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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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24
configure vendored
View file

@ -457,6 +457,7 @@ glusterfs_discard="no"
glusterfs_fallocate="no"
glusterfs_zerofill="no"
glusterfs_ftruncate_has_stat="no"
glusterfs_iocb_has_stat="no"
gtk=""
gtk_gl="no"
tls_priority="NORMAL"
@ -4105,6 +4106,25 @@ EOF
if compile_prog "$glusterfs_cflags" "$glusterfs_libs" ; then
glusterfs_ftruncate_has_stat="yes"
fi
cat > $TMPC << EOF
#include <glusterfs/api/glfs.h>
/* new glfs_io_cbk() passes two additional glfs_stat structs */
static void
glusterfs_iocb(glfs_fd_t *fd, ssize_t ret, struct glfs_stat *prestat, struct glfs_stat *poststat, void *data)
{}
int
main(void)
{
glfs_io_cbk iocb = &glusterfs_iocb;
iocb(NULL, 0 , NULL, NULL, NULL);
return 0;
}
EOF
if compile_prog "$glusterfs_cflags" "$glusterfs_libs" ; then
glusterfs_iocb_has_stat="yes"
fi
else
if test "$glusterfs" = "yes" ; then
feature_not_found "GlusterFS backend support" \
@ -6994,6 +7014,10 @@ if test "$glusterfs_ftruncate_has_stat" = "yes" ; then
echo "CONFIG_GLUSTERFS_FTRUNCATE_HAS_STAT=y" >> $config_host_mak
fi
if test "$glusterfs_iocb_has_stat" = "yes" ; then
echo "CONFIG_GLUSTERFS_IOCB_HAS_STAT=y" >> $config_host_mak
fi
if test "$libssh2" = "yes" ; then
echo "CONFIG_LIBSSH2=m" >> $config_host_mak
echo "LIBSSH2_CFLAGS=$libssh2_cflags" >> $config_host_mak