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The below changes in kernel source, triggered iscsitarget build fail with linux kernel v4.8. 1. An extra 'flags' argument has been passed to vfs_readv/vfs_writev syscalls in v4.8. So, set this argument to "0" for now (as there is no real need for that). Ref:793b80ef14Solves: -- snip -- TOPDIR/tmp-glibc/work/qemux86-oe-linux/iscsitarget/1.4.20.3+svn502-r0/iscsitarget-1.4.20.3+svn502/kernel/nthread.c: In function 'write_data': TOPDIR/tmp-glibc/work/qemux86-oe-linux/iscsitarget/1.4.20.3+svn502-r0/iscsitarget-1.4.20.3+svn502/kernel/nthread.c:350:9: error: too few arguments to function 'vfs_writev' res = vfs_writev(file, (struct iovec __user *) iop, count, &off); ^~~~~~~~~~ -- snip -- 2. Redefine dropped PAGE_CACHE_* and page_cache_{get,release} definitions, as they have been dropped with v4.8 Ref:1fa64f198bSolves: -- snip -- TOPDIR/tmp-glibc/work/qemux86-oe-linux/iscsitarget/1.4.20.3+svn502-r0/iscsitarget-1.4.20.3+svn502/kernel/param.c: In function 'sess_param_check': TOPDIR/tmp-glibc/work/qemux86-oe-linux/iscsitarget/1.4.20.3+svn502-r0/iscsitarget-1.4.20.3+svn502/kernel/param.c:48:41: error: 'PAGE_CACHE_SIZE' undeclared (first use in this function) (u32) ((ISCSI_CONN_IOV_MAX - 1) * PAGE_CACHE_SIZE)); ^ -- snip -- 3. Replace crypto_hash interfaces with crypto_ahash interfaces, Ref:8965450987Ref: https://www.redhat.com/archives/dm-devel/2016-January/msg00244.html Solves: -- snip -- TOPDIR/tmp-glibc/work/qemux86-oe-linux/iscsitarget/1.4.20.3+svn502-r0/iscsitarget-1.4.20.3+svn502/kernel/digest.c: In function 'digest_init': TOPDIR/tmp-glibc/work/qemux86-oe-linux/iscsitarget/1.4.20.3+svn502-r0/iscsitarget-1.4.20.3+svn502/kernel/digest.c:42:23: error: implicit declaration of function 'crypto_alloc_hash' [-Werror=implicit-function-declaration] conn->rx_hash.tfm = crypto_alloc_hash("crc32c", 0, ^~~~~~~~~~~~~~~~~ TOPDIR/tmp-glibc/work/qemux86-oe-linux/iscsitarget/1.4.20.3+svn502-r0/iscsitarget-1.4.20.3+svn502/kernel/digest.c: In function 'digest_cleanup': TOPDIR/tmp-glibc/work/qemux86-oe-linux/iscsitarget/1.4.20.3+svn502-r0/iscsitarget-1.4.20.3+svn502/kernel/digest.c:77:3: error: implicit declaration of function 'crypto_free_hash' [-Werror=implicit-function-declaration] crypto_free_hash(conn->tx_hash.tfm); ^~~~~~~~~~~~~~~~ -- snip -- 4. The earlier "rw" parameter has been set in "bi_rw" within bio structure, hence remove "rw" argument. Ref:4e49ea4a3dSolves: -- snip -- TOPDIR/tmp-glibc/work/qemux86-oe-linux/iscsitarget/1.4.20.3+svn502-r0/iscsitarget-1.4.20.3+svn502/kernel/block-io.c:140:14: warning: passing argument 1 of 'submit_bio' makes pointer from integer without a cast [-Wint-conversion] submit_bio(rw, bio); ^~ -- snip -- 5. The 'len' argument from sk_data_ready() callback has been removed in linux kernel v4.3 and above. Ref:676d23690fSolves: -- snip -- TOPDIR/tmp-glibc/work/qemux86-oe-linux/iscsitarget/1.4.20.3+svn502-r0/iscsitarget-1.4.20.3+svn502/kernel/conn.c: In function 'iet_socket_bind': TOPDIR/tmp-glibc/work/qemux86-oe-linux/iscsitarget/1.4.20.3+svn502-r0/iscsitarget-1.4.20.3+svn502/kernel/conn.c:143:38: error: assignment from incompatible pointer type [-Werror=incompatible-pointer-types] target->nthread_info.old_data_ready = conn->sock->sk->sk_data_ready; ^ TOPDIR/tmp-glibc/work/qemux86-oe-linux/iscsitarget/1.4.20.3+svn502-r0/iscsitarget-1.4.20.3+svn502/kernel/conn.c:144:32: error: assignment from incompatible pointer type [-Werror=incompatible-pointer-types] conn->sock->sk->sk_data_ready = iet_data_ready; ^ -- snip -- 6. A. The "size" argument has been dropped from sock_recvmsg syscall in v4.8, as all callers have it equal to msg_data_left(msg). B. 'struct user_msghdr' is being used for userland-side msghdr instead of 'struct msghdr', which is used for kernel-side msghdr in linux v3.19 and above, so typecase it while calling sock_recvmsg syscall. Ref:2da62906b1666547ff59Solves: -- snip -- TOPDIR/tmp-glibc/work-shared/qemux86/kernel-source/include/linux/net.h:222:5: note: expected 'struct msghdr *' but argument is of type 'struct user_msghdr *' int sock_recvmsg(struct socket *sock, struct msghdr *msg, int flags); ^~~~~~~~~~~~ TOPDIR/tmp-glibc/work/qemux86-oe-linux/iscsitarget/1.4.20.3+svn502-r0/iscsitarget-1.4.20.3+svn502/kernel/nthread.c:129:8: error: too many arguments to function 'sock_recvmsg' res = sock_recvmsg(conn->sock, &msg, len, MSG_DONTWAIT | MSG_NOSIGNAL); ^~~~~~~~~~~~ -- snip -- Detailed error log is at: http://errors.yoctoproject.org/Errors/Details/83334/ Signed-off-by: Jagadeesh Krishnanjanappa <jkrishnanjanappa@mvista.com> Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com> Signed-off-by: Joe MacDonald <joe_macdonald@mentor.com>
Collection of layers for the OE-core universe Please see the respective READMEs in the layer subdirectories