- 21 10月, 2010 3 次提交
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由 J. Bruce Fields 提交于
Instead of copying the sessionid, use the new cl_cb_session pointer, which indicates which session we're using for the backchannel. Signed-off-by: NJ. Bruce Fields <bfields@citi.umich.edu>
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由 J. Bruce Fields 提交于
The backchannel should be associated with a session, it isn't really global to the client. We do, however, want a pointer global to the client which tracks which session we're currently using for client-based callbacks. This is a first step in that direction; for now, just reshuffling of code with no significant change in behavior. Signed-off-by: NJ. Bruce Fields <bfields@citi.umich.edu>
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由 J. Bruce Fields 提交于
Signed-off-by: NJ. Bruce Fields <bfields@redhat.com>
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- 12 10月, 2010 1 次提交
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由 J. Bruce Fields 提交于
Expire clients more promptly, at the expense of possibly running the laundromat thread more frequently. Though it's not the default, I'd like it to be feasible to run with a lease time of just a few seconds, at which point a minimum 10 second wait between laundromat runs seems a little much. Signed-off-by: NJ. Bruce Fields <bfields@redhat.com>
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- 03 10月, 2010 1 次提交
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由 J. Bruce Fields 提交于
Commit 78155ed7 "nfsd4: distinguish expired from stale stateids" attempted to distinguish expired and stale stateid's using time information that may not have been completely reliable, so I reverted it. That was throwing out the baby with the bathwater; we still do want to return expired, but let's do that using the simpler approach of just assuming any stateid is expired if it looks like it was given out by the current server instance, but we can't find it any more. This may help clients that are recovering from network partitions. Reported-by: NBian Naimeng <biannm@cn.fujitsu.com> Signed-off-by: NJ. Bruce Fields <bfields@redhat.com>
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- 02 10月, 2010 17 次提交
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由 J. Bruce Fields 提交于
As long as we're not implementing any session security, we should just automatically add any new connections that come along to the list of sessions associated with the session. Signed-off-by: NJ. Bruce Fields <bfields@redhat.com>
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由 J. Bruce Fields 提交于
Signed-off-by: NJ. Bruce Fields <bfields@redhat.com>
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由 J. Bruce Fields 提交于
Remove connections from the list when they go down. Signed-off-by: NJ. Bruce Fields <bfields@citi.umich.edu>
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由 J. Bruce Fields 提交于
The spec requires us in various places to keep track of the connections associated with each session. Signed-off-by: NJ. Bruce Fields <bfields@citi.umich.edu>
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由 J. Bruce Fields 提交于
Changes: - make sure session memory reservation is released on failure path. - use min_t()/min() for more compact code in several places. - break alloc_init_session into smaller pieces. - miscellaneous other cleanup. Signed-off-by: NJ. Bruce Fields <bfields@citi.umich.edu>
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由 J. Bruce Fields 提交于
This returns an nfs error, not -ERRNO. Signed-off-by: NJ. Bruce Fields <bfields@redhat.com>
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由 J. Bruce Fields 提交于
Note we're allocating an array of nfsd4_slot *'s, not nfsd4_slot's. Signed-off-by: NJ. Bruce Fields <bfields@redhat.com>
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由 J. Bruce Fields 提交于
Instead of creating the new rpc client from a regular server thread, set a flag, kick off a null call, and allow the null call to do the work of setting up the client on the callback workqueue. Use a spinlock to ensure the callback work gets a consistent view of the callback parameters. This allows, for example, changing the callback from contexts where sleeping is not allowed. I hope it will also keep the locking simple as we add more session and trunking features, by serializing most of the callback-specific work. This also closes a small race where the the new cb_ident could be used with an old connection (or vice-versa). Signed-off-by: NJ. Bruce Fields <bfields@citi.umich.edu>
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由 J. Bruce Fields 提交于
I don't see the point of the separate struct. It seems to just be getting in the way. Signed-off-by: NJ. Bruce Fields <bfields@citi.umich.edu>
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由 J. Bruce Fields 提交于
This will eventually allow us, for example, to kick off null callback from contexts where we can't sleep. Signed-off-by: NJ. Bruce Fields <bfields@citi.umich.edu>
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由 J. Bruce Fields 提交于
Make the recall callback code more generic, so that other callbacks will be able to use it too. Signed-off-by: NJ. Bruce Fields <bfields@citi.umich.edu>
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由 J. Bruce Fields 提交于
With apologies for the gratuitous rename, the new name seems more helpful to me. Signed-off-by: NJ. Bruce Fields <bfields@citi.umich.edu>
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由 J. Bruce Fields 提交于
These two structs don't really need to be distinct as far as I can tell. Signed-off-by: NJ. Bruce Fields <bfields@citi.umich.edu>
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由 J. Bruce Fields 提交于
Now that we have both nfsd4_callback and nfsd4_cb_conn structures, I get confused if variables of both types are always named cb.... Signed-off-by: NJ. Bruce Fields <bfields@citi.umich.edu>
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由 Pavel Emelyanov 提交于
Signed-off-by: NPavel Emelyanov <xemul@openvz.org> Signed-off-by: NJ. Bruce Fields <bfields@redhat.com>
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由 Pavel Emelyanov 提交于
Signed-off-by: NPavel Emelyanov <xemul@openvz.org> Signed-off-by: NJ. Bruce Fields <bfields@redhat.com>
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由 Benny Halevy 提交于
The existing code adjusted it based on the worst case scenario for the returned bitmap and the best case scenario for the supported attrs attribute. Signed-off-by: NBenny Halevy <bhalevy@panasas.com> [bfields@redhat.com: removed likely/unlikely's] Signed-off-by: NJ. Bruce Fields <bfields@redhat.com>
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- 27 9月, 2010 2 次提交
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由 Pavel Emelyanov 提交于
There are two calls that operate on ip_map_cache and are directly called from the nfsd code. Other places will be handled in a different way. Signed-off-by: NPavel Emelyanov <xemul@openvz.org> Signed-off-by: NJ. Bruce Fields <bfields@redhat.com>
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由 J. Bruce Fields 提交于
Note with "first" always 0, and "lastflags" initially 0, we always dump a spurious set of 0 flags at the start, among other problems. Fix. And attempt to make the code a little more obvious. Signed-off-by: NJ. Bruce Fields <bfields@redhat.com>
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- 23 9月, 2010 3 次提交
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由 Pavel Emelyanov 提交于
The git://linux-nfs.org/~bfields/linux.git nfsd-next branch doesn't compile when nfsd is a module with the following error: ERROR: "get_task_comm" [fs/nfsd/nfsd.ko] undefined! Replace the get_task_comm call with direct comm access, which is safe for current. Signed-off-by: NPavel Emelyanov <xemul@openvz.org> Signed-off-by: NJ. Bruce Fields <bfields@redhat.com>
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由 NeilBrown 提交于
Add CONFIG_NFSD_DEPRECATED, default to y. Only include deprecated interface if this is defined. This allows distros to remove this interface before the official removal, and allows developers to test without it. Signed-off-by: NNeilBrown <neilb@suse.de> Signed-off-by: NJ. Bruce Fields <bfields@redhat.com>
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由 NeilBrown 提交于
The syscall interface is has been replaced by a more flexible interface since 2.6.0. It is time to work towards discarding the old interface. So add a entry in feature-removal-schedule.txt and print a warning when the interface is used. Signed-off-by: NNeilBrown <neilb@suse.de> Signed-off-by: NJ. Bruce Fields <bfields@redhat.com>
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- 22 9月, 2010 2 次提交
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由 NeilBrown 提交于
The idmap code manages request deferal by waiting for a reply from userspace rather than putting the NFS request on a queue to be retried from the start. Now that the common deferal code does this there is no need for the special code in idmap. Signed-off-by: NNeilBrown <neilb@suse.de> Signed-off-by: NJ. Bruce Fields <bfields@redhat.com>
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由 NeilBrown 提交于
Now that a slight delay in getting a reply to an upcall doesn't require deferring of requests, request deferral for all NFSv4 requests - the concept doesn't really fit with the v4 model. Signed-off-by: NNeilBrown <neilb@suse.de> Signed-off-by: NJ. Bruce Fields <bfields@redhat.com>
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- 13 9月, 2010 1 次提交
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由 Trond Myklebust 提交于
The NFSv4 client's callback server calls svc_gss_principal(), which is defined in the auth_rpcgss.ko The NFSv4 server has the same dependency, and in addition calls svcauth_gss_flavor(), gss_mech_get_by_pseudoflavor(), gss_pseudoflavor_to_service() and gss_mech_put() from the same module. The module auth_rpcgss itself has no dependencies aside from sunrpc, so we only need to select RPCSEC_GSS. Reported-by: NUwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: NTrond Myklebust <Trond.Myklebust@netapp.com>
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- 08 9月, 2010 3 次提交
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由 NeilBrown 提交于
This protects us from confusion when the wallclock time changes. We convert to and from wallclock when setting or reading expiry times. Also use seconds since boot for last_clost time. Signed-off-by: NNeilBrown <neilb@suse.de> Signed-off-by: NJ. Bruce Fields <bfields@redhat.com>
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由 NeilBrown 提交于
Rather can duplicating this idiom twice, put it in an inline function. This reduces the usage of 'expiry_time' out side the sunrpc/cache.c code and thus the impact of a change that is about to be made to that field. Signed-off-by: NNeilBrown <neilb@suse.de> Signed-off-by: NJ. Bruce Fields <bfields@redhat.com>
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由 Andy Adamson 提交于
Use NFS4_STATEID_SIZE from include/linux/nfs4 Signed-off-by: NAndy Adamson <andros@netapp.com> Signed-off-by: NJ. Bruce Fields <bfields@redhat.com>
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- 03 9月, 2010 1 次提交
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由 J. Bruce Fields 提交于
This fixes an unnecessary BUG(). Signed-off-by: NJ. Bruce Fields <bfields@redhat.com>
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- 27 8月, 2010 4 次提交
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由 Takashi Iwai 提交于
The commit ebabe9a9 pass a struct path to vfs_statfs introduced the struct path initialization, and this seems to trigger an Oops on my machine. fh_dentry field may be NULL and set later in fh_verify(), thus the initialization of path must be after fh_verify(). Signed-off-by: NTakashi Iwai <tiwai@suse.de> Reviewed-by: NChristoph Hellwig <hch@lst.de> Reviewed-by: NMinchan Kim <minchan.kim@gmail.com> Signed-off-by: NJ. Bruce Fields <bfields@redhat.com>
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由 J. Bruce Fields 提交于
If we already had a RW open for a file, and get a readonly open, we were piggybacking on the existing RW open. That's inconsistent with the downgrade logic which blows away the RW open assuming you'll still have a readonly open. Also, make sure there is a readonly or writeonly open available for locking, again to prevent bad behavior in downgrade cases when any RW open may be lost. Signed-off-by: NJ. Bruce Fields <bfields@redhat.com>
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由 J. Bruce Fields 提交于
Signed-off-by: NJ. Bruce Fields <bfields@redhat.com>
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由 J. Bruce Fields 提交于
It's OK for this function to return without setting filp--we do it in the special-stateid case. And there's a legitimate case where we can hit this, since we do permit reads on write-only stateid's. Signed-off-by: NJ. Bruce Fields <bfields@redhat.com>
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- 18 8月, 2010 1 次提交
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由 Trond Myklebust 提交于
Randy Dunlap reports: ERROR: "svc_gss_principal" [fs/nfs/nfs.ko] undefined! because in fs/nfs/Kconfig, NFS_V4 selects RPCSEC_GSS_KRB5 and/or in fs/nfsd/Kconfig, NFSD_V4 selects RPCSEC_GSS_KRB5. RPCSEC_GSS_KRB5 does 5 selects, but none of these is enforced/followed by the fs/nfs[d]/Kconfig configs: select SUNRPC_GSS select CRYPTO select CRYPTO_MD5 select CRYPTO_DES select CRYPTO_CBC Reported-by: NRandy Dunlap <randy.dunlap@oracle.com> Cc: J. Bruce Fields <bfields@fieldses.org> Acked-by: NRandy Dunlap <randy.dunlap@oracle.com> Signed-off-by: NTrond Myklebust <Trond.Myklebust@netapp.com>
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- 10 8月, 2010 1 次提交
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由 Christoph Hellwig 提交于
We'll need the path to implement the flags field for statvfs support. We do have it available in all callers except: - ecryptfs_statfs. This one doesn't actually need vfs_statfs but just needs to do a caller to the lower filesystem statfs method. - sys_ustat. Add a non-exported statfs_by_dentry helper for it which doesn't won't be able to fill out the flags field later on. In addition rename the helpers for statfs vs fstatfs to do_*statfs instead of the misleading vfs prefix. Signed-off-by: NChristoph Hellwig <hch@lst.de> Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk>
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