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[PATCH 4/8] virtiofsd: Add fuse_reply_attr_with_flags()
From: |
Max Reitz |
Subject: |
[PATCH 4/8] virtiofsd: Add fuse_reply_attr_with_flags() |
Date: |
Wed, 9 Sep 2020 20:40:24 +0200 |
The plain fuse_reply_attr() function does not allow setting
fuse_attr.flags, so add this new function that does.
Make fuse_reply_attr() a wrapper around it.
Signed-off-by: Max Reitz <mreitz@redhat.com>
---
tools/virtiofsd/fuse_lowlevel.h | 15 +++++++++++++++
tools/virtiofsd/fuse_lowlevel.c | 14 ++++++++++++--
2 files changed, 27 insertions(+), 2 deletions(-)
diff --git a/tools/virtiofsd/fuse_lowlevel.h b/tools/virtiofsd/fuse_lowlevel.h
index 9c06240f9e..1ff6ba1e4f 100644
--- a/tools/virtiofsd/fuse_lowlevel.h
+++ b/tools/virtiofsd/fuse_lowlevel.h
@@ -1313,6 +1313,21 @@ int fuse_reply_create(fuse_req_t req, const struct
fuse_entry_param *e,
int fuse_reply_attr(fuse_req_t req, const struct stat *attr,
double attr_timeout);
+/**
+ * Reply with attributes and set fuse_attr.flags
+ *
+ * Possible requests:
+ * getattr, setattr
+ *
+ * @param req request handle
+ * @param attr the attributes
+ * @param attr_timeout validity timeout (in seconds) for the attributes
+ * @param attr_flags flags to put into fuse_attr.flags
+ * @return zero for success, -errno for failure to send reply
+ */
+int fuse_reply_attr_with_flags(fuse_req_t req, const struct stat *attr,
+ double attr_timeout, uint32_t attr_flags);
+
/**
* Reply with the contents of a symbolic link
*
diff --git a/tools/virtiofsd/fuse_lowlevel.c b/tools/virtiofsd/fuse_lowlevel.c
index 3ca49456c3..70efd3feaf 100644
--- a/tools/virtiofsd/fuse_lowlevel.c
+++ b/tools/virtiofsd/fuse_lowlevel.c
@@ -426,8 +426,8 @@ int fuse_reply_create(fuse_req_t req, const struct
fuse_entry_param *e,
return send_reply_ok(req, buf, entrysize + sizeof(struct fuse_open_out));
}
-int fuse_reply_attr(fuse_req_t req, const struct stat *attr,
- double attr_timeout)
+int fuse_reply_attr_with_flags(fuse_req_t req, const struct stat *attr,
+ double attr_timeout, uint32_t attr_flags)
{
struct fuse_attr_out arg;
size_t size = sizeof(arg);
@@ -437,9 +437,19 @@ int fuse_reply_attr(fuse_req_t req, const struct stat
*attr,
arg.attr_valid_nsec = calc_timeout_nsec(attr_timeout);
convert_stat(attr, &arg.attr);
+ if (req->se->conn.capable & FUSE_CAP_ATTR_FLAGS) {
+ arg.attr.flags = attr_flags;
+ }
+
return send_reply_ok(req, &arg, size);
}
+int fuse_reply_attr(fuse_req_t req, const struct stat *attr,
+ double attr_timeout)
+{
+ return fuse_reply_attr_with_flags(req, attr, attr_timeout, 0);
+}
+
int fuse_reply_readlink(fuse_req_t req, const char *linkname)
{
return send_reply_ok(req, linkname, strlen(linkname));
--
2.26.2
- [PATCH 0/8] virtiofsd: Announce submounts to the guest, Max Reitz, 2020/09/09
- [PATCH 1/8] linux/fuse.h: Pull in from Linux, Max Reitz, 2020/09/09
- [PATCH 2/8] virtiofsd: Announce FUSE_ATTR_FLAGS, Max Reitz, 2020/09/09
- [PATCH 3/8] virtiofsd: Add attr_flags to fuse_entry_param, Max Reitz, 2020/09/09
- [PATCH 4/8] virtiofsd: Add fuse_reply_attr_with_flags(),
Max Reitz <=
- [PATCH 5/8] virtiofsd: Store every lo_inode's parent_dev, Max Reitz, 2020/09/09
- [PATCH 7/8] tests/acceptance/boot_linux: Accept SSH pubkey, Max Reitz, 2020/09/09
- [PATCH 6/8] virtiofsd: Announce sub-mount points, Max Reitz, 2020/09/09
- [PATCH 8/8] tests/acceptance: Add virtiofs_submounts.py, Max Reitz, 2020/09/09
- Re: [PATCH 0/8] virtiofsd: Announce submounts to the guest, Stefan Hajnoczi, 2020/09/11