openafs: fix on kernel 3.16 with upstream patches

pkgs/servers/openafs-client/ae86b07f827d6f3e2032a412f5f6cb3951a27d2d.patch

···
+From e284db57f94c8f97ed1c95dcd0bd9518d86c050c Mon Sep 17 00:00:00 2001
+From: Marc Dionne <[e-mail]>
+Date: Wed, 18 Jun 2014 08:53:48 -0400
+Subject: [PATCH] Linux 3.16: Switch to iter_file_splice_write
+
+Users of generic_file_splice_write need to switch to
+using iter_file_splice_write.
+
+Change-Id: If4801d27e030e1cb986f483cf437a2cfa7398eb3
+Reviewed-on: http://gerrit.openafs.org/11302
+Reviewed-by: Chas Williams - CONTRACTOR <[e-mail]>
+Tested-by: Chas Williams - CONTRACTOR <[e-mail]>
+Reviewed-by: Jeffrey Altman <[e-mail]>
+Tested-by: Jeffrey Altman <[e-mail]>
+---
+ acinclude.m4                 |    3 +++
+ src/afs/LINUX/osi_vnodeops.c |    4 ++++
+ 2 files changed, 7 insertions(+), 0 deletions(-)
+
+diff --git a/acinclude.m4 b/acinclude.m4
+index ae8f1ed..9e39d90 100644
+--- a/acinclude.m4
++++ b/acinclude.m4
+@@ -958,6 +958,9 @@ case $AFS_SYSNAME in *_linux* | *_umlinux*)
+ 		 AC_CHECK_LINUX_FUNC([inode_setattr],
+ 				     [#include <linux/fs.h>],
+ 				     [inode_setattr(NULL, NULL);])
++		 AC_CHECK_LINUX_FUNC([iter_file_splice_write],
++				     [#include <linux/fs.h>],
++				     [iter_file_splice_write(NULL,NULL,NULL,0,0);])
+ 		 AC_CHECK_LINUX_FUNC([kernel_setsockopt],
+ 				     [#include <linux/net.h>],
+ 				     [kernel_setsockopt(NULL, 0, 0, NULL, 0);])
+diff --git a/src/afs/LINUX/osi_vnodeops.c b/src/afs/LINUX/osi_vnodeops.c
+index 6f4000b..2685915 100644
+--- a/src/afs/LINUX/osi_vnodeops.c
++++ b/src/afs/LINUX/osi_vnodeops.c
+@@ -827,7 +827,11 @@ struct file_operations afs_file_fops = {
+   .sendfile =   generic_file_sendfile,
+ #endif
+ #if defined(STRUCT_FILE_OPERATIONS_HAS_SPLICE)
++# if defined(HAVE_LINUX_ITER_FILE_SPLICE_WRITE)
++  .splice_write = iter_file_splice_write,
++# else
+   .splice_write = generic_file_splice_write,
++# endif
+   .splice_read = generic_file_splice_read,
+ #endif
+   .release =	afs_linux_release,
+-- 
+1.7.1

pkgs/servers/openafs-client/default.nix

···
     url = http://www.openafs.org/dl/openafs/1.6.9/openafs-1.6.9-src.tar.bz2;
     sha256 = "1isgw7znp10w0mr3sicnjzbc12bd1gdwfqqr667w6p3syyhs6bkv";
   };
+ 
+  patches = [ 
+   ./f3c0f74186f4a323ffc5f125d961fe384d396cac.patch
+   ./ae86b07f827d6f3e2032a412f5f6cb3951a27d2d.patch
+  ];
 
   buildInputs = [ autoconf automake flex yacc ncurses perl which ];
 

pkgs/servers/openafs-client/f3c0f74186f4a323ffc5f125d961fe384d396cac.patch

···
+From: Marc Dionne <[e-mail]>
+Date: Wed, 18 Jun 2014 13:06:39 +0000 (-0400)
+Subject: Linux 3.16: Convert to new write_iter/read_iter ops
+X-Git-Tag: openafs-stable-1_6_10pre1~76
+X-Git-Url: http://git.openafs.org/?p=openafs.git;a=commitdiff_plain;h=f3c0f74186f4a323ffc5f125d961fe384d396cac
+
+Linux 3.16: Convert to new write_iter/read_iter ops
+
+Change read/write operations to the new write_iter/read_iter
+operations.
+
+Reviewed-on: http://gerrit.openafs.org/11303
+Reviewed-by: Chas Williams - CONTRACTOR <[e-mail]>
+Tested-by: Chas Williams - CONTRACTOR <[e-mail]>
+Reviewed-by: Jeffrey Altman <[e-mail]>
+Tested-by: Jeffrey Altman <[e-mail]>
+(cherry picked from commit a303bb257ed9e790d8c14644779e9508167887b6)
+
+Change-Id: I3f66104be067698a4724ed78537765cf26d4aa10
+Reviewed-on: http://gerrit.openafs.org/11309
+Reviewed-by: Chas Williams - CONTRACTOR <[e-mail]>
+Tested-by: BuildBot <[e-mail]>
+Reviewed-by: Stephan Wiesand <[e-mail]>
+---
+
+diff --git a/acinclude.m4 b/acinclude.m4
+index 83a1a8c..13d70db 100644
+--- a/acinclude.m4
++++ b/acinclude.m4
+@@ -836,6 +836,7 @@ case $AFS_SYSNAME in *_linux* | *_umlinux*)
+ 		 AC_CHECK_LINUX_STRUCT([inode], [i_security], [fs.h])
+ 		 AC_CHECK_LINUX_STRUCT([file_operations], [flock], [fs.h])
+ 		 AC_CHECK_LINUX_STRUCT([file_operations], [iterate], [fs.h])
++		 AC_CHECK_LINUX_STRUCT([file_operations], [read_iter], [fs.h])
+ 		 AC_CHECK_LINUX_STRUCT([file_operations], [sendfile], [fs.h])
+ 		 AC_CHECK_LINUX_STRUCT([file_system_type], [mount], [fs.h])
+ 		 AC_CHECK_LINUX_STRUCT([inode_operations], [truncate], [fs.h])
+diff --git a/src/afs/LINUX/osi_vnodeops.c b/src/afs/LINUX/osi_vnodeops.c
+index 441cce7..818debe 100644
+--- a/src/afs/LINUX/osi_vnodeops.c
++++ b/src/afs/LINUX/osi_vnodeops.c
+@@ -99,8 +99,11 @@ afs_linux_VerifyVCache(struct vcache *avc, cred_t **retcred) {
+     return afs_convert_code(code);
+ }
+ 
+-#ifdef HAVE_LINUX_GENERIC_FILE_AIO_READ
+-# ifdef LINUX_HAS_NONVECTOR_AIO
++#if defined(STRUCT_FILE_OPERATIONS_HAS_READ_ITER) || defined(HAVE_LINUX_GENERIC_FILE_AIO_READ)
++# if defined(STRUCT_FILE_OPERATIONS_HAS_READ_ITER)
++static ssize_t
++afs_linux_read_iter(struct kiocb *iocb, struct iov_iter *iter)
++# elif defined(LINUX_HAS_NONVECTOR_AIO)
+ static ssize_t
+ afs_linux_aio_read(struct kiocb *iocb, char __user *buf, size_t bufsize,
+                    loff_t pos)
+@@ -113,6 +116,11 @@ afs_linux_aio_read(struct kiocb *iocb, const struct iovec *buf,
+     struct file *fp = iocb->ki_filp;
+     ssize_t code = 0;
+     struct vcache *vcp = VTOAFS(fp->f_dentry->d_inode);
++# if defined(STRUCT_FILE_OPERATIONS_HAS_READ_ITER)
++    loff_t pos = iocb->ki_pos;
++    unsigned long bufsize = iter->nr_segs;
++# endif
++
+ 
+     AFS_GLOCK();
+     afs_Trace4(afs_iclSetp, CM_TRACE_AIOREADOP, ICL_TYPE_POINTER, vcp,
+@@ -125,7 +133,11 @@ afs_linux_aio_read(struct kiocb *iocb, const struct iovec *buf,
+ 	 * so we optimise by not using it */
+ 	osi_FlushPages(vcp, NULL);	/* ensure stale pages are gone */
+ 	AFS_GUNLOCK();
++# if defined(STRUCT_FILE_OPERATIONS_HAS_READ_ITER)
++	code = generic_file_read_iter(iocb, iter);
++# else
+ 	code = generic_file_aio_read(iocb, buf, bufsize, pos);
++# endif
+ 	AFS_GLOCK();
+     }
+ 
+@@ -170,8 +182,11 @@ afs_linux_read(struct file *fp, char *buf, size_t count, loff_t * offp)
+  * also take care of re-positioning the pointer if file is open in append
+  * mode. Call fake open/close to ensure we do writes of core dumps.
+  */
+-#ifdef HAVE_LINUX_GENERIC_FILE_AIO_READ
+-# ifdef LINUX_HAS_NONVECTOR_AIO
++#if defined(STRUCT_FILE_OPERATIONS_HAS_READ_ITER) || defined(HAVE_LINUX_GENERIC_FILE_AIO_READ)
++# if defined(STRUCT_FILE_OPERATIONS_HAS_READ_ITER)
++static ssize_t
++afs_linux_write_iter(struct kiocb *iocb, struct iov_iter *iter)
++# elif defined(LINUX_HAS_NONVECTOR_AIO)
+ static ssize_t
+ afs_linux_aio_write(struct kiocb *iocb, const char __user *buf, size_t bufsize,
+                     loff_t pos)
+@@ -184,6 +199,10 @@ afs_linux_aio_write(struct kiocb *iocb, const struct iovec *buf,
+     ssize_t code = 0;
+     struct vcache *vcp = VTOAFS(iocb->ki_filp->f_dentry->d_inode);
+     cred_t *credp;
++# if defined(STRUCT_FILE_OPERATIONS_HAS_READ_ITER)
++    loff_t pos = iocb->ki_pos;
++    unsigned long bufsize = iter->nr_segs;
++# endif
+ 
+     AFS_GLOCK();
+ 
+@@ -199,7 +218,11 @@ afs_linux_aio_write(struct kiocb *iocb, const struct iovec *buf,
+     ReleaseWriteLock(&vcp->lock);
+     if (code == 0) {
+ 	    AFS_GUNLOCK();
++# if defined(STRUCT_FILE_OPERATIONS_HAS_READ_ITER)
++	    code = generic_file_write_iter(iocb, iter);
++# else
+ 	    code = generic_file_aio_write(iocb, buf, bufsize, pos);
++# endif
+ 	    AFS_GLOCK();
+     }
+ 
+@@ -788,7 +811,12 @@ struct file_operations afs_dir_fops = {
+ };
+ 
+ struct file_operations afs_file_fops = {
+-#ifdef HAVE_LINUX_GENERIC_FILE_AIO_READ
++#ifdef STRUCT_FILE_OPERATIONS_HAS_READ_ITER
++  .read_iter =	afs_linux_read_iter,
++  .write_iter =	afs_linux_write_iter,
++  .read =	new_sync_read,
++  .write =	new_sync_write,
++#elif defined(HAVE_LINUX_GENERIC_FILE_AIO_READ)
+   .aio_read =	afs_linux_aio_read,
+   .aio_write =	afs_linux_aio_write,
+   .read =	do_sync_read,