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| author | Mike Marshall <hubcap@omnibond.com> | 2016-01-15 14:22:14 -0500 |
|---|---|---|
| committer | Mike Marshall <hubcap@omnibond.com> | 2016-01-15 14:22:14 -0500 |
| commit | 5e1f3938f9e4ef539031d639879cb1cea870fab5 (patch) | |
| tree | b262a7c002b05b7bc800a106d6ca6777dabe15bf /fs/direct-io.c | |
| parent | 1808f8cc6cb2842c53147eccfd5e88044d0d22a6 (diff) | |
| parent | afd2ff9b7e1b367172f18ba7f693dfb62bdcb2dc (diff) | |
| download | linux-rpi-5e1f3938f9e4ef539031d639879cb1cea870fab5.tar.gz linux-rpi-5e1f3938f9e4ef539031d639879cb1cea870fab5.tar.bz2 linux-rpi-5e1f3938f9e4ef539031d639879cb1cea870fab5.zip | |
Orangefs: merge with V4.4
Merge tag 'v4.4' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux into current
Linux 4.4
Diffstat (limited to 'fs/direct-io.c')
| -rw-r--r-- | fs/direct-io.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/fs/direct-io.c b/fs/direct-io.c index cb5337d8c273..602e8441bc0f 100644 --- a/fs/direct-io.c +++ b/fs/direct-io.c @@ -1169,6 +1169,16 @@ 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); + retval = 0; + goto out; + } + /* * For file extending writes updating i_size before data writeouts * complete can expose uninitialized blocks in dumb filesystems. @@ -1222,7 +1232,6 @@ 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; |