|
 |
ddf19c |
From 983b383bc4a92a9f7ecff0332cadefed2f58f502 Mon Sep 17 00:00:00 2001
|
|
|
ddf19c |
From: "Dr. David Alan Gilbert" <dgilbert@redhat.com>
|
|
|
ddf19c |
Date: Mon, 27 Jan 2020 19:01:50 +0100
|
|
|
ddf19c |
Subject: [PATCH 079/116] virtiofsd: extract root inode init into setup_root()
|
|
|
ddf19c |
MIME-Version: 1.0
|
|
|
ddf19c |
Content-Type: text/plain; charset=UTF-8
|
|
|
ddf19c |
Content-Transfer-Encoding: 8bit
|
|
|
ddf19c |
|
|
|
ddf19c |
RH-Author: Dr. David Alan Gilbert <dgilbert@redhat.com>
|
|
|
ddf19c |
Message-id: <20200127190227.40942-76-dgilbert@redhat.com>
|
|
|
ddf19c |
Patchwork-id: 93527
|
|
|
ddf19c |
O-Subject: [RHEL-AV-8.2 qemu-kvm PATCH 075/112] virtiofsd: extract root inode init into setup_root()
|
|
|
ddf19c |
Bugzilla: 1694164
|
|
|
ddf19c |
RH-Acked-by: Philippe Mathieu-Daudé <philmd@redhat.com>
|
|
|
ddf19c |
RH-Acked-by: Stefan Hajnoczi <stefanha@redhat.com>
|
|
|
ddf19c |
RH-Acked-by: Sergio Lopez Pascual <slp@redhat.com>
|
|
|
ddf19c |
|
|
|
ddf19c |
From: Miklos Szeredi <mszeredi@redhat.com>
|
|
|
ddf19c |
|
|
|
ddf19c |
Inititialize the root inode in a single place.
|
|
|
ddf19c |
|
|
|
ddf19c |
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
|
|
|
ddf19c |
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
|
|
|
ddf19c |
dgilbert:
|
|
|
ddf19c |
with fix suggested by Misono Tomohiro <misono.tomohiro@jp.fujitsu.com>
|
|
|
ddf19c |
Reviewed-by: Misono Tomohiro <misono.tomohiro@jp.fujitsu.com>
|
|
|
ddf19c |
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
|
|
|
ddf19c |
(cherry picked from commit 3ca8a2b1c83eb185c232a4e87abbb65495263756)
|
|
|
ddf19c |
|
|
|
ddf19c |
Signed-off-by: Miroslav Rezanina <mrezanin@redhat.com>
|
|
|
ddf19c |
---
|
|
|
ddf19c |
tools/virtiofsd/passthrough_ll.c | 35 +++++++++++++++++++++++++----------
|
|
|
ddf19c |
1 file changed, 25 insertions(+), 10 deletions(-)
|
|
|
ddf19c |
|
|
|
ddf19c |
diff --git a/tools/virtiofsd/passthrough_ll.c b/tools/virtiofsd/passthrough_ll.c
|
|
|
ddf19c |
index 33bfb4d..9e7191e 100644
|
|
|
ddf19c |
--- a/tools/virtiofsd/passthrough_ll.c
|
|
|
ddf19c |
+++ b/tools/virtiofsd/passthrough_ll.c
|
|
|
ddf19c |
@@ -2351,6 +2351,30 @@ static void log_func(enum fuse_log_level level, const char *fmt, va_list ap)
|
|
|
ddf19c |
}
|
|
|
ddf19c |
}
|
|
|
ddf19c |
|
|
|
ddf19c |
+static void setup_root(struct lo_data *lo, struct lo_inode *root)
|
|
|
ddf19c |
+{
|
|
|
ddf19c |
+ int fd, res;
|
|
|
ddf19c |
+ struct stat stat;
|
|
|
ddf19c |
+
|
|
|
ddf19c |
+ fd = open("/", O_PATH);
|
|
|
ddf19c |
+ if (fd == -1) {
|
|
|
ddf19c |
+ fuse_log(FUSE_LOG_ERR, "open(%s, O_PATH): %m\n", lo->source);
|
|
|
ddf19c |
+ exit(1);
|
|
|
ddf19c |
+ }
|
|
|
ddf19c |
+
|
|
|
ddf19c |
+ res = fstatat(fd, "", &stat, AT_EMPTY_PATH | AT_SYMLINK_NOFOLLOW);
|
|
|
ddf19c |
+ if (res == -1) {
|
|
|
ddf19c |
+ fuse_log(FUSE_LOG_ERR, "fstatat(%s): %m\n", lo->source);
|
|
|
ddf19c |
+ exit(1);
|
|
|
ddf19c |
+ }
|
|
|
ddf19c |
+
|
|
|
ddf19c |
+ root->is_symlink = false;
|
|
|
ddf19c |
+ root->fd = fd;
|
|
|
ddf19c |
+ root->ino = stat.st_ino;
|
|
|
ddf19c |
+ root->dev = stat.st_dev;
|
|
|
ddf19c |
+ root->refcount = 2;
|
|
|
ddf19c |
+}
|
|
|
ddf19c |
+
|
|
|
ddf19c |
int main(int argc, char *argv[])
|
|
|
ddf19c |
{
|
|
|
ddf19c |
struct fuse_args args = FUSE_ARGS_INIT(argc, argv);
|
|
|
ddf19c |
@@ -2426,8 +2450,6 @@ int main(int argc, char *argv[])
|
|
|
ddf19c |
if (lo.debug) {
|
|
|
ddf19c |
current_log_level = FUSE_LOG_DEBUG;
|
|
|
ddf19c |
}
|
|
|
ddf19c |
- lo.root.refcount = 2;
|
|
|
ddf19c |
-
|
|
|
ddf19c |
if (lo.source) {
|
|
|
ddf19c |
struct stat stat;
|
|
|
ddf19c |
int res;
|
|
|
ddf19c |
@@ -2446,7 +2468,6 @@ int main(int argc, char *argv[])
|
|
|
ddf19c |
} else {
|
|
|
ddf19c |
lo.source = "/";
|
|
|
ddf19c |
}
|
|
|
ddf19c |
- lo.root.is_symlink = false;
|
|
|
ddf19c |
if (!lo.timeout_set) {
|
|
|
ddf19c |
switch (lo.cache) {
|
|
|
ddf19c |
case CACHE_NEVER:
|
|
|
ddf19c |
@@ -2466,13 +2487,6 @@ int main(int argc, char *argv[])
|
|
|
ddf19c |
exit(1);
|
|
|
ddf19c |
}
|
|
|
ddf19c |
|
|
|
ddf19c |
- lo.root.fd = open(lo.source, O_PATH);
|
|
|
ddf19c |
-
|
|
|
ddf19c |
- if (lo.root.fd == -1) {
|
|
|
ddf19c |
- fuse_log(FUSE_LOG_ERR, "open(\"%s\", O_PATH): %m\n", lo.source);
|
|
|
ddf19c |
- exit(1);
|
|
|
ddf19c |
- }
|
|
|
ddf19c |
-
|
|
|
ddf19c |
se = fuse_session_new(&args, &lo_oper, sizeof(lo_oper), &lo);
|
|
|
ddf19c |
if (se == NULL) {
|
|
|
ddf19c |
goto err_out1;
|
|
|
ddf19c |
@@ -2495,6 +2509,7 @@ int main(int argc, char *argv[])
|
|
|
ddf19c |
|
|
|
ddf19c |
setup_sandbox(&lo, se, opts.syslog);
|
|
|
ddf19c |
|
|
|
ddf19c |
+ setup_root(&lo, &lo.root);
|
|
|
ddf19c |
/* Block until ctrl+c or fusermount -u */
|
|
|
ddf19c |
ret = virtio_loop(se);
|
|
|
ddf19c |
|
|
|
ddf19c |
--
|
|
|
ddf19c |
1.8.3.1
|
|
|
ddf19c |
|