diff options
| author | Andy Shevchenko <andriy.shevchenko@linux.intel.com> | 2018-04-05 16:23:16 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2018-04-05 21:36:25 -0700 |
| commit | 5ad3509364a86461188184e2ae7ca517dca6f389 (patch) | |
| tree | b2c4e1c94eb4d04b2fbc31dd8e13b039ee44e161 /mm/backing-dev.c | |
| parent | 7f16f91fdfce694493e539bff17acaedaebc366d (diff) | |
mm: reuse DEFINE_SHOW_ATTRIBUTE() macro
...instead of open coding file operations followed by custom ->open()
callbacks per each attribute.
[andriy.shevchenko@linux.intel.com: add tags, fix compilation issue]
Link: http://lkml.kernel.org/r/20180217144253.58604-1-andriy.shevchenko@linux.intel.com
Link: http://lkml.kernel.org/r/20180214154644.54505-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Matthew Wilcox <mawilcox@microsoft.com>
Reviewed-by: Andrew Morton <akpm@linux-foundation.org>
Reviewed-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Acked-by: Christoph Lameter <cl@linux.com>
Cc: Tejun Heo <tj@kernel.org>
Cc: Dennis Zhou <dennisszhou@gmail.com>
Cc: Minchan Kim <minchan@kernel.org>
Cc: Nitin Gupta <ngupta@vflare.org>
Cc: Sergey Senozhatsky <sergey.senozhatsky.work@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/backing-dev.c')
| -rw-r--r-- | mm/backing-dev.c | 13 |
1 files changed, 1 insertions, 12 deletions
diff --git a/mm/backing-dev.c b/mm/backing-dev.c index b5f940ce0143..fac66abd5a68 100644 --- a/mm/backing-dev.c +++ b/mm/backing-dev.c @@ -100,18 +100,7 @@ static int bdi_debug_stats_show(struct seq_file *m, void *v) return 0; } - -static int bdi_debug_stats_open(struct inode *inode, struct file *file) -{ - return single_open(file, bdi_debug_stats_show, inode->i_private); -} - -static const struct file_operations bdi_debug_stats_fops = { - .open = bdi_debug_stats_open, - .read = seq_read, - .llseek = seq_lseek, - .release = single_release, -}; +DEFINE_SHOW_ATTRIBUTE(bdi_debug_stats); static int bdi_debug_register(struct backing_dev_info *bdi, const char *name) { |