From: Jevon Qiao <scaleqiao@gmail.com>
To: Greg Kurz <gkurz@linux.vnet.ibm.com>
Cc: haomaiwang@gmail.com, mst@redhat.com, qemu-devel@nongnu.org,
aneesh.kumar@linux.vnet.ibm.com, sage@newdream.net,
ceph-devel@vger.kernel.org, gfarnum@redhat.com
Subject: Re: [Qemu-devel] [PATCH] hw/9pfs: Add CephFS support in VirtFS
Date: Tue, 15 Mar 2016 21:39:45 +0800 [thread overview]
Message-ID: <56E810A1.3040602@gmail.com> (raw)
In-Reply-To: <20160315103051.46804035@bahia.huguette.org>
On 15/3/16 17:30, Greg Kurz wrote:
> On Tue, 15 Mar 2016 00:02:48 +0800
> Jevon Qiao <scaleqiao@gmail.com> wrote:
>
>> Ceph as a promising unified distributed storage system is widely used in the
>> world of OpenStack. OpenStack users deploying Ceph for block (Cinder) and
>> object (S3/Swift) are unsurprisingly looking at Manila and CephFS to round out
>> a unified storage solution. Since the typical hypervisor people are using is
>> Qemu/KVM, it is necessary to provide a high performance, easy to use, file
>> system service in it. VirtFS aims to offers paravirtualized system services and
>> simple passthrough for directories from host to guest, which currently only
>> support local file system, this patch wants to add CephFS support in VirtFS.
>>
>> Signed-off-by: Jevon Qiao <scaleqiao@gmail.com>
>> ---
> Hi Jevon,
>
> I just want to remind some rules about posting patches:
> - add a version when you post another iteration of the same patch or series
> Looking at "Add CephFS support in VirtFS" in the archives, it seems it is v3
> - provide a list of the changes that were applied since the previous version
> This list should be added below the --- of the patch changelog.
> Something like:
>
> v3: - fixed format errors
> - dropped extraneous -lrados from configure script
> - bla bla ...
Thank you for telling me this, I'll do it in the next revision if there
is, is it OK?
> I'll try to review this soon, but in any case it is 2.7 material.
What does '2.7 material' mean?
Thanks,
Jevon
> Cheers.
>
> --
> Greg
>
>> configure | 33 ++
>> fsdev/qemu-fsdev.c | 1 +
>> fsdev/qemu-fsdev.h | 3 +-
>> hw/9pfs/9p-cephfs.c | 836 ++++++++++++++++++++++++++++++++++++++
>> hw/9pfs/Makefile.objs | 3 +
>> scripts/analyse-9p-simpletrace.py | 213 ----------
>> scripts/analyze-9p-simpletrace.py | 306 ++++++++++++++
>> trace-events | 33 ++
>> 8 files changed, 1214 insertions(+), 214 deletions(-)
>> create mode 100644 hw/9pfs/9p-cephfs.c
>> delete mode 100755 scripts/analyse-9p-simpletrace.py
>> create mode 100755 scripts/analyze-9p-simpletrace.py
>>
>> diff --git a/configure b/configure
>> index 0c0472a..c48f1af 100755
>> --- a/configure
>> +++ b/configure
>> @@ -275,6 +275,7 @@ trace_backends="log"
>> trace_file="trace"
>> spice=""
>> rbd=""
>> +cephfs=""
>> smartcard=""
>> libusb=""
>> usb_redir=""
>> @@ -1019,6 +1020,10 @@ for opt do
>> ;;
>> --enable-rbd) rbd="yes"
>> ;;
>> + --disable-cephfs) cephfs="no"
>> + ;;
>> + --enable-cephfs) cephfs="yes"
>> + ;;
>> --disable-xfsctl) xfs="no"
>> ;;
>> --enable-xfsctl) xfs="yes"
>> @@ -1345,6 +1350,7 @@ disabled with --disable-FEATURE, default is enabled if available:
>> vhost-net vhost-net acceleration support
>> spice spice
>> rbd rados block device (rbd)
>> + cephfs Ceph File System
>> libiscsi iscsi support
>> libnfs nfs support
>> smartcard smartcard support (libcacard)
>> @@ -3087,6 +3093,28 @@ EOF
>> fi
>>
>> ##########################################
>> +# cephfs probe
>> +if test "$cephfs" != "no" ; then
>> + cat > $TMPC <<EOF
>> +#include <stdio.h>
>> +#include <cephfs/libcephfs.h>
>> +int main(void) {
>> + struct ceph_mount_info *cmount;
>> + ceph_create(&cmount, NULL);
>> + return 0;
>> +}
>> +EOF
>> + cephfs_libs="-lcephfs"
>> + if compile_prog "" "$cephfs_libs" ; then
>> + cephfs=yes
>> + else
>> + if test "$cephfs" = "yes" ; then
>> + feature_not_found "cephfs" "Install libcephfs/ceph devel"
>> + fi
>> + cephfs=no
>> + fi
>> +fi
>> +##########################################
>> # libssh2 probe
>> min_libssh2_version=1.2.8
>> if test "$libssh2" != "no" ; then
>> @@ -4760,6 +4788,7 @@ else
>> echo "spice support $spice"
>> fi
>> echo "rbd support $rbd"
>> +echo "cephfs support $cephfs"
>> echo "xfsctl support $xfs"
>> echo "smartcard support $smartcard"
>> echo "libusb $libusb"
>> @@ -5224,6 +5253,10 @@ if test "$rbd" = "yes" ; then
>> echo "RBD_CFLAGS=$rbd_cflags" >> $config_host_mak
>> echo "RBD_LIBS=$rbd_libs" >> $config_host_mak
>> fi
>> +if test "$cephfs" = "yes" ; then
>> + echo "CONFIG_CEPHFS=m" >> $config_host_mak
>> + echo "CEPHFS_LIBS=$cephfs_libs" >> $config_host_mak
>> +fi
>>
>> echo "CONFIG_COROUTINE_BACKEND=$coroutine" >> $config_host_mak
>> if test "$coroutine_pool" = "yes" ; then
>> diff --git a/fsdev/qemu-fsdev.c b/fsdev/qemu-fsdev.c
>> index bf7f0b0..7f07a2a 100644
>> --- a/fsdev/qemu-fsdev.c
>> +++ b/fsdev/qemu-fsdev.c
>> @@ -27,6 +27,7 @@ static FsDriverTable FsDrivers[] = {
>> #endif
>> { .name = "synth", .ops = &synth_ops},
>> { .name = "proxy", .ops = &proxy_ops},
>> + { .name = "cephfs", .ops = &cephfs_ops},
>> };
>>
>> int qemu_fsdev_add(QemuOpts *opts)
>> diff --git a/fsdev/qemu-fsdev.h b/fsdev/qemu-fsdev.h
>> index 9fa45bf..86a17b8 100644
>> --- a/fsdev/qemu-fsdev.h
>> +++ b/fsdev/qemu-fsdev.h
>> @@ -22,7 +22,7 @@
>> * fstype | ops
>> * -----------------
>> * local | local_ops
>> - * . |
>> + * cephfs| cephfs_ops
>> * . |
>> * . |
>> * . |
>> @@ -45,4 +45,5 @@ extern FileOperations local_ops;
>> extern FileOperations handle_ops;
>> extern FileOperations synth_ops;
>> extern FileOperations proxy_ops;
>> +extern FileOperations cephfs_ops;
>> #endif
>> diff --git a/hw/9pfs/9p-cephfs.c b/hw/9pfs/9p-cephfs.c
>> new file mode 100644
>> index 0000000..e2d659d
>> --- /dev/null
>> +++ b/hw/9pfs/9p-cephfs.c
>> @@ -0,0 +1,836 @@
>> +/*
>> + * 9p cephfs callback
>> + *
>> + * Copyright UnitedStack, Corp. 2016
>> + *
>> + * Authors:
>> + * Jevon Qiao <scaleqiao@gmail.com>
>> + *
>> + * This work is licensed under the terms of the GNU GPL, version 2. See
>> + * the COPYING file in the top-level directory.
>> + *
>> + */
>> +
>> +#include "qemu/osdep.h"
>> +#include "qemu/iov.h"
>> +#include "9p.h"
>> +#include "9p-xattr.h"
>> +#include "trace.h"
>> +#include <cephfs/libcephfs.h>
>> +#include "fsdev/qemu-fsdev.h" /* cephfs_ops */
>> +#include <arpa/inet.h>
>> +#include <pwd.h>
>> +#include <grp.h>
>> +#include <sys/socket.h>
>> +#include <sys/un.h>
>> +#include "qemu/xattr.h"
>> +#include "qemu/error-report.h"
>> +#include <libgen.h>
>> +#include <unistd.h>
>> +#include <linux/fs.h>
>> +#ifdef CONFIG_LINUX_MAGIC_H
>> +#include <linux/magic.h>
>> +#endif
>> +#include <sys/ioctl.h>
>> +
>> +#define CEPH_VER_LEN 32
>> +#define MON_NAME_LEN 32
>> +#define MON_SECRET_LEN 64
>> +
>> +#ifndef LIBCEPHFS_VERSION
>> +#define LIBCEPHFS_VERSION(maj, min, extra) ((maj << 16) + (min << 8) + extra)
>> +#define LIBCEPHFS_VERSION_CODE LIBCEPHFS_VERSION(0, 0, 0)
>> +#endif
>> +
>> +#if defined(LIBCEPHFS_VERSION) && LIBCEPHFS_VERSION_CODE >= \
>> +LIBCEPHFS_VERSION(10, 0, 2)
>> +#define HAVE_CEPH_READV 1
>> +#endif
>> +
>> +struct cephfs_data {
>> + int major, minor, patch;
>> + char ceph_version[CEPH_VER_LEN];
>> + struct ceph_mount_info *cmount;
>> +};
>> +
>> +static int cephfs_update_file_cred(struct ceph_mount_info *cmount,
>> + const char *name, FsCred *credp)
>> +{
>> + int fd, ret;
>> + fd = ceph_open(cmount, name, O_NONBLOCK | O_NOFOLLOW, credp->fc_mode);
>> + if (fd < 0) {
>> + return fd;
>> + }
>> + ret = ceph_fchown(cmount, fd, credp->fc_uid, credp->fc_gid);
>> + if (ret < 0) {
>> + goto err_out;
>> + }
>> + ret = ceph_fchmod(cmount, fd, credp->fc_mode & 07777);
>> +err_out:
>> + close(fd);
>> + return ret;
>> +}
>> +
>> +static int cephfs_lstat(FsContext *fs_ctx, V9fsPath *fs_path,
>> + struct stat *stbuf)
>> +{
>> + int ret;
>> + char *path = fs_path->data;
>> + struct cephfs_data *cfsdata = fs_ctx->private;
>> +
>> + ret = ceph_lstat(cfsdata->cmount, path, stbuf);
>> + trace_cephfs_lstat_return(path, stbuf->st_mode, stbuf->st_uid,
>> + stbuf->st_gid, stbuf->st_size, ret);
>> + if (ret < 0) {
>> + errno = -ret;
>> + return -1;
>> + }
>> + return 0;
>> +}
>> +
>> +static ssize_t cephfs_readlink(FsContext *fs_ctx, V9fsPath *fs_path,
>> + char *buf, size_t bufsz)
>> +{
>> + int ret;
>> + char *path = fs_path->data;
>> + struct cephfs_data *cfsdata = fs_ctx->private;
>> +
>> + ret = ceph_readlink(cfsdata->cmount, path, buf, bufsz);
>> + trace_cephfs_readlink_return(path, ret);
>> + if (ret < 0) {
>> + errno = -ret;
>> + return -1;
>> + }
>> + return ret;
>> +}
>> +
>> +static int cephfs_close(FsContext *ctx, V9fsFidOpenState *fs)
>> +{
>> + int ret;
>> + struct cephfs_data *cfsdata = ctx->private;
>> +
>> + ret = ceph_close(cfsdata->cmount, fs->fd);
>> + if (ret < 0) {
>> + errno = -ret;
>> + return -1;
>> + }
>> + return 0;
>> +}
>> +
>> +static int cephfs_closedir(FsContext *ctx, V9fsFidOpenState *fs)
>> +{
>> + int ret;
>> + struct cephfs_data *cfsdata = ctx->private;
>> +
>> + ret = ceph_closedir(cfsdata->cmount, (struct ceph_dir_result *)fs->dir);
>> + if (ret < 0) {
>> + errno = -ret;
>> + return -1;
>> + }
>> + return 0;
>> +}
>> +
>> +static int cephfs_open(FsContext *ctx, V9fsPath *fs_path,
>> + int flags, V9fsFidOpenState *fs)
>> +{
>> + int ret;
>> + struct cephfs_data *cfsdata = ctx->private;
>> +
>> + ret = ceph_open(cfsdata->cmount, fs_path->data, flags, 0777);
>> + trace_cephfs_open_return(fs_path->data, flags, 0777, fs->fd);
>> + if (ret < 0) {
>> + errno = -ret;
>> + return -1;
>> + }
>> + fs->fd = ret;
>> + return ret;
>> +}
>> +
>> +static int cephfs_opendir(FsContext *ctx,
>> + V9fsPath *fs_path, V9fsFidOpenState *fs)
>> +{
>> + int ret;
>> + struct ceph_dir_result *result;
>> + struct cephfs_data *cfsdata = ctx->private;
>> + char *path = fs_path->data;
>> +
>> + ret = ceph_opendir(cfsdata->cmount, path, &result);
>> + trace_cephfs_opendir_return(path, ret);
>> + if (ret < 0) {
>> + errno = -ret;
>> + error_report("failed to open %s, %s", path, strerror(errno));
>> + return -1;
>> + }
>> + fs->dir = (DIR *)result;
>> + return 0;
>> +}
>> +
>> +static void cephfs_rewinddir(FsContext *ctx, V9fsFidOpenState *fs)
>> +{
>> + struct cephfs_data *cfsdata = ctx->private;
>> +
>> + trace_cephfs_rewinddir(fs->dir);
>> + ceph_rewinddir(cfsdata->cmount, (struct ceph_dir_result *)fs->dir);
>> +}
>> +
>> +static off_t cephfs_telldir(FsContext *ctx, V9fsFidOpenState *fs)
>> +{
>> + off_t ret;
>> + struct cephfs_data *cfsdata = ctx->private;
>> +
>> + trace_cephfs_telldir(fs->dir);
>> + ret = ceph_telldir(cfsdata->cmount, (struct ceph_dir_result *)fs->dir);
>> + if (ret < 0) {
>> + errno = -ret;
>> + return -1;
>> + }
>> + return ret;
>> +}
>> +
>> +static int cephfs_readdir_r(FsContext *ctx, V9fsFidOpenState *fs,
>> + struct dirent *entry,
>> + struct dirent **result)
>> +{
>> + int ret;
>> + struct cephfs_data *cfsdata = ctx->private;
>> +
>> + ret = ceph_readdir_r(cfsdata->cmount, (struct ceph_dir_result *)fs->dir,
>> + entry);
>> + if (ret > 0) {
>> + *result = entry;
>> + return 0;
>> + } else if (ret == 0) {
>> + *result = NULL;
>> + return 0;
>> + }
>> + errno = -ret;
>> + return -ret;
>> +}
>> +
>> +static void cephfs_seekdir(FsContext *ctx, V9fsFidOpenState *fs, off_t off)
>> +{
>> + struct cephfs_data *cfsdata = ctx->private;
>> +
>> + trace_cephfs_seekdir(fs->dir, off);
>> + ceph_seekdir(cfsdata->cmount, (struct ceph_dir_result *)fs->dir, off);
>> +}
>> +
>> +#ifndef HAVE_CEPH_READV
>> +static ssize_t ceph_preadv(struct ceph_mount_info *cmount, int fd,
>> + const struct iovec *iov, int iov_cnt,
>> + off_t offset)
>> +{
>> + ssize_t ret;
>> + size_t i;
>> + size_t len, tmp;
>> + void *buf;
>> + size_t bufoffset = 0;
>> +
>> + len = iov_size(iov, iov_cnt);
>> + buf = g_new0(uint8_t, len);
>> + ret = ceph_read(cmount, fd, buf, len, offset);
>> + if (ret < 0) {
>> + return ret;
>> + } else {
>> + tmp = ret;
>> + for (i = 0; (i < iov_cnt && tmp > 0); i++) {
>> + if (tmp < iov[i].iov_len) {
>> + memcpy(iov[i].iov_base, (buf + bufoffset), tmp);
>> + } else {
>> + memcpy(iov[i].iov_base, (buf + bufoffset), iov[i].iov_len);
>> + bufoffset += iov[i].iov_len;
>> + }
>> + tmp -= iov[i].iov_len;
>> + }
>> + }
>> +
>> + free(buf);
>> + return ret;
>> +}
>> +
>> +static ssize_t ceph_pwritev(struct ceph_mount_info *cmount, int fd,
>> + const struct iovec *iov, int iov_cnt,
>> + off_t offset)
>> +{
>> + ssize_t ret;
>> + size_t i;
>> + size_t len;
>> + void *buf;
>> + size_t bufoffset = 0;
>> +
>> + len = iov_size(iov, iov_cnt);
>> + buf = g_new0(uint8_t, len);
>> + for (i = 0; i < iov_cnt; i++) {
>> + memcpy((buf + bufoffset), iov[i].iov_base, iov[i].iov_len);
>> + bufoffset += iov[i].iov_len;
>> + }
>> + ret = ceph_write(cmount, fd, buf, len, offset);
>> +
>> + free(buf);
>> + return ret;
>> +}
>> +#endif
>> +
>> +static ssize_t cephfs_preadv(FsContext *ctx, V9fsFidOpenState *fs,
>> + const struct iovec *iov,
>> + int iovcnt, off_t offset)
>> +{
>> + ssize_t ret = 0;
>> + struct cephfs_data *cfsdata = ctx->private;
>> +
>> + trace_cephfs_preadv(iovcnt, iov_size(iov, iovcnt));
>> + if (iovcnt < 0) {
>> + errno = EINVAL;
>> + return -1;
>> + }
>> + ret = ceph_preadv(cfsdata->cmount, fs->fd, iov, iovcnt, offset);
>> + trace_cephfs_preadv_return(iovcnt, iov_size(iov, iovcnt), ret);
>> + if (ret < 0) {
>> + errno = -ret;
>> + return -1;
>> + }
>> + return ret;
>> +}
>> +
>> +static ssize_t cephfs_pwritev(FsContext *ctx, V9fsFidOpenState *fs,
>> + const struct iovec *iov,
>> + int iovcnt, off_t offset)
>> +{
>> + ssize_t ret = 0;
>> + struct cephfs_data *cfsdata = ctx->private;
>> +
>> + trace_cephfs_pwritev(iovcnt, iov_size(iov, iovcnt), offset);
>> + if (iovcnt < 0) {
>> + errno = EINVAL;
>> + return -1;
>> + }
>> + ret = ceph_pwritev(cfsdata->cmount, fs->fd, iov, iovcnt, offset);
>> + trace_cephfs_pwritev_return(iovcnt, iov_size(iov, iovcnt), offset, ret);
>> + if (ret < 0) {
>> + errno = -ret;
>> + return -1;
>> + }
>> +
>> +#ifdef CONFIG_SYNC_FILE_RANGE
>> + if (ret > 0 && ctx->export_flags & V9FS_IMMEDIATE_WRITEOUT) {
>> + /*
>> + * Initiate a writeback. This is not a data integrity sync.
>> + * We want to ensure that we don't leave dirty pages in the cache
>> + * after write when writeout=immediate is sepcified.
>> + */
>> + sync_file_range(fs->fd, offset, ret,
>> + SYNC_FILE_RANGE_WAIT_BEFORE | SYNC_FILE_RANGE_WRITE);
>> + }
>> +#endif
>> + return ret;
>> +}
>> +
>> +static int cephfs_chmod(FsContext *fs_ctx, V9fsPath *fs_path, FsCred *credp)
>> +{
>> + int ret;
>> + struct cephfs_data *cfsdata = fs_ctx->private;
>> +
>> + ret = ceph_chmod(cfsdata->cmount, fs_path->data, credp->fc_mode);
>> + trace_cephfs_chmod_return(fs_path->data, credp->fc_mode, ret);
>> + if (ret < 0) {
>> + errno = -ret;
>> + return -1;
>> + }
>> + return ret;
>> +}
>> +
>> +static int cephfs_mknod(FsContext *fs_ctx, V9fsPath *dir_path,
>> + const char *name, FsCred *credp)
>> +{
>> + int ret;
>> + V9fsString fullname;
>> + struct cephfs_data *cfsdata = fs_ctx->private;
>> +
>> + v9fs_string_init(&fullname);
>> + v9fs_string_sprintf(&fullname, "%s/%s", dir_path->data, name);
>> + ret = ceph_mknod(cfsdata->cmount, fullname.data, credp->fc_mode,
>> + credp->fc_rdev);
>> + trace_cephfs_mknod_return(fullname.data, credp->fc_mode,
>> + credp->fc_rdev, ret);
>> + v9fs_string_free(&fullname);
>> + if (ret < 0) {
>> + errno = -ret;
>> + return -1;
>> + }
>> + return ret;
>> +}
>> +
>> +static int cephfs_mkdir(FsContext *fs_ctx, V9fsPath *dir_path,
>> + const char *name, FsCred *credp)
>> +{
>> + int ret;
>> + V9fsString fullname;
>> + struct cephfs_data *cfsdata = fs_ctx->private;
>> +
>> + v9fs_string_init(&fullname);
>> + v9fs_string_sprintf(&fullname, "%s/%s", dir_path->data, name);
>> + ret = ceph_mkdir(cfsdata->cmount, fullname.data, credp->fc_mode);
>> + trace_cephfs_mkdir_return(fullname.data, credp->fc_mode, ret);
>> + v9fs_string_free(&fullname);
>> + if (ret < 0) {
>> + errno = -ret;
>> + return -1;
>> + }
>> + return ret;
>> +}
>> +
>> +static int cephfs_fstat(FsContext *fs_ctx, int fid_type,
>> + V9fsFidOpenState *fs, struct stat *stbuf)
>> +{
>> + int fd;
>> + int ret;
>> + struct cephfs_data *cfsdata = fs_ctx->private;
>> +
>> + if (fid_type == P9_FID_DIR) {
>> + fd = dirfd(fs->dir);
>> + } else {
>> + fd = fs->fd;
>> + }
>> + ret = ceph_fstat(cfsdata->cmount, fd, stbuf);
>> + trace_cephfs_fstat_return(fid_type, fd, stbuf->st_uid, stbuf->st_gid,
>> + stbuf->st_size, ret);
>> + if (ret < 0) {
>> + errno = -ret;
>> + return -1;
>> + }
>> + return ret;
>> +}
>> +
>> +static int cephfs_open2(FsContext *fs_ctx, V9fsPath *dir_path, const char *name,
>> + int flags, FsCred *credp, V9fsFidOpenState *fs)
>> +{
>> + int fd, ret;
>> + V9fsString fullname;
>> + struct cephfs_data *cfsdata = fs_ctx->private;
>> +
>> + v9fs_string_init(&fullname);
>> + v9fs_string_sprintf(&fullname, "%s/%s", dir_path->data, name);
>> + fd = ceph_open(cfsdata->cmount, fullname.data, flags, credp->fc_mode);
>> + trace_cephfs_open2_return(fullname.data, flags, credp->fc_mode);
>> + v9fs_string_free(&fullname);
>> + if (fd >= 0) {
>> + /* After creating the file, need to set the cred */
>> + ret = cephfs_update_file_cred(cfsdata->cmount, name, credp);
>> + if (ret < 0) {
>> + ceph_close(cfsdata->cmount, fd);
>> + errno = -ret;
>> + fd = -1;
>> + } else {
>> + fs->fd = fd;
>> + }
>> + } else {
>> + errno = -fd;
>> + return -1;
>> + }
>> +
>> + return fd;
>> +}
>> +
>> +static int cephfs_symlink(FsContext *fs_ctx, const char *oldpath,
>> + V9fsPath *dir_path, const char *name, FsCred *credp)
>> +{
>> + int ret;
>> + V9fsString fullname;
>> + struct cephfs_data *cfsdata = fs_ctx->private;
>> +
>> + v9fs_string_init(&fullname);
>> + v9fs_string_sprintf(&fullname, "%s/%s", dir_path->data, name);
>> + ret = ceph_symlink(cfsdata->cmount, oldpath, fullname.data);
>> + trace_cephfs_symlink_return(oldpath, fullname.data, ret);
>> + v9fs_string_free(&fullname);
>> + if (ret < 0) {
>> + errno = -ret;
>> + return -1;
>> + }
>> + return ret;
>> +}
>> +
>> +static int cephfs_link(FsContext *ctx, V9fsPath *oldpath,
>> + V9fsPath *dirpath, const char *name)
>> +{
>> + int ret;
>> + V9fsString newpath;
>> + struct cephfs_data *cfsdata = ctx->private;
>> +
>> + v9fs_string_init(&newpath);
>> + v9fs_string_sprintf(&newpath, "%s/%s", dirpath->data, name);
>> + ret = ceph_link(cfsdata->cmount, oldpath->data, newpath.data);
>> + trace_cephfs_link_return(oldpath->data, newpath.data, ret);
>> + v9fs_string_free(&newpath);
>> + if (ret < 0) {
>> + errno = -ret;
>> + return -1;
>> + }
>> + return ret;
>> +}
>> +
>> +static int cephfs_truncate(FsContext *ctx, V9fsPath *fs_path, off_t size)
>> +{
>> + int ret;
>> + struct cephfs_data *cfsdata = ctx->private;
>> +
>> + ret = ceph_truncate(cfsdata->cmount, fs_path->data, size);
>> + trace_cephfs_truncate_return(fs_path->data, size, ret);
>> + if (ret < 0) {
>> + errno = -ret;
>> + return -1;
>> + }
>> + return ret;
>> +}
>> +
>> +static int cephfs_rename(FsContext *ctx, const char *oldpath,
>> + const char *newpath)
>> +{
>> + int ret;
>> + struct cephfs_data *cfsdata = ctx->private;
>> +
>> + ret = ceph_rename(cfsdata->cmount, oldpath, newpath);
>> + trace_cephfs_rename_return(oldpath, newpath, ret);
>> + if (ret < 0) {
>> + errno = -ret;
>> + return -1;
>> + }
>> + return ret;
>> +}
>> +
>> +static int cephfs_chown(FsContext *fs_ctx, V9fsPath *fs_path, FsCred *credp)
>> +{
>> + int ret;
>> + struct cephfs_data *cfsdata = fs_ctx->private;
>> +
>> + ret = ceph_chown(cfsdata->cmount, fs_path->data, credp->fc_uid,
>> + credp->fc_gid);
>> + trace_cephfs_chown_return(fs_path->data, credp->fc_uid, credp->fc_gid, ret);
>> + if (ret < 0) {
>> + errno = -ret;
>> + return -1;
>> + }
>> + return ret;
>> +}
>> +
>> +static int cephfs_utimensat(FsContext *ctx, V9fsPath *fs_path,
>> + const struct timespec *buf)
>> +{
>> + int ret;
>> +
>> +#ifdef CONFIG_UTIMENSAT
>> + struct cephfs_data *cfsdata = ctx->private;
>> +
>> + ret = ceph_utime(cfsdata->cmount, fs_path->data, (struct utimbuf *)buf);
>> + trace_cephfs_utimensat_return(fs_path->data, ret);
>> + if (ret < 0) {
>> + errno = -ret;
>> + return -1;
>> + }
>> +#else
>> + ret = -1;
>> + errno = ENOSYS;
>> +#endif
>> +
>> + return ret;
>> +}
>> +
>> +static int cephfs_remove(FsContext *ctx, const char *path)
>> +{
>> + errno = EOPNOTSUPP;
>> + return -1;
>> +}
>> +
>> +static int cephfs_fsync(FsContext *ctx, int fid_type,
>> + V9fsFidOpenState *fs, int datasync)
>> +{
>> + int ret, fd;
>> + struct cephfs_data *cfsdata = ctx->private;
>> +
>> + if (fid_type == P9_FID_DIR) {
>> + fd = dirfd(fs->dir);
>> + } else {
>> + fd = fs->fd;
>> + }
>> + ret = ceph_fsync(cfsdata->cmount, fd, datasync);
>> + trace_cephfs_fsync_return(fd, datasync, ret);
>> + if (ret < 0) {
>> + errno = -ret;
>> + return -1;
>> + }
>> + return ret;
>> +}
>> +
>> +static int cephfs_statfs(FsContext *ctx, V9fsPath *fs_path,
>> + struct statfs *stbuf)
>> +{
>> + int ret;
>> + char *path = fs_path->data;
>> + struct cephfs_data *cfsdata = ctx->private;
>> +
>> + ret = ceph_statfs(cfsdata->cmount, path, (struct statvfs *)stbuf);
>> + if (ret < 0) {
>> + error_report("cephfs_statfs failed for %s, %s", path, strerror(errno));
>> + errno = -ret;
>> + return -1;
>> + }
>> + return ret;
>> +}
>> +
>> +/*
>> + * Get the extended attribute of normal file, if the path refer to a symbolic
>> + * link, just return the extended attributes of the syslink rather than the
>> + * attributes of the link itself.
>> + */
>> +static ssize_t cephfs_lgetxattr(FsContext *ctx, V9fsPath *fs_path,
>> + const char *name, void *value, size_t size)
>> +{
>> + int ret;
>> + char *path = fs_path->data;
>> + struct cephfs_data *cfsdata = ctx->private;
>> +
>> + ret = ceph_lgetxattr(cfsdata->cmount, path, name, value, size);
>> + trace_cephfs_lgetxattr_return(path, name, ret);
>> + if (ret < 0) {
>> + errno = -ret;
>> + return -1;
>> + }
>> + return ret;
>> +}
>> +
>> +static ssize_t cephfs_llistxattr(FsContext *ctx, V9fsPath *fs_path,
>> + void *value, size_t size)
>> +{
>> + int ret;
>> + struct cephfs_data *cfsdata = ctx->private;
>> +
>> + ret = ceph_llistxattr(cfsdata->cmount, fs_path->data, value, size);
>> + trace_cephfs_llistxattr_return(fs_path->data, ret);
>> + if (ret < 0) {
>> + errno = -ret;
>> + return -1;
>> + }
>> + return ret;
>> +}
>> +
>> +static int cephfs_lsetxattr(FsContext *ctx, V9fsPath *fs_path, const char *name,
>> + void *value, size_t size, int flags)
>> +{
>> + int ret;
>> + struct cephfs_data *cfsdata = ctx->private;
>> +
>> + ret = ceph_lsetxattr(cfsdata->cmount, fs_path->data, name, value, size,
>> + flags);
>> + trace_cephfs_lsetxattr_return(fs_path->data, name, flags, ret);
>> + if (ret < 0) {
>> + errno = -ret;
>> + return -1;
>> + }
>> + return ret;
>> +}
>> +
>> +static int cephfs_lremovexattr(FsContext *ctx, V9fsPath *fs_path,
>> + const char *name)
>> +{
>> + int ret;
>> + struct cephfs_data *cfsdata = ctx->private;
>> +
>> + ret = ceph_lremovexattr(cfsdata->cmount, fs_path->data, name);
>> + trace_cephfs_lremovexattr_return(fs_path->data, name, ret);
>> + if (ret < 0) {
>> + errno = -ret;
>> + return -1;
>> + }
>> + return ret;
>> +}
>> +
>> +static int cephfs_name_to_path(FsContext *ctx, V9fsPath *dir_path,
>> + const char *name, V9fsPath *target)
>> +{
>> + if (dir_path) {
>> + v9fs_string_sprintf((V9fsString *)target, "%s/%s",
>> + dir_path->data, name);
>> + } else {
>> + /* if the path does not start from '/' */
>> + v9fs_string_sprintf((V9fsString *)target, "%s", name);
>> + }
>> +
>> + /* Bump the size for including terminating NULL */
>> + target->size++;
>> + return 0;
>> +}
>> +
>> +static int cephfs_renameat(FsContext *ctx, V9fsPath *olddir,
>> + const char *old_name, V9fsPath *newdir,
>> + const char *new_name)
>> +{
>> + int ret = -1;
>> + struct cephfs_data *cfsdata = ctx->private;
>> +
>> + ret = ceph_rename(cfsdata->cmount, old_name, new_name);
>> + trace_cephfs_renameat_return(old_name, new_name, ret);
>> + if (ret < 0) {
>> + errno = -ret;
>> + return -1;
>> + }
>> + return ret;
>> +}
>> +
>> +static int cephfs_unlinkat(FsContext *ctx, V9fsPath *dir,
>> + const char *name, int flags)
>> +{
>> + int ret = 0;
>> + char *path = dir->data;
>> + struct stat fstat;
>> + V9fsString fullname;
>> + struct cephfs_data *cfsdata = ctx->private;
>> +
>> + v9fs_string_init(&fullname);
>> + v9fs_string_sprintf(&fullname, "%s/%s", dir->data, name);
>> + path = fullname.data;
>> + /* determine which kind of file is being destroyed */
>> + ret = ceph_lstat(cfsdata->cmount, path, &fstat);
>> + if (!ret) {
>> + switch (fstat.st_mode & S_IFMT) {
>> + case S_IFDIR:
>> + ret = ceph_rmdir(cfsdata->cmount, path);
>> + break;
>> +
>> + case S_IFBLK:
>> + case S_IFCHR:
>> + case S_IFIFO:
>> + case S_IFLNK:
>> + case S_IFREG:
>> + case S_IFSOCK:
>> + ret = ceph_unlink(cfsdata->cmount, path);
>> + break;
>> +
>> + default:
>> + error_report("ceph_lstat unknown stmode %s, %s", path,
>> + strerror(errno));
>> + break;
>> + }
>> + if (ret < 0) {
>> + errno = -ret;
>> + ret = -1;
>> + }
>> + } else {
>> + errno = -ret;
>> + ret = -1;
>> + }
>> + trace_cephfs_unlinkat_return(path, fstat.st_mode, ret);
>> +
>> + v9fs_string_free(&fullname);
>> + return ret;
>> +}
>> +
>> +/*
>> + * Do two things in the init function:
>> + * 1) Create a mount handle used by all cephfs interfaces.
>> + * 2) Invoke ceph_mount() to initialize a link between the client and
>> + * ceph monitor
>> + */
>> +static int cephfs_init(FsContext *ctx)
>> +{
>> + int ret;
>> + const char *ver = NULL;
>> + struct cephfs_data *data = g_malloc(sizeof(struct cephfs_data));
>> +
>> + if (data == NULL) {
>> + errno = ENOMEM;
>> + return -1;
>> + }
>> + trace_cephfs_init(ctx->fs_root);
>> + memset(data, 0, sizeof(struct cephfs_data));
>> + ret = ceph_create(&data->cmount, NULL);
>> + if (ret < 0) {
>> + errno = -ret;
>> + error_report("ceph_create failed %s", strerror(errno));
>> + goto err_out;
>> + }
>> +
>> + ret = ceph_conf_read_file(data->cmount, NULL);
>> + if (ret) {
>> + errno = -ret;
>> + error_report("ceph_conf_read_file failed %s", strerror(errno));
>> + goto err_out;
>> + }
>> +
>> + ret = ceph_mount(data->cmount, ctx->fs_root);
>> + if (ret) {
>> + errno = -ret;
>> + error_report("ceph_mount failed %s", strerror(errno));
>> + goto err_out;
>> + } else {
>> + ctx->private = data;
>> + /* CephFS does not support FS_IOC_GETVERSION */
>> + ctx->exops.get_st_gen = NULL;
>> + goto out;
>> + }
>> +
>> + ver = ceph_version(&data->major, &data->minor, &data->patch);
>> + memcpy(data->ceph_version, ver, strlen(ver) + 1);
>> +
>> +err_out:
>> + g_free(data);
>> +out:
>> + return ret;
>> +}
>> +
>> +static int cephfs_parse_opts(QemuOpts *opts, struct FsDriverEntry *fse)
>> +{
>> + const char *sec_model = qemu_opt_get(opts, "security_model");
>> + const char *path = qemu_opt_get(opts, "path");
>> +
>> + if (!sec_model) {
>> + error_report("Invalid argument security_model specified "
>> + "with cephfs fsdriver");
>> + return -1;
>> + }
>> +
>> + if (!path) {
>> + error_report("fsdev: No path specified.");
>> + return -1;
>> + }
>> +
>> + fse->path = g_strdup(path);
>> + return 0;
>> +}
>> +
>> +FileOperations cephfs_ops = {
>> + .parse_opts = cephfs_parse_opts,
>> + .init = cephfs_init,
>> + .lstat = cephfs_lstat,
>> + .readlink = cephfs_readlink,
>> + .close = cephfs_close,
>> + .closedir = cephfs_closedir,
>> + .open = cephfs_open,
>> + .opendir = cephfs_opendir,
>> + .rewinddir = cephfs_rewinddir,
>> + .telldir = cephfs_telldir,
>> + .readdir_r = cephfs_readdir_r,
>> + .seekdir = cephfs_seekdir,
>> + .preadv = cephfs_preadv,
>> + .pwritev = cephfs_pwritev,
>> + .chmod = cephfs_chmod,
>> + .mknod = cephfs_mknod,
>> + .mkdir = cephfs_mkdir,
>> + .fstat = cephfs_fstat,
>> + .open2 = cephfs_open2,
>> + .symlink = cephfs_symlink,
>> + .link = cephfs_link,
>> + .truncate = cephfs_truncate,
>> + .rename = cephfs_rename,
>> + .chown = cephfs_chown,
>> + .utimensat = cephfs_utimensat,
>> + .remove = cephfs_remove,
>> + .fsync = cephfs_fsync,
>> + .statfs = cephfs_statfs,
>> + .lgetxattr = cephfs_lgetxattr,
>> + .llistxattr = cephfs_llistxattr,
>> + .lsetxattr = cephfs_lsetxattr,
>> + .lremovexattr = cephfs_lremovexattr,
>> + .name_to_path = cephfs_name_to_path,
>> + .renameat = cephfs_renameat,
>> + .unlinkat = cephfs_unlinkat,
>> +};
>> diff --git a/hw/9pfs/Makefile.objs b/hw/9pfs/Makefile.objs
>> index da0ae0c..a77a6f4 100644
>> --- a/hw/9pfs/Makefile.objs
>> +++ b/hw/9pfs/Makefile.objs
>> @@ -5,5 +5,8 @@ common-obj-y += coth.o cofs.o codir.o cofile.o
>> common-obj-y += coxattr.o 9p-synth.o
>> common-obj-$(CONFIG_OPEN_BY_HANDLE) += 9p-handle.o
>> common-obj-y += 9p-proxy.o
>> +common-obj-y += 9p-cephfs.o
>>
>> obj-y += virtio-9p-device.o
>> +
>> +9p-cephfs.o-libs := $(CEPHFS_LIBS)
>> diff --git a/scripts/analyse-9p-simpletrace.py b/scripts/analyse-9p-simpletrace.py
>> deleted file mode 100755
>> index 3c3dee4..0000000
>> --- a/scripts/analyse-9p-simpletrace.py
>> +++ /dev/null
>> @@ -1,213 +0,0 @@
>> -#!/usr/bin/env python
>> -# Pretty print 9p simpletrace log
>> -# Usage: ./analyse-9p-simpletrace <trace-events> <trace-pid>
>> -#
>> -# Author: Harsh Prateek Bora
>> -import os
>> -import simpletrace
>> -
>> -symbol_9p = {
>> - 6 : 'TLERROR',
>> - 7 : 'RLERROR',
>> - 8 : 'TSTATFS',
>> - 9 : 'RSTATFS',
>> - 12 : 'TLOPEN',
>> - 13 : 'RLOPEN',
>> - 14 : 'TLCREATE',
>> - 15 : 'RLCREATE',
>> - 16 : 'TSYMLINK',
>> - 17 : 'RSYMLINK',
>> - 18 : 'TMKNOD',
>> - 19 : 'RMKNOD',
>> - 20 : 'TRENAME',
>> - 21 : 'RRENAME',
>> - 22 : 'TREADLINK',
>> - 23 : 'RREADLINK',
>> - 24 : 'TGETATTR',
>> - 25 : 'RGETATTR',
>> - 26 : 'TSETATTR',
>> - 27 : 'RSETATTR',
>> - 30 : 'TXATTRWALK',
>> - 31 : 'RXATTRWALK',
>> - 32 : 'TXATTRCREATE',
>> - 33 : 'RXATTRCREATE',
>> - 40 : 'TREADDIR',
>> - 41 : 'RREADDIR',
>> - 50 : 'TFSYNC',
>> - 51 : 'RFSYNC',
>> - 52 : 'TLOCK',
>> - 53 : 'RLOCK',
>> - 54 : 'TGETLOCK',
>> - 55 : 'RGETLOCK',
>> - 70 : 'TLINK',
>> - 71 : 'RLINK',
>> - 72 : 'TMKDIR',
>> - 73 : 'RMKDIR',
>> - 74 : 'TRENAMEAT',
>> - 75 : 'RRENAMEAT',
>> - 76 : 'TUNLINKAT',
>> - 77 : 'RUNLINKAT',
>> - 100 : 'TVERSION',
>> - 101 : 'RVERSION',
>> - 102 : 'TAUTH',
>> - 103 : 'RAUTH',
>> - 104 : 'TATTACH',
>> - 105 : 'RATTACH',
>> - 106 : 'TERROR',
>> - 107 : 'RERROR',
>> - 108 : 'TFLUSH',
>> - 109 : 'RFLUSH',
>> - 110 : 'TWALK',
>> - 111 : 'RWALK',
>> - 112 : 'TOPEN',
>> - 113 : 'ROPEN',
>> - 114 : 'TCREATE',
>> - 115 : 'RCREATE',
>> - 116 : 'TREAD',
>> - 117 : 'RREAD',
>> - 118 : 'TWRITE',
>> - 119 : 'RWRITE',
>> - 120 : 'TCLUNK',
>> - 121 : 'RCLUNK',
>> - 122 : 'TREMOVE',
>> - 123 : 'RREMOVE',
>> - 124 : 'TSTAT',
>> - 125 : 'RSTAT',
>> - 126 : 'TWSTAT',
>> - 127 : 'RWSTAT'
>> -}
>> -
>> -class VirtFSRequestTracker(simpletrace.Analyzer):
>> - def begin(self):
>> - print "Pretty printing 9p simpletrace log ..."
>> -
>> - def v9fs_rerror(self, tag, id, err):
>> - print "RERROR (tag =", tag, ", id =", symbol_9p[id], ", err = \"", os.strerror(err), "\")"
>> -
>> - def v9fs_version(self, tag, id, msize, version):
>> - print "TVERSION (tag =", tag, ", msize =", msize, ", version =", version, ")"
>> -
>> - def v9fs_version_return(self, tag, id, msize, version):
>> - print "RVERSION (tag =", tag, ", msize =", msize, ", version =", version, ")"
>> -
>> - def v9fs_attach(self, tag, id, fid, afid, uname, aname):
>> - print "TATTACH (tag =", tag, ", fid =", fid, ", afid =", afid, ", uname =", uname, ", aname =", aname, ")"
>> -
>> - def v9fs_attach_return(self, tag, id, type, version, path):
>> - print "RATTACH (tag =", tag, ", qid={type =", type, ", version =", version, ", path =", path, "})"
>> -
>> - def v9fs_stat(self, tag, id, fid):
>> - print "TSTAT (tag =", tag, ", fid =", fid, ")"
>> -
>> - def v9fs_stat_return(self, tag, id, mode, atime, mtime, length):
>> - print "RSTAT (tag =", tag, ", mode =", mode, ", atime =", atime, ", mtime =", mtime, ", length =", length, ")"
>> -
>> - def v9fs_getattr(self, tag, id, fid, request_mask):
>> - print "TGETATTR (tag =", tag, ", fid =", fid, ", request_mask =", hex(request_mask), ")"
>> -
>> - def v9fs_getattr_return(self, tag, id, result_mask, mode, uid, gid):
>> - print "RGETATTR (tag =", tag, ", result_mask =", hex(result_mask), ", mode =", oct(mode), ", uid =", uid, ", gid =", gid, ")"
>> -
>> - def v9fs_walk(self, tag, id, fid, newfid, nwnames):
>> - print "TWALK (tag =", tag, ", fid =", fid, ", newfid =", newfid, ", nwnames =", nwnames, ")"
>> -
>> - def v9fs_walk_return(self, tag, id, nwnames, qids):
>> - print "RWALK (tag =", tag, ", nwnames =", nwnames, ", qids =", hex(qids), ")"
>> -
>> - def v9fs_open(self, tag, id, fid, mode):
>> - print "TOPEN (tag =", tag, ", fid =", fid, ", mode =", oct(mode), ")"
>> -
>> - def v9fs_open_return(self, tag, id, type, version, path, iounit):
>> - print "ROPEN (tag =", tag, ", qid={type =", type, ", version =", version, ", path =", path, "}, iounit =", iounit, ")"
>> -
>> - def v9fs_lcreate(self, tag, id, dfid, flags, mode, gid):
>> - print "TLCREATE (tag =", tag, ", dfid =", dfid, ", flags =", oct(flags), ", mode =", oct(mode), ", gid =", gid, ")"
>> -
>> - def v9fs_lcreate_return(self, tag, id, type, version, path, iounit):
>> - print "RLCREATE (tag =", tag, ", qid={type =", type, ", version =", version, ", path =", path, "}, iounit =", iounit, ")"
>> -
>> - def v9fs_fsync(self, tag, id, fid, datasync):
>> - print "TFSYNC (tag =", tag, ", fid =", fid, ", datasync =", datasync, ")"
>> -
>> - def v9fs_clunk(self, tag, id, fid):
>> - print "TCLUNK (tag =", tag, ", fid =", fid, ")"
>> -
>> - def v9fs_read(self, tag, id, fid, off, max_count):
>> - print "TREAD (tag =", tag, ", fid =", fid, ", off =", off, ", max_count =", max_count, ")"
>> -
>> - def v9fs_read_return(self, tag, id, count, err):
>> - print "RREAD (tag =", tag, ", count =", count, ", err =", err, ")"
>> -
>> - def v9fs_readdir(self, tag, id, fid, offset, max_count):
>> - print "TREADDIR (tag =", tag, ", fid =", fid, ", offset =", offset, ", max_count =", max_count, ")"
>> -
>> - def v9fs_readdir_return(self, tag, id, count, retval):
>> - print "RREADDIR (tag =", tag, ", count =", count, ", retval =", retval, ")"
>> -
>> - def v9fs_write(self, tag, id, fid, off, count, cnt):
>> - print "TWRITE (tag =", tag, ", fid =", fid, ", off =", off, ", count =", count, ", cnt =", cnt, ")"
>> -
>> - def v9fs_write_return(self, tag, id, total, err):
>> - print "RWRITE (tag =", tag, ", total =", total, ", err =", err, ")"
>> -
>> - def v9fs_create(self, tag, id, fid, name, perm, mode):
>> - print "TCREATE (tag =", tag, ", fid =", fid, ", perm =", oct(perm), ", name =", name, ", mode =", oct(mode), ")"
>> -
>> - def v9fs_create_return(self, tag, id, type, version, path, iounit):
>> - print "RCREATE (tag =", tag, ", qid={type =", type, ", version =", version, ", path =", path, "}, iounit =", iounit, ")"
>> -
>> - def v9fs_symlink(self, tag, id, fid, name, symname, gid):
>> - print "TSYMLINK (tag =", tag, ", fid =", fid, ", name =", name, ", symname =", symname, ", gid =", gid, ")"
>> -
>> - def v9fs_symlink_return(self, tag, id, type, version, path):
>> - print "RSYMLINK (tag =", tag, ", qid={type =", type, ", version =", version, ", path =", path, "})"
>> -
>> - def v9fs_flush(self, tag, id, flush_tag):
>> - print "TFLUSH (tag =", tag, ", flush_tag =", flush_tag, ")"
>> -
>> - def v9fs_link(self, tag, id, dfid, oldfid, name):
>> - print "TLINK (tag =", tag, ", dfid =", dfid, ", oldfid =", oldfid, ", name =", name, ")"
>> -
>> - def v9fs_remove(self, tag, id, fid):
>> - print "TREMOVE (tag =", tag, ", fid =", fid, ")"
>> -
>> - def v9fs_wstat(self, tag, id, fid, mode, atime, mtime):
>> - print "TWSTAT (tag =", tag, ", fid =", fid, ", mode =", oct(mode), ", atime =", atime, "mtime =", mtime, ")"
>> -
>> - def v9fs_mknod(self, tag, id, fid, mode, major, minor):
>> - print "TMKNOD (tag =", tag, ", fid =", fid, ", mode =", oct(mode), ", major =", major, ", minor =", minor, ")"
>> -
>> - def v9fs_lock(self, tag, id, fid, type, start, length):
>> - print "TLOCK (tag =", tag, ", fid =", fid, "type =", type, ", start =", start, ", length =", length, ")"
>> -
>> - def v9fs_lock_return(self, tag, id, status):
>> - print "RLOCK (tag =", tag, ", status =", status, ")"
>> -
>> - def v9fs_getlock(self, tag, id, fid, type, start, length):
>> - print "TGETLOCK (tag =", tag, ", fid =", fid, "type =", type, ", start =", start, ", length =", length, ")"
>> -
>> - def v9fs_getlock_return(self, tag, id, type, start, length, proc_id):
>> - print "RGETLOCK (tag =", tag, "type =", type, ", start =", start, ", length =", length, ", proc_id =", proc_id, ")"
>> -
>> - def v9fs_mkdir(self, tag, id, fid, name, mode, gid):
>> - print "TMKDIR (tag =", tag, ", fid =", fid, ", name =", name, ", mode =", mode, ", gid =", gid, ")"
>> -
>> - def v9fs_mkdir_return(self, tag, id, type, version, path, err):
>> - print "RMKDIR (tag =", tag, ", qid={type =", type, ", version =", version, ", path =", path, "}, err =", err, ")"
>> -
>> - def v9fs_xattrwalk(self, tag, id, fid, newfid, name):
>> - print "TXATTRWALK (tag =", tag, ", fid =", fid, ", newfid =", newfid, ", xattr name =", name, ")"
>> -
>> - def v9fs_xattrwalk_return(self, tag, id, size):
>> - print "RXATTRWALK (tag =", tag, ", xattrsize =", size, ")"
>> -
>> - def v9fs_xattrcreate(self, tag, id, fid, name, size, flags):
>> - print "TXATTRCREATE (tag =", tag, ", fid =", fid, ", name =", name, ", xattrsize =", size, ", flags =", flags, ")"
>> -
>> - def v9fs_readlink(self, tag, id, fid):
>> - print "TREADLINK (tag =", tag, ", fid =", fid, ")"
>> -
>> - def v9fs_readlink_return(self, tag, id, target):
>> - print "RREADLINK (tag =", tag, ", target =", target, ")"
>> -
>> -simpletrace.run(VirtFSRequestTracker())
>> diff --git a/scripts/analyze-9p-simpletrace.py b/scripts/analyze-9p-simpletrace.py
>> new file mode 100755
>> index 0000000..e9c6737
>> --- /dev/null
>> +++ b/scripts/analyze-9p-simpletrace.py
>> @@ -0,0 +1,306 @@
>> +#!/usr/bin/env python
>> +# Pretty print 9p simpletrace log
>> +# Usage: ./analyse-9p-simpletrace <trace-events> <trace-pid>
>> +#
>> +# Author: Harsh Prateek Bora
>> +import os
>> +import simpletrace
>> +
>> +symbol_9p = {
>> + 6 : 'TLERROR',
>> + 7 : 'RLERROR',
>> + 8 : 'TSTATFS',
>> + 9 : 'RSTATFS',
>> + 12 : 'TLOPEN',
>> + 13 : 'RLOPEN',
>> + 14 : 'TLCREATE',
>> + 15 : 'RLCREATE',
>> + 16 : 'TSYMLINK',
>> + 17 : 'RSYMLINK',
>> + 18 : 'TMKNOD',
>> + 19 : 'RMKNOD',
>> + 20 : 'TRENAME',
>> + 21 : 'RRENAME',
>> + 22 : 'TREADLINK',
>> + 23 : 'RREADLINK',
>> + 24 : 'TGETATTR',
>> + 25 : 'RGETATTR',
>> + 26 : 'TSETATTR',
>> + 27 : 'RSETATTR',
>> + 30 : 'TXATTRWALK',
>> + 31 : 'RXATTRWALK',
>> + 32 : 'TXATTRCREATE',
>> + 33 : 'RXATTRCREATE',
>> + 40 : 'TREADDIR',
>> + 41 : 'RREADDIR',
>> + 50 : 'TFSYNC',
>> + 51 : 'RFSYNC',
>> + 52 : 'TLOCK',
>> + 53 : 'RLOCK',
>> + 54 : 'TGETLOCK',
>> + 55 : 'RGETLOCK',
>> + 70 : 'TLINK',
>> + 71 : 'RLINK',
>> + 72 : 'TMKDIR',
>> + 73 : 'RMKDIR',
>> + 74 : 'TRENAMEAT',
>> + 75 : 'RRENAMEAT',
>> + 76 : 'TUNLINKAT',
>> + 77 : 'RUNLINKAT',
>> + 100 : 'TVERSION',
>> + 101 : 'RVERSION',
>> + 102 : 'TAUTH',
>> + 103 : 'RAUTH',
>> + 104 : 'TATTACH',
>> + 105 : 'RATTACH',
>> + 106 : 'TERROR',
>> + 107 : 'RERROR',
>> + 108 : 'TFLUSH',
>> + 109 : 'RFLUSH',
>> + 110 : 'TWALK',
>> + 111 : 'RWALK',
>> + 112 : 'TOPEN',
>> + 113 : 'ROPEN',
>> + 114 : 'TCREATE',
>> + 115 : 'RCREATE',
>> + 116 : 'TREAD',
>> + 117 : 'RREAD',
>> + 118 : 'TWRITE',
>> + 119 : 'RWRITE',
>> + 120 : 'TCLUNK',
>> + 121 : 'RCLUNK',
>> + 122 : 'TREMOVE',
>> + 123 : 'RREMOVE',
>> + 124 : 'TSTAT',
>> + 125 : 'RSTAT',
>> + 126 : 'TWSTAT',
>> + 127 : 'RWSTAT'
>> +}
>> +
>> +class VirtFSRequestTracker(simpletrace.Analyzer):
>> + def begin(self):
>> + print "Pretty printing 9p simpletrace log ..."
>> +
>> + def v9fs_rerror(self, tag, id, err):
>> + print "RERROR (tag =", tag, ", id =", symbol_9p[id], ", err = \"", os.strerror(err), "\")"
>> +
>> + def v9fs_version(self, tag, id, msize, version):
>> + print "TVERSION (tag =", tag, ", msize =", msize, ", version =", version, ")"
>> +
>> + def v9fs_version_return(self, tag, id, msize, version):
>> + print "RVERSION (tag =", tag, ", msize =", msize, ", version =", version, ")"
>> +
>> + def v9fs_attach(self, tag, id, fid, afid, uname, aname):
>> + print "TATTACH (tag =", tag, ", fid =", fid, ", afid =", afid, ", uname =", uname, ", aname =", aname, ")"
>> +
>> + def v9fs_attach_return(self, tag, id, type, version, path):
>> + print "RATTACH (tag =", tag, ", qid={type =", type, ", version =", version, ", path =", path, "})"
>> +
>> + def v9fs_stat(self, tag, id, fid):
>> + print "TSTAT (tag =", tag, ", fid =", fid, ")"
>> +
>> + def v9fs_stat_return(self, tag, id, mode, atime, mtime, length):
>> + print "RSTAT (tag =", tag, ", mode =", mode, ", atime =", atime, ", mtime =", mtime, ", length =", length, ")"
>> +
>> + def v9fs_getattr(self, tag, id, fid, request_mask):
>> + print "TGETATTR (tag =", tag, ", fid =", fid, ", request_mask =", hex(request_mask), ")"
>> +
>> + def v9fs_getattr_return(self, tag, id, result_mask, mode, uid, gid):
>> + print "RGETATTR (tag =", tag, ", result_mask =", hex(result_mask), ", mode =", oct(mode), ", uid =", uid, ", gid =", gid, ")"
>> +
>> + def v9fs_walk(self, tag, id, fid, newfid, nwnames):
>> + print "TWALK (tag =", tag, ", fid =", fid, ", newfid =", newfid, ", nwnames =", nwnames, ")"
>> +
>> + def v9fs_walk_return(self, tag, id, nwnames, qids):
>> + print "RWALK (tag =", tag, ", nwnames =", nwnames, ", qids =", hex(qids), ")"
>> +
>> + def v9fs_open(self, tag, id, fid, mode):
>> + print "TOPEN (tag =", tag, ", fid =", fid, ", mode =", oct(mode), ")"
>> +
>> + def v9fs_open_return(self, tag, id, type, version, path, iounit):
>> + print "ROPEN (tag =", tag, ", qid={type =", type, ", version =", version, ", path =", path, "}, iounit =", iounit, ")"
>> +
>> + def v9fs_lcreate(self, tag, id, dfid, flags, mode, gid):
>> + print "TLCREATE (tag =", tag, ", dfid =", dfid, ", flags =", oct(flags), ", mode =", oct(mode), ", gid =", gid, ")"
>> +
>> + def v9fs_lcreate_return(self, tag, id, type, version, path, iounit):
>> + print "RLCREATE (tag =", tag, ", qid={type =", type, ", version =", version, ", path =", path, "}, iounit =", iounit, ")"
>> +
>> + def v9fs_fsync(self, tag, id, fid, datasync):
>> + print "TFSYNC (tag =", tag, ", fid =", fid, ", datasync =", datasync, ")"
>> +
>> + def v9fs_clunk(self, tag, id, fid):
>> + print "TCLUNK (tag =", tag, ", fid =", fid, ")"
>> +
>> + def v9fs_read(self, tag, id, fid, off, max_count):
>> + print "TREAD (tag =", tag, ", fid =", fid, ", off =", off, ", max_count =", max_count, ")"
>> +
>> + def v9fs_read_return(self, tag, id, count, err):
>> + print "RREAD (tag =", tag, ", count =", count, ", err =", err, ")"
>> +
>> + def v9fs_readdir(self, tag, id, fid, offset, max_count):
>> + print "TREADDIR (tag =", tag, ", fid =", fid, ", offset =", offset, ", max_count =", max_count, ")"
>> +
>> + def v9fs_readdir_return(self, tag, id, count, retval):
>> + print "RREADDIR (tag =", tag, ", count =", count, ", retval =", retval, ")"
>> +
>> + def v9fs_write(self, tag, id, fid, off, count, cnt):
>> + print "TWRITE (tag =", tag, ", fid =", fid, ", off =", off, ", count =", count, ", cnt =", cnt, ")"
>> +
>> + def v9fs_write_return(self, tag, id, total, err):
>> + print "RWRITE (tag =", tag, ", total =", total, ", err =", err, ")"
>> +
>> + def v9fs_create(self, tag, id, fid, name, perm, mode):
>> + print "TCREATE (tag =", tag, ", fid =", fid, ", perm =", oct(perm), ", name =", name, ", mode =", oct(mode), ")"
>> +
>> + def v9fs_create_return(self, tag, id, type, version, path, iounit):
>> + print "RCREATE (tag =", tag, ", qid={type =", type, ", version =", version, ", path =", path, "}, iounit =", iounit, ")"
>> +
>> + def v9fs_symlink(self, tag, id, fid, name, symname, gid):
>> + print "TSYMLINK (tag =", tag, ", fid =", fid, ", name =", name, ", symname =", symname, ", gid =", gid, ")"
>> +
>> + def v9fs_symlink_return(self, tag, id, type, version, path):
>> + print "RSYMLINK (tag =", tag, ", qid={type =", type, ", version =", version, ", path =", path, "})"
>> +
>> + def v9fs_flush(self, tag, id, flush_tag):
>> + print "TFLUSH (tag =", tag, ", flush_tag =", flush_tag, ")"
>> +
>> + def v9fs_link(self, tag, id, dfid, oldfid, name):
>> + print "TLINK (tag =", tag, ", dfid =", dfid, ", oldfid =", oldfid, ", name =", name, ")"
>> +
>> + def v9fs_remove(self, tag, id, fid):
>> + print "TREMOVE (tag =", tag, ", fid =", fid, ")"
>> +
>> + def v9fs_wstat(self, tag, id, fid, mode, atime, mtime):
>> + print "TWSTAT (tag =", tag, ", fid =", fid, ", mode =", oct(mode), ", atime =", atime, "mtime =", mtime, ")"
>> +
>> + def v9fs_mknod(self, tag, id, fid, mode, major, minor):
>> + print "TMKNOD (tag =", tag, ", fid =", fid, ", mode =", oct(mode), ", major =", major, ", minor =", minor, ")"
>> +
>> + def v9fs_lock(self, tag, id, fid, type, start, length):
>> + print "TLOCK (tag =", tag, ", fid =", fid, "type =", type, ", start =", start, ", length =", length, ")"
>> +
>> + def v9fs_lock_return(self, tag, id, status):
>> + print "RLOCK (tag =", tag, ", status =", status, ")"
>> +
>> + def v9fs_getlock(self, tag, id, fid, type, start, length):
>> + print "TGETLOCK (tag =", tag, ", fid =", fid, "type =", type, ", start =", start, ", length =", length, ")"
>> +
>> + def v9fs_getlock_return(self, tag, id, type, start, length, proc_id):
>> + print "RGETLOCK (tag =", tag, "type =", type, ", start =", start, ", length =", length, ", proc_id =", proc_id, ")"
>> +
>> + def v9fs_mkdir(self, tag, id, fid, name, mode, gid):
>> + print "TMKDIR (tag =", tag, ", fid =", fid, ", name =", name, ", mode =", mode, ", gid =", gid, ")"
>> +
>> + def v9fs_mkdir_return(self, tag, id, type, version, path, err):
>> + print "RMKDIR (tag =", tag, ", qid={type =", type, ", version =", version, ", path =", path, "}, err =", err, ")"
>> +
>> + def v9fs_xattrwalk(self, tag, id, fid, newfid, name):
>> + print "TXATTRWALK (tag =", tag, ", fid =", fid, ", newfid =", newfid, ", xattr name =", name, ")"
>> +
>> + def v9fs_xattrwalk_return(self, tag, id, size):
>> + print "RXATTRWALK (tag =", tag, ", xattrsize =", size, ")"
>> +
>> + def v9fs_xattrcreate(self, tag, id, fid, name, size, flags):
>> + print "TXATTRCREATE (tag =", tag, ", fid =", fid, ", name =", name, ", xattrsize =", size, ", flags =", flags, ")"
>> +
>> + def v9fs_readlink(self, tag, id, fid):
>> + print "TREADLINK (tag =", tag, ", fid =", fid, ")"
>> +
>> + def v9fs_readlink_return(self, tag, id, target):
>> + print "RREADLINK (tag =", tag, ", target =", target, ")"
>> +
>> + def cephfs_lstat_return(self, path, stmode, stuid, stgid, stsize, ret):
>> + print "RCEPHFSLSTAT (path =", path, ", stmode =", stmode, ", stuid =", stuid, ", stgid =", stgid, ", stsize =", stsize, ", ret =", ret, ")"
>> +
>> + def cephfs_readlink_return(self, path, ret):
>> + print "RCEPHFSREADLINK (path =", path, ", ret =", ret, ")"
>> +
>> + def cephfs_open_return(self, path, flags, mode, fd):
>> + print "RCEPHFSOPEN (path =", path, ", flags =", flags, ", mode =", mode, ", fd =", fd, ")"
>> +
>> + def cephfs_opendir_return(self, path, ret):
>> + print "RCEPHFSOPENDIR (path =", path, ", ret =", ret, ")"
>> +
>> + def cephfs_rewinddir(self, dir):
>> + print "TCEPHFSREWINDDIR (dir =", dir, ")"
>> +
>> + def cephfs_telldir(self, dir):
>> + print "TCEPHFSTELLDIR (dir =", dir, ")"
>> +
>> + def cephfs_readdir_r_return(self, tmpent, entry, ret):
>> + print "RCEPHFSREADDIRR (tmpent =", tmpent, ", entry =", entry, ", ret =", ret, ")"
>> +
>> + def cephfs_seekdir(self, dir, off):
>> + print "TCEPHFSSEEKDIR (dir =", dir, ", off =", off, ")"
>> +
>> + def cephfs_preadv(self, iovcnt, len):
>> + print "TCEPHFSPREADV (iovcnt=", iovcnt, ", len =", len, ")"
>> +
>> + def cephfs_preadv_return(self, iovcnt, len, ret):
>> + print "RCEPHFSPREADV (iovcnt=", iovcnt, ", len =", len, ", ret = ", ret, ")"
>> +
>> + def cephfs_pwritev(self, iovcnt, len, offset):
>> + print "TCEPHFSPWRITEV (iovcnt=", iovcnt, ", len =", len, ", offset =", offset, ")"
>> +
>> + def cephfs_pwritev_return(self, iovcnt, len, offset, ret):
>> + print "RCEPHFSPWRITEV (iovcnt=", iovcnt, ", len =", len, ", offset =", offset, ", ret = ", ret, ")"
>> +
>> + def cephfs_chmod_return(self, path, fcmode, ret):
>> + print "RCEPHFSCHMOD (path =", path, ", fcmode =", fcmode, ", ret =", ret, ")"
>> +
>> + def cephfs_mknod_return(self, path, fcmode, fcrdev, ret):
>> + print "RCEPHFSMKNOD (path =", path, ", fcmode =", fcmode, ", fcrdev =", fcrdev, ", ret =", ret, ")"
>> +
>> + def cephfs_mkdir_return(self, path, fcmode, ret):
>> + print "RCEPHFSMKDIR (path =", path, ", fcmode =", fcmode, ", ret =", ret, ")"
>> +
>> + def cephfs_fstat_return(self, fidtype, fd, stuid, stgid, stsize, ret):
>> + print "RCEPHFSFSTAT (fidtype =", fidtype, ", fd =", fd, ", stuid =", stuid, ", stgid =", stgid, ", stsize =", stsize, ", ret =", ret, ")"
>> +
>> + def cephfs_open2_return(self, path, flags, fcmode):
>> + print "RCEPHFSOPEN2 (path =", path, ", flags =", flags, "fcmode =", fcmode, ")"
>> +
>> + def cephfs_symlink_return(self, oldpath, path, ret):
>> + print "RCEPHFSSYMLINK (oldpath =", oldpath, ", path =", path, ", ret =", ret, ")"
>> +
>> + def cephfs_link_return(self, oldpath, path, ret):
>> + print "RCEPHFSLINK (oldpath =", oldpath, ", path =", path, ", ret =", ret, ")"
>> +
>> + def cephfs_truncate_return(self, path, size, ret):
>> + print "RCEPHFSTRUNCATE (path =", path, ", size =", size, ", ret =", ret, ")"
>> +
>> + def cephfs_rename_return(self, oldpath, newpath, ret):
>> + print "RCEPHFSRENAME (oldpath =", oldpath, ", newpath =", newpath, ", ret =", ret, ")"
>> +
>> + def cephfs_chown_return(self, path, fcuid, fcgid, ret):
>> + print "RCEPHFSCHOWN (path =", path, ", fcuid =", fcuid, ", fcgid =", fcgid, ", ret =", ret, ")"
>> +
>> + def cephfs_utimensat_return(self, path, ret):
>> + print "RCEPHFSUTIMENSAT (path =", path, ", ret =", ret, ")"
>> +
>> + def cephfs_fsync_return(self, fd, datasync, ret):
>> + print "RCEPHFSFSYNC (fd =", fd, ", datasync =", datasync, ", ret =", ret, ")"
>> +
>> + def cephfs_lgetxattr_return(self, path, name, ret):
>> + print "RCEPHFSLGETXATTR (path =", path, ", name =", name, ", ret =", ret, ")"
>> +
>> + def cephfs_llistxattr_return(self, path, ret):
>> + print "RCEPHFSLLISTXATTR (path =", path, ", ret =", ret, ")"
>> +
>> + def cephfs_lsetxattr_return(self, path, name, flags, ret):
>> + print "RCEPHFSLSETXATTR (path =", path, ", name =", name, ", flags =", flags, ", ret =", ret, ")"
>> +
>> + def cephfs_lremovexattr_return(self, path, name, ret):
>> + print "RCEPHFSLREMOVEXATTR (path =", path, ", name =", name, ", ret =", ret, ")"
>> +
>> + def cephfs_renameat_return(self, oldname, newname, ret):
>> + print "RCEPHFSRENAMEAT (oldname =", oldname, ", newname =", newname, ", ret =", ret, ")"
>> +
>> + def cephfs_unlinkat_return(self, path, stmode, ret):
>> + print "RCEPHFSUNLINKAT (path =", path, ", stmode =", stmode, ", ret =", ret, ")"
>> +
>> + def cephfs_init(self, path):
>> + print "RCEPHFSINIT (path =", path, ")"
>> +
>> +simpletrace.run(VirtFSRequestTracker())
>> diff --git a/trace-events b/trace-events
>> index 6fba6cc..48aa9cb 100644
>> --- a/trace-events
>> +++ b/trace-events
>> @@ -1118,6 +1118,39 @@ v9fs_xattrcreate(uint16_t tag, uint8_t id, int32_t fid, char* name, int64_t size
>> v9fs_readlink(uint16_t tag, uint8_t id, int32_t fid) "tag %d id %d fid %d"
>> v9fs_readlink_return(uint16_t tag, uint8_t id, char* target) "tag %d id %d name %s"
>>
>> +# hw/9pfs/9p-cephfs.c
>> +cephfs_lstat_return(char *path, int stmode, int stuid, int stgid, int stsize, int ret) "path %s stmode %d stuid %d stgid %d stsize %d ret %d"
>> +cephfs_readlink_return(char *path, int ret) "path %s ret %d"
>> +cephfs_open_return(char *path, int flags, int mode, int fd) "path %s flags %d mode %d fd %d"
>> +cephfs_opendir_return(char *path, int ret) "path %s ret %d"
>> +cephfs_rewinddir(void *dir) "dir %p"
>> +cephfs_telldir(void *dir) "dir %p"
>> +cephfs_readdir_r_return(void *tmpent, void *entry, int ret) "tmpent %p entry %p ret %d"
>> +cephfs_seekdir(void *dir, int off) "dir %p off %d"
>> +cephfs_preadv(int iovcnt, int len) "iovcnt %d len %d"
>> +cephfs_preadv_return(int iovcnt, int len, long ret) "iovcnt %d len %d ret %ld"
>> +cephfs_pwritev(int iovcnt, int len, int offset) "iovcnt %d len %d offset %d"
>> +cephfs_pwritev_return(int iovcnt, int len, int offset, long ret) "iovcnt %d len %d offset %d ret %ld"
>> +cephfs_chmod_return(char *path, int fcmode, int ret) "path %s fcmode %d ret %d"
>> +cephfs_mknod_return(char *path, int fcmode, uint32_t fcrdev, int ret) "path %s fcmode %d fcrdev %u ret %d"
>> +cephfs_mkdir_return(char *path, int fcmode, int ret) " path %s fcmode %d ret %d"
>> +cephfs_fstat_return(int fidtype, int fd, int stuid, int stgid, int stsize, int ret) "fidtype %d fd %d stuid %d stgid %d stsize %d ret %d"
>> +cephfs_open2_return(char *path, int flags, int fcmode) "path %s flags %d fcmode %d"
>> +cephfs_symlink_return(const char *oldpath, char *path, int ret) "oldpath %s path %s ret %d"
>> +cephfs_link_return(char *oldpath, char *path, int ret) "oldpath %s path %s ret %d"
>> +cephfs_truncate_return(char *path, int size, int ret) "path %s size %d ret %d"
>> +cephfs_rename_return(const char *oldpath, const char *newpath, int ret) "oldpath %s newpath %s ret %d"
>> +cephfs_chown_return(char *path, int fcuid, int fcgid, int ret) "path %s fcuid %d fcgid %d ret %d"
>> +cephfs_utimensat_return(char *path, int ret) "path %s ret %d"
>> +cephfs_fsync_return(int fd, int datasync, int ret) "fd %d datasync %d ret %d"
>> +cephfs_lgetxattr_return(char *path, const char *name, int ret) "path %s name %s ret %d"
>> +cephfs_llistxattr_return(char *path, int ret) "path %s ret %d"
>> +cephfs_lsetxattr_return(char *path, const char *name, int flags, int ret) "path %s name %s flags %d ret %d"
>> +cephfs_lremovexattr_return(char *path, const char *name, int ret) "path %s name %s ret %d"
>> +cephfs_renameat_return(const char *oldname, const char *newname, int ret) "oldname %s newname %s ret %d"
>> +cephfs_unlinkat_return(char *path, int stmode, int ret) "path %s stmode %d ret %d"
>> +cephfs_init(char *path) "path %s"
>> +
>> # target-sparc/mmu_helper.c
>> mmu_helper_dfault(uint64_t address, uint64_t context, int mmu_idx, uint32_t tl) "DFAULT at %"PRIx64" context %"PRIx64" mmu_idx=%d tl=%d"
>> mmu_helper_dprot(uint64_t address, uint64_t context, int mmu_idx, uint32_t tl) "DPROT at %"PRIx64" context %"PRIx64" mmu_idx=%d tl=%d"
next prev parent reply other threads:[~2016-03-15 13:40 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <1457971368-1335-1-git-send-email-scaleqiao@gmail.com>
2016-03-15 9:30 ` [Qemu-devel] [PATCH] hw/9pfs: Add CephFS support in VirtFS Greg Kurz
2016-03-15 13:39 ` Jevon Qiao [this message]
2016-03-15 13:46 ` Greg Kurz
2016-03-15 14:16 ` Jevon Qiao
2016-04-05 15:27 ` Jevon Qiao
2016-04-05 15:31 ` Greg Kurz
2016-04-06 4:28 ` Jevon Qiao
2016-03-15 13:52 ` Michael S. Tsirkin
2016-03-15 14:33 ` Jevon Qiao
2016-04-07 15:50 ` Greg Kurz
2016-04-10 6:55 ` Jevon Qiao
2016-04-13 14:20 ` Greg Kurz
2016-04-16 18:53 ` Aneesh Kumar K.V
2016-04-15 12:01 ` Greg Kurz
2016-04-15 13:21 ` Greg Kurz
2016-03-02 15:41 Jevon Qiao
2016-03-08 0:51 ` Jevon Qiao
2016-03-09 9:59 ` Greg Kurz
2016-03-09 19:02 ` Greg Kurz
2016-03-09 20:09 ` Eric Blake
2016-03-10 9:08 ` Greg Kurz
2016-03-14 2:02 ` Jevon Qiao
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