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Message-ID: <20180906122850.1fe3adb3@canb.auug.org.au>
Date: Thu, 6 Sep 2018 12:28:50 +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: linux-next: build failure after merge of the vfs tree
Hi Al,
After merging the vfs tree, today's linux-next build (powerpc
allyesconfig) failed like this:
samples/mount_api/test-fsmount.c: In function 'fsopen':
samples/mount_api/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/mount_api/test-fsmount.c:63:17: note: each undeclared identifier is reported only once for each function it appears in
samples/mount_api/test-fsmount.c: In function 'fsmount':
samples/mount_api/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/mount_api/test-fsmount.c: In function 'fsconfig':
samples/mount_api/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/mount_api/test-fsmount.c: In function 'move_mount':
samples/mount_api/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/statx/test-fs-query.c: In function 'fsopen':
samples/statx/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/statx/test-fs-query.c:32:17: note: each undeclared identifier is reported only once for each function it appears in
samples/statx/test-fs-query.c: In function 'fsinfo':
samples/statx/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/statx/test-fsinfo.c: In function 'fsinfo':
samples/statx/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/statx/test-fsinfo.c:37:17: note: each undeclared identifier is reported only once for each function it appears in
samples/statx/test-fsinfo.c: In function 'dump_attr_LIMITS':
samples/statx/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/statx/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/statx/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/statx/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/statx/test-fsinfo.c: In function 'dump_attr_SUPPORTS':
samples/statx/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/statx/test-statx.c: In function 'dump_statx':
samples/statx/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
3e83f58bcc4f ("vfs: Add a sample program for the new mount API")
67f668a6a913 ("vfs: syscall: Add fsinfo() to query filesystem information")
I have added the following patch for today:
From: Stephen Rothwell <sfr@...b.auug.org.au>
Date: Thu, 6 Sep 2018 12:15:23 +1000
Subject: [PATCH] mark samples/{mount_api,statx} as broken again
Signed-off-by: Stephen Rothwell <sfr@...b.auug.org.au>
---
samples/Kconfig | 2 ++
1 file changed, 2 insertions(+)
diff --git a/samples/Kconfig b/samples/Kconfig
index 1c5658bc6224..daa17e9f3197 100644
--- a/samples/Kconfig
+++ b/samples/Kconfig
@@ -148,11 +148,13 @@ config SAMPLE_VFIO_MDEV_MBOCHS
config SAMPLE_STATX
bool "Build example extended-stat using code"
+ depends on BROKEN
help
Build example userspace program to use the new extended-stat syscall.
config SAMPLE_MOUNT_API
bool "Build example code using the new mount API"
+ depends on BROKEN
help
Build example userspace program(s) that use the new mount API.
--
2.18.0
--
Cheers,
Stephen Rothwell
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