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* 9p: Correct fidpool creation failure in p9_client_createJosef 'Jeff' Sipek2008-05-141-1/+1
| | | | | | | On error, p9_idpool_create returns an ERR_PTR-encoded errno. Signed-off-by: Josef 'Jeff' Sipek <jeffpc@josefsipek.net> Acked-by: Eric Van Hensbergen <ericvh@gmail.com>
* 9p: propagate parse_option changes to client and transportsEric Van Hensbergen2008-05-141-7/+23
| | | | | | | | | Propagate changes that were made to the parse_options code to the other parse options pieces present in the other modules. Looks like the client parse options was probably corrupting the parse string and causing problems for others. Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
* 9p: transport API reorganizationEric Van Hensbergen2008-02-061-21/+94
| | | | | | | | | | This merges the mux.c (including the connection interface) with trans_fd in preparation for transport API changes. Ultimately, trans_fd will need to be rewritten to clean it up and simplify the implementation, but this reorganization is viewed as the first step. Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
* 9p: block-based virtio clientEric Van Hensbergen2008-02-061-17/+17
| | | | | | | | This replaces the console-based virto client with a block-based client using a single request queue. Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
* 9p: create transport rpc cut-thruEric Van Hensbergen2008-02-061-16/+33
| | | | | | | | | Add a new transport function which allows a cut-thru directly to the transport instead of processing request through the mux if the cut-thru exists. Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
* 9p: fix bug in p9_clone_statMartin Stava2008-02-061-0/+5
| | | | | | | | | This patch fixes a bug in the copying of 9P stat information where string references weren't being updated properly. Signed-off-by: Martin Sava <martin.stava@gmail.com> Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
* 9p: fix bad kconfig cross-dependencyEric Van Hensbergen2007-10-171-0/+1
| | | | | | | | This patch moves transport dynamic registration and matching to the net module to prevent a bad Kconfig dependency between the net and fs 9p modules. Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
* 9p: attach-per-userLatchesar Ionkov2007-10-171-4/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The 9P2000 protocol requires the authentication and permission checks to be done in the file server. For that reason every user that accesses the file server tree has to authenticate and attach to the server separately. Multiple users can share the same connection to the server. Currently v9fs does a single attach and executes all I/O operations as a single user. This makes using v9fs in multiuser environment unsafe as it depends on the client doing the permission checking. This patch improves the 9P2000 support by allowing every user to attach separately. The patch defines three modes of access (new mount option 'access'): - attach-per-user (access=user) (default mode for 9P2000.u) If a user tries to access a file served by v9fs for the first time, v9fs sends an attach command to the server (Tattach) specifying the user. If the attach succeeds, the user can access the v9fs tree. As there is no uname->uid (string->integer) mapping yet, this mode works only with the 9P2000.u dialect. - allow only one user to access the tree (access=<uid>) Only the user with uid can access the v9fs tree. Other users that attempt to access it will get EPERM error. - do all operations as a single user (access=any) (default for 9P2000) V9fs does a single attach and all operations are done as a single user. If this mode is selected, the v9fs behavior is identical with the current one. Signed-off-by: Latchesar Ionkov <lucho@ionkov.net> Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
* 9p: Make transports dynamicEric Van Hensbergen2007-10-171-1/+1
| | | | | | | | | This patch abstracts out the interfaces to underlying transports so that new transports can be added as modules. This should also allow kernel configuration of transports without ifdef-hell. Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
* 9p: fix a race condition bug in umount which caused a segfaultEric Van Hensbergen2007-07-141-3/+3
| | | | | | | | umounting partitions after heavy activity would sometimes trigger a segmentation violation. This fix appears to remove that problem. Fix originally provided by Latchesar Ionkov. Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
* 9p: Reorganization of 9p file system codeLatchesar Ionkov2007-07-141-0/+965
This patchset moves non-filesystem interfaces of v9fs from fs/9p to net/9p. It moves the transport, packet marshalling and connection layers to net/9p leaving only the VFS related files in fs/9p. This work is being done in preparation for in-kernel 9p servers as well as alternate 9p clients (other than VFS). Signed-off-by: Latchesar Ionkov <lucho@ionkov.net> Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
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