diff options
| author | Dr. David Alan Gilbert <dgilbert@redhat.com> | 2020-06-29 12:54:20 +0100 |
|---|---|---|
| committer | Dr. David Alan Gilbert <dgilbert@redhat.com> | 2020-07-03 16:23:05 +0100 |
| commit | 3005c099ef3c6b43213e1454296c1c6556345805 (patch) | |
| tree | ea5674fe54fadc8ef13569b4119c1b429ffb1ed6 /tools/virtiofsd/helper.c | |
| parent | 55b22a60cc7ac25565a13813deba3d548cb48bd3 (diff) | |
virtiofsd: Allow addition or removal of capabilities
Allow capabilities to be added or removed from the allowed set for the
daemon; e.g.
default:
CapPrm: 00000000880000df
CapEff: 00000000880000df
-o modcaps=+sys_admin
CapPrm: 00000000882000df
CapEff: 00000000882000df
-o modcaps=+sys_admin:-chown
CapPrm: 00000000882000de
CapEff: 00000000882000de
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Message-Id: <20200629115420.98443-4-dgilbert@redhat.com>
Acked-by: Vivek Goyal <vgoyal@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Diffstat (limited to 'tools/virtiofsd/helper.c')
| -rw-r--r-- | tools/virtiofsd/helper.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/tools/virtiofsd/helper.c b/tools/virtiofsd/helper.c index 00a1ef666a..3105b6c23a 100644 --- a/tools/virtiofsd/helper.c +++ b/tools/virtiofsd/helper.c @@ -174,6 +174,8 @@ void fuse_cmdline_help(void) " default: no_writeback\n" " -o xattr|no_xattr enable/disable xattr\n" " default: no_xattr\n" + " -o modcaps=CAPLIST Modify the list of capabilities\n" + " e.g. -o modcaps=+sys_admin:-chown\n" " --rlimit-nofile=<num> set maximum number of file descriptors\n" " (0 leaves rlimit unchanged)\n" " default: min(1000000, fs.file-max - 16384)\n" |