From 89010fbc22162708c39447129580c4a47b03260e Mon Sep 17 00:00:00 2001 From: Parinay Kondekar Date: Tue, 22 Mar 2016 19:04:08 -0400 Subject: [PATCH] staging:lustre: remove libcfs pseudo device abstraction With the libcfs ioctl cleanup we no longer need the libcfs pseudo device abstraction. Signed-off-by: Parinay Kondekar Signed-off-by: James Simmons Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-5844 Reviewed-on: http://review.whamcloud.com/17492 Reviewed-by: Andreas Dilger Reviewed-by: Dmitry Eremin Reviewed-by: John L. Hammond Reviewed-by: Oleg Drokin Signed-off-by: Greg Kroah-Hartman --- .../lustre/include/linux/libcfs/libcfs.h | 22 +------------------ .../lustre/lnet/libcfs/linux/linux-module.c | 4 +--- drivers/staging/lustre/lnet/libcfs/module.c | 8 +------ 3 files changed, 3 insertions(+), 31 deletions(-) diff --git a/drivers/staging/lustre/include/linux/libcfs/libcfs.h b/drivers/staging/lustre/include/linux/libcfs/libcfs.h index 592ad31fbfac..1cd18790d22e 100644 --- a/drivers/staging/lustre/include/linux/libcfs/libcfs.h +++ b/drivers/staging/lustre/include/linux/libcfs/libcfs.h @@ -59,24 +59,6 @@ #define LNET_ACCEPTOR_MIN_RESERVED_PORT 512 #define LNET_ACCEPTOR_MAX_RESERVED_PORT 1023 -/* - * libcfs pseudo device operations - * - * It's just draft now. - */ - -struct cfs_psdev_file { - unsigned long off; - void *private_data; - unsigned long reserved1; - unsigned long reserved2; -}; - -struct cfs_psdev_ops { - int (*p_read)(struct cfs_psdev_file *, char *, unsigned long); - int (*p_write)(struct cfs_psdev_file *, char *, unsigned long); -}; - /* * Drop into debugger, if possible. Implementation is provided by platform. */ @@ -130,7 +112,7 @@ struct libcfs_ioctl_handler { int libcfs_register_ioctl(struct libcfs_ioctl_handler *hand); int libcfs_deregister_ioctl(struct libcfs_ioctl_handler *hand); -int libcfs_ioctl(struct cfs_psdev_file *pfile, unsigned long cmd, void *arg); +int libcfs_ioctl(unsigned long cmd, void *arg); /* container_of depends on "likely" which is defined in libcfs_private.h */ static inline void *__container_of(void *ptr, unsigned long shift) @@ -156,8 +138,6 @@ extern struct miscdevice libcfs_dev; extern char lnet_upcall[1024]; extern char lnet_debug_log_upcall[1024]; -extern struct cfs_psdev_ops libcfs_psdev_ops; - extern struct cfs_wi_sched *cfs_sched_rehash; struct lnet_debugfs_symlink_def { diff --git a/drivers/staging/lustre/lnet/libcfs/linux/linux-module.c b/drivers/staging/lustre/lnet/libcfs/linux/linux-module.c index 6f35a80e20a1..7634551afed3 100644 --- a/drivers/staging/lustre/lnet/libcfs/linux/linux-module.c +++ b/drivers/staging/lustre/lnet/libcfs/linux/linux-module.c @@ -98,8 +98,6 @@ int libcfs_ioctl_getdata(struct libcfs_ioctl_hdr **hdr_pp, static long libcfs_psdev_ioctl(struct file *file, unsigned int cmd, unsigned long arg) { - struct cfs_psdev_file pfile; - if (!capable(CAP_SYS_ADMIN)) return -EACCES; @@ -111,7 +109,7 @@ libcfs_psdev_ioctl(struct file *file, unsigned int cmd, unsigned long arg) return -EINVAL; } - return libcfs_ioctl(&pfile, cmd, (void __user *)arg); + return libcfs_ioctl(cmd, (void __user *)arg); } static const struct file_operations libcfs_fops = { diff --git a/drivers/staging/lustre/lnet/libcfs/module.c b/drivers/staging/lustre/lnet/libcfs/module.c index 4af455733a3b..49c2d03dc9de 100644 --- a/drivers/staging/lustre/lnet/libcfs/module.c +++ b/drivers/staging/lustre/lnet/libcfs/module.c @@ -98,8 +98,7 @@ int libcfs_deregister_ioctl(struct libcfs_ioctl_handler *hand) } EXPORT_SYMBOL(libcfs_deregister_ioctl); -int libcfs_ioctl(struct cfs_psdev_file *pfile, unsigned long cmd, - void __user *uparam) +int libcfs_ioctl(unsigned long cmd, void __user *uparam) { struct libcfs_ioctl_data *data = NULL; struct libcfs_ioctl_hdr *hdr; @@ -165,11 +164,6 @@ out: return err; } -struct cfs_psdev_ops libcfs_psdev_ops = { - NULL, - NULL, -}; - int lprocfs_call_handler(void *data, int write, loff_t *ppos, void __user *buffer, size_t *lenp, int (*handler)(void *data, int write, loff_t pos, -- 2.20.1