diff options
| author | David S. Miller <davem@davemloft.net> | 2015-12-03 21:03:21 -0500 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2015-12-03 21:09:12 -0500 |
| commit | f188b951f33a0464338f94f928338f84fc0e4392 (patch) | |
| tree | 17ad63719242b1de0266627a1dc92ba869a3ba4e /fs/direct-io.c | |
| parent | 6b20da4d8f3f6a3be9f67e3207f435cfaa5f7f97 (diff) | |
| parent | 071f5d105a0ae93aeb02197c4ee3557e8cc57a21 (diff) | |
| download | linux-next-f188b951f33a0464338f94f928338f84fc0e4392.tar.gz | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Conflicts:
drivers/net/ethernet/renesas/ravb_main.c
kernel/bpf/syscall.c
net/ipv4/ipmr.c
All three conflicts were cases of overlapping changes.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'fs/direct-io.c')
| -rw-r--r-- | fs/direct-io.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/fs/direct-io.c b/fs/direct-io.c index cb5337d8c273..1c75a3a07f8f 100644 --- a/fs/direct-io.c +++ b/fs/direct-io.c @@ -1169,6 +1169,15 @@ do_blockdev_direct_IO(struct kiocb *iocb, struct inode *inode, } } + /* Once we sampled i_size check for reads beyond EOF */ + dio->i_size = i_size_read(inode); + if (iov_iter_rw(iter) == READ && offset >= dio->i_size) { + if (dio->flags & DIO_LOCKING) + mutex_unlock(&inode->i_mutex); + kmem_cache_free(dio_cache, dio); + goto out; + } + /* * For file extending writes updating i_size before data writeouts * complete can expose uninitialized blocks in dumb filesystems. @@ -1222,7 +1231,6 @@ do_blockdev_direct_IO(struct kiocb *iocb, struct inode *inode, sdio.next_block_for_io = -1; dio->iocb = iocb; - dio->i_size = i_size_read(inode); spin_lock_init(&dio->bio_lock); dio->refcount = 1; |