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authorNeilBrown <neilb@suse.de>2012-03-19 12:46:40 +1100
committerNeilBrown <neilb@suse.de>2012-03-19 12:46:40 +1100
commit57148964d946614ffc6621539096ded1e7d896ab (patch)
treed4bdadf58d740fcdb3c65063a5706cc3902f2b9b /drivers/md
parent4ba97dff719b4cbeb7a4f6beddd2feb7404102d8 (diff)
downloadop-kernel-dev-57148964d946614ffc6621539096ded1e7d896ab.zip
op-kernel-dev-57148964d946614ffc6621539096ded1e7d896ab.tar.gz
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: NeilBrown <neilb@suse.de>
Diffstat (limited to 'drivers/md')
-rw-r--r--drivers/md/bitmap.c28
-rw-r--r--drivers/md/bitmap.h1
-rw-r--r--drivers/md/md.c23
3 files changed, 30 insertions, 22 deletions
diff --git a/drivers/md/bitmap.c b/drivers/md/bitmap.c
index 2c5dbc6..04df18e 100644
--- a/drivers/md/bitmap.c
+++ b/drivers/md/bitmap.c
@@ -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)
{
diff --git a/drivers/md/bitmap.h b/drivers/md/bitmap.h
index 557e3e8..e196e6a5 100644
--- a/drivers/md/bitmap.h
+++ b/drivers/md/bitmap.h
@@ -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);
diff --git a/drivers/md/md.c b/drivers/md/md.c
index 4566b61..26591cc 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -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");
}
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