock_kernel();
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);
- buf->f_bfree = ufs_blkstofrags(
- fs64_to_cpu(sb, usb2->fs_un.fs_u2.cs_nbfree)) +
- fs64_to_cpu(sb, usb3->fs_un1.fs_u2.cs_nffree);
- buf->f_ffree = fs64_to_cpu(sb, usb3->fs_un1.fs_u2.cs_nifree);
} 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;
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);
unlock_kernel();
return 0;
}
-static kmem_cache_t * ufs_inode_cachep;
+static struct kmem_cache * ufs_inode_cachep;
static struct inode *ufs_alloc_inode(struct super_block *sb)
{
struct ufs_inode_info *ei;
- ei = (struct ufs_inode_info *)kmem_cache_alloc(ufs_inode_cachep, SLAB_KERNEL);
+ ei = (struct ufs_inode_info *)kmem_cache_alloc(ufs_inode_cachep, GFP_KERNEL);
if (!ei)
return NULL;
ei->vfs_inode.i_version = 1;
kmem_cache_free(ufs_inode_cachep, UFS_I(inode));
}
-static void init_once(void * foo, kmem_cache_t * cachep, unsigned long flags)
+static void init_once(void *foo)
{
struct ufs_inode_info *ei = (struct ufs_inode_info *) foo;
- if ((flags & (SLAB_CTOR_VERIFY|SLAB_CTOR_CONSTRUCTOR)) ==
- SLAB_CTOR_CONSTRUCTOR)
- inode_init_once(&ei->vfs_inode);
+ inode_init_once(&ei->vfs_inode);
}
-
+
static int init_inodecache(void)
{
ufs_inode_cachep = kmem_cache_create("ufs_inode_cache",
sizeof(struct ufs_inode_info),
0, (SLAB_RECLAIM_ACCOUNT|
SLAB_MEM_SPREAD),
- init_once, NULL);
+ init_once);
if (ufs_inode_cachep == NULL)
return -ENOMEM;
return 0;
static void destroy_inodecache(void)
{
- if (kmem_cache_destroy(ufs_inode_cachep))
- printk(KERN_INFO "ufs_inode_cache: not all structures were freed\n");
+ kmem_cache_destroy(ufs_inode_cachep);
}
#ifdef CONFIG_QUOTA
static ssize_t ufs_quota_write(struct super_block *, int, const char *, size_t, loff_t);
#endif
-static struct super_operations ufs_super_ops = {
+static const struct super_operations ufs_super_ops = {
.alloc_inode = ufs_alloc_inode,
.destroy_inode = ufs_destroy_inode,
- .read_inode = ufs_read_inode,
.write_inode = ufs_write_inode,
.delete_inode = ufs_delete_inode,
.put_super = ufs_put_super,
.write_super = ufs_write_super,
.statfs = ufs_statfs,
.remount_fs = ufs_remount,
+ .show_options = ufs_show_options,
#ifdef CONFIG_QUOTA
.quota_read = ufs_quota_read,
.quota_write = ufs_quota_write,
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;