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| author |   Coly Li <colyli@suse.de> | 2020-04-09 22:17:22 +0800 |
|---|---|---|
| committer |   Song Liu <songliubraving@fb.com> | 2020-05-13 11:22:31 -0700 |
| commit | 7f8a30e5d253793d660f30b7475d7bb41efd40b8 (patch) | |
| tree | b438541aa96386cc3dd4966be9109dcb87a68205 /drivers/md/raid5.c | |
| parent | raid5: remove gfp flags from scribble_alloc() (diff) | |
| download | linux-dev-7f8a30e5d253793d660f30b7475d7bb41efd40b8.tar.xz linux-dev-7f8a30e5d253793d660f30b7475d7bb41efd40b8.zip | |
raid5: update code comment of scribble_alloc()
Code comments of scribble_alloc() is outdated for a while. This patch
update the comments in function header for the new parameter list.
Suggested-by: Song Liu <songliubraving@fb.com>
Signed-off-by: Coly Li <colyli@suse.de>
Signed-off-by: Song Liu <songliubraving@fb.com>
Diffstat (limited to 'drivers/md/raid5.c')
| -rw-r--r-- | drivers/md/raid5.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c index 190dd70db514..ab8067f9ce8c 100644 --- a/drivers/md/raid5.c +++ b/drivers/md/raid5.c @@ -2215,10 +2215,13 @@ static int grow_stripes(struct r5conf *conf, int num) } /** - * scribble_len - return the required size of the scribble region + * scribble_alloc - allocate percpu scribble buffer for required size + * of the scribble region + * @percpu - from for_each_present_cpu() of the caller * @num - total number of disks in the array + * @cnt - scribble objs count for required size of the scribble region * - * The size must be enough to contain: + * The scribble buffer size must be enough to contain: * 1/ a struct page pointer for each device in the array +2 * 2/ room to convert each entry in (1) to its corresponding dma * (dma_map_page()) or page (page_address()) address. |