/*
* fs/bfs/inode.c
* BFS superblock and inode operations.
- * Copyright (C) 1999,2000 Tigran Aivazian <tigran@veritas.com>
+ * Copyright (C) 1999-2006 Tigran Aivazian <tigran@aivazian.fsnet.co.uk>
* From fs/minix, Copyright (C) 1991, 1992 Linus Torvalds.
*
* Made endianness-clean by Andrew Stribblehill <ads@wompom.org>, 2005.
#include <asm/uaccess.h>
#include "bfs.h"
-MODULE_AUTHOR("Tigran A. Aivazian <tigran@veritas.com>");
+MODULE_AUTHOR("Tigran Aivazian <tigran@aivazian.fsnet.co.uk>");
MODULE_DESCRIPTION("SCO UnixWare BFS filesystem for Linux");
MODULE_LICENSE("GPL");
inode->i_size = BFS_FILESIZE(di);
inode->i_blocks = BFS_FILEBLOCKS(di);
if (inode->i_size || inode->i_blocks) dprintf("Registered inode with %lld size, %ld blocks\n", inode->i_size, inode->i_blocks);
- inode->i_blksize = PAGE_SIZE;
inode->i_atime.tv_sec = le32_to_cpu(di->i_atime);
inode->i_mtime.tv_sec = le32_to_cpu(di->i_mtime);
inode->i_ctime.tv_sec = le32_to_cpu(di->i_ctime);
s->s_fs_info = NULL;
}
-static int bfs_statfs(struct super_block *s, struct kstatfs *buf)
+static int bfs_statfs(struct dentry *dentry, struct kstatfs *buf)
{
+ struct super_block *s = dentry->d_sb;
struct bfs_sb_info *info = BFS_SB(s);
u64 id = huge_encode_dev(s->s_bdev->bd_dev);
buf->f_type = BFS_MAGIC;
unlock_kernel();
}
-static kmem_cache_t * bfs_inode_cachep;
+static struct kmem_cache * bfs_inode_cachep;
static struct inode *bfs_alloc_inode(struct super_block *sb)
{
struct bfs_inode_info *bi;
- bi = kmem_cache_alloc(bfs_inode_cachep, SLAB_KERNEL);
+ bi = kmem_cache_alloc(bfs_inode_cachep, GFP_KERNEL);
if (!bi)
return NULL;
return &bi->vfs_inode;
kmem_cache_free(bfs_inode_cachep, BFS_I(inode));
}
-static void init_once(void * foo, kmem_cache_t * cachep, unsigned long flags)
+static void init_once(void * foo, struct kmem_cache * cachep, unsigned long flags)
{
struct bfs_inode_info *bi = foo;
{
bfs_inode_cachep = kmem_cache_create("bfs_inode_cache",
sizeof(struct bfs_inode_info),
- 0, SLAB_RECLAIM_ACCOUNT,
+ 0, (SLAB_RECLAIM_ACCOUNT|
+ SLAB_MEM_SPREAD),
init_once, NULL);
if (bfs_inode_cachep == NULL)
return -ENOMEM;
static void destroy_inodecache(void)
{
- if (kmem_cache_destroy(bfs_inode_cachep))
- printk(KERN_INFO "bfs_inode_cache: not all structures were freed\n");
+ kmem_cache_destroy(bfs_inode_cachep);
}
-static struct super_operations bfs_sops = {
+static const struct super_operations bfs_sops = {
.alloc_inode = bfs_alloc_inode,
.destroy_inode = bfs_destroy_inode,
.read_inode = bfs_read_inode,
unsigned i, imap_len;
struct bfs_sb_info * info;
- info = kmalloc(sizeof(*info), GFP_KERNEL);
+ info = kzalloc(sizeof(*info), GFP_KERNEL);
if (!info)
return -ENOMEM;
s->s_fs_info = info;
- memset(info, 0, sizeof(*info));
sb_set_blocksize(s, BFS_BSIZE);
+ BFS_ROOT_INO - 1;
imap_len = info->si_lasti/8 + 1;
- info->si_imap = kmalloc(imap_len, GFP_KERNEL);
+ info->si_imap = kzalloc(imap_len, GFP_KERNEL);
if (!info->si_imap)
goto out;
- memset(info->si_imap, 0, imap_len);
for (i=0; i<BFS_ROOT_INO; i++)
set_bit(i, info->si_imap);
}
info->si_blocks = (le32_to_cpu(bfs_sb->s_end) + 1)>>BFS_BSIZE_BITS; /* for statfs(2) */
- info->si_freeb = (le32_to_cpu(bfs_sb->s_end) + 1 - cpu_to_le32(bfs_sb->s_start))>>BFS_BSIZE_BITS;
+ info->si_freeb = (le32_to_cpu(bfs_sb->s_end) + 1 - le32_to_cpu(bfs_sb->s_start))>>BFS_BSIZE_BITS;
info->si_freei = 0;
info->si_lf_eblk = 0;
info->si_lf_sblk = 0;
info->si_lf_ioff = 0;
+ bh = NULL;
for (i=BFS_ROOT_INO; i<=info->si_lasti; i++) {
- inode = iget(s,i);
- if (BFS_I(inode)->i_dsk_ino == 0)
+ struct bfs_inode *di;
+ int block = (i - BFS_ROOT_INO)/BFS_INODES_PER_BLOCK + 1;
+ int off = (i - BFS_ROOT_INO) % BFS_INODES_PER_BLOCK;
+ unsigned long sblock, eblock;
+
+ if (!off) {
+ brelse(bh);
+ bh = sb_bread(s, block);
+ }
+
+ if (!bh)
+ continue;
+
+ di = (struct bfs_inode *)bh->b_data + off;
+
+ if (!di->i_ino) {
info->si_freei++;
- else {
- set_bit(i, info->si_imap);
- info->si_freeb -= inode->i_blocks;
- if (BFS_I(inode)->i_eblock > info->si_lf_eblk) {
- info->si_lf_eblk = BFS_I(inode)->i_eblock;
- info->si_lf_sblk = BFS_I(inode)->i_sblock;
- info->si_lf_ioff = BFS_INO2OFF(i);
- }
+ continue;
+ }
+ set_bit(i, info->si_imap);
+ info->si_freeb -= BFS_FILEBLOCKS(di);
+
+ sblock = le32_to_cpu(di->i_sblock);
+ eblock = le32_to_cpu(di->i_eblock);
+ if (eblock > info->si_lf_eblk) {
+ info->si_lf_eblk = eblock;
+ info->si_lf_sblk = sblock;
+ info->si_lf_ioff = BFS_INO2OFF(i);
}
- iput(inode);
}
+ brelse(bh);
if (!(s->s_flags & MS_RDONLY)) {
- mark_buffer_dirty(bh);
+ mark_buffer_dirty(info->si_sbh);
s->s_dirt = 1;
}
dump_imap("read_super", s);
return -EINVAL;
}
-static struct super_block *bfs_get_sb(struct file_system_type *fs_type,
- int flags, const char *dev_name, void *data)
+static int bfs_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, bfs_fill_super);
+ return get_sb_bdev(fs_type, flags, dev_name, data, bfs_fill_super, mnt);
}
static struct file_system_type bfs_fs_type = {
projects / linux-2.6 / blobdiff