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| author |   Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2012-07-24 22:43:04 -0700 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2012-07-24 22:43:04 -0700 |
| commit | 314820c9e892d8f41ba4db300ec96770d9c8294b (patch) | |
| tree | 3d5c59a429239b180c77e57f998a78d3f2b79827 /fs/buffer.c | |
| parent | Input: xpad - add Andamiro Pump It Up pad (diff) | |
| parent | Input: add MELFAS mms114 touchscreen driver (diff) | |
| download | linux-rng-314820c9e892d8f41ba4db300ec96770d9c8294b.tar.xz linux-rng-314820c9e892d8f41ba4db300ec96770d9c8294b.zip | |
Merge branch 'next' into for-linus
Diffstat (limited to 'fs/buffer.c')
| -rw-r--r-- | fs/buffer.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/fs/buffer.c b/fs/buffer.c index 36d66653b931..838a9cf246bd 100644 --- a/fs/buffer.c +++ b/fs/buffer.c @@ -921,6 +921,7 @@ 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)); do { if (!buffer_mapped(bh)) { @@ -929,7 +930,8 @@ init_page_buffers(struct page *page, struct block_device *bdev, bh->b_blocknr = block; if (uptodate) set_buffer_uptodate(bh); - set_buffer_mapped(bh); + if (block < end_block) + set_buffer_mapped(bh); } block++; bh = bh->b_this_page; @@ -985,7 +987,6 @@ grow_dev_page(struct block_device *bdev, sector_t block, return page; failed: - BUG(); unlock_page(page); page_cache_release(page); return NULL; @@ -3151,7 +3152,7 @@ SYSCALL_DEFINE2(bdflush, int, func, long, data) /* * Buffer-head allocation */ -static struct kmem_cache *bh_cachep; +static struct kmem_cache *bh_cachep __read_mostly; /* * Once the number of bh's in the machine exceeds this level, we start |