- 21 10月, 2006 7 次提交
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由 Al Viro 提交于
Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk> Acked-by: NTrond Myklebust <trond.myklebust@fys.uio.no> Acked-by: NNeil Brown <neilb@suse.de> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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由 Al Viro 提交于
don't use the same variable to store NFS and host error values Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk> Acked-by: NTrond Myklebust <trond.myklebust@fys.uio.no> Acked-by: NNeil Brown <neilb@suse.de> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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由 Al Viro 提交于
Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk> Acked-by: NTrond Myklebust <trond.myklebust@fys.uio.no> Acked-by: NNeil Brown <neilb@suse.de> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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由 Al Viro 提交于
Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk> Acked-by: NTrond Myklebust <trond.myklebust@fys.uio.no> Acked-by: NNeil Brown <neilb@suse.de> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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由 Al Viro 提交于
Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk> Acked-by: NTrond Myklebust <trond.myklebust@fys.uio.no> Acked-by: NNeil Brown <neilb@suse.de> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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由 Al Viro 提交于
Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk> Acked-by: NTrond Myklebust <trond.myklebust@fys.uio.no> Acked-by: NNeil Brown <neilb@suse.de> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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由 Al Viro 提交于
Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk> Acked-by: NTrond Myklebust <trond.myklebust@fys.uio.no> Acked-by: NNeil Brown <neilb@suse.de> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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- 04 10月, 2006 9 次提交
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由 Cedric Le Goater 提交于
make headers_check fails on linux/nfsd/const.h. Since linux/sunrpc/msg_prot.h does not seem to export anything interesting for userspace, this patch moves it in the __KERNEL__ protected section. Signed-off-by: NCedric Le Goater <clg@fr.ibm.com> Cc: David Woodhouse <dwmw2@infradead.org> Cc: Neil Brown <neilb@suse.de> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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由 J.Bruce Fields 提交于
Use all the pieces set up so far to implement referral support, allowing return of NFS4ERR_MOVED and fs_locations attribute. Signed-off-by: NManoj Naik <manoj@almaden.ibm.com> Signed-off-by: NFred Isaman <iisaman@citi.umich.edu> Signed-off-by: NJ. Bruce Fields <bfields@citi.umich.edu> Signed-off-by: NNeil Brown <neilb@suse.de> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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由 J.Bruce Fields 提交于
Encode fs_locations attribute. Signed-off-by: NManoj Naik <manoj@almaden.ibm.com> Signed-off-by: NFred Isaman <iisaman@citi.umich.edu> Signed-off-by: NJ. Bruce Fields <bfields@citi.umich.edu> Signed-off-by: NNeil Brown <neilb@suse.de> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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由 Manoj Naik 提交于
Define FS locations structures, some functions to manipulate them, and add code to parse FS locations in downcall and add to the exports structure. [bfields@fieldses.org: bunch of fixes and cleanups] Signed-off-by: NManoj Naik <manoj@almaden.ibm.com> Signed-off-by: NFred Isaman <iisaman@citi.umich.edu> Signed-off-by: NJ. Bruce Fields <bfields@citi.umich.edu> Signed-off-by: NNeil Brown <neilb@suse.de> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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由 J.Bruce Fields 提交于
Store the export path in the svc_export structure instead of storing only the dentry. This will prevent the need for additional d_path calls to provide NFSv4 fs_locations support. Signed-off-by: NJ. Bruce Fields <bfields@citi.umich.edu> Signed-off-by: NNeil Brown <neilb@suse.de> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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由 NeilBrown 提交于
The max possible is the maximum RPC payload. The default depends on amount of total memory. The value can be set within reason as long as no nfsd threads are currently running. The value can also be ready, allowing the default to be determined after nfsd has started. Signed-off-by: NNeil Brown <neilb@suse.de> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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由 Greg Banks 提交于
The limit over UDP remains at 32K. Also, make some of the apparently arbitrary sizing constants clearer. The biggest change here involves replacing NFSSVC_MAXBLKSIZE by a function of the rqstp. This allows it to be different for different protocols (udp/tcp) and also allows it to depend on the servers declared sv_bufsiz. Note that we don't actually increase sv_bufsz for nfs yet. That comes next. Signed-off-by: NGreg Banks <gnb@melbourne.sgi.com> Signed-off-by: NNeil Brown <neilb@suse.de> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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由 NeilBrown 提交于
.. by allocating the array of 'kvec' in 'struct svc_rqst'. As we plan to increase RPCSVC_MAXPAGES from 8 upto 256, we can no longer allocate an array of this size on the stack. So we allocate it in 'struct svc_rqst'. However svc_rqst contains (indirectly) an array of the same type and size (actually several, but they are in a union). So rather than waste space, we move those arrays out of the separately allocated union and into svc_rqst to share with the kvec moved out of svc_tcp_recvfrom (various arrays are used at different times, so there is no conflict). Signed-off-by: NNeil Brown <neilb@suse.de> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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由 Uwe Zeisberger 提交于
Many files include the filename at the beginning, serveral used a wrong one. Signed-off-by: NUwe Zeisberger <Uwe_Zeisberger@digi.com> Signed-off-by: NAdrian Bunk <bunk@stusta.de>
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- 02 10月, 2006 3 次提交
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由 Peter Zijlstra 提交于
while doing a kernel make modules_install install over an NFS mount. ============================================= [ INFO: possible recursive locking detected ] --------------------------------------------- nfsd/9550 is trying to acquire lock: (&inode->i_mutex){--..}, at: [<c034c845>] mutex_lock+0x1c/0x1f but task is already holding lock: (&inode->i_mutex){--..}, at: [<c034c845>] mutex_lock+0x1c/0x1f other info that might help us debug this: 2 locks held by nfsd/9550: #0: (hash_sem){..--}, at: [<cc895223>] exp_readlock+0xd/0xf [nfsd] #1: (&inode->i_mutex){--..}, at: [<c034c845>] mutex_lock+0x1c/0x1f stack backtrace: [<c0103508>] show_trace_log_lvl+0x58/0x152 [<c0103b8b>] show_trace+0xd/0x10 [<c0103c2f>] dump_stack+0x19/0x1b [<c012aa57>] __lock_acquire+0x77a/0x9a3 [<c012af4a>] lock_acquire+0x60/0x80 [<c034c6c2>] __mutex_lock_slowpath+0xa7/0x20e [<c034c845>] mutex_lock+0x1c/0x1f [<c0162edc>] vfs_unlink+0x34/0x8a [<cc891d98>] nfsd_unlink+0x18f/0x1e2 [nfsd] [<cc89884f>] nfsd3_proc_remove+0x95/0xa2 [nfsd] [<cc88f0d4>] nfsd_dispatch+0xc0/0x178 [nfsd] [<c033e84d>] svc_process+0x3a5/0x5ed [<cc88f5ba>] nfsd+0x1a7/0x305 [nfsd] [<c0101005>] kernel_thread_helper+0x5/0xb DWARF2 unwinder stuck at kernel_thread_helper+0x5/0xb Leftover inexact backtrace: [<c0103b8b>] show_trace+0xd/0x10 [<c0103c2f>] dump_stack+0x19/0x1b [<c012aa57>] __lock_acquire+0x77a/0x9a3 [<c012af4a>] lock_acquire+0x60/0x80 [<c034c6c2>] __mutex_lock_slowpath+0xa7/0x20e [<c034c845>] mutex_lock+0x1c/0x1f [<c0162edc>] vfs_unlink+0x34/0x8a [<cc891d98>] nfsd_unlink+0x18f/0x1e2 [nfsd] [<cc89884f>] nfsd3_proc_remove+0x95/0xa2 [nfsd] [<cc88f0d4>] nfsd_dispatch+0xc0/0x178 [nfsd] [<c033e84d>] svc_process+0x3a5/0x5ed [<cc88f5ba>] nfsd+0x1a7/0x305 [nfsd] [<c0101005>] kernel_thread_helper+0x5/0xb ============================================= [ INFO: possible recursive locking detected ] --------------------------------------------- nfsd/9580 is trying to acquire lock: (&inode->i_mutex){--..}, at: [<c034cc1d>] mutex_lock+0x1c/0x1f but task is already holding lock: (&inode->i_mutex){--..}, at: [<c034cc1d>] mutex_lock+0x1c/0x1f other info that might help us debug this: 2 locks held by nfsd/9580: #0: (hash_sem){..--}, at: [<cc89522b>] exp_readlock+0xd/0xf [nfsd] #1: (&inode->i_mutex){--..}, at: [<c034cc1d>] mutex_lock+0x1c/0x1f stack backtrace: [<c0103508>] show_trace_log_lvl+0x58/0x152 [<c0103b8b>] show_trace+0xd/0x10 [<c0103c2f>] dump_stack+0x19/0x1b [<c012aa63>] __lock_acquire+0x77a/0x9a3 [<c012af56>] lock_acquire+0x60/0x80 [<c034ca9a>] __mutex_lock_slowpath+0xa7/0x20e [<c034cc1d>] mutex_lock+0x1c/0x1f [<cc892ad1>] nfsd_setattr+0x2c8/0x499 [nfsd] [<cc893ede>] nfsd_create_v3+0x31b/0x4ac [nfsd] [<cc8984a1>] nfsd3_proc_create+0x128/0x138 [nfsd] [<cc88f0d4>] nfsd_dispatch+0xc0/0x178 [nfsd] [<c033ec1d>] svc_process+0x3a5/0x5ed [<cc88f5ba>] nfsd+0x1a7/0x305 [nfsd] [<c0101005>] kernel_thread_helper+0x5/0xb DWARF2 unwinder stuck at kernel_thread_helper+0x5/0xb Leftover inexact backtrace: [<c0103b8b>] show_trace+0xd/0x10 [<c0103c2f>] dump_stack+0x19/0x1b [<c012aa63>] __lock_acquire+0x77a/0x9a3 [<c012af56>] lock_acquire+0x60/0x80 [<c034ca9a>] __mutex_lock_slowpath+0xa7/0x20e [<c034cc1d>] mutex_lock+0x1c/0x1f [<cc892ad1>] nfsd_setattr+0x2c8/0x499 [nfsd] [<cc893ede>] nfsd_create_v3+0x31b/0x4ac [nfsd] [<cc8984a1>] nfsd3_proc_create+0x128/0x138 [nfsd] [<cc88f0d4>] nfsd_dispatch+0xc0/0x178 [nfsd] [<c033ec1d>] svc_process+0x3a5/0x5ed [<cc88f5ba>] nfsd+0x1a7/0x305 [nfsd] [<c0101005>] kernel_thread_helper+0x5/0xb Signed-off-by: NPeter Zijlstra <a.p.zijlstra@chello.nl> Cc: Neil Brown <neilb@suse.de> Cc: Ingo Molnar <mingo@elte.hu> Cc: Arjan van de Ven <arjan@infradead.org> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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由 NeilBrown 提交于
Userspace should create and bind a socket (but not connectted) and write the 'fd' to portlist. This will cause the nfs server to listen on that socket. To close a socket, the name of the socket - as read from 'portlist' can be written to 'portlist' with a preceding '-'. Signed-off-by: NNeil Brown <neilb@suse.de> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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由 NeilBrown 提交于
We have an array 'nfsd_version' which lists the available versions of nfsd, and 'nfsd_versions' (poor choice there :-() which lists the currently active versions. Then we have a bitmap - nfsd_versbits which says which versions are wanted. The bits in this bitset cause content to be copied from nfsd_version to nfsd_versions when nfsd starts. This patch removes nfsd_versbits and moves information directly from nfsd_version to nfsd_versions when requests for version changes arrive. Note that this doesn't make it possible to change versions while the server is running. This is because serv->sv_xdrsize is calculated when a service is created, and used when threads are created, and xdrsize depends on the active versions. Signed-off-by: NNeil Brown <neilb@suse.de> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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- 27 9月, 2006 1 次提交
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由 Theodore Ts'o 提交于
This eliminates the i_blksize field from struct inode. Filesystems that want to provide a per-inode st_blksize can do so by providing their own getattr routine instead of using the generic_fillattr() function. Note that some filesystems were providing pretty much random (and incorrect) values for i_blksize. [bunk@stusta.de: cleanup] [akpm@osdl.org: generic_fillattr() fix] Signed-off-by: N"Theodore Ts'o" <tytso@mit.edu> Signed-off-by: NAdrian Bunk <bunk@stusta.de> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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- 19 9月, 2006 1 次提交
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由 David Woodhouse 提交于
Signed-off-by: NDavid Woodhouse <dwmw2@infradead.org>
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- 11 7月, 2006 1 次提交
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由 Shankar Anand 提交于
Add an nfs4 operations count array to nfsd_stats structure. The count is incremented in nfsd4_proc_compound() where all the operations are handled by the nfsv4 server. This count of individual nfsv4 operations is also entered into /proc filesystem. Signed-off-by: Shankar Anand<shanand@novell.com> Signed-off-by: NNeil Brown <neilb@suse.de> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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- 18 6月, 2006 1 次提交
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由 David Woodhouse 提交于
This adds the Kbuild files listing the files which are to be installed by the 'headers_install' make target, in generic directories. Signed-off-by: NDavid Woodhouse <dwmw2@infradead.org>
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- 26 4月, 2006 1 次提交
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由 David Woodhouse 提交于
Signed-off-by: NDavid Woodhouse <dwmw2@infradead.org>
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- 28 3月, 2006 3 次提交
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由 Adrian Bunk 提交于
We can now make some code static. Signed-off-by: NAdrian Bunk <bunk@stusta.de> Cc: Neil Brown <neilb@suse.de> Cc: Trond Myklebust <trond.myklebust@fys.uio.no> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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由 NeilBrown 提交于
.. it makes some of the code nicer. Signed-off-by: NNeil Brown <neilb@suse.de> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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由 NeilBrown 提交于
Current svc_expkey holds a pointer to the svc_export structure, so updates to that structure have to be in-place, which is a wart on the whole cache infrastruct. So we break that linkage and just do a second lookup. If this became a performance issue, it would be possible to put a direct link back in which was only used conditionally. i.e. when an object is replaced in the cache, we set a flag in the old object. When dereferencing the link from svc_expkey, if the flag is set, we drop the reference and do a fresh lookup. Signed-off-by: NNeil Brown <neilb@suse.de> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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- 19 1月, 2006 2 次提交
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由 J. Bruce Fields 提交于
One of the things that's confusing about nfsd4_lock is that the lk_stateowner field could be set to either of two different lockowners: the open owner or the lock owner. Rename to lk_replay_owner and add a comment to make it clear that it's used for whichever stateowner has its sequence id bumped for replay detection. Signed-off-by: NJ. Bruce Fields <bfields@citi.umich.edu> Signed-off-by: NNeil Brown <neilb@suse.de> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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由 YAMAMOTO Takashi 提交于
Change nfsd_sync_dir to return an error if ->sync fails, and pass that error up through the stack. This involves a number of rearrangements of error paths, and care to distinguish between Linux -errno numbers and NFSERR numbers. In the 'create' routines, we continue with the 'setattr' even if a previous sync_dir failed. This patch is quite different from Takashi's in a few ways, but there is still a strong lineage. Signed-off-by: NNeil Brown <neilb@suse.de> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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- 10 1月, 2006 1 次提交
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由 Jes Sorensen 提交于
This patch converts the inode semaphore to a mutex. I have tested it on XFS and compiled as much as one can consider on an ia64. Anyway your luck with it might be different. Modified-by: NIngo Molnar <mingo@elte.hu> (finished the conversion) Signed-off-by: NJes Sorensen <jes@sgi.com> Signed-off-by: NIngo Molnar <mingo@elte.hu>
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- 07 1月, 2006 1 次提交
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由 David Shaw 提交于
Both vfs_getattr and i_op->fsync return error statuses which nfsd was largely ignoring. This as noticed when exporting directories using fuse. This patch cleans up most of the offences, which involves moving the call to vfs_getattr out of the xdr encoding routines (where it is too late to report an error) into the main NFS procedure handling routines. There is still a called to vfs_gettattr (related to the ACL code) where the status is ignored, and called to nfsd_sync_dir don't check return status either. Signed-off-by: NNeil Brown <neilb@suse.de> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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- 07 11月, 2005 2 次提交
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由 NeilBrown 提交于
There are a couple of tests which could possibly be confused by extremely large numbers appearing in 'xdr' packets. I think the closest to an exploit you could get would be writing random data from a free page into a file - i.e. leak data out of kernel space. I'm fairly sure they cannot be used for remote compromise. Signed-off-by: NNeil Brown <neilb@suse.de> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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由 NeilBrown 提交于
Provide a file in the NFSD filesystem that allows setting and querying of which version of NFS are being exported. Changes are only allowed while no server is running. Signed-off-by: NSteve Dickson <steved@redhat.com> Signed-off-by: NNeil Brown <neilb@suse.de> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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- 13 9月, 2005 1 次提交
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由 Neil Brown 提交于
It seems more natural to move the setting of the replay_owner into the relevant procedure instead of doing it in nfsv4_proc_compound. Signed-off-by: NJ. Bruce Fields <bfields@citi.umich.edu> Signed-off-by: NNeil Brown <neilb@suse.de> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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- 08 7月, 2005 4 次提交
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由 NeilBrown 提交于
We shouldn't be allowing, e.g., write locks on files not open for read. To enforce this, we add a pointer from the lock stateid back to the open stateid it came from, so that the check will continue to be correct even after the open is upgraded or downgraded. Signed-off-by: NAndy Adamson <andros@citi.umich.edu> Signed-off-by: NJ. Bruce Fields <bfields@citi.umich.edu> Signed-off-by: NNeil Brown <neilb@cse.unsw.edu.au> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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由 NeilBrown 提交于
from RFC 3530: "Share reservations are established by OPEN operations and by their nature are mandatory in that when the OPEN denies READ or WRITE operations, that denial results in such operations being rejected with error NFS4ERR_LOCKED." (Note that share_denied is really only a legal error for OPEN.) Signed-off-by: NAndy Adamson <andros@citi.umich.edu> Signed-off-by: NJ. Bruce Fields <bfields@citi.umich.edu> Signed-off-by: NNeil Brown <neilb@cse.unsw.edu.au> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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由 NeilBrown 提交于
Add some comments on the use of so_seqid, in an attempt to avoid some of the confusion outlined in the previous patch.... Signed-off-by: NJ. Bruce Fields <bfields@citi.umich.edu> Signed-off-by: NNeil Brown <neilb@cse.unsw.edu.au> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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由 NeilBrown 提交于
We need to fsync the recovery directory after writing to it, but we weren't doing this correctly. (For example, we weren't taking the i_sem when calling ->fsync().) Just reuse the existing nfsd fsync code instead. Signed-off-by: NJ. Bruce Fields <bfields@citi.umich.edu> Signed-off-by: NNeil Brown <neilb@cse.unsw.edu.au> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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- 24 6月, 2005 2 次提交
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由 NeilBrown 提交于
Set the recovery directory via /proc/fs/nfsd/nfs4recoverydir. It may be changed any time, but is used only on startup. Signed-off-by: NAndy Adamson <andros@citi.umich.edu> Signed-off-by: NJ. Bruce Fields <bfields@citi.umich.edu> Signed-off-by: NNeil Brown <neilb@cse.unsw.edu.au> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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由 NeilBrown 提交于
This patch adds the code to create and remove client subdirectories from the recovery directory, as described in the previous patch comment. Signed-off-by: NAndy Adamson <andros@citi.umich.edu> Signed-off-by: NJ. Bruce Fields <bfields@citi.umich.edu> Signed-off-by: NNeil Brown <neilb@cse.unsw.edu.au> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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