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authorIngo Molnar <mingo@elte.hu>2009-06-01 21:06:21 +0200
committerIngo Molnar <mingo@elte.hu>2009-06-01 21:06:21 +0200
commit3d58f48ba05caed9118bce62b3047f8683438835 (patch)
tree94c911034f0e14ded73d3e9e6e9f8e22b6cad822 /drivers/md/bitmap.c
parentabfe0af9813153bae8c85d9bac966bafcb8ddab1 (diff)
parentd9244b5d2fbfe9fa540024b410047af13ceec90f (diff)
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Merge branch 'linus' into irq/numa
Conflicts: arch/mips/sibyte/bcm1480/irq.c arch/mips/sibyte/sb1250/irq.c Merge reason: we gathered a few conflicts plus update to latest upstream fixes. Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'drivers/md/bitmap.c')
-rw-r--r--drivers/md/bitmap.c13
1 files changed, 7 insertions, 6 deletions
diff --git a/drivers/md/bitmap.c b/drivers/md/bitmap.c
index 47c68bc75a1..56df1cee8fb 100644
--- a/drivers/md/bitmap.c
+++ b/drivers/md/bitmap.c
@@ -1097,14 +1097,12 @@ void bitmap_daemon_work(struct bitmap *bitmap)
}
bitmap->allclean = 1;
+ spin_lock_irqsave(&bitmap->lock, flags);
for (j = 0; j < bitmap->chunks; j++) {
bitmap_counter_t *bmc;
- spin_lock_irqsave(&bitmap->lock, flags);
- if (!bitmap->filemap) {
+ if (!bitmap->filemap)
/* error or shutdown */
- spin_unlock_irqrestore(&bitmap->lock, flags);
break;
- }
page = filemap_get_page(bitmap, j);
@@ -1121,6 +1119,8 @@ void bitmap_daemon_work(struct bitmap *bitmap)
write_page(bitmap, page, 0);
bitmap->allclean = 0;
}
+ spin_lock_irqsave(&bitmap->lock, flags);
+ j |= (PAGE_BITS - 1);
continue;
}
@@ -1181,9 +1181,10 @@ void bitmap_daemon_work(struct bitmap *bitmap)
ext2_clear_bit(file_page_offset(j), paddr);
kunmap_atomic(paddr, KM_USER0);
}
- }
- spin_unlock_irqrestore(&bitmap->lock, flags);
+ } else
+ j |= PAGE_COUNTER_MASK;
}
+ spin_unlock_irqrestore(&bitmap->lock, flags);
/* now sync the final page */
if (lastpage != NULL) {