Messages in this thread Patch in this message | | | From | Tom Gundersen <> | Subject | [PATCH] cuse: creat 'dead' device node for on-demand module loading | Date | Mon, 9 Sep 2013 20:11:38 +0200 |
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This allows udev (or more recently systemd-tmpfiles) to create /dev/cuse on boot, in the same way as /dev/fuse is currently created, and the corresponding module to be loaded on first access.
The corresponding functionalty was introduced for fuse in commit 578454f.
Signed-off-by: Tom Gundersen <teg@jklm.no> Cc: Kay Sievers <kay@vrfy.org> Cc: Miklos Szeredi <miklos@szeredi.hu> --- fs/fuse/cuse.c | 5 ++++- include/linux/miscdevice.h | 1 + 2 files changed, 5 insertions(+), 1 deletion(-)
diff --git a/fs/fuse/cuse.c b/fs/fuse/cuse.c index adbfd66..24da581 100644 --- a/fs/fuse/cuse.c +++ b/fs/fuse/cuse.c @@ -589,11 +589,14 @@ static struct attribute *cuse_class_dev_attrs[] = { ATTRIBUTE_GROUPS(cuse_class_dev); static struct miscdevice cuse_miscdev = { - .minor = MISC_DYNAMIC_MINOR, + .minor = CUSE_MINOR, .name = "cuse", .fops = &cuse_channel_fops, }; +MODULE_ALIAS_MISCDEV(CUSE_MINOR); +MODULE_ALIAS("devname:cuse"); + static int __init cuse_init(void) { int i, rc; diff --git a/include/linux/miscdevice.h b/include/linux/miscdevice.h index cb35835..65c8619 100644 --- a/include/linux/miscdevice.h +++ b/include/linux/miscdevice.h @@ -39,6 +39,7 @@ #define MISC_MCELOG_MINOR 227 #define HPET_MINOR 228 #define FUSE_MINOR 229 +#define CUSE_MINOR 230 #define KVM_MINOR 232 #define BTRFS_MINOR 234 #define AUTOFS_MINOR 235 -- 1.8.4
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