Messages in this thread | | | Date | Mon, 20 Nov 2006 10:10:51 -0800 | From | Randy Dunlap <> | Subject | Re: [patch] fuse: fix compile without CONFIG_BLOCK |
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Miklos Szeredi wrote: > Thanks Randy. > > Andrew, can you please add this patch in place of > fuse-depends-on-block.patch?
Acked-by: Randy Dunlap <randy.dunlap@oracle.com>
> Thanks, > Miklos > ---- > > 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> > CC: Randy Dunlap <randy.dunlap@oracle.com> > > --- > Index: linux/fs/fuse/inode.c > =================================================================== > --- linux.orig/fs/fuse/inode.c 2006-11-19 21:09:19.000000000 +0100 > +++ linux/fs/fuse/inode.c 2006-11-19 23:12:03.000000000 +0100 > @@ -535,8 +535,10 @@ static int fuse_fill_super(struct super_ > return -EINVAL; > > if (is_bdev) { > +#ifdef CONFIG_BLOCK > if (!sb_set_blocksize(sb, d.blksize)) > return -EINVAL; > +#endif > } else { > sb->s_blocksize = PAGE_CACHE_SIZE; > sb->s_blocksize_bits = PAGE_CACHE_SHIFT; > @@ -629,6 +631,14 @@ static int fuse_get_sb(struct file_syste > 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, > int flags, const char *dev_name, > void *raw_data, struct vfsmount *mnt) > @@ -637,13 +647,6 @@ static int fuse_get_sb_blk(struct file_s > 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 = { > .owner = THIS_MODULE, > .name = "fuseblk", > @@ -652,6 +655,26 @@ static struct file_system_type fuseblk_f > .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(connections, NULL, NULL); > > @@ -673,7 +696,7 @@ static int __init fuse_fs_init(void) > if (err) > goto out; > > - err = register_filesystem(&fuseblk_fs_type); > + err = register_fuseblk(); > if (err) > goto out_unreg; > > @@ -688,7 +711,7 @@ static int __init fuse_fs_init(void) > return 0; > > out_unreg2: > - unregister_filesystem(&fuseblk_fs_type); > + unregister_fuseblk(); > out_unreg: > unregister_filesystem(&fuse_fs_type); > out: > @@ -698,7 +721,7 @@ static int __init fuse_fs_init(void) > static void fuse_fs_cleanup(void) > { > unregister_filesystem(&fuse_fs_type); > - unregister_filesystem(&fuseblk_fs_type); > + unregister_fuseblk(); > kmem_cache_destroy(fuse_inode_cachep); > } >
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