X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=fs%2Fminix%2Finode.c;fp=fs%2Fminix%2Finode.c;h=f8c7b026f94e86ef98341792fba465209cdcad9f;hb=16c70f8c1b54b61c3b951b6fb220df250fe09b32;hp=2dcccf1d1b7f7d2b72110e2d2be6b3a2f911b0b8;hpb=4e76c8a9fa413ccc09d3f7f664183dcce3555d57;p=linux-2.6.git diff --git a/fs/minix/inode.c b/fs/minix/inode.c index 2dcccf1d1..f8c7b026f 100644 --- a/fs/minix/inode.c +++ b/fs/minix/inode.c @@ -19,7 +19,7 @@ static void minix_read_inode(struct inode * inode); static int minix_write_inode(struct inode * inode, int wait); -static int minix_statfs(struct super_block *sb, struct kstatfs *buf); +static int minix_statfs(struct dentry *dentry, struct kstatfs *buf); static int minix_remount (struct super_block * sb, int * flags, char * data); static void minix_delete_inode(struct inode *inode) @@ -204,6 +204,8 @@ static int minix_fill_super(struct super_block *s, void *data, int silent) /* * Allocate the buffer map to keep the superblock small. */ + if (sbi->s_imap_blocks == 0 || sbi->s_zmap_blocks == 0) + goto out_illegal_sb; i = (sbi->s_imap_blocks + sbi->s_zmap_blocks) * sizeof(bh); map = kmalloc(i, GFP_KERNEL); if (!map) @@ -263,7 +265,7 @@ out_no_root: out_no_bitmap: printk("MINIX-fs: bad superblock or unable to read bitmaps\n"); - out_freemap: +out_freemap: for (i = 0; i < sbi->s_imap_blocks; i++) brelse(sbi->s_imap[i]); for (i = 0; i < sbi->s_zmap_blocks; i++) @@ -276,11 +278,16 @@ out_no_map: printk("MINIX-fs: can't allocate map\n"); goto out_release; +out_illegal_sb: + if (!silent) + printk("MINIX-fs: bad superblock\n"); + goto out_release; + out_no_fs: if (!silent) printk("VFS: Can't find a Minix or Minix V2 filesystem " "on device %s\n", s->s_id); - out_release: +out_release: brelse(bh); goto out; @@ -290,17 +297,17 @@ out_bad_hblock: out_bad_sb: printk("MINIX-fs: unable to read superblock\n"); - out: +out: s->s_fs_info = NULL; kfree(sbi); return -EINVAL; } -static int minix_statfs(struct super_block *sb, struct kstatfs *buf) +static int minix_statfs(struct dentry *dentry, struct kstatfs *buf) { - struct minix_sb_info *sbi = minix_sb(sb); - buf->f_type = sb->s_magic; - buf->f_bsize = sb->s_blocksize; + struct minix_sb_info *sbi = minix_sb(dentry->d_sb); + buf->f_type = dentry->d_sb->s_magic; + buf->f_bsize = dentry->d_sb->s_blocksize; buf->f_blocks = (sbi->s_nzones - sbi->s_firstdatazone) << sbi->s_log_zone_size; buf->f_bfree = minix_count_free_blocks(sbi); buf->f_bavail = buf->f_bfree; @@ -335,7 +342,7 @@ static sector_t minix_bmap(struct address_space *mapping, sector_t block) { return generic_block_bmap(mapping,block,minix_get_block); } -static struct address_space_operations minix_aops = { +static const struct address_space_operations minix_aops = { .readpage = minix_readpage, .writepage = minix_writepage, .sync_page = block_sync_page, @@ -392,7 +399,7 @@ static void V1_minix_read_inode(struct inode * inode) inode->i_mtime.tv_nsec = 0; inode->i_atime.tv_nsec = 0; inode->i_ctime.tv_nsec = 0; - inode->i_blocks = inode->i_blksize = 0; + inode->i_blocks = 0; for (i = 0; i < 9; i++) minix_inode->u.i1_data[i] = raw_inode->i_zone[i]; minix_set_inode(inode, old_decode_dev(raw_inode->i_zone[0])); @@ -425,7 +432,7 @@ static void V2_minix_read_inode(struct inode * inode) inode->i_mtime.tv_nsec = 0; inode->i_atime.tv_nsec = 0; inode->i_ctime.tv_nsec = 0; - inode->i_blocks = inode->i_blksize = 0; + inode->i_blocks = 0; for (i = 0; i < 10; i++) minix_inode->u.i2_data[i] = raw_inode->i_zone[i]; minix_set_inode(inode, old_decode_dev(raw_inode->i_zone[0])); @@ -559,10 +566,11 @@ void minix_truncate(struct inode * inode) V2_minix_truncate(inode); } -static struct super_block *minix_get_sb(struct file_system_type *fs_type, - int flags, const char *dev_name, void *data) +static int minix_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, minix_fill_super); + return get_sb_bdev(fs_type, flags, dev_name, data, minix_fill_super, + mnt); } static struct file_system_type minix_fs_type = {