diff options
Diffstat (limited to 'fs/buffer.c')
| -rw-r--r-- | fs/buffer.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/fs/buffer.c b/fs/buffer.c index ab7573d72dd7..46bc589b7a03 100644 --- a/fs/buffer.c +++ b/fs/buffer.c @@ -878,7 +878,7 @@ link_dev_buffers(struct page *page, struct buffer_head *head) static sector_t blkdev_max_block(struct block_device *bdev, unsigned int size) { sector_t retval = ~((sector_t)0); - loff_t sz = i_size_read(bdev->bd_inode); + loff_t sz = bdev_nr_bytes(bdev); if (sz) { unsigned int sizebits = blksize_bits(size); @@ -897,7 +897,7 @@ init_page_buffers(struct page *page, struct block_device *bdev, struct buffer_head *head = page_buffers(page); struct buffer_head *bh = head; int uptodate = PageUptodate(page); - sector_t end_block = blkdev_max_block(I_BDEV(bdev->bd_inode), size); + sector_t end_block = blkdev_max_block(bdev, size); do { if (!buffer_mapped(bh)) { @@ -1425,12 +1425,16 @@ void invalidate_bh_lrus(void) } EXPORT_SYMBOL_GPL(invalidate_bh_lrus); -void invalidate_bh_lrus_cpu(int cpu) +/* + * It's called from workqueue context so we need a bh_lru_lock to close + * the race with preemption/irq. + */ +void invalidate_bh_lrus_cpu(void) { struct bh_lru *b; bh_lru_lock(); - b = per_cpu_ptr(&bh_lrus, cpu); + b = this_cpu_ptr(&bh_lrus); __invalidate_bh_lrus(b); bh_lru_unlock(); } |