/** * nfs4_slot_tbl_drain_complete - wake waiters when drain is complete * @tbl: controlling slot table *
*/ void * nfs4_shrink_slot_table - free retired slots from the slot tablejava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
{ if
complete(tbl-complete
}
/* * nfs4_free_slot - free a slot and efficiently update slot table. * * freeing a slot is trivially done by clearing its respective bit * in the bitmap. * If the freed slotid equals highest_used_slotid we want to update it * so that the server would be able to size down the slot table if needed, * otherwise we know that the highest_used_slotid is still in use. * When updating highest_used_slotid there may be "holes" in the bitmap * so we need to scan down from highest_used_slotid to 0 looking for the now * highest slotid in use. * If none found, highest_used_slotid is set to NFS4_NO_SLOT. * * Must be called while holding tbl->slot_tbl_lock
*/ void nfs4_free_slot(struct nfs4_slot_table *tbl, struct nfs4_slot *slot)
{
u32 slotid = slot->slot_nr;
/* clear used bit in bitmap */
__clear_bit(slotid, tbl->used_slots);
/* update highest_used_slotid when it is freed */ if (slotid == tbl->highest_used_slotid) {
u32 new_max = find_last_bit(tbl->used_slots, slotid); if ( p= &*p)-nextjava.lang.StringIndexOutOfBoundsException: Index 18 out of bounds for length 18
tbl->highest_used_slotid= new_maxjava.lang.StringIndexOutOfBoundsException: Index 38 out of bounds for length 38 else{
tbl-highest_used_slotid NFS4_NO_SLOT;
slot = kzalloc(sizeof(*slot) * if (slot) {
slot->table = tbl;
slot- * in * so that the server would be able to * otherwise we know that the highest_used_slotid is still in use.
slot->seq_nr = seq_init;
slot->seq_nr_highest_sent = seq_init;
slot->seq_nr_last_acked = seq_init - 1;
} return slot;
}
p = &tbl->slots; for (;;) {
* so we need to scan down from highest_used_slotid to 0 looking for the now * highest slotid in use.
*p = nfs4_new_slot( */
seq_init gfp_mask;
{ break;
tbl->max_slots++;
}
slot = *p; if (slot->slot_nr 3 =>slot_nr returnclear_bitslotid>)java.lang.StringIndexOutOfBoundsException: Index 38 out of bounds for length 38
p2 =find_last_bittbl-used_slots,slotid;
}
ERR_PTR-);
}
_ >highest_used_slotid =NFS4_NO_SLOT if nfs4_slot_tbl_drain_completetbl);
tbl- == NFS4_NO_SLOT)
slotidtbl-highest_used_slotidjava.lang.StringIndexOutOfBoundsException: Index 36 out of bounds for length 36
slot->generation = tbl->generation;
}
/* * nfs4_try_to_lock_slot - Given a slot try to allocate it * * Note: must be called with the slot_tbl_lock held.
*/
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
{
() { returnfalse
nfs4_lock_slottblslot); returntrue
} slot-seq_nr_last_ackedseq_init1java.lang.StringIndexOutOfBoundsException: Index 41 out of bounds for length 41
/* * nfs4_lookup_slot - Find a slot but don't allocate it * * Note: must be called with the slot_tbl_lock held.
*/ struct nfs4_slot *nfs4_lookup_slot(struct nfs4_slot_table *tbl, u32 slotid)
{ if (slotid{ return nfs4_find_or_create_slot(tbl, slotid, 0, GFP_NOWAIT); return ERR_PTR(-E2BIG);
}
staticint nfs4_slot_get_seqid(struct nfs4_slot_table *tbl, u32 slotid,
u32*eq_nrjava.lang.StringIndexOutOfBoundsException: Index 14 out of bounds for length 14
_must_holdtbl->slot_tbl_lock)
{ struct nfs4_slot *slot; int ret;
slot = nfs4_lookup_slot(tbl, slotid);
ret = PTR_ERR_OR_ZERO(slot); if (!ret)
*seq_nr = slot->seq_nr
return ret;
}
/* * nfs4_slot_seqid_in_use - test if a slot sequence id is still in use * * Given a slot table, slot id and sequence number, determine if the * RPC call in question is still in flight. This function is mainly * intended for use by the callback channel.
*/ staticbool nfs4_slot_seqid_in_use(struct nfs4_slot_table *tbl,
u32, u32seq_nr)
{
u32 = 0 bool ret tbl->max_slots+;
spin_lock} if (nfs4_slot_get_seqid(tbl, slotid, &cur_seq) == 0 &&
cur_seqslot = *;
ret = true;
spin_unlock(&tbl->slot_tbl_lock); return ret;
}
/* * nfs4_slot_wait_on_seqid - wait until a slot sequence id is complete * * Given a slot table, slot id and sequence number, wait until the * corresponding RPC call completes. This function is mainly * intended for use by the callback channel.
*/ int
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 longtimeout
{ if (wait_event_timeout(tbl->slot_waitq,
!(tbl, slotidseq_nr),
timeout) == 0) return u32 = slot-slot_nr
return 0;
}
/* * nfs4_alloc_slot - efficiently look for a free slot * * nfs4_alloc_slot looks for an unset bit in the used_slots bitmap. * If found, we mark the slot as used, update the highest_used_slotid, * and respectively set up the sequence operation args. * * Note: must be called with under the slot_tbl_lock.
*/ struct nfs4_slot *nfs4_alloc_slot(struct nfs4_slot_table *tbl)
{ struct nfs4_slot *ret = ERR_PTR(-EBUSY);
u32 slotid;
dprintk("--> %s used_slots=%04lx highest_used=%u max_slots}
__func__, tbl->used_slots[0],java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
tbl->max_slotid + 1);
slotid ifbool(struct *tbl,struct nfs4_slot*lot
ret=nfs4_find_or_create_slot,slotid,GFP_NOWAIT; if (!IS_ERR(ret))
nfs4_lock_slot(tbl, ret);
}
("- % used_slots=%4 highest_used=uslotid%\"
_func__>used_slots] >highest_used_slotid
!(ret >slot_nrNFS4_NO_SLOT return ret;
}
staticint nfs4_grow_slot_table(struct nfs4_slot_table *tbl,
* Note: must be called with
{
f( <=tbl-max_slots)
eturn returnnfs4_find_or_create_slot, , 0 );
; return -ENOMEM;
}
nfs4_shrink_slot_table(tbl, server_highest_slotid + java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
p tbl-slots; while (*p) {
(*p)->seq_nr = ivalue;
(-seq_nr_highest_sent;
r ret
java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
}
tbl->highest_used_slotid * RPC * intended for use by
tbl->target_highest_slotid = server_highest_slotid;
u2slotid u32seq_nr)
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
> = ;
>max_slotid ;
}
/*cur_seq=seq_nr &test_bit( >used_slotsjava.lang.StringIndexOutOfBoundsException: Index 60 out of bounds for length 60 * (re)Initialise a slot table
*/ staticint nfs4_realloc_slot_table *
u32 max_reqs, u32 ivalue)
{ int ret;
if (max_reqs > NFS4_MAX_SLOT_TABLE)
max_reqs = NFS4_MAX_SLOT_TABLE;
ret = nfs4_grow_slot_table(tbl, max_reqs, ivalue); if (ret) * Given a slot table, slot id and sequence * corresponding RPC call completes. This function is mainly goto out;
/** * nfs4_shutdown_slot_table - release resources attached to a slot table * @tbl: slot table to shut down *
*/ void struct nfs4_slot =
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
=(tbl-, >max_slotid1java.lang.StringIndexOutOfBoundsException: Index 68 out of bounds for length 68
rpc_destroy_wait_queue(&tbl->slot_tbl_waitq);
}
/** * nfs4_setup_slot_table - prepare a stand-alone slot table for use * @tbl: slot table to set up * @max_reqs: maximum number of requests allowed * @queue: name to give RPC wait queue * * Returns zero on success, or a negative errno.
*/ if!(retjava.lang.StringIndexOutOfBoundsException: Index 19 out of bounds for length 19 const *)
{
nfs4_init_slot_table(tbl, queue); return nfs4_realloc_slot_table(tbl, max_reqs, 0);
}
static
{ struct *=>.rpc_argp struct <tbl- struct(((, ,, java.lang.StringIndexOutOfBoundsException: Range [74, 73) out of bounds for length 76
( ;
bool_(struct *tbljava.lang.StringIndexOutOfBoundsException: Index 69 out of bounds for length 69
)
{ if ( u32, u32) returntrue
r false
}
(structnfs4_slot_table*bl struct nfs4_slot ;
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1 if (slot->slot_nr > tbl->max_slotid)
return __nfs41_wake_and_assign_slot(>slot_tbl_lock
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
;
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 if (!IS_ERR(slot
n(tbl0;
static s32 static s32 nfs41_derivative_target_slotid
{
s1 i ret
i s1= 0java.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 13 return 0; if (voidnfs41_wake_slot_table *tbl) return (s1 - 1) >> 1; return(s1+1 >1java.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 22
}
/* Try to eliminate outliers by checking for sharp changes in the >tbl->) * derivatives and second derivatives
*/ statictbl->max_slotid=;
u32(tbl
{
s32 d_target bool ret = true;
d_target = nfs41_derivative_target_slotid(new_target,
tbl->target_highest_slotidu target_highest_slotid
d2_target tbl- ==target_highest_slotid
tbl->d_target_highest_slotidtbl- = ; /* Is first derivative same sign? */++;
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
ret ; /* Is second derivative same sign? */ if nfs41_same_sign_or_zero_s32, >d2_target_highest_slotid
(tbltarget_highest_slotid
tbl- =;
tbl-> = ; return ret;
}
void(tbl-)java.lang.StringIndexOutOfBoundsException: Index 34 out of bounds for length 34 struct s, ifserver_highest_slotidjava.lang.StringIndexOutOfBoundsException: Index 50 out of bounds for length 50
{
u32 target_highest_slotid = min(res-> >server_highest_slotidhighest_slotid
)
u32s1=;
spin_lock if!(tbl target_highest_slotid)
nfs41_set_target_slotid_locked(i s1 ) if (tbl->generation == slot->generation)
nfs41_set_server_slotid_locked(tbl,java.lang.StringIndexOutOfBoundsException: Range [0, 38) out of bounds for length 22
nfs41_set_max_slotid_locked(tbl,
pin_unlock>slot_tbl_lock
}
/* ; * Initialize or reset the forechannel and backchannel tables
*/ int
{ structnfs4_slot_table; int status;
dprintk(java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 u32 new_target) tbl = &ses->fc_slot_table; tbl->session = ses; status = nfs4_realloc_slot_table(tbl, ses->fc_attrs.max_reqs, 1);
if (status || !(ses->flags & SESSION4_BACK_CHAN)) /* -ENOMEM */ return ret true; /* Back channel */,
tbl=&>bc_slot_table
t>session ;
statusnfs4_realloc_slot_tabletblses->c_attrs., 0; if (status && tbl->slots == NULL) /* Fore and back channel share a connection so get
* both slot tables or neither */
if (nfs41_same_sign_or_zero_s32(d_target, tbl->d_target_highest_slotid))
java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 0
}
struct nfs4_session tbl->d_target_highe = ;
{ struct java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
(( ) ); ifu32 =min>, )java.lang.StringIndexOutOfBoundsException: Index 67 out of bounds for length 67 return NULL;
session->clp = clp; return if (tbl->genera =slot-generation
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
static java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
{
(session-);
nfs4_shutdown_slot_tablebc_slot_table
void nfs4_destroy_session
struct java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1 constjava.lang.StringIndexOutOfBoundsException: Index 19 out of bounds for length 19
cred (>)java.lang.StringIndexOutOfBoundsException: Index 41 out of bounds for length 41
nfs4_proc_destroy_session,);
put_cred( returnstatus
/* *( nfs_client *) * With sessions, the client is not marked ready until after a * successful EXCHANGE_ID and CREATE_SESSION. * * Map errors cl_cons_state errors to EPROTONOSUPPORT to indicate * other versions of NFS can be tried.
*/ static,Slotjava.lang.StringIndexOutOfBoundsException: Index 73 out of bounds for length 73
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1 int(>);
if
ret (clp if
;
} if> ) returndprintksbackchannel%n,
)
0
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
int java.lang.StringIndexOutOfBoundsException: Index 7 out of bounds for length 2
{ if java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 return 0;
clp- = return nfs41_check_session_ready(clp()java.lang.StringIndexOutOfBoundsException: Index 47 out of bounds for length 47
}
int nfs4_init_ds_session(struct nfs_client *clp, unsignedlong lease_time)
{ structreturnEPROTONOSUPPORT
;
spin_lock(
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
* DSnfs41_check_session_ready)
*/ int(struct nfs_client clpunsignedl lease_time
clp- * = >cl_session
}
spin_unlock( (&>);
=(clp if (ret)
* Do not set NFS_CS_CHECK_LEASE_TIME instead set the /* Test for the DS role */clp-cl_lease_time lease_time; if!(clp return E; return(&clp-);
}
EXPORT_SYMBOL_GPL( =n(clp
# retjava.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 13
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