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-rw-r--r--arch/x86/include/asm/mach-default/mach_wakecpu.h6
-rw-r--r--arch/x86/include/asm/mtrr.h10
-rw-r--r--arch/x86/kernel/apic.c1
-rw-r--r--arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c25
-rw-r--r--arch/x86/kernel/mpparse.c1
-rw-r--r--arch/x86/mm/fault.c2
-rw-r--r--fs/dlm/debug_fs.c696
-rw-r--r--fs/dlm/dlm_internal.h2
-rw-r--r--fs/dlm/lock.c26
-rw-r--r--fs/dlm/lockspace.c2
-rw-r--r--fs/dlm/recover.c10
-rw-r--r--include/sound/soc-dapm.h2
-rw-r--r--include/sound/soc.h15
-rw-r--r--sound/pci/hda/hda_beep.c1
-rw-r--r--sound/pci/hda/hda_codec.c48
-rw-r--r--sound/pci/hda/hda_codec.h2
-rw-r--r--sound/pci/hda/hda_intel.c6
-rw-r--r--sound/pci/hda/patch_analog.c5
-rw-r--r--sound/pci/hda/patch_nvhdmi.c2
-rw-r--r--sound/pci/hda/patch_realtek.c18
-rw-r--r--sound/soc/codecs/twl4030.c12
-rw-r--r--sound/soc/soc-core.c37
-rw-r--r--sound/soc/soc-dapm.c80
-rw-r--r--sound/usb/caiaq/caiaq-device.c2
-rw-r--r--sound/usb/caiaq/caiaq-device.h1
-rw-r--r--sound/usb/caiaq/caiaq-midi.c32
26 files changed, 471 insertions, 573 deletions
diff --git a/arch/x86/include/asm/mach-default/mach_wakecpu.h b/arch/x86/include/asm/mach-default/mach_wakecpu.h
index ceb01366014..89897a6a65b 100644
--- a/arch/x86/include/asm/mach-default/mach_wakecpu.h
+++ b/arch/x86/include/asm/mach-default/mach_wakecpu.h
@@ -24,7 +24,13 @@ static inline void restore_NMI_vector(unsigned short *high, unsigned short *low)
{
}
+#ifdef CONFIG_SMP
extern void __inquire_remote_apic(int apicid);
+#else /* CONFIG_SMP */
+static inline void __inquire_remote_apic(int apicid)
+{
+}
+#endif /* CONFIG_SMP */
static inline void inquire_remote_apic(int apicid)
{
diff --git a/arch/x86/include/asm/mtrr.h b/arch/x86/include/asm/mtrr.h
index cb988aab716..14080d22edb 100644
--- a/arch/x86/include/asm/mtrr.h
+++ b/arch/x86/include/asm/mtrr.h
@@ -58,15 +58,15 @@ struct mtrr_gentry {
#endif /* !__i386__ */
struct mtrr_var_range {
- u32 base_lo;
- u32 base_hi;
- u32 mask_lo;
- u32 mask_hi;
+ __u32 base_lo;
+ __u32 base_hi;
+ __u32 mask_lo;
+ __u32 mask_hi;
};
/* In the Intel processor's MTRR interface, the MTRR type is always held in
an 8 bit field: */
-typedef u8 mtrr_type;
+typedef __u8 mtrr_type;
#define MTRR_NUM_FIXED_RANGES 88
#define MTRR_MAX_VAR_RANGES 256
diff --git a/arch/x86/kernel/apic.c b/arch/x86/kernel/apic.c
index 566a08466b1..0f830e4f567 100644
--- a/arch/x86/kernel/apic.c
+++ b/arch/x86/kernel/apic.c
@@ -47,6 +47,7 @@
#include <asm/proto.h>
#include <asm/apic.h>
#include <asm/i8259.h>
+#include <asm/smp.h>
#include <mach_apic.h>
#include <mach_apicdef.h>
diff --git a/arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c b/arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c
index 06fcd8f9323..6f11e029e8c 100644
--- a/arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c
+++ b/arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c
@@ -150,9 +150,8 @@ struct drv_cmd {
u32 val;
};
-static long do_drv_read(void *_cmd)
+static void do_drv_read(struct drv_cmd *cmd)
{
- struct drv_cmd *cmd = _cmd;
u32 h;
switch (cmd->type) {
@@ -167,12 +166,10 @@ static long do_drv_read(void *_cmd)
default:
break;
}
- return 0;
}
-static long do_drv_write(void *_cmd)
+static void do_drv_write(struct drv_cmd *cmd)
{
- struct drv_cmd *cmd = _cmd;
u32 lo, hi;
switch (cmd->type) {
@@ -189,23 +186,30 @@ static long do_drv_write(void *_cmd)
default:
break;
}
- return 0;
}
static void drv_read(struct drv_cmd *cmd)
{
+ cpumask_t saved_mask = current->cpus_allowed;
cmd->val = 0;
- work_on_cpu(cpumask_any(cmd->mask), do_drv_read, cmd);
+ set_cpus_allowed_ptr(current, cmd->mask);
+ do_drv_read(cmd);
+ set_cpus_allowed_ptr(current, &saved_mask);
}
static void drv_write(struct drv_cmd *cmd)
{
+ cpumask_t saved_mask = current->cpus_allowed;
unsigned int i;
for_each_cpu(i, cmd->mask) {
- work_on_cpu(i, do_drv_write, cmd);
+ set_cpus_allowed_ptr(current, cpumask_of(i));
+ do_drv_write(cmd);
}
+
+ set_cpus_allowed_ptr(current, &saved_mask);
+ return;
}
static u32 get_cur_val(const struct cpumask *mask)
@@ -231,15 +235,10 @@ static u32 get_cur_val(const struct cpumask *mask)
return 0;
}
- if (unlikely(!alloc_cpumask_var(&cmd.mask, GFP_KERNEL)))
- return 0;
-
cpumask_copy(cmd.mask, mask);
drv_read(&cmd);
- free_cpumask_var(cmd.mask);
-
dprintk("get_cur_val = %u\n", cmd.val);
return cmd.val;
diff --git a/arch/x86/kernel/mpparse.c b/arch/x86/kernel/mpparse.c
index c0601c2848a..a649a4ccad4 100644
--- a/arch/x86/kernel/mpparse.c
+++ b/arch/x86/kernel/mpparse.c
@@ -27,6 +27,7 @@
#include <asm/e820.h>
#include <asm/trampoline.h>
#include <asm/setup.h>
+#include <asm/smp.h>
#include <mach_apic.h>
#ifdef CONFIG_X86_32
diff --git a/arch/x86/mm/fault.c b/arch/x86/mm/fault.c
index 9e268b6b204..90dfae511a4 100644
--- a/arch/x86/mm/fault.c
+++ b/arch/x86/mm/fault.c
@@ -534,7 +534,7 @@ static int vmalloc_fault(unsigned long address)
happen within a race in page table update. In the later
case just flush. */
- pgd = pgd_offset(current->mm ?: &init_mm, address);
+ pgd = pgd_offset(current->active_mm, address);
pgd_ref = pgd_offset_k(address);
if (pgd_none(*pgd_ref))
return -1;
diff --git a/fs/dlm/debug_fs.c b/fs/dlm/debug_fs.c
index 2f107d1a6a4..1d1d2744223 100644
--- a/fs/dlm/debug_fs.c
+++ b/fs/dlm/debug_fs.c
@@ -1,7 +1,7 @@
/******************************************************************************
*******************************************************************************
**
-** Copyright (C) 2005-2008 Red Hat, Inc. All rights reserved.
+** Copyright (C) 2005-2009 Red Hat, Inc. All rights reserved.
**
** This copyrighted material is made available to anyone wishing to use,
** modify, copy, or redistribute it subject to the terms and conditions
@@ -25,19 +25,6 @@ static struct mutex debug_buf_lock;
static struct dentry *dlm_root;
-struct rsb_iter {
- int entry;
- int format;
- int header;
- struct dlm_ls *ls;
- struct list_head *next;
- struct dlm_rsb *rsb;
-};
-
-/*
- * dump all rsb's in the lockspace hash table
- */
-
static char *print_lockmode(int mode)
{
switch (mode) {
@@ -60,13 +47,13 @@ static char *print_lockmode(int mode)
}
}
-static void print_format1_lock(struct seq_file *s, struct dlm_lkb *lkb,
- struct dlm_rsb *res)
+static int print_format1_lock(struct seq_file *s, struct dlm_lkb *lkb,
+ struct dlm_rsb *res)
{
seq_printf(s, "%08x %s", lkb->lkb_id, print_lockmode(lkb->lkb_grmode));
- if (lkb->lkb_status == DLM_LKSTS_CONVERT
- || lkb->lkb_status == DLM_LKSTS_WAITING)
+ if (lkb->lkb_status == DLM_LKSTS_CONVERT ||
+ lkb->lkb_status == DLM_LKSTS_WAITING)
seq_printf(s, " (%s)", print_lockmode(lkb->lkb_rqmode));
if (lkb->lkb_nodeid) {
@@ -80,33 +67,42 @@ static void print_format1_lock(struct seq_file *s, struct dlm_lkb *lkb,
if (lkb->lkb_wait_type)
seq_printf(s, " wait_type: %d", lkb->lkb_wait_type);
- seq_printf(s, "\n");
+ return seq_printf(s, "\n");
}
static int print_format1(struct dlm_rsb *res, struct seq_file *s)
{
struct dlm_lkb *lkb;
int i, lvblen = res->res_ls->ls_lvblen, recover_list, root_list;
+ int rv;
lock_rsb(res);
- seq_printf(s, "\nResource %p Name (len=%d) \"", res, res->res_length);
+ rv = seq_printf(s, "\nResource %p Name (len=%d) \"",
+ res, res->res_length);
+ if (rv)
+ goto out;
+
for (i = 0; i < res->res_length; i++) {
if (isprint(res->res_name[i]))
seq_printf(s, "%c", res->res_name[i]);
else
seq_printf(s, "%c", '.');
}
+
if (res->res_nodeid > 0)
- seq_printf(s, "\" \nLocal Copy, Master is node %d\n",
- res->res_nodeid);
+ rv = seq_printf(s, "\" \nLocal Copy, Master is node %d\n",
+ res->res_nodeid);
else if (res->res_nodeid == 0)
- seq_printf(s, "\" \nMaster Copy\n");
+ rv = seq_printf(s, "\" \nMaster Copy\n");
else if (res->res_nodeid == -1)
- seq_printf(s, "\" \nLooking up master (lkid %x)\n",
- res->res_first_lkid);
+ rv = seq_printf(s, "\" \nLooking up master (lkid %x)\n",
+ res->res_first_lkid);
else
- seq_printf(s, "\" \nInvalid master %d\n", res->res_nodeid);
+ rv = seq_printf(s, "\" \nInvalid master %d\n",
+ res->res_nodeid);
+ if (rv)
+ goto out;
/* Print the LVB: */
if (res->res_lvbptr) {
@@ -119,52 +115,66 @@ static int print_format1(struct dlm_rsb *res, struct seq_file *s)
}
if (rsb_flag(res, RSB_VALNOTVALID))
seq_printf(s, " (INVALID)");
- seq_printf(s, "\n");
+ rv = seq_printf(s, "\n");
+ if (rv)
+ goto out;
}
root_list = !list_empty(&res->res_root_list);
recover_list = !list_empty(&res->res_recover_list);
if (root_list || recover_list) {
- seq_printf(s, "Recovery: root %d recover %d flags %lx "
- "count %d\n", root_list, recover_list,
- res->res_flags, res->res_recover_locks_count);
+ rv = seq_printf(s, "Recovery: root %d recover %d flags %lx "
+ "count %d\n", root_list, recover_list,
+ res->res_flags, res->res_recover_locks_count);
+ if (rv)
+ goto out;
}
/* Print the locks attached to this resource */
seq_printf(s, "Granted Queue\n");
- list_for_each_entry(lkb, &res->res_grantqueue, lkb_statequeue)
- print_format1_lock(s, lkb, res);
+ list_for_each_entry(lkb, &res->res_grantqueue, lkb_statequeue) {
+ rv = print_format1_lock(s, lkb, res);
+ if (rv)
+ goto out;
+ }
seq_printf(s, "Conversion Queue\n");
- list_for_each_entry(lkb, &res->res_convertqueue, lkb_statequeue)
- print_format1_lock(s, lkb, res);
+ list_for_each_entry(lkb, &res->res_convertqueue, lkb_statequeue) {
+ rv = print_format1_lock(s, lkb, res);
+ if (rv)
+ goto out;
+ }
seq_printf(s, "Waiting Queue\n");
- list_for_each_entry(lkb, &res->res_waitqueue, lkb_statequeue)
- print_format1_lock(s, lkb, res);
+ list_for_each_entry(lkb, &res->res_waitqueue, lkb_statequeue) {
+ rv = print_format1_lock(s, lkb, res);
+ if (rv)
+ goto out;
+ }
if (list_empty(&res->res_lookup))
goto out;
seq_printf(s, "Lookup Queue\n");
list_for_each_entry(lkb, &res->res_lookup, lkb_rsb_lookup) {
- seq_printf(s, "%08x %s", lkb->lkb_id,
- print_lockmode(lkb->lkb_rqmode));
+ rv = seq_printf(s, "%08x %s", lkb->lkb_id,
+ print_lockmode(lkb->lkb_rqmode));
if (lkb->lkb_wait_type)
seq_printf(s, " wait_type: %d", lkb->lkb_wait_type);
- seq_printf(s, "\n");
+ rv = seq_printf(s, "\n");
}
out:
unlock_rsb(res);
- return 0;
+ return rv;
}
-static void print_format2_lock(struct seq_file *s, struct dlm_lkb *lkb,
- struct dlm_rsb *r)
+static int print_format2_lock(struct seq_file *s, struct dlm_lkb *lkb,
+ struct dlm_rsb *r)
{
u64 xid = 0;
u64 us;
+ int rv;
if (lkb->lkb_flags & DLM_IFL_USER) {
if (lkb->lkb_ua)
@@ -177,69 +187,82 @@ static void print_format2_lock(struct seq_file *s, struct dlm_lkb *lkb,
/* id nodeid remid pid xid exflags flags sts grmode rqmode time_us
r_nodeid r_len r_name */
- seq_printf(s, "%x %d %x %u %llu %x %x %d %d %d %llu %u %d \"%s\"\n",
- lkb->lkb_id,
- lkb->lkb_nodeid,
- lkb->lkb_remid,
- lkb->lkb_ownpid,
- (unsigned long long)xid,
- lkb->lkb_exflags,
- lkb->lkb_flags,
- lkb->lkb_status,
- lkb->lkb_grmode,
- lkb->lkb_rqmode,
- (unsigned long long)us,
- r->res_nodeid,
- r->res_length,
- r->res_name);
+ rv = seq_printf(s, "%x %d %x %u %llu %x %x %d %d %d %llu %u %d \"%s\"\n",
+ lkb->lkb_id,
+ lkb->lkb_nodeid,
+ lkb->lkb_remid,
+ lkb->lkb_ownpid,
+ (unsigned long long)xid,
+ lkb->lkb_exflags,
+ lkb->lkb_flags,
+ lkb->lkb_status,
+ lkb->lkb_grmode,
+ lkb->lkb_rqmode,
+ (unsigned long long)us,
+ r->res_nodeid,
+ r->res_length,
+ r->res_name);
+ return rv;
}
static int print_format2(struct dlm_rsb *r, struct seq_file *s)
{
struct dlm_lkb *lkb;
+ int rv = 0;
lock_rsb(r);
- list_for_each_entry(lkb, &r->res_grantqueue, lkb_statequeue)
- print_format2_lock(s, lkb, r);
-
- list_for_each_entry(lkb, &r->res_convertqueue, lkb_statequeue)
- print_format2_lock(s, lkb, r);
+ list_for_each_entry(lkb, &r->res_grantqueue, lkb_statequeue) {
+ rv = print_format2_lock(s, lkb, r);
+ if (rv)
+ goto out;
+ }
- list_for_each_entry(lkb, &r->res_waitqueue, lkb_statequeue)
- print_format2_lock(s, lkb, r);
+ list_for_each_entry(lkb, &r->res_convertqueue, lkb_statequeue) {
+ rv = print_format2_lock(s, lkb, r);
+ if (rv)
+ goto out;
+ }
+ list_for_each_entry(lkb, &r->res_waitqueue, lkb_statequeue) {
+ rv = print_format2_lock(s, lkb, r);
+ if (rv)
+ goto out;
+ }
+ out:
unlock_rsb(r);
- return 0;
+ return rv;
}
-static void print_format3_lock(struct seq_file *s, struct dlm_lkb *lkb,
- int rsb_lookup)
+static int print_format3_lock(struct seq_file *s, struct dlm_lkb *lkb,
+ int rsb_lookup)
{
u64 xid = 0;
+ int rv;
if (lkb->lkb_flags & DLM_IFL_USER) {
if (lkb->lkb_ua)
xid = lkb->lkb_ua->xid;
}
- seq_printf(s, "lkb %x %d %x %u %llu %x %x %d %d %d %d %d %d %u %llu %llu\n",
- lkb->lkb_id,
- lkb->lkb_nodeid,
- lkb->lkb_remid,
- lkb->lkb_ownpid,
- (unsigned long long)xid,
- lkb->lkb_exflags,
- lkb->lkb_flags,
- lkb->lkb_status,
- lkb->lkb_grmode,
- lkb->lkb_rqmode,
- lkb->lkb_highbast,
- rsb_lookup,
- lkb->lkb_wait_type,
- lkb->lkb_lvbseq,
- (unsigned long long)ktime_to_ns(lkb->lkb_timestamp),
- (unsigned long long)ktime_to_ns(lkb->lkb_time_bast));
+ rv = seq_printf(s, "lkb %x %d %x %u %llu %x %x %d %d %d %d %d %d %u %llu %llu\n",
+ lkb->lkb_id,
+ lkb->lkb_nodeid,
+ lkb->lkb_remid,
+ lkb->lkb_ownpid,
+ (unsigned long long)xid,
+ lkb->lkb_exflags,
+ lkb->lkb_flags,
+ lkb->lkb_status,
+ lkb->lkb_grmode,
+ lkb->lkb_rqmode,
+ lkb->lkb_highbast,
+ rsb_lookup,
+ lkb->lkb_wait_type,
+ lkb->lkb_lvbseq,
+ (unsigned long long)ktime_to_ns(lkb->lkb_timestamp),
+ (unsigned long long)ktime_to_ns(lkb->lkb_time_bast));
+ return rv;
}
static int print_format3(struct dlm_rsb *r, struct seq_file *s)
@@ -247,18 +270,21 @@ static int print_format3(struct dlm_rsb *r, struct seq_file *s)
struct dlm_lkb *lkb;
int i, lvblen = r->res_ls->ls_lvblen;
int print_name = 1;
+ int rv;
lock_rsb(r);
- seq_printf(s, "rsb %p %d %x %lx %d %d %u %d ",
- r,
- r->res_nodeid,
- r->res_first_lkid,
- r->res_flags,
- !list_empty(&r->res_root_list),
- !list_empty(&r->res_recover_list),
- r->res_recover_locks_count,
- r->res_length);
+ rv = seq_printf(s, "rsb %p %d %x %lx %d %d %u %d ",
+ r,
+ r->res_nodeid,
+ r->res_first_lkid,
+ r->res_flags,
+ !list_empty(&r->res_root_list),
+ !list_empty(&r->res_recover_list),
+ r->res_recover_locks_count,
+ r->res_length);
+ if (rv)
+ goto out;
for (i = 0; i < r->res_length; i++) {
if (!isascii(r->res_name[i]) || !isprint(r->res_name[i]))
@@ -273,7 +299,9 @@ static int print_format3(struct dlm_rsb *r, struct seq_file *s)
else
seq_printf(s, " %02x", (unsigned char)r->res_name[i]);
}
- seq_printf(s, "\n");
+ rv = seq_printf(s, "\n");
+ if (rv)
+ goto out;
if (!r->res_lvbptr)
goto do_locks;
@@ -282,344 +310,294 @@ static int print_format3(struct dlm_rsb *r, struct seq_file *s)
for (i = 0; i < lvblen; i++)
seq_printf(s, " %02x", (unsigned char)r->res_lvbptr[i]);
- seq_printf(s, "\n");
+ rv = seq_printf(s, "\n");
+ if (rv)
+ goto out;
do_locks:
- list_for_each_entry(lkb, &r->res_grantqueue, lkb_statequeue)
- print_format3_lock(s, lkb, 0);
-
- list_for_each_entry(lkb, &r->res_convertqueue, lkb_statequeue)
- print_format3_lock(s, lkb, 0);
-
- list_for_each_entry(lkb, &r->res_waitqueue, lkb_statequeue)
- print_format3_lock(s, lkb, 0);
-
- list_for_each_entry(lkb, &r->res_lookup, lkb_rsb_lookup)
- print_format3_lock(s, lkb, 1);
-
- unlock_rsb(r);
- return 0;
-}
-
-static int rsb_iter_next(struct rsb_iter *ri)
-{
- struct dlm_ls *ls = ri->ls;
- int i;
-
- if (!ri->next) {
- top:
- /* Find the next non-empty hash bucket */
- for (i = ri->entry; i < ls->ls_rsbtbl_size; i++) {
- read_lock(&ls->ls_rsbtbl[i].lock);
- if (!list_empty(&ls->ls_rsbtbl[i].list)) {
- ri->next = ls->ls_rsbtbl[i].list.next;
- ri->rsb = list_entry(ri->next, struct dlm_rsb,
- res_hashchain);
- dlm_hold_rsb(ri->rsb);
- read_unlock(&ls->ls_rsbtbl[i].lock);
- break;
- }
- read_unlock(&ls->ls_rsbtbl[i].lock);
- }
- ri->entry = i;
-
- if (ri->entry >= ls->ls_rsbtbl_size)
- return 1;
- } else {
- struct dlm_rsb *old = ri->rsb;
- i = ri->entry;
- read_lock(&ls->ls_rsbtbl[i].lock);
- ri->next = ri->next->next;
- if (ri->next->next == ls->ls_rsbtbl[i].list.next) {
- /* End of list - move to next bucket */
- ri->next = NULL;
- ri->entry++;
- read_unlock(&ls->ls_rsbtbl[i].lock);
- dlm_put_rsb(old);
- goto top;
- }
- ri->rsb = list_entry(ri->next, struct dlm_rsb, res_hashchain);
- dlm_hold_rsb(ri->rsb);
- read_unlock(&ls->ls_rsbtbl[i].lock);
- dlm_put_rsb(old);
+ list_for_each_entry(lkb, &r->res_grantqueue, lkb_statequeue) {
+ rv = print_format3_lock(s, lkb, 0);
+ if (rv)
+ goto out;
}
- return 0;
-}
-
-static void rsb_iter_free(struct rsb_iter *ri)
-{
- kfree(ri);
-}
-
-static struct rsb_iter *rsb_iter_init(struct dlm_ls *ls)
-{
- struct rsb_iter *ri;
-
- ri = kzalloc(sizeof *ri, GFP_KERNEL);
- if (!ri)
- return NULL;
-
- ri->ls = ls;
- ri->entry = 0;
- ri->next = NULL;
- ri->format = 1;
-
- if (rsb_iter_next(ri)) {
- rsb_iter_free(ri);
- return NULL;
+ list_for_each_entry(lkb, &r->res_convertqueue, lkb_statequeue) {
+ rv = print_format3_lock(s, lkb, 0);
+ if (rv)
+ goto out;
}
- return ri;
-}
-
-static void *rsb_seq_start(struct seq_file *file, loff_t *pos)
-{
- struct rsb_iter *ri;
- loff_t n = *pos;
-
- ri = rsb_iter_init(file->private);
- if (!ri)
- return NULL;
-
- while (n--) {
- if (rsb_iter_next(ri)) {
- rsb_iter_free(ri);
- return NULL;
- }
+ list_for_each_entry(lkb, &r->res_waitqueue, lkb_statequeue) {
+ rv = print_format3_lock(s, lkb, 0);
+ if (rv)
+ goto out;
}
- return ri;
-}
-
-static void *rsb_seq_next(struct seq_file *file, void *iter_ptr, loff_t *pos)
-{
- struct rsb_iter *ri = iter_ptr;
-
- (*pos)++;
-
- if (rsb_iter_next(ri)) {
- rsb_iter_free(ri);
- return NULL;
+ list_for_each_entry(lkb, &r->res_lookup, lkb_rsb_lookup) {
+ rv = print_format3_lock(s, lkb, 1);
+ if (rv)
+ goto out;
}
-
- return ri;
+ out:
+ unlock_rsb(r);
+ return rv;
}
-static void rsb_seq_stop(struct seq_file *file, void *iter_ptr)
-{
- /* nothing for now */
-}
+struct rsbtbl_iter {
+ struct dlm_rsb *rsb;
+ unsigned bucket;
+ int format;
+ int header;
+};
-static int rsb_seq_show(struct seq_file *file, void *iter_ptr)
+/* seq_printf returns -1 if the buffer is full, and 0 otherwise.
+ If the buffer is full, seq_printf can be called again, but it
+ does nothing and just returns -1. So, the these printing routines
+ periodically check the return value to avoid wasting too much time
+ trying to print to a full buffer. */
+
+static int table_seq_show(struct seq_file *seq, void *iter_ptr)
{
- struct rsb_iter *ri = iter_ptr;
+ struct rsbtbl_iter *ri = iter_ptr;
+ int rv = 0;
switch (ri->format) {
case 1:
- print_format1(ri->rsb, file);
+ rv = print_format1(ri->rsb, seq);
break;
case 2:
if (ri->header) {
- seq_printf(file, "id nodeid remid pid xid exflags "
- "flags sts grmode rqmode time_ms "
- "r_nodeid r_len r_name\n");
+ seq_printf(seq, "id nodeid remid pid xid exflags "
+ "flags sts grmode rqmode time_ms "
+ "r_nodeid r_len r_name\n");
ri->header = 0;
}
- print_format2(ri->rsb, file);
+ rv = print_format2(ri->rsb, seq);
break;
case 3:
if (ri->header) {
- seq_printf(file, "version rsb 1.1 lvb 1.1 lkb 1.1\n");
+ seq_printf(seq, "version rsb 1.1 lvb 1.1 lkb 1.1\n");
ri->header = 0;
}
- print_format3(ri->rsb, file);
+ rv = print_format3(ri->rsb, seq);
break;
}
- return 0;
+ return rv;
}
-static struct seq_operations rsb_seq_ops = {
- .start = rsb_seq_start,
- .next = rsb_seq_next,
- .stop = rsb_seq_stop,
- .show = rsb_seq_show,
-};
+static struct seq_operations format1_seq_ops;
+static struct seq_operations format2_seq_ops;
+static struct seq_operations format3_seq_ops;
-static int rsb_open(struct inode *inode, struct file *file)
+static void *table_seq_start(struct seq_file *seq, loff_t *pos)
{
- struct seq_file *seq;
- int ret;
-
- ret = seq_open(file, &rsb_seq_ops);
- if (ret)
- return ret;
-
- seq = file->private_data;
- seq->private = inode->i_private;
-
- return 0;
-}
-
-static const struct file_operations rsb_fops = {
- .owner = THIS_MODULE,
- .open = rsb_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = seq_release
-};
+ struct dlm_ls *ls = seq->private;
+ struct rsbtbl_iter *ri;
+ struct dlm_rsb *r;
+ loff_t n = *pos;
+ unsigned bucket, entry;
-/*
- * Dump state in compact per-lock listing
- */
+ bucket = n >> 32;
+ entry = n & ((1LL << 32) - 1);
-static struct rsb_iter *locks_iter_init(struct dlm_ls *ls, loff_t *pos)
-{
- struct rsb_iter *ri;
+ if (bucket >= ls->ls_rsbtbl_size)
+ return NULL;
- ri = kzalloc(sizeof *ri, GFP_KERNEL);
+ ri = kzalloc(sizeof(struct rsbtbl_iter), GFP_KERNEL);
if (!ri)
return NULL;
-
- ri->ls = ls;
- ri->entry = 0;
- ri->next = NULL;
- ri->format = 2;
-
- if (*pos == 0)
+ if (n == 0)
ri->header = 1;
-
- if (rsb_iter_next(ri)) {
- rsb_iter_free(ri);
- return NULL;
+ if (seq->op == &format1_seq_ops)
+ ri->format = 1;
+ if (seq->op == &format2_seq_ops)
+ ri->format = 2;
+ if (seq->op == &format3_seq_ops)
+ ri->format = 3;
+
+ spin_lock(&ls->ls_rsbtbl[bucket].lock);
+ if (!list_empty(&ls->ls_rsbtbl[bucket].list)) {
+ list_for_each_entry(r, &ls->ls_rsbtbl[bucket].list,
+ res_hashchain) {
+ if (!entry--) {
+ dlm_hold_rsb(r);
+ ri->rsb = r;
+ ri->bucket = bucket;
+ spin_unlock(&ls->ls_rsbtbl[bucket].lock);
+ return ri;
+ }
+ }
}
+ spin_unlock(&ls->ls_rsbtbl[bucket].lock);
- return ri;
-}
+ /*
+ * move to the first rsb in the next non-empty bucket
+ */
-static void *locks_seq_start(struct seq_file *file, loff_t *pos)
-{
- struct rsb_iter *ri;
- loff_t n = *pos;
+ /* zero the entry */
+ n &= ~((1LL << 32) - 1);
- ri = locks_iter_init(file->private, pos);
- if (!ri)
- return NULL;
+ while (1) {
+ bucket++;
+ n += 1LL << 32;
- while (n--) {
- if (rsb_iter_next(ri)) {
- rsb_iter_free(ri);
+ if (bucket >= ls->ls_rsbtbl_size) {
+ kfree(ri);
return NULL;
}
- }
- return ri;
+ spin_lock(&ls->ls_rsbtbl[bucket].lock);
+ if (!list_empty(&ls->ls_rsbtbl[bucket].list)) {
+ r = list_first_entry(&ls->ls_rsbtbl[bucket].list,
+ struct dlm_rsb, res_hashchain);
+ dlm_hold_rsb(r);
+ ri->rsb = r;
+ ri->bucket = bucket;
+ spin_unlock(&ls->ls_rsbtbl[bucket].lock);
+ *pos = n;
+ return ri;
+ }
+ spin_unlock(&ls->ls_rsbtbl[bucket].lock);
+ }
}
-static struct seq_operations locks_seq_ops = {
- .start = locks_seq_start,
- .next = rsb_seq_next,
- .stop = rsb_seq_stop,
- .show = rsb_seq_show,
-};
-
-static int locks_open(struct inode *inode, struct file *file)
+static void *table_seq_next(struct seq_file *seq, void *iter_ptr, loff_t *pos)
{
- struct seq_file *seq;
- int ret;
-
- ret = seq_open(file, &locks_seq_ops);
- if (ret)
- return ret;
-
- seq = file->private_data;
- seq->private = inode->i_private;
-
- return 0;
-}
-
-static const struct file_operations locks_fops = {
- .owner = THIS_MODULE,
- .open = locks_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = seq_release
-};
-
-/*
- * Dump all rsb/lvb/lkb state in compact listing, more complete than _locks
- * This can replace both formats 1 and 2 eventually.
- */
+ struct dlm_ls *ls = seq->private;
+ struct rsbtbl_iter *ri = iter_ptr;
+ struct list_head *next;
+ struct dlm_rsb *r, *rp;
+ loff_t n = *pos;
+ unsigned bucket;
+
+ bucket = n >> 32;
+
+ /*
+ * move to the next rsb in the same bucket
+ */
+
+ spin_lock(&ls->ls_rsbtbl[bucket].lock);
+ rp = ri->rsb;
+ next = rp->res_hashchain.next;
+
+ if (next != &ls->ls_rsbtbl[bucket].list) {
+ r = list_entry(next, struct dlm_rsb, res_hashchain);
+ dlm_hold_rsb(r);
+ ri->rsb = r;
+ spin_unlock(&ls->ls_rsbtbl[bucket].lock);
+ dlm_put_rsb(rp);
+ ++*pos;
+ return ri;
+ }
+ spin_unlock(&ls->ls_rsbtbl[bucket].lock);
+ dlm_put_rsb(rp);
-static struct rsb_iter *all_iter_init(struct dlm_ls *ls, loff_t *pos)
-{
- struct rsb_iter *ri;
+ /*
+ * move to the first rsb in the next non-empty bucket
+ */
- ri = kzalloc(sizeof *ri, GFP_KERNEL);
- if (!ri)
- return NULL;
+ /* zero the entry */
+ n &= ~((1LL << 32) - 1);
- ri->ls = ls;
- ri->entry = 0;
- ri->next = NULL;
- ri->format = 3;
+ while (1) {
+ bucket++;
+ n += 1LL << 32;
- if (*pos == 0)
- ri->header = 1;
+ if (bucket >= ls->ls_rsbtbl_size) {
+ kfree(ri);
+ return NULL;
+ }
- if (rsb_iter_next(ri)) {
- rsb_iter_free(ri);
- return NULL;
+ spin_lock(&ls->ls_rsbtbl[bucket].lock);
+ if (!list_empty(&ls->ls_rsbtbl[bucket].list)) {
+ r = list_first_entry(&ls->ls_rsbtbl[bucket].list,
+ struct dlm_rsb, res_hashchain);
+ dlm_hold_rsb(r);
+ ri->rsb = r;
+ ri->bucket = bucket;
+ spin_unlock(&ls->ls_rsbtbl[bucket].lock);
+ *pos = n;
+ return ri;
+ }
+ spin_unlock(&ls->ls_rsbtbl[bucket].lock);
}
-
- return ri;
}
-static void *all_seq_start(struct seq_file *file, loff_t *pos)
+static void table_seq_stop(struct seq_file *seq, void *iter_ptr)
{
- struct rsb_iter *ri;
- loff_t n = *pos;
-
- ri = all_iter_init(file->private, pos);
- if (!ri)
- return NULL;
+ struct rsbtbl_iter *ri = iter_ptr;
- while (n--) {
- if (rsb_iter_next(ri)) {
- rsb_iter_free(ri);
- return NULL;
- }
+ if (ri) {
+ dlm_put_rsb(ri->rsb);
+ kfree(ri);
}