struct greedy {
struct gfs2_holder gr_gh;
- struct work_struct gr_work;
+ struct delayed_work gr_work;
};
struct gfs2_gl_hash_bucket {
return &gl_hash_locks[x & (GL_HASH_LOCK_SZ-1)];
}
#else /* not SMP, so no spinlocks required */
-static inline rwlock_t *gl_lock_addr(x)
+static inline rwlock_t *gl_lock_addr(unsigned int x)
{
return NULL;
}
if (gl->gl_aspace)
gfs2_aspace_put(gl->gl_aspace);
fail:
- kmem_cache_free(gfs2_glock_cachep, gl);
+ kmem_cache_free(gfs2_glock_cachep, gl);
return error;
}
gfs2_holder_uninit(gh);
kfree(container_of(gh, struct greedy, gr_gh));
- spin_lock(&gl->gl_spin);
+ spin_lock(&gl->gl_spin);
return 0;
}
} else {
spin_unlock(&gl->gl_spin);
- new_gh = gfs2_holder_get(gl, state, LM_FLAG_TRY, GFP_KERNEL);
+ new_gh = gfs2_holder_get(gl, state, LM_FLAG_TRY, GFP_NOFS);
if (!new_gh)
return;
set_bit(HIF_DEMOTE, &new_gh->gh_iflags);
gfs2_holder_put(new_gh);
}
-void gfs2_glock_inode_squish(struct inode *inode)
-{
- struct gfs2_holder gh;
- struct gfs2_glock *gl = GFS2_I(inode)->i_gl;
- gfs2_holder_init(gl, LM_ST_UNLOCKED, 0, &gh);
- set_bit(HIF_DEMOTE, &gh.gh_iflags);
- spin_lock(&gl->gl_spin);
- gfs2_assert(inode->i_sb->s_fs_info, list_empty(&gl->gl_holders));
- list_add_tail(&gh.gh_list, &gl->gl_waiters2);
- run_queue(gl);
- spin_unlock(&gl->gl_spin);
- wait_for_completion(&gh.gh_wait);
- gfs2_holder_uninit(&gh);
-}
-
/**
* state_change - record that the glock is now in a different state
* @gl: the glock
if (prev_state != LM_ST_UNLOCKED && !(ret & LM_OUT_CACHEABLE)) {
if (glops->go_inval)
- glops->go_inval(gl, DIO_METADATA | DIO_DATA);
+ glops->go_inval(gl, DIO_METADATA);
} else if (gl->gl_state == LM_ST_DEFERRED) {
/* We might not want to do this here.
Look at moving to the inode glops. */
if (glops->go_inval)
- glops->go_inval(gl, DIO_DATA);
+ glops->go_inval(gl, 0);
}
/* Deal with each possible exit condition */
gfs2_assert_warn(sdp, state != gl->gl_state);
if (gl->gl_state == LM_ST_EXCLUSIVE && glops->go_sync)
- glops->go_sync(gl, DIO_METADATA | DIO_DATA | DIO_RELEASE);
+ glops->go_sync(gl);
gfs2_glock_hold(gl);
gl->gl_req_bh = xmote_bh;
const struct gfs2_glock_operations *glops = gl->gl_ops;
struct gfs2_holder *gh = gl->gl_req_gh;
- clear_bit(GLF_PREFETCH, &gl->gl_flags);
-
gfs2_assert_warn(sdp, test_bit(GLF_LOCK, &gl->gl_flags));
gfs2_assert_warn(sdp, queue_empty(gl, &gl->gl_holders));
gfs2_assert_warn(sdp, !ret);
state_change(gl, LM_ST_UNLOCKED);
if (glops->go_inval)
- glops->go_inval(gl, DIO_METADATA | DIO_DATA);
+ glops->go_inval(gl, DIO_METADATA);
if (gh) {
spin_lock(&gl->gl_spin);
gfs2_assert_warn(sdp, gl->gl_state != LM_ST_UNLOCKED);
if (gl->gl_state == LM_ST_EXCLUSIVE && glops->go_sync)
- glops->go_sync(gl, DIO_METADATA | DIO_DATA | DIO_RELEASE);
+ glops->go_sync(gl);
gfs2_glock_hold(gl);
gl->gl_req_bh = drop_bh;
if (existing) {
print_symbol(KERN_WARNING "original: %s\n", existing->gh_ip);
printk(KERN_INFO "pid : %d\n", existing->gh_owner->pid);
- printk(KERN_INFO "lock type : %d lock state : %d\n",
+ printk(KERN_INFO "lock type : %d lock state : %d\n",
existing->gh_gl->gl_name.ln_type, existing->gh_gl->gl_state);
print_symbol(KERN_WARNING "new: %s\n", gh->gh_ip);
printk(KERN_INFO "pid : %d\n", gh->gh_owner->pid);
- printk(KERN_INFO "lock type : %d lock state : %d\n",
+ printk(KERN_INFO "lock type : %d lock state : %d\n",
gl->gl_name.ln_type, gl->gl_state);
BUG();
}
if (gh->gh_flags & LM_FLAG_PRIORITY)
list_add(&gh->gh_list, &gl->gl_waiters3);
else
- list_add_tail(&gh->gh_list, &gl->gl_waiters3);
+ list_add_tail(&gh->gh_list, &gl->gl_waiters3);
}
/**
}
}
- clear_bit(GLF_PREFETCH, &gl->gl_flags);
-
- if (error == GLR_TRYFAILED && (gh->gh_flags & GL_DUMP))
- dump_glock(gl);
-
return error;
}
spin_unlock(&gl->gl_spin);
}
-/**
- * gfs2_glock_prefetch - Try to prefetch a glock
- * @gl: the glock
- * @state: the state to prefetch in
- * @flags: flags passed to go_xmote_th()
- *
- */
-
-static void gfs2_glock_prefetch(struct gfs2_glock *gl, unsigned int state,
- int flags)
-{
- const struct gfs2_glock_operations *glops = gl->gl_ops;
-
- spin_lock(&gl->gl_spin);
-
- if (test_bit(GLF_LOCK, &gl->gl_flags) || !list_empty(&gl->gl_holders) ||
- !list_empty(&gl->gl_waiters1) || !list_empty(&gl->gl_waiters2) ||
- !list_empty(&gl->gl_waiters3) ||
- relaxed_state_ok(gl->gl_state, state, flags)) {
- spin_unlock(&gl->gl_spin);
- return;
- }
-
- set_bit(GLF_PREFETCH, &gl->gl_flags);
- set_bit(GLF_LOCK, &gl->gl_flags);
- spin_unlock(&gl->gl_spin);
-
- glops->go_xmote_th(gl, state, flags);
-}
-
-static void greedy_work(void *data)
+static void greedy_work(struct work_struct *work)
{
- struct greedy *gr = data;
+ struct greedy *gr = container_of(work, struct greedy, gr_work.work);
struct gfs2_holder *gh = &gr->gr_gh;
struct gfs2_glock *gl = gh->gh_gl;
const struct gfs2_glock_operations *glops = gl->gl_ops;
gfs2_holder_init(gl, 0, 0, gh);
set_bit(HIF_GREEDY, &gh->gh_iflags);
- INIT_WORK(&gr->gr_work, greedy_work, gr);
+ INIT_DELAYED_WORK(&gr->gr_work, greedy_work);
set_bit(GLF_SKIP_WAITERS2, &gl->gl_flags);
schedule_delayed_work(&gr->gr_work, time);
gfs2_glock_dq_uninit(&ghs[x]);
}
-/**
- * gfs2_glock_prefetch_num - prefetch a glock based on lock number
- * @sdp: the filesystem
- * @number: the lock number
- * @glops: the glock operations for the type of glock
- * @state: the state to acquire the glock in
- * @flags: modifier flags for the aquisition
- *
- * Returns: errno
- */
-
-void gfs2_glock_prefetch_num(struct gfs2_sbd *sdp, u64 number,
- const struct gfs2_glock_operations *glops,
- unsigned int state, int flags)
-{
- struct gfs2_glock *gl;
- int error;
-
- if (atomic_read(&sdp->sd_reclaim_count) <
- gfs2_tune_get(sdp, gt_reclaim_limit)) {
- error = gfs2_glock_get(sdp, number, glops, CREATE, &gl);
- if (!error) {
- gfs2_glock_prefetch(gl, state, flags);
- gfs2_glock_put(gl);
- }
- }
-}
-
/**
* gfs2_lvb_hold - attach a LVB from a glock
* @gl: The glock in question
static int demote_ok(struct gfs2_glock *gl)
{
- struct gfs2_sbd *sdp = gl->gl_sbd;
const struct gfs2_glock_operations *glops = gl->gl_ops;
int demote = 1;
if (test_bit(GLF_STICKY, &gl->gl_flags))
demote = 0;
- else if (test_bit(GLF_PREFETCH, &gl->gl_flags))
- demote = time_after_eq(jiffies, gl->gl_stamp +
- gfs2_tune_get(sdp, gt_prefetch_secs) * HZ);
else if (glops->go_demote_ok)
demote = glops->go_demote_ok(gl);
static void scan_glock(struct gfs2_glock *gl)
{
- if (gl->gl_ops == &gfs2_inode_glops)
+ if (gl->gl_ops == &gfs2_inode_glops && gl->gl_object)
return;
if (gfs2_glmutex_trylock(gl)) {
for (;;) {
cont = 0;
for (x = 0; x < GFS2_GL_HASH_SIZE; x++) {
- if (examine_bucket(clear_glock, sdp, x))
+ if (examine_bucket(clear_glock, sdp, x))
cont = 1;
}
printk(KERN_INFO " num = %llu %llu\n",
(unsigned long long)ip->i_num.no_formal_ino,
(unsigned long long)ip->i_num.no_addr);
- printk(KERN_INFO " type = %u\n", IF2DT(ip->i_di.di_mode));
+ printk(KERN_INFO " type = %u\n", IF2DT(ip->i_inode.i_mode));
printk(KERN_INFO " i_flags =");
for (x = 0; x < 32; x++)
if (test_bit(x, &ip->i_flags))
projects / GitHub / mt8127 / android_kernel_alcatel_ttab.git / blobdiff