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diff --git a/sys/compat/linprocfs/linprocfs.c b/sys/compat/linprocfs/linprocfs.c
--- a/sys/compat/linprocfs/linprocfs.c
+++ b/sys/compat/linprocfs/linprocfs.c
@@ -2216,6 +2216,67 @@
return (0);
}
+static int
+linprocfs_doinotify(const char *sysctl, PFS_FILL_ARGS)
+{
+ size_t size;
+ int error, val;
+
+ if (uio->uio_rw == UIO_READ) {
+ size = sizeof(val);
+ error = kernel_sysctlbyname(curthread,
+ __DECONST(void *, sysctl), &val, &size, NULL, 0, 0, 0);
+ if (error == 0)
+ sbuf_printf(sb, "%d\n", val);
+ } else {
+ char *endp, *newval;
+ long vall;
+
+ sbuf_trim(sb);
+ sbuf_finish(sb);
+ newval = sbuf_data(sb);
+ vall = strtol(newval, &endp, 10);
+ if (vall < 0 || vall > INT_MAX || endp == newval ||
+ *endp != '\0')
+ return (EINVAL);
+ val = (int)vall;
+ error = kernel_sysctlbyname(curthread,
+ __DECONST(void *, sysctl), NULL, NULL,
+ &val, sizeof(val), 0, 0);
+ }
+ return (error);
+}
+
+/*
+ * Filler function for proc/sys/fs/inotify/max_queued_events
+ */
+static int
+linprocfs_doinotify_max_queued_events(PFS_FILL_ARGS)
+{
+ return (linprocfs_doinotify("vfs.inotify.max_queued_events",
+ PFS_FILL_ARGNAMES));
+}
+
+/*
+ * Filler function for proc/sys/fs/inotify/max_user_instances
+ */
+static int
+linprocfs_doinotify_max_user_instances(PFS_FILL_ARGS)
+{
+ return (linprocfs_doinotify("vfs.inotify.max_user_instances",
+ PFS_FILL_ARGNAMES));
+}
+
+/*
+ * Filler function for proc/sys/fs/inotify/max_user_watches
+ */
+static int
+linprocfs_doinotify_max_user_watches(PFS_FILL_ARGS)
+{
+ return (linprocfs_doinotify("vfs.inotify.max_user_watches",
+ PFS_FILL_ARGNAMES));
+}
+
/*
* Filler function for proc/sys/fs/mqueue/msg_default
*/
@@ -2313,9 +2374,7 @@
static int
linprocfs_init(PFS_INIT_ARGS)
{
- struct pfs_node *root;
- struct pfs_node *dir;
- struct pfs_node *sys;
+ struct pfs_node *dir, *fs, *root, *sys;
root = pi->pi_root;
@@ -2466,10 +2525,18 @@
NULL, PFS_RD);
/* /proc/sys/fs/... */
- pfs_create_dir(sys, &dir, "fs", NULL, NULL, NULL, 0);
+ pfs_create_dir(sys, &fs, "fs", NULL, NULL, NULL, 0);
+
+ pfs_create_dir(fs, &dir, "inotify", NULL, NULL, NULL, 0);
+ pfs_create_file(dir, NULL, "max_queued_events",
+ &linprocfs_doinotify_max_queued_events, NULL, NULL, NULL, PFS_RDWR);
+ pfs_create_file(dir, NULL, "max_user_instances",
+ &linprocfs_doinotify_max_user_instances, NULL, NULL, NULL, PFS_RDWR);
+ pfs_create_file(dir, NULL, "max_user_watches",
+ &linprocfs_doinotify_max_user_watches, NULL, NULL, NULL, PFS_RDWR);
/* /proc/sys/fs/mqueue/... */
- pfs_create_dir(dir, &dir, "mqueue", NULL, NULL, NULL, 0);
+ pfs_create_dir(fs, &dir, "mqueue", NULL, NULL, NULL, 0);
pfs_create_file(dir, NULL, "msg_default",
&linprocfs_domqueue_msg_default, NULL, NULL, NULL, PFS_RD);
pfs_create_file(dir, NULL, "msgsize_default",

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