- 23 7月, 2015 3 次提交
-
-
由 Trond Myklebust 提交于
Otherwise, nfs4_select_rw_stateid() will always return the zero stateid instead of the correct open stateid. Fixes: f95549cf ("NFSv4: More CLOSE/OPEN races") Cc: stable@vger.kernel.org # 4.0+ Signed-off-by: NTrond Myklebust <trond.myklebust@primarydata.com>
-
由 Trond Myklebust 提交于
Calling xprt_complete_bc_request() effectively causes the slot to be allocated, so it needs to decrement the backchannel free slot count as well. Fixes: 0d2a970d ("SUNRPC: Fix a backchannel race") Signed-off-by: NTrond Myklebust <trond.myklebust@primarydata.com>
-
由 Trond Myklebust 提交于
xprt_alloc_bc_request() cannot call xprt_free_bc_request() without deadlocking, since it already holds the xprt->bc_pa_lock. Reported-by: NChuck Lever <chuck.lever@oracle.com> Fixes: 0d2a970d ("SUNRPC: Fix a backchannel race") Signed-off-by: NTrond Myklebust <trond.myklebust@primarydata.com>
-
- 11 7月, 2015 5 次提交
-
-
由 Trond Myklebust 提交于
It is OK for layout segments to remain hashed even if no-one holds any references to them, provided that the segments are still valid. Signed-off-by: NTrond Myklebust <trond.myklebust@primarydata.com>
-
由 Trond Myklebust 提交于
If a process reopens the file before we can send off the CLOSE/DELEGRETURN, then pnfs_roc_drain() may end up waiting for a new set of layout segments that are marked as return-on-close, but haven't yet been returned. Fix this by only waiting for those layout segments that were invalidated in pnfs_roc(). Signed-off-by: NTrond Myklebust <trond.myklebust@primarydata.com>
-
由 Trond Myklebust 提交于
If one or more of the layout segments reports an error during I/O, then we may have to send a layoutreturn to report the error back to the NFS metadata server. This patch ensures that the return-on-close code can detect the outstanding layoutreturn, and not preempt it. Signed-off-by: NTrond Myklebust <trond.myklebust@primarydata.com>
-
由 Trond Myklebust 提交于
Also clean up the case where we don't find a return-on-close layout segment. Signed-off-by: NTrond Myklebust <trond.myklebust@primarydata.com>
-
由 Trond Myklebust 提交于
Signed-off-by: NTrond Myklebust <trond.myklebust@primarydata.com>
-
- 09 7月, 2015 1 次提交
-
-
由 Trond Myklebust 提交于
Signed-off-by: NTrond Myklebust <trond.myklebust@primarydata.com>
-
- 06 7月, 2015 5 次提交
-
-
由 Trond Myklebust 提交于
Ensure that the calls to renew_lease() in open_done() etc. only apply to session-less versions of NFSv4.x (i.e. NFSv4.0). Signed-off-by: NTrond Myklebust <trond.myklebust@primarydata.com>
-
由 Trond Myklebust 提交于
Instead of just kicking off lease recovery, we should look into the sequence flag errors and handle them. Signed-off-by: NTrond Myklebust <trond.myklebust@primarydata.com>
-
由 Trond Myklebust 提交于
RFC5661 states: The server has encountered an unrecoverable fault with the backchannel (e.g., it has lost track of the sequence ID for a slot in the backchannel). The client MUST stop sending more requests on the session's fore channel, wait for all outstanding requests to complete on the fore and back channel, and then destroy the session. Ensure we do so... Signed-off-by: NTrond Myklebust <trond.myklebust@primarydata.com>
-
由 Trond Myklebust 提交于
Try to handle this for now by invalidating all outstanding layouts for this server and then testing all the open+lock+delegation stateids. At some later stage, we may want to optimise by separating out the testing of delegation stateids only, and adding testing of layout stateids. Signed-off-by: NTrond Myklebust <trond.myklebust@primarydata.com>
-
由 Trond Myklebust 提交于
If the server tells us that only some state has been revoked, then we need to run the full TEST_STATEID dog and pony show in order to discover which locks and delegations are still OK. Currently we blow away all state, which means that we lose all locks! Signed-off-by: NTrond Myklebust <trond.myklebust@primarydata.com>
-
- 03 7月, 2015 2 次提交
-
-
由 Trond Myklebust 提交于
ENOBUFS means that memory allocations are failing due to an actual low memory situation. It should not be confused with being out of socket buffer space. Handle the problem by just punting to the delay in call_status. Reported-by: NNeil Brown <neilb@suse.com> Signed-off-by: NTrond Myklebust <trond.myklebust@primarydata.com>
-
由 Trond Myklebust 提交于
If we're running out of buffer memory when transmitting data, then we want to just delay for a moment, and then continue transmitting the remainder of the message. Signed-off-by: NTrond Myklebust <trond.myklebust@primarydata.com>
-
- 01 7月, 2015 9 次提交
-
-
由 Kinglong Mee 提交于
Before rpc_run_task(), tk_pid is uninitiated as 0 always. Signed-off-by: NKinglong Mee <kinglongmee@gmail.com> Signed-off-by: NTrond Myklebust <trond.myklebust@primarydata.com>
-
由 Kinglong Mee 提交于
NFS_ATTR_FATTR_V4_REFERRAL is only set in nfs4_proc_lookup_common. Signed-off-by: NKinglong Mee <kinglongmee@gmail.com> Signed-off-by: NTrond Myklebust <trond.myklebust@primarydata.com>
-
由 Kinglong Mee 提交于
Commit 7b1f1fd1 "NFSv4/4.1: Fix bugs in nfs4[01]_walk_client_list" have change the logical of the list_for_each_entry(). Signed-off-by: NKinglong Mee <kinglongmee@gmail.com> Signed-off-by: NTrond Myklebust <trond.myklebust@primarydata.com>
-
由 Kinglong Mee 提交于
Have checking CONFIG_PROC_FS in include/linux/sunrpc/stats.h. Signed-off-by: NKinglong Mee <kinglongmee@gmail.com> Signed-off-by: NTrond Myklebust <trond.myklebust@primarydata.com>
-
由 Kinglong Mee 提交于
Commit 5bc2afc2 "NFSv4: Honour the 'opened' parameter in the atomic_open() filesystem method" have support the opened arguments now. Also, Commit 03da633a "atomic_open: take care of EEXIST in no-open case with O_CREAT|O_EXCL in fs/namei.c" have change vfs's logical. Signed-off-by: NKinglong Mee <kinglongmee@gmail.com> Signed-off-by: NTrond Myklebust <trond.myklebust@primarydata.com>
-
由 Kinglong Mee 提交于
Thanks for Al Viro's comments of killing proc_fs_nfs completely. Signed-off-by: NKinglong Mee <kinglongmee@gmail.com> Signed-off-by: NTrond Myklebust <trond.myklebust@primarydata.com>
-
由 Kinglong Mee 提交于
Commit e38eb650 "NFS: set_pnfs_layoutdriver() from nfs4_proc_fsinfo()" have remove the using of mntfh from nfs_server_set_fsinfo(). Signed-off-by: NKinglong Mee <kinglongmee@gmail.com> Signed-off-by: NTrond Myklebust <trond.myklebust@primarydata.com>
-
由 Kinglong Mee 提交于
Signed-off-by: NKinglong Mee <kinglongmee@gmail.com> Signed-off-by: NTrond Myklebust <trond.myklebust@primarydata.com>
-
由 Jeff Layton 提交于
Jean reported another crash, similar to the one fixed by feaff8e5: BUG: unable to handle kernel NULL pointer dereference at 0000000000000148 IP: [<ffffffff8124ef7f>] locks_get_lock_context+0xf/0xa0 PGD 0 Oops: 0000 [#1] SMP Modules linked in: nfsv3 nfs_layout_flexfiles rpcsec_gss_krb5 nfsv4 dns_resolver nfs fscache vmw_vsock_vmci_transport vsock cfg80211 rfkill coretemp crct10dif_pclmul ppdev vmw_balloon crc32_pclmul crc32c_intel ghash_clmulni_intel pcspkr vmxnet3 parport_pc i2c_piix4 microcode serio_raw parport nfsd floppy vmw_vmci acpi_cpufreq auth_rpcgss shpchp nfs_acl lockd grace sunrpc vmwgfx drm_kms_helper ttm drm mptspi scsi_transport_spi mptscsih ata_generic mptbase i2c_core pata_acpi CPU: 0 PID: 329 Comm: kworker/0:1H Not tainted 4.1.0-rc7+ #2 Hardware name: VMware, Inc. VMware Virtual Platform/440BX Desktop Reference Platform, BIOS 6.00 07/30/2013 Workqueue: rpciod rpc_async_schedule [sunrpc] 30ec000 RIP: 0010:[<ffffffff8124ef7f>] [<ffffffff8124ef7f>] locks_get_lock_context+0xf/0xa0 RSP: 0018:ffff8802330efc08 EFLAGS: 00010296 RAX: ffff8802330efc58 RBX: ffff880097187c80 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 RBP: ffff8802330efc18 R08: ffff88023fc173d8 R09: 3038b7bf00000000 R10: 00002f1a02000000 R11: 3038b7bf00000000 R12: 0000000000000000 R13: 0000000000000000 R14: ffff8802337a2300 R15: 0000000000000020 FS: 0000000000000000(0000) GS:ffff88023fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000148 CR3: 000000003680f000 CR4: 00000000001407f0 Stack: ffff880097187c80 ffff880097187cd8 ffff8802330efc98 ffffffff81250281 ffff8802330efc68 ffffffffa013e7df ffff8802330efc98 0000000000000246 ffff8801f6901c00 ffff880233d2b8d8 ffff8802330efc58 ffff8802330efc58 Call Trace: [<ffffffff81250281>] __posix_lock_file+0x31/0x5e0 [<ffffffffa013e7df>] ? rpc_wake_up_task_queue_locked.part.35+0xcf/0x240 [sunrpc] [<ffffffff8125088b>] posix_lock_file_wait+0x3b/0xd0 [<ffffffffa03890b2>] ? nfs41_wake_and_assign_slot+0x32/0x40 [nfsv4] [<ffffffffa0365808>] ? nfs41_sequence_done+0xd8/0x300 [nfsv4] [<ffffffffa0367525>] do_vfs_lock+0x35/0x40 [nfsv4] [<ffffffffa03690c1>] nfs4_locku_done+0x81/0x120 [nfsv4] [<ffffffffa013e310>] ? rpc_destroy_wait_queue+0x20/0x20 [sunrpc] [<ffffffffa013e310>] ? rpc_destroy_wait_queue+0x20/0x20 [sunrpc] [<ffffffffa013e33c>] rpc_exit_task+0x2c/0x90 [sunrpc] [<ffffffffa0134400>] ? call_refreshresult+0x170/0x170 [sunrpc] [<ffffffffa013ece4>] __rpc_execute+0x84/0x410 [sunrpc] [<ffffffffa013f085>] rpc_async_schedule+0x15/0x20 [sunrpc] [<ffffffff810add67>] process_one_work+0x147/0x400 [<ffffffff810ae42b>] worker_thread+0x11b/0x460 [<ffffffff810ae310>] ? rescuer_thread+0x2f0/0x2f0 [<ffffffff810b35d9>] kthread+0xc9/0xe0 [<ffffffff81010000>] ? perf_trace_xen_mmu_set_pmd+0xa0/0x160 [<ffffffff810b3510>] ? kthread_create_on_node+0x170/0x170 [<ffffffff8173c222>] ret_from_fork+0x42/0x70 [<ffffffff810b3510>] ? kthread_create_on_node+0x170/0x170 Code: a5 81 e8 85 75 e4 ff c6 05 31 ee aa 00 01 eb 98 66 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 55 48 89 e5 41 54 49 89 fc 53 <48> 8b 9f 48 01 00 00 48 85 db 74 08 48 89 d8 5b 41 5c 5d c3 83 RIP [<ffffffff8124ef7f>] locks_get_lock_context+0xf/0xa0 RSP <ffff8802330efc08> CR2: 0000000000000148 ---[ end trace 64484f16250de7ef ]--- The problem is almost exactly the same as the one fixed by feaff8e5. We must take a reference to the struct file when running the LOCKU compound to prevent the final fput from running until the operation is complete. Reported-by: NJean Spector <jean@primarydata.com> Signed-off-by: NJeff Layton <jeff.layton@primarydata.com> Cc: stable@vger.kernel.org Signed-off-by: NTrond Myklebust <trond.myklebust@primarydata.com>
-
- 29 6月, 2015 1 次提交
-
-
由 NeilBrown 提交于
It is possible to have an active open with one mode, and a delegation for the same file with a different mode. In particular, a WR_ONLY open and an RD_ONLY delegation. This happens if a WR_ONLY open is followed by a RD_ONLY open which provides a delegation, but is then close. When returning the delegation, we currently try to claim opens for every open type (n_rdwr, n_rdonly, n_wronly). As there is no harm in claiming an open for a mode that we already have, this is often simplest. However if the delegation only provides a subset of the modes that we currently have open, this will produce an error from the server. So when claiming open modes prior to returning a delegation, skip the open request if the mode is not covered by the delegation - the open_stateid must already cover that mode, so there is nothing to do. Signed-off-by: NNeilBrown <neilb@suse.de> Signed-off-by: NTrond Myklebust <trond.myklebust@primarydata.com>
-
- 27 6月, 2015 7 次提交
-
-
由 Trond Myklebust 提交于
Make it so, by checking the return value for NFS4ERR_MOTSUPP and caching the information as a server capability. Signed-off-by: NTrond Myklebust <trond.myklebust@primarydata.com>
-
由 Trond Myklebust 提交于
According to the spec, the server is only returning the status, which we decode in the op header. Signed-off-by: NTrond Myklebust <trond.myklebust@primarydata.com>
-
由 Trond Myklebust 提交于
hdr->good_bytes needs to be set to the length of the request, not zero. Cc: stable@vger.kernel.org # 4.0+ Signed-off-by: NTrond Myklebust <trond.myklebust@primarydata.com>
-
由 Trond Myklebust 提交于
This patch ensures that we record the value of 'ffl_flags' from the layout, and then checks for the presence of the FF_FLAGS_NO_LAYOUTCOMMIT flag before deciding whether or not to call pnfs_set_layoutcommit(). The effect is that servers now can decide whether or not they want the client to call layoutcommit before returning a writeable layout. Signed-off-by: NTrond Myklebust <trond.myklebust@primarydata.com>
-
由 Trond Myklebust 提交于
* layoutstats: pnfs/flexfiles: protect ktime manipulation with mirror lock nfs: provide pnfs_report_layoutstat when NFS42 is disabled pnfs/flexfiles: report layoutstat regularly nfs42: serialize LAYOUTSTATS calls of the same file pnfs/flexfiles: encode LAYOUTSTATS flexfiles specific data pnfs/flexfiles: add ff_layout_prepare_layoutstats pNFS/flexfiles: track when layout is first used pNFS/flexfiles: add layoutstats tracking pNFS/flexfiles: Remove unused struct members user_name, group_name pnfs: add pnfs_report_layoutstat helper function pNFS: fill in nfs42_layoutstat_ops NFSv.2/pnfs Add a LAYOUTSTATS rpc function
-
由 Peng Tao 提交于
It looks as if xchg() and cmpxchg() are not available for 64-bit integers on sparc32: > New breakage seen in linux-next today: > > ERROR: "__xchg_called_with_bad_pointer" [fs/nfs/flexfilelayout/nfs_layout_flexfiles.ko] undefined! > ERROR: "__cmpxchg_called_with_bad_pointer" [fs/nfs/flexfilelayout/nfs_layout_flexfiles.ko] undefined! > make[2]: *** [__modpost] Error 1 > make[1]: *** [modules] Error 2 Given that mirror ktime manipulation is already under mirror->lock, let's make use of the fact. Reported-by: NPaul Gortmaker <paul.gortmaker@windriver.com> Signed-off-by: NPeng Tao <tao.peng@primarydata.com> Signed-off-by: NTrond Myklebust <trond.myklebust@primarydata.com>
-
由 Peng Tao 提交于
kbuild test robot reported: fs/built-in.o: In function `pnfs_report_layoutstat': >> (.text+0x151a1c): undefined reference to `nfs42_proc_layoutstats_generic' Reported-by: Nkbuild test robot <fengguang.wu@intel.com> Signed-off-by: NPeng Tao <tao.peng@primarydata.com> Signed-off-by: NTrond Myklebust <trond.myklebust@primarydata.com>
-
- 26 6月, 2015 3 次提交
-
-
由 Benjamin Coddington 提交于
Commit 9597c13b forbade opens with O_APPEND|O_DIRECT for NFSv4: nfs: verify open flags before allowing an atomic open Currently, you can open a NFSv4 file with O_APPEND|O_DIRECT, but cannot fcntl(F_SETFL,...) with those flags. This flag combination is explicitly forbidden on NFSv3 opens, and it seems like it should also be on NFSv4. However, you can still open a file with O_DIRECT|O_APPEND if there exists a cached dentry for the file because nfs4_file_open() is used instead of nfs_atomic_open() and the check is bypassed. Add the check in nfs4_file_open() as well. Signed-off-by: NBenjamin Coddington <bcodding@redhat.com> Signed-off-by: NTrond Myklebust <trond.myklebust@primarydata.com>
-
由 Jeff Layton 提交于
A ds can be associated with more than one mirror, but we currently skip setting a mirror's credentials if we find that it's already set up with a connected client. The upshot is that we can end up sending DS writes with MDS credentials instead of properly setting them up. Fix nfs4_ff_layout_prepare_ds to always verify that the mirror's credentials are set up, even when we have a DS that's already connected. Reported-by: NTom Haynes <thomas.haynes@primarydata.com> Signed-off-by: NJeff Layton <jeff.layton@primarydata.com> Cc: stable@vger.kernel.org # 4.0+ Signed-off-by: NTrond Myklebust <trond.myklebust@primarydata.com>
-
由 Jeff Layton 提交于
If we have two tasks racing to update a mirror's credentials, then they can end up leaking one (or more) sets of credentials. The first task will set mirror->cred and then the second task will just overwrite it. Use a cmpxchg to ensure that the creds are only set once. If we get to the point where we would set mirror->cred and find that they're already set, then we just release the creds that were just found. Signed-off-by: NJeff Layton <jeff.layton@primarydata.com> Cc: stable@vger.kernel.org # 4.0+ Signed-off-by: NTrond Myklebust <trond.myklebust@primarydata.com>
-
- 24 6月, 2015 4 次提交
-
-
由 Peng Tao 提交于
As a simple scheme, report every minute if IO is still going on. Reviewed-by: NJeff Layton <jeff.layton@primarydata.com> Signed-off-by: NPeng Tao <tao.peng@primarydata.com> Signed-off-by: NTrond Myklebust <trond.myklebust@primarydata.com>
-
由 Peng Tao 提交于
There is no need to report concurrently. Reviewed-by: NJeff Layton <jeff.layton@primarydata.com> Signed-off-by: NPeng Tao <tao.peng@primarydata.com> Signed-off-by: NTrond Myklebust <trond.myklebust@primarydata.com>
-
由 Peng Tao 提交于
Reviewed-by: NJeff Layton <jeff.layton@primarydata.com> Signed-off-by: NPeng Tao <tao.peng@primarydata.com> Signed-off-by: NTrond Myklebust <trond.myklebust@primarydata.com>
-
由 Peng Tao 提交于
It fills in the generic part of LAYOUTSTATS call. One thing to note is that we don't really track if IO is continuous or not. So just fake to use the completed bytes for it. Still missing flexfiles specific part, which will be included in the next patch. Reviewed-by: NJeff Layton <jeff.layton@primarydata.com> Signed-off-by: NPeng Tao <tao.peng@primarydata.com> Signed-off-by: NTrond Myklebust <trond.myklebust@primarydata.com>
-