Commit f248a516 authored by Oleg Drokin's avatar Oleg Drokin Committed by Greg Kroah-Hartman

staging/lustre: Remove unused lustre_build_lock_params()

And also struct lustre_rw_params that is only referenced by it.
Signed-off-by: default avatarOleg Drokin <green@linuxhacker.ru>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 4c17e28a
......@@ -53,54 +53,6 @@
#define LL_MAX_BLKSIZE_BITS (22)
#define LL_MAX_BLKSIZE (1UL<<LL_MAX_BLKSIZE_BITS)
#include "lustre/lustre_user.h"
struct lustre_rw_params {
int lrp_lock_mode;
ldlm_policy_data_t lrp_policy;
u32 lrp_brw_flags;
int lrp_ast_flags;
};
/*
* XXX nikita: this function lives in the header because it is used by both
* llite kernel module and liblustre library, and there is no (?) better place
* to put it in.
*/
static inline void lustre_build_lock_params(int cmd, unsigned long open_flags,
__u64 connect_flags,
loff_t pos, ssize_t len,
struct lustre_rw_params *params)
{
params->lrp_lock_mode = (cmd == OBD_BRW_READ) ? LCK_PR : LCK_PW;
params->lrp_brw_flags = 0;
params->lrp_policy.l_extent.start = pos;
params->lrp_policy.l_extent.end = pos + len - 1;
/*
* for now O_APPEND always takes local locks.
*/
if (cmd == OBD_BRW_WRITE && (open_flags & O_APPEND)) {
params->lrp_policy.l_extent.start = 0;
params->lrp_policy.l_extent.end = OBD_OBJECT_EOF;
} else if (LIBLUSTRE_CLIENT && (connect_flags & OBD_CONNECT_SRVLOCK)) {
/*
* liblustre: OST-side locking for all non-O_APPEND
* reads/writes.
*/
params->lrp_lock_mode = LCK_NL;
params->lrp_brw_flags = OBD_BRW_SRVLOCK;
} else {
/*
* nothing special for the kernel. In the future llite may use
* OST-side locks for small writes into highly contended
* files.
*/
}
params->lrp_ast_flags = (open_flags & O_NONBLOCK) ?
LDLM_FL_BLOCK_NOWAIT : 0;
}
/*
* This is embedded into liblustre and llite super-blocks to keep track of
* connect flags (capabilities) supported by all imports given mount is
......
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