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[PATCH v2 064/109] virtiofsd: Handle hard reboot
From: |
Dr. David Alan Gilbert (git) |
Subject: |
[PATCH v2 064/109] virtiofsd: Handle hard reboot |
Date: |
Tue, 21 Jan 2020 12:23:48 +0000 |
From: "Dr. David Alan Gilbert" <address@hidden>
Handle a
mount
hard reboot (without unmount)
mount
we get another 'init' which FUSE doesn't normally expect.
Signed-off-by: Dr. David Alan Gilbert <address@hidden>
Reviewed-by: Daniel P. Berrangé <address@hidden>
---
tools/virtiofsd/fuse_lowlevel.c | 16 +++++++++++++++-
1 file changed, 15 insertions(+), 1 deletion(-)
diff --git a/tools/virtiofsd/fuse_lowlevel.c b/tools/virtiofsd/fuse_lowlevel.c
index 5565f78208..7dafe02db8 100644
--- a/tools/virtiofsd/fuse_lowlevel.c
+++ b/tools/virtiofsd/fuse_lowlevel.c
@@ -2435,7 +2435,21 @@ void fuse_session_process_buf_int(struct fuse_session
*se,
goto reply_err;
}
} else if (in->opcode == FUSE_INIT || in->opcode == CUSE_INIT) {
- goto reply_err;
+ if (fuse_lowlevel_is_virtio(se)) {
+ /*
+ * TODO: This is after a hard reboot typically, we need to do
+ * a destroy, but we can't reply to this request yet so
+ * we can't use do_destroy
+ */
+ fuse_log(FUSE_LOG_DEBUG, "%s: reinit\n", __func__);
+ se->got_destroy = 1;
+ se->got_init = 0;
+ if (se->op.destroy) {
+ se->op.destroy(se->userdata);
+ }
+ } else {
+ goto reply_err;
+ }
}
err = EACCES;
--
2.24.1
- [PATCH v2 058/109] virtiofsd: add security guide document, (continued)
- [PATCH v2 058/109] virtiofsd: add security guide document, Dr. David Alan Gilbert (git), 2020/01/21
- [PATCH v2 059/109] virtiofsd: add --syslog command-line option, Dr. David Alan Gilbert (git), 2020/01/21
- [PATCH v2 060/109] virtiofsd: print log only when priority is high enough, Dr. David Alan Gilbert (git), 2020/01/21
- [PATCH v2 062/109] virtiofsd: Add timestamp to the log with FUSE_LOG_DEBUG level, Dr. David Alan Gilbert (git), 2020/01/21
- [PATCH v2 063/109] virtiofsd: Handle reinit, Dr. David Alan Gilbert (git), 2020/01/21
- [PATCH v2 061/109] virtiofsd: Add ID to the log with FUSE_LOG_DEBUG level, Dr. David Alan Gilbert (git), 2020/01/21
- [PATCH v2 065/109] virtiofsd: Kill threads when queues are stopped, Dr. David Alan Gilbert (git), 2020/01/21
- [PATCH v2 064/109] virtiofsd: Handle hard reboot,
Dr. David Alan Gilbert (git) <=
- [PATCH v2 066/109] vhost-user: Print unexpected slave message types, Dr. David Alan Gilbert (git), 2020/01/21
- [PATCH v2 067/109] contrib/libvhost-user: Protect slave fd with mutex, Dr. David Alan Gilbert (git), 2020/01/21
- [PATCH v2 068/109] virtiofsd: passthrough_ll: add renameat2 support, Dr. David Alan Gilbert (git), 2020/01/21
- [PATCH v2 069/109] virtiofsd: passthrough_ll: disable readdirplus on cache=never, Dr. David Alan Gilbert (git), 2020/01/21
- [PATCH v2 071/109] virtiofsd: rename unref_inode() to unref_inode_lolocked(), Dr. David Alan Gilbert (git), 2020/01/21
- [PATCH v2 072/109] virtiofsd: fail when parent inode isn't known in lo_do_lookup(), Dr. David Alan Gilbert (git), 2020/01/21
- [PATCH v2 070/109] virtiofsd: passthrough_ll: control readdirplus, Dr. David Alan Gilbert (git), 2020/01/21