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| author | Pablo Neira Ayuso <pablo@netfilter.org> | 2015-12-14 22:29:00 +0300 |
|---|---|---|
| committer | Pablo Neira Ayuso <pablo@netfilter.org> | 2015-12-14 22:31:16 +0300 |
| commit | a4ec80082c82f3fda775d13b2a72aac38248ced6 (patch) | |
| tree | 23affbe49c629cbbdb5553ca78aa444a7ccf2ead /fs/direct-io.c | |
| parent | 19576c9478682a398276c994ea0d2696474df32b (diff) | |
| parent | cb4396edd84ed73081635fb933d19c1410fafaf4 (diff) | |
| download | linux-a4ec80082c82f3fda775d13b2a72aac38248ced6.tar.xz | |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next
Resolve conflict between commit 264640fc2c5f4f ("ipv6: distinguish frag
queues by device for multicast and link-local packets") from the net
tree and commit 029f7f3b8701c ("netfilter: ipv6: nf_defrag: avoid/free
clone operations") from the nf-next tree.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Conflicts:
net/ipv6/netfilter/nf_conntrack_reasm.c
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; |