#include "datastream.h"
#include "super.h"
#include "io.h"
-#include "endian.h"
MODULE_DESCRIPTION("BeOS File System (BeFS) driver");
MODULE_AUTHOR("Will Dyson");
char **out, int *out_len);
static void befs_put_super(struct super_block *);
static int befs_remount(struct super_block *, int *, char *);
-static int befs_statfs(struct super_block *, struct kstatfs *);
+static int befs_statfs(struct dentry *, struct kstatfs *);
static int parse_options(char *, befs_mount_options *);
static const struct super_operations befs_sops = {
};
/* slab cache for befs_inode_info objects */
-static kmem_cache_t *befs_inode_cachep;
+static struct kmem_cache *befs_inode_cachep;
static const struct file_operations befs_dir_operations = {
.read = generic_read_dir,
.readdir = befs_readdir,
};
-static struct inode_operations befs_dir_inode_operations = {
+static const struct inode_operations befs_dir_inode_operations = {
.lookup = befs_lookup,
};
-static struct address_space_operations befs_aops = {
+static const struct address_space_operations befs_aops = {
.readpage = befs_readpage,
.sync_page = block_sync_page,
.bmap = befs_bmap,
};
-static struct inode_operations befs_symlink_inode_operations = {
+static const struct inode_operations befs_symlink_inode_operations = {
.readlink = generic_readlink,
.follow_link = befs_follow_link,
.put_link = befs_put_link,
static int
befs_readdir(struct file *filp, void *dirent, filldir_t filldir)
{
- struct inode *inode = filp->f_dentry->d_inode;
+ struct inode *inode = filp->f_path.dentry->d_inode;
struct super_block *sb = inode->i_sb;
befs_data_stream *ds = &BEFS_I(inode)->i_data.ds;
befs_off_t value;
char keybuf[BEFS_NAME_LEN + 1];
char *nlsname;
int nlsnamelen;
- const char *dirname = filp->f_dentry->d_name.name;
+ const char *dirname = filp->f_path.dentry->d_name.name;
befs_debug(sb, "---> befs_readdir() "
"name %s, inode %ld, filp->f_pos %Ld",
{
struct befs_inode_info *bi;
bi = (struct befs_inode_info *)kmem_cache_alloc(befs_inode_cachep,
- SLAB_KERNEL);
+ GFP_KERNEL);
if (!bi)
return NULL;
return &bi->vfs_inode;
kmem_cache_free(befs_inode_cachep, BEFS_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 befs_inode_info *bi = (struct befs_inode_info *) foo;
-
- if ((flags & (SLAB_CTOR_VERIFY|SLAB_CTOR_CONSTRUCTOR)) ==
- SLAB_CTOR_CONSTRUCTOR) {
- inode_init_once(&bi->vfs_inode);
- }
+
+ inode_init_once(&bi->vfs_inode);
}
static void
if (!bh) {
befs_error(sb, "unable to read inode block - "
"inode = %lu", inode->i_ino);
- goto unaquire_none;
+ goto unacquire_none;
}
raw_inode = (befs_inode *) bh->b_data;
if (befs_check_inode(sb, raw_inode, inode->i_ino) != BEFS_OK) {
befs_error(sb, "Bad inode: %lu", inode->i_ino);
- goto unaquire_bh;
+ goto unacquire_bh;
}
inode->i_mode = (umode_t) fs32_to_cpu(sb, raw_inode->mode);
inode->i_mtime.tv_nsec = 0; /* lower 16 bits are not a time */
inode->i_ctime = inode->i_mtime;
inode->i_atime = inode->i_mtime;
- inode->i_blksize = befs_sb->block_size;
befs_ino->i_inode_num = fsrun_to_cpu(sb, raw_inode->inode_num);
befs_ino->i_parent = fsrun_to_cpu(sb, raw_inode->parent);
befs_error(sb, "Inode %lu is not a regular file, "
"directory or symlink. THAT IS WRONG! BeFS has no "
"on disk special files", inode->i_ino);
- goto unaquire_bh;
+ goto unacquire_bh;
}
brelse(bh);
befs_debug(sb, "<--- befs_read_inode()");
return;
- unaquire_bh:
+ unacquire_bh:
brelse(bh);
- unaquire_none:
+ unacquire_none:
make_bad_inode(inode);
befs_debug(sb, "<--- befs_read_inode() - Bad inode");
return;
static void
befs_destroy_inodecache(void)
{
- if (kmem_cache_destroy(befs_inode_cachep))
- printk(KERN_ERR "befs_destroy_inodecache: "
- "not all structures were freed\n");
+ kmem_cache_destroy(befs_inode_cachep);
}
/*
wchar_t uni;
int unilen, utflen;
char *result;
- int maxlen = in_len; /* The utf8->nls conversion can't make more chars */
+ /* The utf8->nls conversion won't make the final nls string bigger
+ * than the utf one, but if the string is pure ascii they'll have the
+ * same width and an extra char is needed to save the additional \0
+ */
+ int maxlen = in_len + 1;
befs_debug(sb, "---> utf2nls()");
wchar_t uni;
int unilen, utflen;
char *result;
- int maxlen = 3 * in_len;
+ /* There're nls characters that will translate to 3-chars-wide UTF-8
+ * characters, a additional byte is needed to save the final \0
+ * in special cases */
+ int maxlen = (3 * in_len) + 1;
befs_debug(sb, "---> nls2utf()\n");
printk(KERN_ERR
"BeFS(%s): Unable to allocate memory for private "
"portion of superblock. Bailing.\n", sb->s_id);
- goto unaquire_none;
+ goto unacquire_none;
}
befs_sb = BEFS_SB(sb);
memset(befs_sb, 0, sizeof(befs_sb_info));
if (!parse_options((char *) data, &befs_sb->mount_opts)) {
befs_error(sb, "cannot parse mount options");
- goto unaquire_priv_sbp;
+ goto unacquire_priv_sbp;
}
befs_debug(sb, "---> befs_fill_super()");
if (!(bh = sb_bread(sb, sb_block))) {
befs_error(sb, "unable to read superblock");
- goto unaquire_priv_sbp;
+ goto unacquire_priv_sbp;
}
/* account for offset of super block on x86 */
}
if (befs_load_sb(sb, disk_sb) != BEFS_OK)
- goto unaquire_bh;
+ goto unacquire_bh;
befs_dump_super_block(sb, disk_sb);
brelse(bh);
if (befs_check_sb(sb) != BEFS_OK)
- goto unaquire_priv_sbp;
+ goto unacquire_priv_sbp;
if( befs_sb->num_blocks > ~((sector_t)0) ) {
befs_error(sb, "blocks count: %Lu "
"is larger than the host can use",
befs_sb->num_blocks);
- goto unaquire_priv_sbp;
+ goto unacquire_priv_sbp;
}
/*
if (!sb->s_root) {
iput(root);
befs_error(sb, "get root inode failed");
- goto unaquire_priv_sbp;
+ goto unacquire_priv_sbp;
}
/* load nls library */
return 0;
/*****************/
- unaquire_bh:
+ unacquire_bh:
brelse(bh);
- unaquire_priv_sbp:
+ unacquire_priv_sbp:
kfree(sb->s_fs_info);
- unaquire_none:
+ unacquire_none:
sb->s_fs_info = NULL;
return -EINVAL;
}
}
static int
-befs_statfs(struct super_block *sb, struct kstatfs *buf)
+befs_statfs(struct dentry *dentry, struct kstatfs *buf)
{
+ struct super_block *sb = dentry->d_sb;
befs_debug(sb, "---> befs_statfs()");
return 0;
}
-static struct super_block *
+static int
befs_get_sb(struct file_system_type *fs_type, int flags, const char *dev_name,
- void *data)
+ void *data, struct vfsmount *mnt)
{
- return get_sb_bdev(fs_type, flags, dev_name, data, befs_fill_super);
+ return get_sb_bdev(fs_type, flags, dev_name, data, befs_fill_super,
+ mnt);
}
static struct file_system_type befs_fs_type = {
err = befs_init_inodecache();
if (err)
- goto unaquire_none;
+ goto unacquire_none;
err = register_filesystem(&befs_fs_type);
if (err)
- goto unaquire_inodecache;
+ goto unacquire_inodecache;
return 0;
-unaquire_inodecache:
+unacquire_inodecache:
befs_destroy_inodecache();
-unaquire_none:
+unacquire_none:
return err;
}
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff