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[PATCH] fuse: fix compile without CONFIG_BLOCK

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Randy Dunlap wote:
> Should FUSE depend on BLOCK?  Without that and with BLOCK=n, I get:
>
> inode.c:(.text+0x3acc5): undefined reference to `sb_set_blocksize'
> inode.c:(.text+0x3a393): undefined reference to `get_sb_bdev'
> fs/built-in.o:(.data+0xd718): undefined reference to `kill_block_super

Most fuse filesystems work fine without block device support, so I
think a better solution is to disable the 'fuseblk' filesystem type if
BLOCK=n.

Signed-off-by: Miklos Szeredi <miklos@szeredi.hu>
Acked-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Miklos Szeredi 2006-12-06 20:35:54 -08:00 committed by Linus Torvalds
parent 0ec7ca41f6
commit 875d95ec9e
1 changed files with 33 additions and 10 deletions
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43
fs/fuse/inode.c
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@ -535,8 +535,10 @@ static int fuse_fill_super(struct super_block *sb, void *data, int silent)
return -EINVAL; return -EINVAL;
if (is_bdev) { if (is_bdev) {
#ifdef CONFIG_BLOCK
if (!sb_set_blocksize(sb, d.blksize)) if (!sb_set_blocksize(sb, d.blksize))
return -EINVAL; return -EINVAL;
#endif
} else { } else {
sb->s_blocksize = PAGE_CACHE_SIZE; sb->s_blocksize = PAGE_CACHE_SIZE;
sb->s_blocksize_bits = PAGE_CACHE_SHIFT; sb->s_blocksize_bits = PAGE_CACHE_SHIFT;
@ -629,6 +631,14 @@ static int fuse_get_sb(struct file_system_type *fs_type,
return get_sb_nodev(fs_type, flags, raw_data, fuse_fill_super, mnt); return get_sb_nodev(fs_type, flags, raw_data, fuse_fill_super, mnt);
} }
static struct file_system_type fuse_fs_type = {
.owner = THIS_MODULE,
.name = "fuse",
.get_sb = fuse_get_sb,
.kill_sb = kill_anon_super,
};
#ifdef CONFIG_BLOCK
static int fuse_get_sb_blk(struct file_system_type *fs_type, static int fuse_get_sb_blk(struct file_system_type *fs_type,
int flags, const char *dev_name, int flags, const char *dev_name,
void *raw_data, struct vfsmount *mnt) void *raw_data, struct vfsmount *mnt)
@ -637,13 +647,6 @@ static int fuse_get_sb_blk(struct file_system_type *fs_type,
mnt); mnt);
} }
static struct file_system_type fuse_fs_type = {
.owner = THIS_MODULE,
.name = "fuse",
.get_sb = fuse_get_sb,
.kill_sb = kill_anon_super,
};
static struct file_system_type fuseblk_fs_type = { static struct file_system_type fuseblk_fs_type = {
.owner = THIS_MODULE, .owner = THIS_MODULE,
.name = "fuseblk", .name = "fuseblk",
@ -652,6 +655,26 @@ static struct file_system_type fuseblk_fs_type = {
.fs_flags = FS_REQUIRES_DEV, .fs_flags = FS_REQUIRES_DEV,
}; };
static inline int register_fuseblk(void)
{
return register_filesystem(&fuseblk_fs_type);
}
static inline void unregister_fuseblk(void)
{
unregister_filesystem(&fuseblk_fs_type);
}
#else
static inline int register_fuseblk(void)
{
return 0;
}
static inline void unregister_fuseblk(void)
{
}
#endif
static decl_subsys(fuse, NULL, NULL); static decl_subsys(fuse, NULL, NULL);
static decl_subsys(connections, NULL, NULL); static decl_subsys(connections, NULL, NULL);
@ -673,7 +696,7 @@ static int __init fuse_fs_init(void)
if (err) if (err)
goto out; goto out;
err = register_filesystem(&fuseblk_fs_type); err = register_fuseblk();
if (err) if (err)
goto out_unreg; goto out_unreg;
@ -688,7 +711,7 @@ static int __init fuse_fs_init(void)
return 0; return 0;
out_unreg2: out_unreg2:
unregister_filesystem(&fuseblk_fs_type); unregister_fuseblk();
out_unreg: out_unreg:
unregister_filesystem(&fuse_fs_type); unregister_filesystem(&fuse_fs_type);
out: out:
@ -698,7 +721,7 @@ static int __init fuse_fs_init(void)
static void fuse_fs_cleanup(void) static void fuse_fs_cleanup(void)
{ {
unregister_filesystem(&fuse_fs_type); unregister_filesystem(&fuse_fs_type);
unregister_filesystem(&fuseblk_fs_type); unregister_fuseblk();
kmem_cache_destroy(fuse_inode_cachep); kmem_cache_destroy(fuse_inode_cachep);
} }