diff options
| author | Christoph Hellwig <hch@lst.de> | 2018-04-11 17:46:11 +0300 |
|---|---|---|
| committer | Christoph Hellwig <hch@lst.de> | 2018-05-16 08:24:30 +0300 |
| commit | 004fd11db1d6186ef04c6af688c572deb3b12369 (patch) | |
| tree | ba74dfb9287a0b6c4fa44ae6a2e95070946913e5 /drivers/block | |
| parent | 4e292a9667558e5c2038a15c0eeb5d73bc1bd3c2 (diff) | |
| download | linux-004fd11db1d6186ef04c6af688c572deb3b12369.tar.xz | |
drbd: switch to proc_create_single
And stop messing with try_module_get on THIS_MODULE, which doesn't make
any sense here.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Diffstat (limited to 'drivers/block')
| -rw-r--r-- | drivers/block/drbd/drbd_int.h | 2 | ||||
| -rw-r--r-- | drivers/block/drbd/drbd_main.c | 3 | ||||
| -rw-r--r-- | drivers/block/drbd/drbd_proc.c | 34 |
3 files changed, 4 insertions, 35 deletions
diff --git a/drivers/block/drbd/drbd_int.h b/drivers/block/drbd/drbd_int.h index 06ecee1b528e..461ddec04e7c 100644 --- a/drivers/block/drbd/drbd_int.h +++ b/drivers/block/drbd/drbd_int.h @@ -1643,7 +1643,7 @@ void drbd_bump_write_ordering(struct drbd_resource *resource, struct drbd_backin /* drbd_proc.c */ extern struct proc_dir_entry *drbd_proc; -extern const struct file_operations drbd_proc_fops; +int drbd_seq_show(struct seq_file *seq, void *v); /* drbd_actlog.c */ extern bool drbd_al_begin_io_prepare(struct drbd_device *device, struct drbd_interval *i); diff --git a/drivers/block/drbd/drbd_main.c b/drivers/block/drbd/drbd_main.c index 185f1ef00a7c..c2d154faac02 100644 --- a/drivers/block/drbd/drbd_main.c +++ b/drivers/block/drbd/drbd_main.c @@ -3010,7 +3010,8 @@ static int __init drbd_init(void) goto fail; err = -ENOMEM; - drbd_proc = proc_create_data("drbd", S_IFREG | S_IRUGO , NULL, &drbd_proc_fops, NULL); + drbd_proc = proc_create_single("drbd", S_IFREG | S_IRUGO , NULL, + drbd_seq_show); if (!drbd_proc) { pr_err("unable to register proc file\n"); goto fail; diff --git a/drivers/block/drbd/drbd_proc.c b/drivers/block/drbd/drbd_proc.c index 582caeb0de86..74ef29247bb5 100644 --- a/drivers/block/drbd/drbd_proc.c +++ b/drivers/block/drbd/drbd_proc.c @@ -33,18 +33,7 @@ #include <linux/drbd.h> #include "drbd_int.h" -static int drbd_proc_open(struct inode *inode, struct file *file); -static int drbd_proc_release(struct inode *inode, struct file *file); - - struct proc_dir_entry *drbd_proc; -const struct file_operations drbd_proc_fops = { - .owner = THIS_MODULE, - .open = drbd_proc_open, - .read = seq_read, - .llseek = seq_lseek, - .release = drbd_proc_release, -}; static void seq_printf_with_thousands_grouping(struct seq_file *seq, long v) { @@ -235,7 +224,7 @@ static void drbd_syncer_progress(struct drbd_device *device, struct seq_file *se } } -static int drbd_seq_show(struct seq_file *seq, void *v) +int drbd_seq_show(struct seq_file *seq, void *v) { int i, prev_i = -1; const char *sn; @@ -345,24 +334,3 @@ static int drbd_seq_show(struct seq_file *seq, void *v) return 0; } - -static int drbd_proc_open(struct inode *inode, struct file *file) -{ - int err; - - if (try_module_get(THIS_MODULE)) { - err = single_open(file, drbd_seq_show, NULL); - if (err) - module_put(THIS_MODULE); - return err; - } - return -ENODEV; -} - -static int drbd_proc_release(struct inode *inode, struct file *file) -{ - module_put(THIS_MODULE); - return single_release(inode, file); -} - -/* PROC FS stuff end */ |