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authorMax Reitz <mreitz@redhat.com>2020-09-09 20:40:24 +0200
committerDr. David Alan Gilbert <dgilbert@redhat.com>2020-10-26 18:35:32 +0000
commitede24b6be798000bbf554891e5b54a0f4848897f (patch)
tree942aacb631d7669534998a9c9936933f40fd4ae1 /tools
parente2577435d3433b66b6f8adcd6482b5da5198689b (diff)
virtiofsd: Add fuse_reply_attr_with_flags()
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> Message-Id: <20200909184028.262297-5-mreitz@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Diffstat (limited to 'tools')
-rw-r--r--tools/virtiofsd/fuse_lowlevel.c14
-rw-r--r--tools/virtiofsd/fuse_lowlevel.h15
2 files changed, 27 insertions, 2 deletions
diff --git a/tools/virtiofsd/fuse_lowlevel.c b/tools/virtiofsd/fuse_lowlevel.c
index 00da84432c..5198f627bc 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));
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
@@ -1314,6 +1314,21 @@ 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
*
* Possible requests: