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gluster: the glfs_io_cbk callback function pointer adds pre/post stat args

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The glfs_*_async() functions do a callback once finished. This callback
has changed its arguments, pre- and post-stat structures have been
added. This makes it possible to improve caching, which is useful for
Samba and NFS-Ganesha, but not so much for QEMU. Gluster 6 is the first
release that includes these new arguments.

With an additional detection in ./configure, the new arguments can
conditionally get included in the glfs_io_cbk handler.

Signed-off-by: Niels de Vos <ndevos@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Niels de Vos 2019-03-05 16:46:34 +01:00 • committed by Kevin Wolf
parent e014dbe74e
commit 0e3b891fef
2 changed files with 29 additions and 1 deletions
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6
block/gluster.c
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@ -729,7 +729,11 @@ static struct glfs *qemu_gluster_init(BlockdevOptionsGluster *gconf,
/*
* AIO callback routine called from GlusterFS thread.
*/
static void gluster_finish_aiocb(struct glfs_fd *fd, ssize_t ret, void *arg)
static void gluster_finish_aiocb(struct glfs_fd *fd, ssize_t ret,
#ifdef CONFIG_GLUSTERFS_IOCB_HAS_STAT
struct glfs_stat *pre, struct glfs_stat *post,
#endif
void *arg)
{
GlusterAIOCB *acb = (GlusterAIOCB *)arg;