Hi J. R.
I know you have almost no time to look into this but the latest code of aufs
2.1 don't work with 2.6.36 yet. Current error is now:
branch.c:859:2: error: request for member 'next' in something not a structure
or union
A full error log and the code snippet where the problem is is attached.
I managed to fix module problems I had with this new kernel to fix so only
aufs2
is still on my list:
http://chakra-project.org/bbs/viewtopic.php?pid=22281#p22281
I'm glad for any help on this problem. Steven Barrett might have also time to
look into it ...
greez
Phil
p...@[chroot]:~/buildroot/core-testing/aufs2.1$ ../makepkg
==> Making package: aufs2.1 2.6.36_20101022-1 (Sat Oct 23 09:05:42 UTC 2010)
==> Checking Runtime Dependencies...
==> Checking Buildtime Dependencies...
==> Retrieving Sources...
-> Found aufs2.1-2.6.36_20101022.tar.gz
==> Validating source files with md5sums...
aufs2.1-2.6.36_20101022.tar.gz ... Passed
==> Extracting Sources...
-> Extracting aufs2.1-2.6.36_20101022.tar.gz with bsdtar
==> Removing existing pkg/ directory...
==> Entering fakeroot environment...
==> Starting build()...
==> start config
-I/home/phil/buildroot/core-testing/aufs2.1/src/aufs2.1-2.6.36_20101022/include
-DCONFIG_AUFS_MODULE -UCONFIG_AUFS -DCONFIG_AUFS_BRANCH_MAX_127
-DCONFIG_AUFS_HNOTIFY -DCONFIG_AUFS_HFSNOTIFY -DCONFIG_AUFS_EXPORT
-DCONFIG_AUFS_SHWH -DCONFIG_AUFS_BR_RAMFS -DCONFIG_AUFS_BDEV_LOOP
make -C /usr/src/linux-2.6.36-CHAKRA
M=/home/phil/buildroot/core-testing/aufs2.1/src/aufs2.1-2.6.36_20101022/fs/aufs
EXTRA_CFLAGS="-I/home/phil/buildroot/core-testing/aufs2.1/src/aufs2.1-2.6.36_20101022/include
-DCONFIG_AUFS_MODULE -UCONFIG_AUFS -DCONFIG_AUFS_BRANCH_MAX_127
-DCONFIG_AUFS_HNOTIFY -DCONFIG_AUFS_HFSNOTIFY -DCONFIG_AUFS_EXPORT
-DCONFIG_AUFS_SHWH -DCONFIG_AUFS_BR_RAMFS -DCONFIG_AUFS_BDEV_LOOP" modules
make[1]: Entering directory `/usr/src/linux-2.6.36-CHAKRA'
CC [M]
/home/phil/buildroot/core-testing/aufs2.1/src/aufs2.1-2.6.36_20101022/fs/aufs/module.o
CC [M]
/home/phil/buildroot/core-testing/aufs2.1/src/aufs2.1-2.6.36_20101022/fs/aufs/sbinfo.o
CC [M]
/home/phil/buildroot/core-testing/aufs2.1/src/aufs2.1-2.6.36_20101022/fs/aufs/super.o
CC [M]
/home/phil/buildroot/core-testing/aufs2.1/src/aufs2.1-2.6.36_20101022/fs/aufs/branch.o
/home/phil/buildroot/core-testing/aufs2.1/src/aufs2.1-2.6.36_20101022/fs/aufs/branch.c:
In function 'au_br_mod_files_ro':
/home/phil/buildroot/core-testing/aufs2.1/src/aufs2.1-2.6.36_20101022/fs/aufs/branch.c:859:2:
error: request for member 'next' in something not a structure or union
/home/phil/buildroot/core-testing/aufs2.1/src/aufs2.1-2.6.36_20101022/fs/aufs/branch.c:859:2:
warning: comparison of distinct pointer types lacks a cast
make[2]: ***
[/home/phil/buildroot/core-testing/aufs2.1/src/aufs2.1-2.6.36_20101022/fs/aufs/branch.o]
Error 1
make[1]: ***
[_module_/home/phil/buildroot/core-testing/aufs2.1/src/aufs2.1-2.6.36_20101022/fs/aufs]
Error 2
make[1]: Leaving directory `/usr/src/linux-2.6.36-CHAKRA'
make: *** [fs/aufs/aufs.ko] Error 2
Aborting...
Code snippet:
static int au_br_mod_files_ro(struct super_block *sb, aufs_bindex_t bindex)
{
int err;
unsigned long n, ul, bytes, files;
aufs_bindex_t bstart;
struct file *file, *hf, **a;
const int step_bytes = 1024, /* memory allocation unit */
step_files = step_bytes / sizeof(*a);
err = -ENOMEM;
n = 0;
bytes = step_bytes;
files = step_files;
a = kmalloc(bytes, GFP_NOFS);
if (unlikely(!a))
goto out;
/* no need file_list_lock() since sbinfo is locked? defered? */
list_for_each_entry(file, &sb->s_files, f_u.fu_list) {
if (special_file(file->f_dentry->d_inode->i_mode))
continue;
AuDbg("%.*s\n", AuDLNPair(file->f_dentry));
fi_read_lock(file);
if (unlikely(au_test_mmapped(file))) {
err = -EBUSY;
FiMustNoWaiters(file);
fi_read_unlock(file);
goto out_free;
}
bstart = au_fbstart(file);
if (!S_ISREG(file->f_dentry->d_inode->i_mode)
|| !(file->f_mode & FMODE_WRITE)
|| bstart != bindex) {
FiMustNoWaiters(file);
fi_read_unlock(file);
continue;
}
hf = au_hf_top(file);
FiMustNoWaiters(file);
fi_read_unlock(file);
if (n < files)
a[n++] = hf;
else {
void *p;
err = -ENOMEM;
bytes += step_bytes;
files += step_files;
p = krealloc(a, bytes, GFP_NOFS);
if (p) {
a = p;
a[n++] = hf;
} else
goto out_free;
}
}
err = 0;
if (n)
au_warn_ima();
for (ul = 0; ul < n; ul++) {
/* todo: already flushed? */
/* cf. fs/super.c:mark_files_ro() */
hf = a[ul];
hf->f_mode &= ~FMODE_WRITE;
if (!file_check_writeable(hf)) {
file_release_write(hf);
mnt_drop_write(hf->f_vfsmnt);
}
}
out_free:
kfree(a);
out:
return err;
}
claimed line:
list_for_each_entry(file, &sb->s_files, f_u.fu_list) {------------------------------------------------------------------------------
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