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Date: Wed, 19 Sep 2018 07:38:26 +1000
From: Stephen Rothwell <sfr@...b.auug.org.au>
To: Al Viro <viro@...IV.linux.org.uk>
Cc: Linux-Next Mailing List <linux-next@...r.kernel.org>,
Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
David Howells <dhowells@...hat.com>
Subject: Re: linux-next: build failure after merge of the vfs tree
Hi David, Al,
On Mon, 10 Sep 2018 13:35:25 +1000 Stephen Rothwell <sfr@...b.auug.org.au> wrote:
>
> After merging the vfs tree, today's linux-next build (powerpc
> allyesconfig) failed like this:
>
> samples/vfs/test-fsinfo.c: In function 'fsinfo':
> samples/vfs/test-fsinfo.c:37:17: error: '__NR_fsinfo' undeclared (first use in this function); did you mean 'fsinfo'?
> return syscall(__NR_fsinfo, dfd, filename, params, buffer, buf_size);
> ^~~~~~~~~~~
> fsinfo
> samples/vfs/test-fsinfo.c:37:17: note: each undeclared identifier is reported only once for each function it appears in
> samples/vfs/test-fsinfo.c: In function 'dump_attr_LIMITS':
> samples/vfs/test-fsinfo.c:180:30: warning: format '%llx' expects argument of type 'long long unsigned int', but argument 2 has type '__u64' {aka 'long unsigned int'} [-Wformat=]
> printf("\tmax file size: %llx\n", f->max_file_size);
> ~~~^ ~~~~~~~~~~~~~~~~
> %lx
> samples/vfs/test-fsinfo.c:181:32: warning: format '%llx' expects argument of type 'long long unsigned int', but argument 2 has type '__u64' {aka 'long unsigned int'} [-Wformat=]
> printf("\tmax ids : u=%llx g=%llx p=%llx\n",
> ~~~^
> %lx
> f->max_uid, f->max_gid, f->max_projid);
> ~~~~~~~~~~
> samples/vfs/test-fsinfo.c:181:39: warning: format '%llx' expects argument of type 'long long unsigned int', but argument 3 has type '__u64' {aka 'long unsigned int'} [-Wformat=]
> printf("\tmax ids : u=%llx g=%llx p=%llx\n",
> ~~~^
> %lx
> f->max_uid, f->max_gid, f->max_projid);
> ~~~~~~~~~~
> samples/vfs/test-fsinfo.c:181:46: warning: format '%llx' expects argument of type 'long long unsigned int', but argument 4 has type '__u64' {aka 'long unsigned int'} [-Wformat=]
> printf("\tmax ids : u=%llx g=%llx p=%llx\n",
> ~~~^
> %lx
> f->max_uid, f->max_gid, f->max_projid);
> ~~~~~~~~~~~~~
> samples/vfs/test-fsinfo.c: In function 'dump_attr_SUPPORTS':
> samples/vfs/test-fsinfo.c:197:24: warning: format '%llx' expects argument of type 'long long unsigned int', but argument 2 has type '__u64' {aka 'long unsigned int'} [-Wformat=]
> printf("\tstx_attr=%llx\n", f->stx_attributes);
> ~~~^ ~~~~~~~~~~~~~~~~~
> %lx
> samples/vfs/test-fsmount.c: In function 'fsopen':
> samples/vfs/test-fsmount.c:63:17: error: '__NR_fsopen' undeclared (first use in this function); did you mean 'fsopen'?
> return syscall(__NR_fsopen, fs_name, flags);
> ^~~~~~~~~~~
> fsopen
> samples/vfs/test-fsmount.c:63:17: note: each undeclared identifier is reported only once for each function it appears in
> samples/vfs/test-fsmount.c: In function 'fsmount':
> samples/vfs/test-fsmount.c:68:17: error: '__NR_fsmount' undeclared (first use in this function); did you mean 'fsmount'?
> return syscall(__NR_fsmount, fsfd, flags, ms_flags);
> ^~~~~~~~~~~~
> fsmount
> samples/vfs/test-fsmount.c: In function 'fsconfig':
> samples/vfs/test-fsmount.c:74:17: error: '__NR_fsconfig' undeclared (first use in this function); did you mean 'fsconfig'?
> return syscall(__NR_fsconfig, fsfd, cmd, key, val, aux);
> ^~~~~~~~~~~~~
> fsconfig
> samples/vfs/test-fsmount.c: In function 'move_mount':
> samples/vfs/test-fsmount.c:81:17: error: '__NR_move_mount' undeclared (first use in this function); did you mean 'move_mount'?
> return syscall(__NR_move_mount,
> ^~~~~~~~~~~~~~~
> move_mount
> samples/vfs/test-fs-query.c: In function 'fsopen':
> samples/vfs/test-fs-query.c:32:17: error: '__NR_fsopen' undeclared (first use in this function); did you mean 'fsopen'?
> return syscall(__NR_fsopen, fs_name, flags);
> ^~~~~~~~~~~
> fsopen
> samples/vfs/test-fs-query.c:32:17: note: each undeclared identifier is reported only once for each function it appears in
> samples/vfs/test-fs-query.c: In function 'fsinfo':
> samples/vfs/test-fs-query.c:38:17: error: '__NR_fsinfo' undeclared (first use in this function); did you mean 'fsinfo'?
> return syscall(__NR_fsinfo, dfd, filename, params, buffer, buf_size);
> ^~~~~~~~~~~
> fsinfo
> samples/vfs/test-statx.c: In function 'dump_statx':
> samples/vfs/test-statx.c:160:29: warning: format '%llx' expects argument of type 'long long unsigned int', but argument 2 has type '__u64' {aka 'long unsigned int'} [-Wformat=]
> printf("Attributes: %016llx (", stx->stx_attributes);
> ~~~~~~^ ~~~~~~~~~~~~~~~~~~~
> %016lx
>
> Caused by commits
>
> 2615362dc9ce ("vfs: Add a sample program for the new mount API")
> e9078278ec11 ("vfs: syscall: Add fsinfo() to query filesystem information")
>
> The directory name has changed, but the errors persist!
>
> I have applied this patch for today:
>
> From: Stephen Rothwell <sfr@...b.auug.org.au>
> Date: Mon, 10 Sep 2018 13:19:20 +1000
> Subject: [PATCH] disable building the VFS sample programs
>
> Signed-off-by: Stephen Rothwell <sfr@...b.auug.org.au>
> ---
> samples/Kconfig | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/samples/Kconfig b/samples/Kconfig
> index 0431af2589ac..c8823d9d97db 100644
> --- a/samples/Kconfig
> +++ b/samples/Kconfig
> @@ -148,6 +148,7 @@ config SAMPLE_VFIO_MDEV_MBOCHS
>
> config SAMPLE_VFS
> bool "Build example programs that use new VFS system calls"
> + depends on BROKEN
> help
> Build example userspace programs that use new VFS system calls such
> as mount API and statx()
Can we have a permanent solution to this, please ... I am still
applying the above patch.
--
Cheers,
Stephen Rothwell
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