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| author | Christoph Hellwig | 2016-02-08 04:40:51 +0100 |
|---|---|---|
| committer | Dave Chinner | 2016-02-08 04:40:51 +0100 |
| commit | 187372a3b9faff68ed61c291d0135e6739e0dbdf (patch) | |
| tree | 7eeed8ee2944dbdcc60ec49cf08f1b1604400b3e /fs/ext4/inode.c | |
| parent | Linux 4.5-rc2 (diff) | |
| download | kernel-qcow2-linux-187372a3b9faff68ed61c291d0135e6739e0dbdf.tar.gz kernel-qcow2-linux-187372a3b9faff68ed61c291d0135e6739e0dbdf.tar.xz kernel-qcow2-linux-187372a3b9faff68ed61c291d0135e6739e0dbdf.zip | |
direct-io: always call ->end_io if non-NULL
This way we can pass back errors to the file system, and allow for
cleanup required for all direct I/O invocations.
Also allow the ->end_io handlers to return errors on their own, so that
I/O completion errors can be passed on to the callers.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Dave Chinner <david@fromorbit.com>
Diffstat (limited to 'fs/ext4/inode.c')
| -rw-r--r-- | fs/ext4/inode.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c index 83bc8bfb3bea..9db04dd9b88a 100644 --- a/fs/ext4/inode.c +++ b/fs/ext4/inode.c @@ -3161,14 +3161,17 @@ out: } #endif -static void ext4_end_io_dio(struct kiocb *iocb, loff_t offset, +static int ext4_end_io_dio(struct kiocb *iocb, loff_t offset, ssize_t size, void *private) { ext4_io_end_t *io_end = iocb->private; + if (size <= 0) + return 0; + /* if not async direct IO just return */ if (!io_end) - return; + return 0; ext_debug("ext4_end_io_dio(): io_end 0x%p " "for inode %lu, iocb 0x%p, offset %llu, size %zd\n", @@ -3179,6 +3182,8 @@ static void ext4_end_io_dio(struct kiocb *iocb, loff_t offset, io_end->offset = offset; io_end->size = size; ext4_put_io_end(io_end); + + return 0; } /* |