qemu-kvm/kvm-virtiofsd-Remove-unused-enum-fuse_buf_copy_flags.patch

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* Fri Jan 31 2020 Miroslav Rezanina <mrezanin@redhat.com> - 4.2.0-8.el8 - kvm-target-arm-arch_dump-Add-SVE-notes.patch [bz#1725084] - kvm-vhost-Add-names-to-section-rounded-warning.patch [bz#1779041] - kvm-vhost-Only-align-sections-for-vhost-user.patch [bz#1779041] - kvm-vhost-coding-style-fix.patch [bz#1779041] - kvm-virtio-fs-fix-MSI-X-nvectors-calculation.patch [bz#1694164] - kvm-vhost-user-fs-remove-vhostfd-property.patch [bz#1694164] - kvm-build-rename-CONFIG_LIBCAP-to-CONFIG_LIBCAP_NG.patch [bz#1694164] - kvm-virtiofsd-Pull-in-upstream-headers.patch [bz#1694164] - kvm-virtiofsd-Pull-in-kernel-s-fuse.h.patch [bz#1694164] - kvm-virtiofsd-Add-auxiliary-.c-s.patch [bz#1694164] - kvm-virtiofsd-Add-fuse_lowlevel.c.patch [bz#1694164] - kvm-virtiofsd-Add-passthrough_ll.patch [bz#1694164] - kvm-virtiofsd-Trim-down-imported-files.patch [bz#1694164] - kvm-virtiofsd-Format-imported-files-to-qemu-style.patch [bz#1694164] - kvm-virtiofsd-remove-mountpoint-dummy-argument.patch [bz#1694164] - kvm-virtiofsd-remove-unused-notify-reply-support.patch [bz#1694164] - kvm-virtiofsd-Remove-unused-enum-fuse_buf_copy_flags.patch [bz#1694164] - kvm-virtiofsd-Fix-fuse_daemonize-ignored-return-values.patch [bz#1694164] - kvm-virtiofsd-Fix-common-header-and-define-for-QEMU-buil.patch [bz#1694164] - kvm-virtiofsd-Trim-out-compatibility-code.patch [bz#1694164] - kvm-vitriofsd-passthrough_ll-fix-fallocate-ifdefs.patch [bz#1694164] - kvm-virtiofsd-Make-fsync-work-even-if-only-inode-is-pass.patch [bz#1694164] - kvm-virtiofsd-Add-options-for-virtio.patch [bz#1694164] - kvm-virtiofsd-add-o-source-PATH-to-help-output.patch [bz#1694164] - kvm-virtiofsd-Open-vhost-connection-instead-of-mounting.patch [bz#1694164] - kvm-virtiofsd-Start-wiring-up-vhost-user.patch [bz#1694164] - kvm-virtiofsd-Add-main-virtio-loop.patch [bz#1694164] - kvm-virtiofsd-get-set-features-callbacks.patch [bz#1694164] - kvm-virtiofsd-Start-queue-threads.patch [bz#1694164] - kvm-virtiofsd-Poll-kick_fd-for-queue.patch [bz#1694164] - kvm-virtiofsd-Start-reading-commands-from-queue.patch [bz#1694164] - kvm-virtiofsd-Send-replies-to-messages.patch [bz#1694164] - kvm-virtiofsd-Keep-track-of-replies.patch [bz#1694164] - kvm-virtiofsd-Add-Makefile-wiring-for-virtiofsd-contrib.patch [bz#1694164] - kvm-virtiofsd-Fast-path-for-virtio-read.patch [bz#1694164] - kvm-virtiofsd-add-fd-FDNUM-fd-passing-option.patch [bz#1694164] - kvm-virtiofsd-make-f-foreground-the-default.patch [bz#1694164] - kvm-virtiofsd-add-vhost-user.json-file.patch [bz#1694164] - kvm-virtiofsd-add-print-capabilities-option.patch [bz#1694164] - kvm-virtiofs-Add-maintainers-entry.patch [bz#1694164] - kvm-virtiofsd-passthrough_ll-create-new-files-in-caller-.patch [bz#1694164] - kvm-virtiofsd-passthrough_ll-add-lo_map-for-ino-fh-indir.patch [bz#1694164] - kvm-virtiofsd-passthrough_ll-add-ino_map-to-hide-lo_inod.patch [bz#1694164] - kvm-virtiofsd-passthrough_ll-add-dirp_map-to-hide-lo_dir.patch [bz#1694164] - kvm-virtiofsd-passthrough_ll-add-fd_map-to-hide-file-des.patch [bz#1694164] - kvm-virtiofsd-passthrough_ll-add-fallback-for-racy-ops.patch [bz#1694164] - kvm-virtiofsd-validate-path-components.patch [bz#1694164] - kvm-virtiofsd-Plumb-fuse_bufvec-through-to-do_write_buf.patch [bz#1694164] - kvm-virtiofsd-Pass-write-iov-s-all-the-way-through.patch [bz#1694164] - kvm-virtiofsd-add-fuse_mbuf_iter-API.patch [bz#1694164] - kvm-virtiofsd-validate-input-buffer-sizes-in-do_write_bu.patch [bz#1694164] - kvm-virtiofsd-check-input-buffer-size-in-fuse_lowlevel.c.patch [bz#1694164] - kvm-virtiofsd-prevent-.-escape-in-lo_do_lookup.patch [bz#1694164] - kvm-virtiofsd-prevent-.-escape-in-lo_do_readdir.patch [bz#1694164] - kvm-virtiofsd-use-proc-self-fd-O_PATH-file-descriptor.patch [bz#1694164] - kvm-virtiofsd-sandbox-mount-namespace.patch [bz#1694164] - kvm-virtiofsd-move-to-an-empty-network-namespace.patch [bz#1694164] - kvm-virtiofsd-move-to-a-new-pid-namespace.patch [bz#1694164] - kvm-virtiofsd-add-seccomp-whitelist.patch [bz#1694164] - kvm-virtiofsd-Parse-flag-FUSE_WRITE_KILL_PRIV.patch [bz#1694164] - kvm-virtiofsd-cap-ng-helpers.patch [bz#1694164] - kvm-virtiofsd-Drop-CAP_FSETID-if-client-asked-for-it.patch [bz#1694164] - kvm-virtiofsd-set-maximum-RLIMIT_NOFILE-limit.patch [bz#1694164] - kvm-virtiofsd-fix-libfuse-information-leaks.patch [bz#1694164] - kvm-virtiofsd-add-syslog-command-line-option.patch [bz#1694164] - kvm-virtiofsd-print-log-only-when-priority-is-high-enoug.patch [bz#1694164] - kvm-virtiofsd-Add-ID-to-the-log-with-FUSE_LOG_DEBUG-leve.patch [bz#1694164] - kvm-virtiofsd-Add-timestamp-to-the-log-with-FUSE_LOG_DEB.patch [bz#1694164] - kvm-virtiofsd-Handle-reinit.patch [bz#1694164] - kvm-virtiofsd-Handle-hard-reboot.patch [bz#1694164] - kvm-virtiofsd-Kill-threads-when-queues-are-stopped.patch [bz#1694164] - kvm-vhost-user-Print-unexpected-slave-message-types.patch [bz#1694164] - kvm-contrib-libvhost-user-Protect-slave-fd-with-mutex.patch [bz#1694164] - kvm-virtiofsd-passthrough_ll-add-renameat2-support.patch [bz#1694164] - kvm-virtiofsd-passthrough_ll-disable-readdirplus-on-cach.patch [bz#1694164] - kvm-virtiofsd-passthrough_ll-control-readdirplus.patch [bz#1694164] - kvm-virtiofsd-rename-unref_inode-to-unref_inode_lolocked.patch [bz#1694164] - kvm-virtiofsd-fail-when-parent-inode-isn-t-known-in-lo_d.patch [bz#1694164] - kvm-virtiofsd-extract-root-inode-init-into-setup_root.patch [bz#1694164] - kvm-virtiofsd-passthrough_ll-clean-up-cache-related-opti.patch [bz#1694164] - kvm-virtiofsd-passthrough_ll-use-hashtable.patch [bz#1694164] - kvm-virtiofsd-Clean-up-inodes-on-destroy.patch [bz#1694164] - kvm-virtiofsd-support-nanosecond-resolution-for-file-tim.patch [bz#1694164] - kvm-virtiofsd-fix-error-handling-in-main.patch [bz#1694164] - kvm-virtiofsd-cleanup-allocated-resource-in-se.patch [bz#1694164] - kvm-virtiofsd-fix-memory-leak-on-lo.source.patch [bz#1694164] - kvm-virtiofsd-add-helper-for-lo_data-cleanup.patch [bz#1694164] - kvm-virtiofsd-Prevent-multiply-running-with-same-vhost_u.patch [bz#1694164] - kvm-virtiofsd-enable-PARALLEL_DIROPS-during-INIT.patch [bz#1694164] - kvm-virtiofsd-fix-incorrect-error-handling-in-lo_do_look.patch [bz#1694164] - kvm-Virtiofsd-fix-memory-leak-on-fuse-queueinfo.patch [bz#1694164] - kvm-virtiofsd-Support-remote-posix-locks.patch [bz#1694164] - kvm-virtiofsd-use-fuse_lowlevel_is_virtio-in-fuse_sessio.patch [bz#1694164] - kvm-virtiofsd-prevent-fv_queue_thread-vs-virtio_loop-rac.patch [bz#1694164] - kvm-virtiofsd-make-lo_release-atomic.patch [bz#1694164] - kvm-virtiofsd-prevent-races-with-lo_dirp_put.patch [bz#1694164] - kvm-virtiofsd-rename-inode-refcount-to-inode-nlookup.patch [bz#1694164] - kvm-libvhost-user-Fix-some-memtable-remap-cases.patch [bz#1694164] - kvm-virtiofsd-passthrough_ll-fix-refcounting-on-remove-r.patch [bz#1694164] - kvm-virtiofsd-introduce-inode-refcount-to-prevent-use-af.patch [bz#1694164] - kvm-virtiofsd-do-not-always-set-FUSE_FLOCK_LOCKS.patch [bz#1694164] - kvm-virtiofsd-convert-more-fprintf-and-perror-to-use-fus.patch [bz#1694164] - kvm-virtiofsd-Reset-O_DIRECT-flag-during-file-open.patch [bz#1694164] - kvm-virtiofsd-Fix-data-corruption-with-O_APPEND-write-in.patch [bz#1694164] - kvm-virtiofsd-passthrough_ll-Use-cache_readdir-for-direc.patch [bz#1694164] - kvm-virtiofsd-add-definition-of-fuse_buf_writev.patch [bz#1694164] - kvm-virtiofsd-use-fuse_buf_writev-to-replace-fuse_buf_wr.patch [bz#1694164] - kvm-virtiofsd-process-requests-in-a-thread-pool.patch [bz#1694164] - kvm-virtiofsd-prevent-FUSE_INIT-FUSE_DESTROY-races.patch [bz#1694164] - kvm-virtiofsd-fix-lo_destroy-resource-leaks.patch [bz#1694164] - kvm-virtiofsd-add-thread-pool-size-NUM-option.patch [bz#1694164] - kvm-virtiofsd-Convert-lo_destroy-to-take-the-lo-mutex-lo.patch [bz#1694164] - kvm-virtiofsd-passthrough_ll-Pass-errno-to-fuse_reply_er.patch [bz#1694164] - kvm-virtiofsd-stop-all-queue-threads-on-exit-in-virtio_l.patch [bz#1694164] - kvm-virtiofsd-add-some-options-to-the-help-message.patch [bz#1694164] - kvm-redhat-ship-virtiofsd-vhost-user-device-backend.patch [bz#1694164] - Resolves: bz#1694164 (virtio-fs: host<->guest shared file system (qemu)) - Resolves: bz#1725084 (aarch64: support dumping SVE registers) - Resolves: bz#1779041 (netkvm: no connectivity Windows guest with q35 + hugepages + vhost + hv_synic)
2020-01-31 10:12:06 +00:00
From 80237df2b22eca685037456e65d149fed4654165 Mon Sep 17 00:00:00 2001
From: "Dr. David Alan Gilbert" <dgilbert@redhat.com>
Date: Mon, 27 Jan 2020 19:00:48 +0100
Subject: [PATCH 017/116] virtiofsd: Remove unused enum fuse_buf_copy_flags
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
RH-Author: Dr. David Alan Gilbert <dgilbert@redhat.com>
Message-id: <20200127190227.40942-14-dgilbert@redhat.com>
Patchwork-id: 93465
O-Subject: [RHEL-AV-8.2 qemu-kvm PATCH 013/112] virtiofsd: Remove unused enum fuse_buf_copy_flags
Bugzilla: 1694164
RH-Acked-by: Philippe Mathieu-Daudé <philmd@redhat.com>
RH-Acked-by: Stefan Hajnoczi <stefanha@redhat.com>
RH-Acked-by: Sergio Lopez Pascual <slp@redhat.com>
From: Xiao Yang <yangx.jy@cn.fujitsu.com>
Signed-off-by: Xiao Yang <yangx.jy@cn.fujitsu.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
(cherry picked from commit 8c3fe75e0308ba2f01d160ace534b7e386cea808)
Signed-off-by: Miroslav Rezanina <mrezanin@redhat.com>
---
tools/virtiofsd/buffer.c | 7 +++---
tools/virtiofsd/fuse_common.h | 46 +---------------------------------------
tools/virtiofsd/fuse_lowlevel.c | 13 +++++-------
tools/virtiofsd/fuse_lowlevel.h | 35 ++----------------------------
tools/virtiofsd/passthrough_ll.c | 4 ++--
5 files changed, 13 insertions(+), 92 deletions(-)
diff --git a/tools/virtiofsd/buffer.c b/tools/virtiofsd/buffer.c
index 5df946c..4d507f3 100644
--- a/tools/virtiofsd/buffer.c
+++ b/tools/virtiofsd/buffer.c
@@ -171,7 +171,7 @@ static ssize_t fuse_buf_fd_to_fd(const struct fuse_buf *dst, size_t dst_off,
static ssize_t fuse_buf_copy_one(const struct fuse_buf *dst, size_t dst_off,
const struct fuse_buf *src, size_t src_off,
- size_t len, enum fuse_buf_copy_flags flags)
+ size_t len)
{
int src_is_fd = src->flags & FUSE_BUF_IS_FD;
int dst_is_fd = dst->flags & FUSE_BUF_IS_FD;
@@ -224,8 +224,7 @@ static int fuse_bufvec_advance(struct fuse_bufvec *bufv, size_t len)
return 1;
}
-ssize_t fuse_buf_copy(struct fuse_bufvec *dstv, struct fuse_bufvec *srcv,
- enum fuse_buf_copy_flags flags)
+ssize_t fuse_buf_copy(struct fuse_bufvec *dstv, struct fuse_bufvec *srcv)
{
size_t copied = 0;
@@ -249,7 +248,7 @@ ssize_t fuse_buf_copy(struct fuse_bufvec *dstv, struct fuse_bufvec *srcv,
dst_len = dst->size - dstv->off;
len = min_size(src_len, dst_len);
- res = fuse_buf_copy_one(dst, dstv->off, src, srcv->off, len, flags);
+ res = fuse_buf_copy_one(dst, dstv->off, src, srcv->off, len);
if (res < 0) {
if (!copied) {
return res;
diff --git a/tools/virtiofsd/fuse_common.h b/tools/virtiofsd/fuse_common.h
index bd9bf86..0cb33ac 100644
--- a/tools/virtiofsd/fuse_common.h
+++ b/tools/virtiofsd/fuse_common.h
@@ -605,48 +605,6 @@ enum fuse_buf_flags {
};
/**
- * Buffer copy flags
- */
-enum fuse_buf_copy_flags {
- /**
- * Don't use splice(2)
- *
- * Always fall back to using read and write instead of
- * splice(2) to copy data from one file descriptor to another.
- *
- * If this flag is not set, then only fall back if splice is
- * unavailable.
- */
- FUSE_BUF_NO_SPLICE = (1 << 1),
-
- /**
- * Force splice
- *
- * Always use splice(2) to copy data from one file descriptor
- * to another. If splice is not available, return -EINVAL.
- */
- FUSE_BUF_FORCE_SPLICE = (1 << 2),
-
- /**
- * Try to move data with splice.
- *
- * If splice is used, try to move pages from the source to the
- * destination instead of copying. See documentation of
- * SPLICE_F_MOVE in splice(2) man page.
- */
- FUSE_BUF_SPLICE_MOVE = (1 << 3),
-
- /**
- * Don't block on the pipe when copying data with splice
- *
- * Makes the operations on the pipe non-blocking (if the pipe
- * is full or empty). See SPLICE_F_NONBLOCK in the splice(2)
- * man page.
- */
- FUSE_BUF_SPLICE_NONBLOCK = (1 << 4),
-};
-
-/**
* Single data buffer
*
* Generic data buffer for I/O, extended attributes, etc... Data may
@@ -741,11 +699,9 @@ size_t fuse_buf_size(const struct fuse_bufvec *bufv);
*
* @param dst destination buffer vector
* @param src source buffer vector
- * @param flags flags controlling the copy
* @return actual number of bytes copied or -errno on error
*/
-ssize_t fuse_buf_copy(struct fuse_bufvec *dst, struct fuse_bufvec *src,
- enum fuse_buf_copy_flags flags);
+ssize_t fuse_buf_copy(struct fuse_bufvec *dst, struct fuse_bufvec *src);
/*
* Signal handling
diff --git a/tools/virtiofsd/fuse_lowlevel.c b/tools/virtiofsd/fuse_lowlevel.c
index eb0ec49..3da80de 100644
--- a/tools/virtiofsd/fuse_lowlevel.c
+++ b/tools/virtiofsd/fuse_lowlevel.c
@@ -490,16 +490,14 @@ static int fuse_send_data_iov_fallback(struct fuse_session *se,
static int fuse_send_data_iov(struct fuse_session *se, struct fuse_chan *ch,
struct iovec *iov, int iov_count,
- struct fuse_bufvec *buf, unsigned int flags)
+ struct fuse_bufvec *buf)
{
size_t len = fuse_buf_size(buf);
- (void)flags;
return fuse_send_data_iov_fallback(se, ch, iov, iov_count, buf, len);
}
-int fuse_reply_data(fuse_req_t req, struct fuse_bufvec *bufv,
- enum fuse_buf_copy_flags flags)
+int fuse_reply_data(fuse_req_t req, struct fuse_bufvec *bufv)
{
struct iovec iov[2];
struct fuse_out_header out;
@@ -511,7 +509,7 @@ int fuse_reply_data(fuse_req_t req, struct fuse_bufvec *bufv,
out.unique = req->unique;
out.error = 0;
- res = fuse_send_data_iov(req->se, req->ch, iov, 1, bufv, flags);
+ res = fuse_send_data_iov(req->se, req->ch, iov, 1, bufv);
if (res <= 0) {
fuse_free_req(req);
return res;
@@ -1969,8 +1967,7 @@ int fuse_lowlevel_notify_delete(struct fuse_session *se, fuse_ino_t parent,
}
int fuse_lowlevel_notify_store(struct fuse_session *se, fuse_ino_t ino,
- off_t offset, struct fuse_bufvec *bufv,
- enum fuse_buf_copy_flags flags)
+ off_t offset, struct fuse_bufvec *bufv)
{
struct fuse_out_header out;
struct fuse_notify_store_out outarg;
@@ -1999,7 +1996,7 @@ int fuse_lowlevel_notify_store(struct fuse_session *se, fuse_ino_t ino,
iov[1].iov_base = &outarg;
iov[1].iov_len = sizeof(outarg);
- res = fuse_send_data_iov(se, NULL, iov, 2, bufv, flags);
+ res = fuse_send_data_iov(se, NULL, iov, 2, bufv);
if (res > 0) {
res = -res;
}
diff --git a/tools/virtiofsd/fuse_lowlevel.h b/tools/virtiofsd/fuse_lowlevel.h
index 12a84b4..2fa225d 100644
--- a/tools/virtiofsd/fuse_lowlevel.h
+++ b/tools/virtiofsd/fuse_lowlevel.h
@@ -1363,33 +1363,6 @@ int fuse_reply_buf(fuse_req_t req, const char *buf, size_t size);
/**
* Reply with data copied/moved from buffer(s)
*
- * Zero copy data transfer ("splicing") will be used under
- * the following circumstances:
- *
- * 1. FUSE_CAP_SPLICE_WRITE is set in fuse_conn_info.want, and
- * 2. the kernel supports splicing from the fuse device
- * (FUSE_CAP_SPLICE_WRITE is set in fuse_conn_info.capable), and
- * 3. *flags* does not contain FUSE_BUF_NO_SPLICE
- * 4. The amount of data that is provided in file-descriptor backed
- * buffers (i.e., buffers for which bufv[n].flags == FUSE_BUF_FD)
- * is at least twice the page size.
- *
- * In order for SPLICE_F_MOVE to be used, the following additional
- * conditions have to be fulfilled:
- *
- * 1. FUSE_CAP_SPLICE_MOVE is set in fuse_conn_info.want, and
- * 2. the kernel supports it (i.e, FUSE_CAP_SPLICE_MOVE is set in
- fuse_conn_info.capable), and
- * 3. *flags* contains FUSE_BUF_SPLICE_MOVE
- *
- * Note that, if splice is used, the data is actually spliced twice:
- * once into a temporary pipe (to prepend header data), and then again
- * into the kernel. If some of the provided buffers are memory-backed,
- * the data in them is copied in step one and spliced in step two.
- *
- * The FUSE_BUF_SPLICE_FORCE_SPLICE and FUSE_BUF_SPLICE_NONBLOCK flags
- * are silently ignored.
- *
* Possible requests:
* read, readdir, getxattr, listxattr
*
@@ -1400,11 +1373,9 @@ int fuse_reply_buf(fuse_req_t req, const char *buf, size_t size);
*
* @param req request handle
* @param bufv buffer vector
- * @param flags flags controlling the copy
* @return zero for success, -errno for failure to send reply
*/
-int fuse_reply_data(fuse_req_t req, struct fuse_bufvec *bufv,
- enum fuse_buf_copy_flags flags);
+int fuse_reply_data(fuse_req_t req, struct fuse_bufvec *bufv);
/**
* Reply with data vector
@@ -1705,12 +1676,10 @@ int fuse_lowlevel_notify_delete(struct fuse_session *se, fuse_ino_t parent,
* @param ino the inode number
* @param offset the starting offset into the file to store to
* @param bufv buffer vector
- * @param flags flags controlling the copy
* @return zero for success, -errno for failure
*/
int fuse_lowlevel_notify_store(struct fuse_session *se, fuse_ino_t ino,
- off_t offset, struct fuse_bufvec *bufv,
- enum fuse_buf_copy_flags flags);
+ off_t offset, struct fuse_bufvec *bufv);
/*
* Utility functions
diff --git a/tools/virtiofsd/passthrough_ll.c b/tools/virtiofsd/passthrough_ll.c
index 9377718..126a56c 100644
--- a/tools/virtiofsd/passthrough_ll.c
+++ b/tools/virtiofsd/passthrough_ll.c
@@ -931,7 +931,7 @@ static void lo_read(fuse_req_t req, fuse_ino_t ino, size_t size, off_t offset,
buf.buf[0].fd = fi->fh;
buf.buf[0].pos = offset;
- fuse_reply_data(req, &buf, FUSE_BUF_SPLICE_MOVE);
+ fuse_reply_data(req, &buf);
}
static void lo_write_buf(fuse_req_t req, fuse_ino_t ino,
@@ -952,7 +952,7 @@ static void lo_write_buf(fuse_req_t req, fuse_ino_t ino,
out_buf.buf[0].size, (unsigned long)off);
}
- res = fuse_buf_copy(&out_buf, in_buf, 0);
+ res = fuse_buf_copy(&out_buf, in_buf);
if (res < 0) {
fuse_reply_err(req, -res);
} else {
--
1.8.3.1