#ifndef _RDS_INFO_H
#define _RDS_INFO_H
struct rds_info_lengths {
unsigned int nr;
unsigned int each;
};
struct rds_info_iterator;
/*
* These functions must fill in the fields of @lens to reflect the size
* of the available info source. If the snapshot fits in @len then it
* should be copied using @iter. The caller will deduce if it was copied
* or not by comparing the lengths.
*/
typedef void (*rds_info_func)(struct socket *sock, unsigned int len,
struct rds_info_iterator *iter,
struct rds_info_lengths *lens);
void rds_info_register_func(int optname, rds_info_func func);
void rds_info_deregister_func(int optname, rds_info_func func);
int rds_info_getsockopt(struct socket *sock, int optname, char __user *optval,
int __user *optlen);
void rds_info_copy(struct rds_info_iterator *iter, void *data,
unsigned long bytes);
void rds_info_iter_unmap(struct rds_info_iterator *iter);
#endif
d='get'>
Merge branch 'for-linus' of git://git.kernel.dk/linux-block
Pull block fixes from Jens Axboe:
"A set of fixes for this series. This contains:
- Set of fixes for the nvme target code
- A revert of patch from this merge window, causing a regression with
WRITE_SAME on iSCSI targets at least.
- A fix for a use-after-free in the new O_DIRECT bdev code.
- Two fixes for the xen-blkfront driver"
* 'for-linus' of git://git.kernel.dk/linux-block:
Revert "sd: remove __data_len hack for WRITE SAME"
nvme-fc: use blk_rq_nr_phys_segments
nvmet-rdma: Fix missing dma sync to nvme data structures
nvmet: Call fatal_error from keep-alive timout expiration
nvmet: cancel fatal error and flush async work before free controller
nvmet: delete controllers deletion upon subsystem release
nvmet_fc: correct logic in disconnect queue LS handling
block: fix use after free in __blkdev_direct_IO
xen-blkfront: correct maximum segment accounting
xen-blkfront: feature flags handling adjustments