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Commit 57148964 authored by NeilBrown's avatar NeilBrown
Browse files

md/bitmap: move printing of bitmap status to bitmap.c 



The part of /proc/mdstat which describes the bitmap should really
be generated by code in bitmap.c.  So move it there.

Signed-off-by: default avatarNeilBrown <neilb@suse.de>
parent 4ba97dff

drivers/md/bitmap.c

+28 −0
Original line number Diff line number Diff line
@@ -26,6 +26,7 @@ 
#include <linux/file.h>

#include <linux/mount.h>

#include <linux/buffer_head.h>

#include <linux/seq_file.h>

#include "md.h"

#include "bitmap.h"
@@ -1836,6 +1837,33 @@ out: 
}

EXPORT_SYMBOL_GPL(bitmap_load);



void bitmap_status(struct seq_file *seq, struct bitmap *bitmap)

{

	unsigned long chunk_kb;

	unsigned long flags;



	if (!bitmap)

		return;



	spin_lock_irqsave(&bitmap->lock, flags);

	chunk_kb = bitmap->mddev->bitmap_info.chunksize >> 10;

	seq_printf(seq, "bitmap: %lu/%lu pages [%luKB], "

		   "%lu%s chunk",

		   bitmap->pages - bitmap->missing_pages,

		   bitmap->pages,

		   (bitmap->pages - bitmap->missing_pages)

		   << (PAGE_SHIFT - 10),

		   chunk_kb ? chunk_kb : bitmap->mddev->bitmap_info.chunksize,

		   chunk_kb ? "KB" : "B");

	if (bitmap->file) {

		seq_printf(seq, ", file: ");

		seq_path(seq, &bitmap->file->f_path, " \t\n");

	}



	seq_printf(seq, "\n");

	spin_unlock_irqrestore(&bitmap->lock, flags);

}



static ssize_t

location_show(struct mddev *mddev, char *page)

{

drivers/md/bitmap.h

+1 −0
Original line number Diff line number Diff line
@@ -227,6 +227,7 @@ void bitmap_destroy(struct mddev *mddev); 


void bitmap_print_sb(struct bitmap *bitmap);

void bitmap_update_sb(struct bitmap *bitmap);

void bitmap_status(struct seq_file *seq, struct bitmap *bitmap);



int  bitmap_setallbits(struct bitmap *bitmap);

void bitmap_write_all(struct bitmap *bitmap);

drivers/md/md.c

+1 −22
Original line number Diff line number Diff line
@@ -6725,7 +6725,6 @@ static int md_seq_show(struct seq_file *seq, void *v) 
	struct mddev *mddev = v;

	sector_t sectors;

	struct md_rdev *rdev;

	struct bitmap *bitmap;



	if (v == (void*)1) {

		struct md_personality *pers;
@@ -6813,27 +6812,7 @@ static int md_seq_show(struct seq_file *seq, void *v) 
		} else

			seq_printf(seq, "\n       ");



		if ((bitmap = mddev->bitmap)) {

			unsigned long chunk_kb;

			unsigned long flags;

			spin_lock_irqsave(&bitmap->lock, flags);

			chunk_kb = mddev->bitmap_info.chunksize >> 10;

			seq_printf(seq, "bitmap: %lu/%lu pages [%luKB], "

				"%lu%s chunk",

				bitmap->pages - bitmap->missing_pages,

				bitmap->pages,

				(bitmap->pages - bitmap->missing_pages)

					<< (PAGE_SHIFT - 10),

				chunk_kb ? chunk_kb : mddev->bitmap_info.chunksize,

				chunk_kb ? "KB" : "B");

			if (bitmap->file) {

				seq_printf(seq, ", file: ");

				seq_path(seq, &bitmap->file->f_path, " \t\n");

			}



			seq_printf(seq, "\n");

			spin_unlock_irqrestore(&bitmap->lock, flags);

		}

		bitmap_status(seq, mddev->bitmap);



		seq_printf(seq, "\n");

	}