From: Miklos Szeredi <miklos@szeredi.hu>
Date: Thu, 16 Feb 2006 16:59:39 +0000 (+0000)
Subject: fix
X-Git-Tag: fuse_2_6_0_pre1~3
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=6e806e964d722e7e0f7c029b50d69cf877c193ee;p=qemu-gpiodev%2Flibfuse.git

fix
---

diff --git a/ChangeLog b/ChangeLog
index f3c3e89..c447832 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -3,6 +3,9 @@
 	* Fix rare race betweeen abort and release caused by failed iget()
 	in fuse_create_open().
 
+	* Add 'ac_attr_timeout' option e.g. for filesystems which do their
+	own attribute caching.
+
 2006-02-15  Miklos Szeredi <miklos@szeredi.hu>
 
 	* Work around FreeBSD runtime linker "feature" which binds an old
diff --git a/lib/fuse.c b/lib/fuse.c
index 68ff59f..ea17a3d 100644
--- a/lib/fuse.c
+++ b/lib/fuse.c
@@ -39,6 +39,8 @@ struct fuse_config {
     double entry_timeout;
     double negative_timeout;
     double attr_timeout;
+    double ac_attr_timeout;
+    int ac_attr_timeout_set;
     int debug;
     int hard_remove;
     int use_ino;
@@ -1141,7 +1143,7 @@ static void open_auto_cache(struct fuse *f, fuse_ino_t ino, const char *path,
         struct timespec now;
 
         curr_time(&now);
-        if (diff_timespec(&now, &node->stat_updated) > f->conf.attr_timeout) {
+        if (diff_timespec(&now, &node->stat_updated) > f->conf.ac_attr_timeout) {
             struct stat stbuf;
             int err;
 
@@ -1936,6 +1938,8 @@ static const struct fuse_opt fuse_lib_opts[] = {
     FUSE_LIB_OPT("gid=%d",                gid, 0),
     FUSE_LIB_OPT("entry_timeout=%lf",     entry_timeout, 0),
     FUSE_LIB_OPT("attr_timeout=%lf",      attr_timeout, 0),
+    FUSE_LIB_OPT("ac_attr_timeout=%lf",   ac_attr_timeout, 0),
+    FUSE_LIB_OPT("ac_attr_timeout=",      ac_attr_timeout_set, 1),
     FUSE_LIB_OPT("negative_timeout=%lf",  negative_timeout, 0),
     FUSE_OPT_END
 };
@@ -1954,8 +1958,9 @@ static void fuse_lib_help(void)
 "    -o gid=N               set file group\n"
 "    -o entry_timeout=T     cache timeout for names (1.0s)\n"
 "    -o negative_timeout=T  cache timeout for deleted names (0.0s)\n"
-            "    -o attr_timeout=T      cache timeout for attributes (1.0s)\n"
-            "\n");
+"    -o attr_timeout=T      cache timeout for attributes (1.0s)\n"
+"    -o ac_attr_timeout=T   auto cache timeout for attributes (attr_timeout)\n"
+"\n");
 }
 
 static int fuse_lib_opt_proc(void *data, const char *arg, int key,
@@ -2002,6 +2007,9 @@ struct fuse *fuse_new_common(int fd, struct fuse_args *args,
     if (fuse_opt_parse(args, &f->conf, fuse_lib_opts, fuse_lib_opt_proc) == -1)
             goto out_free;
 
+    if (!f->conf.ac_attr_timeout_set)
+        f->conf.ac_attr_timeout = f->conf.attr_timeout;
+
 #ifdef __FreeBSD__
     /*
      * In FreeBSD, we always use these settings as inode numbers are needed to