diff options
Diffstat (limited to 'drivers/md/bitmap.c')
| -rw-r--r-- | drivers/md/bitmap.c | 32 |
1 files changed, 14 insertions, 18 deletions
diff --git a/drivers/md/bitmap.c b/drivers/md/bitmap.c index f3a9dffc3fc8..a1862d9e6d83 100644 --- a/drivers/md/bitmap.c +++ b/drivers/md/bitmap.c @@ -737,10 +737,9 @@ static void bitmap_file_unmap(struct bitmap *bitmap) struct page **map, *sb_page; unsigned long *attr; int pages; - unsigned long flags; struct bitmap_storage *store = &bitmap->storage; - spin_lock_irqsave(&bitmap->lock, flags); + spin_lock_irq(&bitmap->lock); map = store->filemap; store->filemap = NULL; attr = store->filemap_attr; @@ -749,7 +748,7 @@ static void bitmap_file_unmap(struct bitmap *bitmap) store->file_pages = 0; sb_page = store->sb_page; store->sb_page = NULL; - spin_unlock_irqrestore(&bitmap->lock, flags); + spin_unlock_irq(&bitmap->lock); while (pages--) if (map[pages] != sb_page) /* 0 is sb_page, release it below */ @@ -764,12 +763,11 @@ static void bitmap_file_unmap(struct bitmap *bitmap) static void bitmap_file_put(struct bitmap *bitmap) { struct file *file; - unsigned long flags; - spin_lock_irqsave(&bitmap->lock, flags); + spin_lock_irq(&bitmap->lock); file = bitmap->storage.file; bitmap->storage.file = NULL; - spin_unlock_irqrestore(&bitmap->lock, flags); + spin_unlock_irq(&bitmap->lock); if (file) wait_event(bitmap->write_wait, @@ -901,7 +899,7 @@ static void bitmap_file_clear_bit(struct bitmap *bitmap, sector_t block) * sync the dirty pages of the bitmap file to disk */ void bitmap_unplug(struct bitmap *bitmap) { - unsigned long i, flags; + unsigned long i; int dirty, need_write; int wait = 0; @@ -911,9 +909,9 @@ void bitmap_unplug(struct bitmap *bitmap) /* look at each page to see if there are any set bits that need to be * flushed out to disk */ for (i = 0; i < bitmap->storage.file_pages; i++) { - spin_lock_irqsave(&bitmap->lock, flags); + spin_lock_irq(&bitmap->lock); if (!bitmap->storage.filemap) { - spin_unlock_irqrestore(&bitmap->lock, flags); + spin_unlock_irq(&bitmap->lock); return; } dirty = test_page_attr(bitmap, i, BITMAP_PAGE_DIRTY); @@ -924,7 +922,7 @@ void bitmap_unplug(struct bitmap *bitmap) clear_page_attr(bitmap, i, BITMAP_PAGE_PENDING); if (dirty) wait = 1; - spin_unlock_irqrestore(&bitmap->lock, flags); + spin_unlock_irq(&bitmap->lock); if (dirty || need_write) write_page(bitmap, bitmap->storage.filemap[i], 0); @@ -1129,7 +1127,6 @@ void bitmap_daemon_work(struct mddev *mddev) struct bitmap *bitmap; unsigned long j; unsigned long nextpage; - unsigned long flags; sector_t blocks; /* Use a mutex to guard daemon_work against @@ -1156,7 +1153,7 @@ void bitmap_daemon_work(struct mddev *mddev) * So set NEEDWRITE now, then after we make any last-minute changes * we will write it. */ - spin_lock_irqsave(&bitmap->lock, flags); + spin_lock_irq(&bitmap->lock); for (j = 0; j < bitmap->storage.file_pages; j++) if (test_page_attr(bitmap, j, BITMAP_PAGE_PENDING)) { @@ -1235,14 +1232,14 @@ void bitmap_daemon_work(struct mddev *mddev) BITMAP_PAGE_NEEDWRITE)) { clear_page_attr(bitmap, j, BITMAP_PAGE_NEEDWRITE); - spin_unlock_irqrestore(&bitmap->lock, flags); + spin_unlock_irq(&bitmap->lock); write_page(bitmap, bitmap->storage.filemap[j], 0); - spin_lock_irqsave(&bitmap->lock, flags); + spin_lock_irq(&bitmap->lock); if (!bitmap->storage.filemap) break; } } - spin_unlock_irqrestore(&bitmap->lock, flags); + spin_unlock_irq(&bitmap->lock); done: if (bitmap->allclean == 0) @@ -1815,12 +1812,11 @@ 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); + spin_lock_irq(&bitmap->lock); chunk_kb = bitmap->mddev->bitmap_info.chunksize >> 10; seq_printf(seq, "bitmap: %lu/%lu pages [%luKB], " "%lu%s chunk", @@ -1836,7 +1832,7 @@ void bitmap_status(struct seq_file *seq, struct bitmap *bitmap) } seq_printf(seq, "\n"); - spin_unlock_irqrestore(&bitmap->lock, flags); + spin_unlock_irq(&bitmap->lock); } static ssize_t |