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path: root/fs/nfsd/netns.h
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* nfsd4: make del_recall_lru per-network-namespaceJ. Bruce Fields2013-04-041-0/+1
| | | | | | If nothing else this simplifies the nfs4_state_shutdown_net logic a tad. Signed-off-by: J. Bruce Fields <bfields@redhat.com>
* nfsd: make NFSd service structure allocated per netStanislav Kinsbursky2012-12-101-0/+2
| | | | | | | | | | | | | | | | | | | | This patch makes main step in NFSd containerisation. There could be different approaches to how to make NFSd able to handle incoming RPC request from different network namespaces. The two main options are: 1) Share NFSd kthreads betwween all network namespaces. 2) Create separated pool of threads for each namespace. While first approach looks more flexible, second one is simpler and non-racy. This patch implements the second option. To make it possible to allocate separate pools of threads, we have to make it possible to allocate separate NFSd service structures per net. Signed-off-by: Stanislav Kinsbursky <skinsbursky@parallels.com> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
* nfsd: make NFSd service boot time per-netStanislav Kinsbursky2012-12-101-0/+5
| | | | | | | | | This is simple: an NFSd service can be started at different times in different network environments. So, its "boot time" has to be assigned per net. Signed-off-by: Stanislav Kinsbursky <skinsbursky@parallels.com> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
* nfsd: per-net NFSd up flag introducedStanislav Kinsbursky2012-12-101-0/+2
| | | | | | | | | This patch introduces introduces per-net "nfsd_net_up" boolean flag, which has the same purpose as general "nfsd_up" flag - skip init or shutdown of per-net resources in case of they are inited on shutted down respectively. Signed-off-by: Stanislav Kinsbursky <skinsbursky@parallels.com> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
* nfsd: make NFSv4 recovery client tracking options per netStanislav Kinsbursky2012-12-101-0/+2
| | | | | | | | | Pointer to client tracking operations - client_tracking_ops - have to be containerized, because different environment can support different trackers (for example, legacy tracker currently is not suported in container). Signed-off-by: Stanislav Kinsbursky <skinsbursky@parallels.com> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
* NFSD: Clean up forgetting clientsBryan Schumaker2012-12-031-0/+3
| | | | | | | | | | I added in a generic for-each loop that takes a pass over the client_lru list for the current net namespace and calls some function. The next few patches will update other operations to use this function as well. A value of 0 still means "forget everything that is found". Signed-off-by: Bryan Schumaker <bjschuma@netapp.com> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
* nfsd: make NFSv4 grace time per netStanislav Kinsbursky2012-11-281-0/+1
| | | | | | | | Grace time is a part of NFSv4 state engine, which is constructed per network namespace. Signed-off-by: Stanislav Kinsbursky <skinsbursky@parallels.com> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
* nfsd: make NFSv4 lease time per netStanislav Kinsbursky2012-11-281-0/+2
| | | | | | | | Lease time is a part of NFSv4 state engine, which is constructed per network namespace. Signed-off-by: Stanislav Kinsbursky <skinsbursky@parallels.com> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
* nfsd: recovery - make in_grace per netStanislav Kinsbursky2012-11-281-0/+1
| | | | | | | | Flag in_grace is a part of client tracking state, which is network namesapce aware. So let'a replace global static variable with per-net one. Signed-off-by: Stanislav Kinsbursky <skinsbursky@parallels.com> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
* nfsd: recovery - make rec_file per netStanislav Kinsbursky2012-11-281-0/+2
| | | | | | | | | | | Opening and closing of this file is done in client tracking init and exit operations. Client tracking is done in network namespace context already. So let's make this file opened and closed per network context - this will simlify it's management. Signed-off-by: Stanislav Kinsbursky <skinsbursky@parallels.com> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
* nfsd: make client_lock per netStanislav Kinsbursky2012-11-281-0/+3
| | | | | | | | This lock protects the client lru list and session hash table, which are allocated per network namespace already. Signed-off-by: Stanislav Kinsbursky <skinsbursky@parallels.com> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
* nfsd: make laundromat network namespace awareStanislav Kinsbursky2012-11-151-0/+2
| | | | | | | | This patch moves laundromat_work to nfsd per-net context, thus allowing to run multiple laundries. Signed-off-by: Stanislav Kinsbursky <skinsbursky@parallels.com> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
* nfsd: make close_lru list per netStanislav Kinsbursky2012-11-151-0/+6
| | | | | | | | | This list holds nfs4 clients (open) stateowner queue for last close replay, which are network namespace aware. So let's make this list per network namespace too. Signed-off-by: Stanislav Kinsbursky <skinsbursky@parallels.com> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
* nfsd: make client_lru list per netStanislav Kinsbursky2012-11-151-0/+5
| | | | | | | | This list holds nfs4 clients queue for lease renewal, which are network namespace aware. So let's make this list per network namespace too. Signed-off-by: Stanislav Kinsbursky <skinsbursky@parallels.com> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
* nfsd: make sessionid_hashtbl allocated per netStanislav Kinsbursky2012-11-151-0/+3
| | | | | | | | | | | | | This hash holds established sessions state and closely associated with nfs4_clients info, which are network namespace aware. So let's make it allocated per network namespace too. Note: this hash can be allocated in per-net operations. But it looks better to allocate it on nfsd state start and thus don't waste resources if server is not running. Signed-off-by: Stanislav Kinsbursky <skinsbursky@parallels.com> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
* nfsd: make lockowner_ino_hashtbl allocated per netStanislav Kinsbursky2012-11-151-0/+4
| | | | | | | | | | | | | This hash holds file lock owners and closely associated with nfs4_clients info, which are network namespace aware. So let's make it allocated per network namespace too. Note: this hash can be allocated in per-net operations. But it looks better to allocate it on nfsd state start and thus don't waste resources if server is not running. Signed-off-by: Stanislav Kinsbursky <skinsbursky@parallels.com> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
* nfsd: make ownerstr_hashtbl allocated per netStanislav Kinsbursky2012-11-151-0/+1
| | | | | | | | | | | | | This hash holds open owner state and closely associated with nfs4_clients info, which are network namespace aware. So let's make it allocated per network namespace too. Note: this hash can be allocated in per-net operations. But it looks better to allocate it on nfsd state start and thus don't waste resources if server is not running. Signed-off-by: Stanislav Kinsbursky <skinsbursky@parallels.com> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
* nfsd: make unconf_name_tree per netStanislav Kinsbursky2012-11-151-0/+4
| | | | | | | | This hash holds nfs4_clients info, which are network namespace aware. So let's make it allocated per network namespace. Signed-off-by: Stanislav Kinsbursky <skinsbursky@parallels.com> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
* nfsd: make unconf_id_hashtbl allocated per netStanislav Kinsbursky2012-11-151-0/+1
| | | | | | | | | | | | This hash holds nfs4_clients info, which are network namespace aware. So let's make it allocated per network namespace. Note: this hash can be allocated in per-net operations. But it looks better to allocate it on nfsd state start and thus don't waste resources if server is not running. Signed-off-by: Stanislav Kinsbursky <skinsbursky@parallels.com> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
* nfsd: make conf_name_tree per netStanislav Kinsbursky2012-11-151-0/+4
| | | | | | | | This tree holds nfs4_clients info, which are network namespace aware. So let's make it per network namespace. Signed-off-by: Stanislav Kinsbursky <skinsbursky@parallels.com> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
* nfsd: make conf_id_hashtbl allocated per netStanislav Kinsbursky2012-11-151-0/+1
| | | | | | | | | | | | This hash holds nfs4_clients info, which are network namespace aware. So let's make it allocated per network namespace. Note: this hash can be allocated in per-net operations. But it looks better to allocate it on nfsd state start and thus don't waste resources if server is not running. Signed-off-by: Stanislav Kinsbursky <skinsbursky@parallels.com> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
* nfsd: make reclaim_str_hashtbl allocated per netStanislav Kinsbursky2012-11-151-0/+12
| | | | | | | | | | | This hash holds nfs4_clients info, which are network namespace aware. So let's make it allocated per network namespace. Note: this hash is used only by legacy tracker. So let's allocate hash in tracker init. Signed-off-by: Stanislav Kinsbursky <skinsbursky@parallels.com> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
* NFSd: make boot_time variable per network namespaceStanislav Kinsbursky2012-07-271-0/+1
| | | | | | | NFSd's boot_time represents grace period start point in time. Signed-off-by: Stanislav Kinsbursky <skinsbursky@parallels.com> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
* NFSd: make grace end flag per network namespaceStanislav Kinsbursky2012-07-271-0/+1
| | | | | Signed-off-by: Stanislav Kinsbursky <skinsbursky@parallels.com> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
* NFSd: make nfsd4_manager allocated per network namespace context.Stanislav Kinsbursky2012-07-271-0/+2
| | | | | Signed-off-by: Stanislav Kinsbursky <skinsbursky@parallels.com> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
* nfsd: make name-to-id cache allocated per network namespace contextStanislav Kinsbursky2012-04-121-1/+1
| | | | | Signed-off-by: Stanislav Kinsbursky <skinsbursky@parallels.com> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
* nfsd: make id-to-name cache allocated per network namespace contextStanislav Kinsbursky2012-04-121-0/+3
| | | | | Signed-off-by: Stanislav Kinsbursky <skinsbursky@parallels.com> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
* nfsd: make expkey cache allocated per network namespace contextStanislav Kinsbursky2012-04-121-0/+1
| | | | | | | | | This patch also changes svcauth_unix_purge() function: added network namespace as a parameter and thus loop over all networks was replaced by only one call for ip map cache purge. Signed-off-by: Stanislav Kinsbursky <skinsbursky@parallels.com> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
* nfsd: make export cache allocated per network namespace contextStanislav Kinsbursky2012-04-121-0/+2
| | | | | | | | This patch also changes prototypes of nfsd_export_flush() and exp_rootfh(): network namespace parameter added. Signed-off-by: Stanislav Kinsbursky <skinsbursky@parallels.com> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
* nfsd: only register cld pipe notifier when CONFIG_NFSD_V4 is enabledJeff Layton2012-03-291-1/+0Star
| | | | | | | | | | | | | | | Otherwise, we get a warning or error similar to this when building with CONFIG_NFSD_V4 disabled: ERROR: "nfsd4_cld_block" [fs/nfsd/nfsd.ko] undefined! Fix this by wrapping the calls to rpc_pipefs_notifier_register and ..._unregister in another function and providing no-op replacements when CONFIG_NFSD_V4 is disabled. Reported-by: Paul Gortmaker <paul.gortmaker@windriver.com> Signed-off-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
* nfsd: add notifier to handle mount/unmount of rpc_pipefs sbJeff Layton2012-03-261-0/+1
| | | | | | | | | In the event that rpc_pipefs isn't mounted when nfsd starts, we must register a notifier to handle creating the dentry once it is mounted, and to remove the dentry on unmount. Signed-off-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
* nfsd: add a per-net-namespace struct for nfsdJeff Layton2012-03-261-0/+34
Eventually, we'll need this when nfsd gets containerized fully. For now, create a struct on a per-net-namespace basis that will just hold a pointer to the cld_net structure. That struct will hold all of the per-net data that we need for the cld tracker. Eventually we can add other pernet objects to struct nfsd_net. Signed-off-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
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