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-rw-r--r--fs/ufs/super.c49
1 files changed, 29 insertions, 20 deletions
diff --git a/fs/ufs/super.c b/fs/ufs/super.c
index 209be95e9d18..b5a6461ec66b 100644
--- a/fs/ufs/super.c
+++ b/fs/ufs/super.c
@@ -61,6 +61,8 @@
* 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
*/
@@ -93,14 +95,16 @@
/*
* 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)
@@ -117,6 +121,12 @@ static void ufs_print_super_stuff(struct super_block *sb, unsigned flags,
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));
} else {
printk(" sblkno: %u\n", fs32_to_cpu(sb, usb1->fs_sblkno));
printk(" cblkno: %u\n", fs32_to_cpu(sb, usb1->fs_cblkno));
@@ -199,11 +209,11 @@ static void ufs_print_cylinder_stuff(struct super_block *sb,
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];
@@ -422,7 +432,6 @@ 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;
- unsigned flags = sbi->s_flags;
struct ufs_buffer_head * ubh;
unsigned char * base, * space;
unsigned size, blks, i;
@@ -446,11 +455,7 @@ static int ufs_read_cylinder_structures(struct super_block *sb)
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;
@@ -545,6 +550,7 @@ static void ufs_put_cstotal(struct super_block *sb)
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");
}
@@ -572,7 +578,9 @@ static void ufs_put_super_internal(struct super_block *sb)
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);
@@ -674,10 +682,6 @@ static int ufs_fill_super(struct super_block *sb, void *data, int silent)
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:
@@ -890,7 +894,7 @@ magic_found:
}
- ufs_print_super_stuff(sb, flags, usb1, usb2, usb3);
+ ufs_print_super_stuff(sb, usb1, usb2, usb3);
/*
* Check, if file system was correctly unmounted.
@@ -973,7 +977,12 @@ magic_found:
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);
@@ -1060,7 +1069,6 @@ static void ufs_write_super(struct super_block *sb)
unsigned flags;
lock_kernel();
-
UFSD("ENTER\n");
flags = UFS_SB(sb)->s_flags;
uspi = UFS_SB(sb)->s_uspi;
@@ -1156,7 +1164,8 @@ static int ufs_remount (struct super_block *sb, int *mount_flags, char *data)
#else
if (ufstype != UFS_MOUNT_UFSTYPE_SUN &&
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;
}
@@ -1255,7 +1264,7 @@ static ssize_t ufs_quota_read(struct super_block *, int, char *,size_t, loff_t);
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,
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-01 03:32:37 +0000