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virtiofsd: passthrough_ll: clean up cache related options 

- Rename "cache=never" to "cache=none" to match 9p's similar option.

 - Rename CACHE_NORMAL constant to CACHE_AUTO to match the "cache=auto"
   option.

Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
This commit is contained in:
Miklos Szeredi 2018-11-15 15:29:51 +01:00 committed by Dr. David Alan Gilbert
parent 3ca8a2b1c8
commit 230e777b5e
2 changed files with 14 additions and 11 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
tools/virtiofsd/helper.c
View File

@ -145,6 +145,9 @@ void fuse_cmdline_help(void)
" --syslog log to syslog (default stderr)\n"
" -f foreground operation\n"
" --daemonize run in background\n"
" -o cache=<mode> cache mode. could be one of \"auto, "
"always, none\"\n"
" default: auto\n"
" -o log_level=<level> log level, default to \"info\"\n"
" level could be one of \"debug, "
"info, warn, err\"\n"
@ -156,7 +159,7 @@ void fuse_cmdline_help(void)
" -o readdirplus|no_readdirplus\n"
" enable/disable readirplus\n"
" default: readdirplus except with "
"cache=never\n"
"cache=none\n"
);
}

20
tools/virtiofsd/passthrough_ll.c
View File

@ -101,8 +101,8 @@ struct lo_cred {
};
enum {
CACHE_NEVER,
CACHE_NORMAL,
CACHE_NONE,
CACHE_AUTO,
CACHE_ALWAYS,
};
@ -138,8 +138,8 @@ static const struct fuse_opt lo_opts[] = {
{ "no_xattr", offsetof(struct lo_data, xattr), 0 },
{ "timeout=%lf", offsetof(struct lo_data, timeout), 0 },
{ "timeout=", offsetof(struct lo_data, timeout_set), 1 },
{ "cache=never", offsetof(struct lo_data, cache), CACHE_NEVER },
{ "cache=auto", offsetof(struct lo_data, cache), CACHE_NORMAL },
{ "cache=none", offsetof(struct lo_data, cache), CACHE_NONE },
{ "cache=auto", offsetof(struct lo_data, cache), CACHE_AUTO },
{ "cache=always", offsetof(struct lo_data, cache), CACHE_ALWAYS },
{ "norace", offsetof(struct lo_data, norace), 1 },
{ "readdirplus", offsetof(struct lo_data, readdirplus_set), 1 },
@ -482,7 +482,7 @@ static void lo_init(void *userdata, struct fuse_conn_info *conn)
fuse_log(FUSE_LOG_DEBUG, "lo_init: activating flock locks\n");
conn->want |= FUSE_CAP_FLOCK_LOCKS;
}
if ((lo->cache == CACHE_NEVER && !lo->readdirplus_set) ||
if ((lo->cache == CACHE_NONE && !lo->readdirplus_set) ||
lo->readdirplus_clear) {
fuse_log(FUSE_LOG_DEBUG, "lo_init: disabling readdirplus\n");
conn->want &= ~FUSE_CAP_READDIRPLUS;
@ -1493,7 +1493,7 @@ static void lo_create(fuse_req_t req, fuse_ino_t parent, const char *name,
fi->fh = fh;
err = lo_do_lookup(req, parent, name, &e);
}
if (lo->cache == CACHE_NEVER) {
if (lo->cache == CACHE_NONE) {
fi->direct_io = 1;
} else if (lo->cache == CACHE_ALWAYS) {
fi->keep_cache = 1;
@ -1578,7 +1578,7 @@ static void lo_open(fuse_req_t req, fuse_ino_t ino, struct fuse_file_info *fi)
}
fi->fh = fh;
if (lo->cache == CACHE_NEVER) {
if (lo->cache == CACHE_NONE) {
fi->direct_io = 1;
} else if (lo->cache == CACHE_ALWAYS) {
fi->keep_cache = 1;
@ -2395,7 +2395,7 @@ int main(int argc, char *argv[])
lo.root.next = lo.root.prev = &lo.root;
lo.root.fd = -1;
lo.root.fuse_ino = FUSE_ROOT_ID;
lo.cache = CACHE_NORMAL;
lo.cache = CACHE_AUTO;
/*
* Set up the ino map like this:
@ -2470,11 +2470,11 @@ int main(int argc, char *argv[])
}
if (!lo.timeout_set) {
switch (lo.cache) {
case CACHE_NEVER:
case CACHE_NONE:
lo.timeout = 0.0;
break;
case CACHE_NORMAL:
case CACHE_AUTO:
lo.timeout = 1.0;
break;