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| author | Venkateswararao Jujjuri (JV) <jvrao@linux.vnet.ibm.com> | 2011-01-25 15:40:54 -0800 |
|---|---|---|
| committer | Eric Van Hensbergen <ericvh@gmail.com> | 2011-03-15 09:57:34 -0500 |
| commit | e782ef71097e832f62256370a2fe231b9fba96cf (patch) | |
| tree | 6de30a0ac9e6250a5b969ae35655715023724736 /fs/9p/v9fs.h | |
| parent | 9332685dffed3b402816c3564342f3e2df0c83ef (diff) | |
| download | linux-stable-e782ef71097e832f62256370a2fe231b9fba96cf.tar.gz linux-stable-e782ef71097e832f62256370a2fe231b9fba96cf.tar.bz2 linux-stable-e782ef71097e832f62256370a2fe231b9fba96cf.zip | |
[fs/9P] Add posixacl mount option
The mount option access=client is overloaded as it assumes acl too.
Adding posixacl option to enable POSIX ACLs makes it explicit and clear.
Also it is convenient in the future to add other types of acls like richacls.
Ideally, the access mode 'client' should be just like V9FS_ACCESS_USER
except it underscores the location of access check.
Traditional 9P protocol lets the server perform access checks but with
this mode, all the access checks will be performed on the client itself.
Server just follows the client's directive.
Signed-off-by: Venkateswararao Jujjuri <jvrao@linux.vnet.ibm.com>
Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
Diffstat (limited to 'fs/9p/v9fs.h')
| -rw-r--r-- | fs/9p/v9fs.h | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/fs/9p/v9fs.h b/fs/9p/v9fs.h index c4b5d8864f0d..6fa3cf5547d5 100644 --- a/fs/9p/v9fs.h +++ b/fs/9p/v9fs.h @@ -28,8 +28,10 @@ * @V9FS_PROTO_2000L: whether or not to use 9P2000.l extensions * @V9FS_ACCESS_SINGLE: only the mounting user can access the hierarchy * @V9FS_ACCESS_USER: a new attach will be issued for every user (default) + * @V9FS_ACCESS_CLIENT: Just like user, but access check is performed on client. * @V9FS_ACCESS_ANY: use a single attach for all users * @V9FS_ACCESS_MASK: bit mask of different ACCESS options + * @V9FS_POSIX_ACL: POSIX ACLs are enforced * * Session flags reflect options selected by users at mount time */ @@ -37,13 +39,15 @@ V9FS_ACCESS_USER | \ V9FS_ACCESS_CLIENT) #define V9FS_ACCESS_MASK V9FS_ACCESS_ANY +#define V9FS_ACL_MASK V9FS_POSIX_ACL enum p9_session_flags { V9FS_PROTO_2000U = 0x01, V9FS_PROTO_2000L = 0x02, V9FS_ACCESS_SINGLE = 0x04, V9FS_ACCESS_USER = 0x08, - V9FS_ACCESS_CLIENT = 0x10 + V9FS_ACCESS_CLIENT = 0x10, + V9FS_POSIX_ACL = 0x20 }; /* possible values of ->cache */ |