* [PATCH v2] NFSv4: Fix reboot recovery in copy offload [not found] <CAN-5tyFM88h5XMvnYQ3hnq6DgE_wsctFhjQuX_bAvUJkr3xKjw@mail.gmail.com> @ 2017-02-17 17:32 ` Trond Myklebust 2017-02-17 17:38 ` Olga Kornievskaia 2017-02-17 23:42 ` [PATCH v3] " Trond Myklebust 1 sibling, 1 reply; 4+ messages in thread From: Trond Myklebust @ 2017-02-17 17:32 UTC (permalink / raw) To: Olga Kornievskaia; +Cc: linux-nfs Copy offload code needs to be hooked into the code for handling NFS4ERR_BAD_STATEID by ensuring that we set the "stateid" field in struct nfs4_exception. Reported-by: Olga Kornievskaia <aglo@umich.edu> Fixes: 2e72448b07dc3 ("NFS: Add COPY nfs operation") Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com> --- fs/nfs/nfs42proc.c | 67 +++++++++++++++++++++++++++++++++--------------------- 1 file changed, 41 insertions(+), 26 deletions(-) diff --git a/fs/nfs/nfs42proc.c b/fs/nfs/nfs42proc.c index d12ff9385f49..1f8bfffc9f04 100644 --- a/fs/nfs/nfs42proc.c +++ b/fs/nfs/nfs42proc.c @@ -128,20 +128,13 @@ int nfs42_proc_deallocate(struct file *filep, loff_t offset, loff_t len) return err; } -static ssize_t _nfs42_proc_copy(struct file *src, loff_t pos_src, +static ssize_t _nfs42_proc_copy(struct file *src, struct nfs_lock_context *src_lock, - struct file *dst, loff_t pos_dst, + struct file *dst, struct nfs_lock_context *dst_lock, - size_t count) + struct nfs42_copy_args *args, + struct nfs42_copy_res *res) { - struct nfs42_copy_args args = { - .src_fh = NFS_FH(file_inode(src)), - .src_pos = pos_src, - .dst_fh = NFS_FH(file_inode(dst)), - .dst_pos = pos_dst, - .count = count, - }; - struct nfs42_copy_res res; struct rpc_message msg = { .rpc_proc = &nfs4_procedures[NFSPROC4_CLNT_COPY], .rpc_argp = &args, @@ -149,9 +142,12 @@ static ssize_t _nfs42_proc_copy(struct file *src, loff_t pos_src, }; struct inode *dst_inode = file_inode(dst); struct nfs_server *server = NFS_SERVER(dst_inode); + loff_t pos_src = args->src_pos; + loff_t pos_dst = args->dst_pos; + size_t count = args->count; int status; - status = nfs4_set_rw_stateid(&args.src_stateid, src_lock->open_context, + status = nfs4_set_rw_stateid(&args->src_stateid, src_lock->open_context, src_lock, FMODE_READ); if (status) return status; @@ -161,7 +157,7 @@ static ssize_t _nfs42_proc_copy(struct file *src, loff_t pos_src, if (status) return status; - status = nfs4_set_rw_stateid(&args.dst_stateid, dst_lock->open_context, + status = nfs4_set_rw_stateid(&args->dst_stateid, dst_lock->open_context, dst_lock, FMODE_WRITE); if (status) return status; @@ -171,22 +167,22 @@ static ssize_t _nfs42_proc_copy(struct file *src, loff_t pos_src, return status; status = nfs4_call_sync(server->client, server, &msg, - &args.seq_args, &res.seq_res, 0); + &args->seq_args, &res->seq_res, 0); if (status == -ENOTSUPP) server->caps &= ~NFS_CAP_COPY; if (status) return status; - if (res.write_res.verifier.committed != NFS_FILE_SYNC) { - status = nfs_commit_file(dst, &res.write_res.verifier.verifier); + if (res->write_res.verifier.committed != NFS_FILE_SYNC) { + status = nfs_commit_file(dst, &res->write_res.verifier.verifier); if (status) return status; } truncate_pagecache_range(dst_inode, pos_dst, - pos_dst + res.write_res.count); + pos_dst + res->write_res.count); - return res.write_res.count; + return res->write_res.count; } ssize_t nfs42_proc_copy(struct file *src, loff_t pos_src, @@ -196,8 +192,22 @@ ssize_t nfs42_proc_copy(struct file *src, loff_t pos_src, struct nfs_server *server = NFS_SERVER(file_inode(dst)); struct nfs_lock_context *src_lock; struct nfs_lock_context *dst_lock; - struct nfs4_exception src_exception = { }; - struct nfs4_exception dst_exception = { }; + struct nfs42_copy_args args = { + .src_fh = NFS_FH(file_inode(src)), + .src_pos = pos_src, + .dst_fh = NFS_FH(file_inode(dst)), + .dst_pos = pos_dst, + .count = count, + }; + struct nfs42_copy_res res; + struct nfs4_exception src_exception = { + .inode = file_inode(src), + .stateid = &args.src_stateid, + }; + struct nfs4_exception dst_exception = { + .inode = file_inode(dst), + .stateid = &args.dst_stateid, + }; ssize_t err, err2; if (!nfs_server_capable(file_inode(dst), NFS_CAP_COPY)) @@ -207,7 +217,6 @@ ssize_t nfs42_proc_copy(struct file *src, loff_t pos_src, if (IS_ERR(src_lock)) return PTR_ERR(src_lock); - src_exception.inode = file_inode(src); src_exception.state = src_lock->open_context->state; dst_lock = nfs_get_lock_context(nfs_file_open_context(dst)); @@ -216,25 +225,31 @@ ssize_t nfs42_proc_copy(struct file *src, loff_t pos_src, goto out_put_src_lock; } - dst_exception.inode = file_inode(dst); dst_exception.state = dst_lock->open_context->state; - do { + for (;;) { inode_lock(file_inode(dst)); - err = _nfs42_proc_copy(src, pos_src, src_lock, - dst, pos_dst, dst_lock, count); + err = _nfs42_proc_copy(src, src_lock, + dst, dst_lock, + &args, &res); inode_unlock(file_inode(dst)); + if (err >= 0) + break; if (err == -ENOTSUPP) { err = -EOPNOTSUPP; break; } err2 = nfs4_handle_exception(server, err, &src_exception); + if (src_exception.retry) + continue; err = nfs4_handle_exception(server, err, &dst_exception); if (!err) err = err2; - } while (src_exception.retry || dst_exception.retry); + if (!dst_exception.retry) + break; + } nfs_put_lock_context(dst_lock); out_put_src_lock: -- 2.9.3 ^ permalink raw reply related [flat|nested] 4+ messages in thread
* Re: [PATCH v2] NFSv4: Fix reboot recovery in copy offload 2017-02-17 17:32 ` [PATCH v2] NFSv4: Fix reboot recovery in copy offload Trond Myklebust @ 2017-02-17 17:38 ` Olga Kornievskaia 0 siblings, 0 replies; 4+ messages in thread From: Olga Kornievskaia @ 2017-02-17 17:38 UTC (permalink / raw) To: Trond Myklebust; +Cc: linux-nfs On Fri, Feb 17, 2017 at 12:32 PM, Trond Myklebust <trond.myklebust@primarydata.com> wrote: > Copy offload code needs to be hooked into the code for handling > NFS4ERR_BAD_STATEID by ensuring that we set the "stateid" field > in struct nfs4_exception. > > Reported-by: Olga Kornievskaia <aglo@umich.edu> > Fixes: 2e72448b07dc3 ("NFS: Add COPY nfs operation") > Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com> > --- > fs/nfs/nfs42proc.c | 67 +++++++++++++++++++++++++++++++++--------------------- > 1 file changed, 41 insertions(+), 26 deletions(-) > > diff --git a/fs/nfs/nfs42proc.c b/fs/nfs/nfs42proc.c > index d12ff9385f49..1f8bfffc9f04 100644 > --- a/fs/nfs/nfs42proc.c > +++ b/fs/nfs/nfs42proc.c > @@ -128,20 +128,13 @@ int nfs42_proc_deallocate(struct file *filep, loff_t offset, loff_t len) > return err; > } > > -static ssize_t _nfs42_proc_copy(struct file *src, loff_t pos_src, > +static ssize_t _nfs42_proc_copy(struct file *src, > struct nfs_lock_context *src_lock, > - struct file *dst, loff_t pos_dst, > + struct file *dst, > struct nfs_lock_context *dst_lock, > - size_t count) > + struct nfs42_copy_args *args, > + struct nfs42_copy_res *res) > { > - struct nfs42_copy_args args = { > - .src_fh = NFS_FH(file_inode(src)), > - .src_pos = pos_src, > - .dst_fh = NFS_FH(file_inode(dst)), > - .dst_pos = pos_dst, > - .count = count, > - }; > - struct nfs42_copy_res res; > struct rpc_message msg = { > .rpc_proc = &nfs4_procedures[NFSPROC4_CLNT_COPY], > .rpc_argp = &args, This part needs to be fixed .rpc_args = args, .rpc_resp = res, Since now they are passed as pointers. > @@ -149,9 +142,12 @@ static ssize_t _nfs42_proc_copy(struct file *src, loff_t pos_src, > }; > struct inode *dst_inode = file_inode(dst); > struct nfs_server *server = NFS_SERVER(dst_inode); > + loff_t pos_src = args->src_pos; > + loff_t pos_dst = args->dst_pos; > + size_t count = args->count; > int status; > > - status = nfs4_set_rw_stateid(&args.src_stateid, src_lock->open_context, > + status = nfs4_set_rw_stateid(&args->src_stateid, src_lock->open_context, > src_lock, FMODE_READ); > if (status) > return status; > @@ -161,7 +157,7 @@ static ssize_t _nfs42_proc_copy(struct file *src, loff_t pos_src, > if (status) > return status; > > - status = nfs4_set_rw_stateid(&args.dst_stateid, dst_lock->open_context, > + status = nfs4_set_rw_stateid(&args->dst_stateid, dst_lock->open_context, > dst_lock, FMODE_WRITE); > if (status) > return status; > @@ -171,22 +167,22 @@ static ssize_t _nfs42_proc_copy(struct file *src, loff_t pos_src, > return status; > > status = nfs4_call_sync(server->client, server, &msg, > - &args.seq_args, &res.seq_res, 0); > + &args->seq_args, &res->seq_res, 0); > if (status == -ENOTSUPP) > server->caps &= ~NFS_CAP_COPY; > if (status) > return status; > > - if (res.write_res.verifier.committed != NFS_FILE_SYNC) { > - status = nfs_commit_file(dst, &res.write_res.verifier.verifier); > + if (res->write_res.verifier.committed != NFS_FILE_SYNC) { > + status = nfs_commit_file(dst, &res->write_res.verifier.verifier); > if (status) > return status; > } > > truncate_pagecache_range(dst_inode, pos_dst, > - pos_dst + res.write_res.count); > + pos_dst + res->write_res.count); > > - return res.write_res.count; > + return res->write_res.count; > } > > ssize_t nfs42_proc_copy(struct file *src, loff_t pos_src, > @@ -196,8 +192,22 @@ ssize_t nfs42_proc_copy(struct file *src, loff_t pos_src, > struct nfs_server *server = NFS_SERVER(file_inode(dst)); > struct nfs_lock_context *src_lock; > struct nfs_lock_context *dst_lock; > - struct nfs4_exception src_exception = { }; > - struct nfs4_exception dst_exception = { }; > + struct nfs42_copy_args args = { > + .src_fh = NFS_FH(file_inode(src)), > + .src_pos = pos_src, > + .dst_fh = NFS_FH(file_inode(dst)), > + .dst_pos = pos_dst, > + .count = count, > + }; > + struct nfs42_copy_res res; > + struct nfs4_exception src_exception = { > + .inode = file_inode(src), > + .stateid = &args.src_stateid, > + }; > + struct nfs4_exception dst_exception = { > + .inode = file_inode(dst), > + .stateid = &args.dst_stateid, > + }; > ssize_t err, err2; > > if (!nfs_server_capable(file_inode(dst), NFS_CAP_COPY)) > @@ -207,7 +217,6 @@ ssize_t nfs42_proc_copy(struct file *src, loff_t pos_src, > if (IS_ERR(src_lock)) > return PTR_ERR(src_lock); > > - src_exception.inode = file_inode(src); > src_exception.state = src_lock->open_context->state; > > dst_lock = nfs_get_lock_context(nfs_file_open_context(dst)); > @@ -216,25 +225,31 @@ ssize_t nfs42_proc_copy(struct file *src, loff_t pos_src, > goto out_put_src_lock; > } > > - dst_exception.inode = file_inode(dst); > dst_exception.state = dst_lock->open_context->state; > > - do { > + for (;;) { > inode_lock(file_inode(dst)); > - err = _nfs42_proc_copy(src, pos_src, src_lock, > - dst, pos_dst, dst_lock, count); > + err = _nfs42_proc_copy(src, src_lock, > + dst, dst_lock, > + &args, &res); > inode_unlock(file_inode(dst)); > > + if (err >= 0) > + break; > if (err == -ENOTSUPP) { > err = -EOPNOTSUPP; > break; > } > > err2 = nfs4_handle_exception(server, err, &src_exception); > + if (src_exception.retry) > + continue; > err = nfs4_handle_exception(server, err, &dst_exception); > if (!err) > err = err2; > - } while (src_exception.retry || dst_exception.retry); > + if (!dst_exception.retry) > + break; > + } > > nfs_put_lock_context(dst_lock); > out_put_src_lock: > -- > 2.9.3 > ^ permalink raw reply [flat|nested] 4+ messages in thread
* [PATCH v3] NFSv4: Fix reboot recovery in copy offload [not found] <CAN-5tyFM88h5XMvnYQ3hnq6DgE_wsctFhjQuX_bAvUJkr3xKjw@mail.gmail.com> 2017-02-17 17:32 ` [PATCH v2] NFSv4: Fix reboot recovery in copy offload Trond Myklebust @ 2017-02-17 23:42 ` Trond Myklebust 2017-02-18 0:02 ` Trond Myklebust 1 sibling, 1 reply; 4+ messages in thread From: Trond Myklebust @ 2017-02-17 23:42 UTC (permalink / raw) To: Olga Kornievskaia, Anna Schumaker; +Cc: linux-nfs Copy offload code needs to be hooked into the code for handling NFS4ERR_BAD_STATEID by ensuring that we set the "stateid" field in struct nfs4_exception. Reported-by: Olga Kornievskaia <aglo@umich.edu> Fixes: 2e72448b07dc3 ("NFS: Add COPY nfs operation") Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com> --- fs/nfs/nfs42proc.c | 63 ++++++++++++++++++++++++++++++++---------------------- 1 file changed, 37 insertions(+), 26 deletions(-) diff --git a/fs/nfs/nfs42proc.c b/fs/nfs/nfs42proc.c index d12ff9385f49..78da4087dc73 100644 --- a/fs/nfs/nfs42proc.c +++ b/fs/nfs/nfs42proc.c @@ -128,30 +128,26 @@ int nfs42_proc_deallocate(struct file *filep, loff_t offset, loff_t len) return err; } -static ssize_t _nfs42_proc_copy(struct file *src, loff_t pos_src, +static ssize_t _nfs42_proc_copy(struct file *src, struct nfs_lock_context *src_lock, - struct file *dst, loff_t pos_dst, + struct file *dst, struct nfs_lock_context *dst_lock, - size_t count) + struct nfs42_copy_args *args, + struct nfs42_copy_res *res) { - struct nfs42_copy_args args = { - .src_fh = NFS_FH(file_inode(src)), - .src_pos = pos_src, - .dst_fh = NFS_FH(file_inode(dst)), - .dst_pos = pos_dst, - .count = count, - }; - struct nfs42_copy_res res; struct rpc_message msg = { .rpc_proc = &nfs4_procedures[NFSPROC4_CLNT_COPY], - .rpc_argp = &args, - .rpc_resp = &res, + .rpc_argp = args, + .rpc_resp = res, }; struct inode *dst_inode = file_inode(dst); struct nfs_server *server = NFS_SERVER(dst_inode); + loff_t pos_src = args->src_pos; + loff_t pos_dst = args->dst_pos; + size_t count = args->count; int status; - status = nfs4_set_rw_stateid(&args.src_stateid, src_lock->open_context, + status = nfs4_set_rw_stateid(&args->src_stateid, src_lock->open_context, src_lock, FMODE_READ); if (status) return status; @@ -161,7 +157,7 @@ static ssize_t _nfs42_proc_copy(struct file *src, loff_t pos_src, if (status) return status; - status = nfs4_set_rw_stateid(&args.dst_stateid, dst_lock->open_context, + status = nfs4_set_rw_stateid(&args->dst_stateid, dst_lock->open_context, dst_lock, FMODE_WRITE); if (status) return status; @@ -171,22 +167,22 @@ static ssize_t _nfs42_proc_copy(struct file *src, loff_t pos_src, return status; status = nfs4_call_sync(server->client, server, &msg, - &args.seq_args, &res.seq_res, 0); + &args->seq_args, &res->seq_res, 0); if (status == -ENOTSUPP) server->caps &= ~NFS_CAP_COPY; if (status) return status; - if (res.write_res.verifier.committed != NFS_FILE_SYNC) { - status = nfs_commit_file(dst, &res.write_res.verifier.verifier); + if (res->write_res.verifier.committed != NFS_FILE_SYNC) { + status = nfs_commit_file(dst, &res->write_res.verifier.verifier); if (status) return status; } truncate_pagecache_range(dst_inode, pos_dst, - pos_dst + res.write_res.count); + pos_dst + res->write_res.count); - return res.write_res.count; + return res->write_res.count; } ssize_t nfs42_proc_copy(struct file *src, loff_t pos_src, @@ -196,8 +192,22 @@ ssize_t nfs42_proc_copy(struct file *src, loff_t pos_src, struct nfs_server *server = NFS_SERVER(file_inode(dst)); struct nfs_lock_context *src_lock; struct nfs_lock_context *dst_lock; - struct nfs4_exception src_exception = { }; - struct nfs4_exception dst_exception = { }; + struct nfs42_copy_args args = { + .src_fh = NFS_FH(file_inode(src)), + .src_pos = pos_src, + .dst_fh = NFS_FH(file_inode(dst)), + .dst_pos = pos_dst, + .count = count, + }; + struct nfs42_copy_res res; + struct nfs4_exception src_exception = { + .inode = file_inode(src), + .stateid = &args.src_stateid, + }; + struct nfs4_exception dst_exception = { + .inode = file_inode(dst), + .stateid = &args.dst_stateid, + }; ssize_t err, err2; if (!nfs_server_capable(file_inode(dst), NFS_CAP_COPY)) @@ -207,7 +217,6 @@ ssize_t nfs42_proc_copy(struct file *src, loff_t pos_src, if (IS_ERR(src_lock)) return PTR_ERR(src_lock); - src_exception.inode = file_inode(src); src_exception.state = src_lock->open_context->state; dst_lock = nfs_get_lock_context(nfs_file_open_context(dst)); @@ -216,15 +225,17 @@ ssize_t nfs42_proc_copy(struct file *src, loff_t pos_src, goto out_put_src_lock; } - dst_exception.inode = file_inode(dst); dst_exception.state = dst_lock->open_context->state; do { inode_lock(file_inode(dst)); - err = _nfs42_proc_copy(src, pos_src, src_lock, - dst, pos_dst, dst_lock, count); + err = _nfs42_proc_copy(src, src_lock, + dst, dst_lock, + &args, &res); inode_unlock(file_inode(dst)); + if (err >= 0) + break; if (err == -ENOTSUPP) { err = -EOPNOTSUPP; break; -- 2.9.3 ^ permalink raw reply related [flat|nested] 4+ messages in thread
* Re: [PATCH v3] NFSv4: Fix reboot recovery in copy offload 2017-02-17 23:42 ` [PATCH v3] " Trond Myklebust @ 2017-02-18 0:02 ` Trond Myklebust 0 siblings, 0 replies; 4+ messages in thread From: Trond Myklebust @ 2017-02-18 0:02 UTC (permalink / raw) To: anna.schumaker@netapp.com, aglo@umich.edu; +Cc: linux-nfs@vger.kernel.org T24gRnJpLCAyMDE3LTAyLTE3IGF0IDE4OjQyIC0wNTAwLCBUcm9uZCBNeWtsZWJ1c3Qgd3JvdGU6 DQo+IENvcHkgb2ZmbG9hZCBjb2RlIG5lZWRzIHRvIGJlIGhvb2tlZCBpbnRvIHRoZSBjb2RlIGZv ciBoYW5kbGluZw0KPiBORlM0RVJSX0JBRF9TVEFURUlEIGJ5IGVuc3VyaW5nIHRoYXQgd2Ugc2V0 IHRoZSAic3RhdGVpZCIgZmllbGQNCj4gaW4gc3RydWN0IG5mczRfZXhjZXB0aW9uLg0KPiANCj4g UmVwb3J0ZWQtYnk6IE9sZ2EgS29ybmlldnNrYWlhIDxhZ2xvQHVtaWNoLmVkdT4NCj4gRml4ZXM6 IDJlNzI0NDhiMDdkYzMgKCJORlM6IEFkZCBDT1BZIG5mcyBvcGVyYXRpb24iKQ0KPiBTaWduZWQt b2ZmLWJ5OiBUcm9uZCBNeWtsZWJ1c3QgPHRyb25kLm15a2xlYnVzdEBwcmltYXJ5ZGF0YS5jb20+ DQo+IC0tLQ0KDQp2MyBjaGFuZ2U6IGFzaWRlIGZyb20gdGhlIHBvaW50ZXIgaXNzdWUgaW4gX25m czQyX3Byb2NfY29weSgpIHRoYXQgd2FzDQpub3RlZCBieSBPbGdhLCBJIHdlbnQgYmFjayB0byB0 aGUgb3JpZ2luYWwgZGVzaWduIGZvciByZWNvdmVyeS4gVGhlDQpmYWN0IHRoYXQgdGhpcyBpcyBO RlN2NC4yIG1lYW5zIHRoYXQgd2Ugc2hvdWxkIGJlIGNhbGxpbmcgVEVTVF9TVEFURUlEDQpiZWZv cmUgZGV0ZXJtaW5pbmcgdGhhdCB0aGUgQkFEX1NUQVRFSUQgYXBwbGllcy4NCg0KLS0gDQpUcm9u ZCBNeWtsZWJ1c3QNCkxpbnV4IE5GUyBjbGllbnQgbWFpbnRhaW5lciwgUHJpbWFyeURhdGENCnRy b25kLm15a2xlYnVzdEBwcmltYXJ5ZGF0YS5jb20NCg== ^ permalink raw reply [flat|nested] 4+ messages in thread
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[not found] <CAN-5tyFM88h5XMvnYQ3hnq6DgE_wsctFhjQuX_bAvUJkr3xKjw@mail.gmail.com>
2017-02-17 17:32 ` [PATCH v2] NFSv4: Fix reboot recovery in copy offload Trond Myklebust
2017-02-17 17:38 ` Olga Kornievskaia
2017-02-17 23:42 ` [PATCH v3] " Trond Myklebust
2017-02-18 0:02 ` Trond Myklebust
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