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-rw-r--r--xlators/performance/md-cache/src/md-cache.c102
1 files changed, 54 insertions, 48 deletions
diff --git a/xlators/performance/md-cache/src/md-cache.c b/xlators/performance/md-cache/src/md-cache.c
index b6969cda56e..62f64968aa7 100644
--- a/xlators/performance/md-cache/src/md-cache.c
+++ b/xlators/performance/md-cache/src/md-cache.c
@@ -23,6 +23,7 @@
#include <sys/time.h>
#include "md-cache-messages.h"
#include "statedump.h"
+#include "atomic.h"
/* TODO:
- cache symlink() link names and nuke symlink-cache
@@ -30,19 +31,25 @@
*/
struct mdc_statistics {
- uint64_t stat_hit; /* No. of times lookup/stat was served from mdc */
- uint64_t stat_miss; /* No. of times valid stat wasn't present in mdc */
- uint64_t xattr_hit; /* No. of times getxattr was served from mdc, Note:
- this doesn't count the xattr served from lookup */
- uint64_t xattr_miss; /* No. of times xattr req was WIND from mdc */
- uint64_t negative_lookup; /* No. of negative lookups */
- uint64_t nameless_lookup; /* No. of negative lookups that were sent
- sent to bricks */
- uint64_t stat_invals; /* No. of invalidates received from upcall*/
- uint64_t xattr_invals; /* No. of invalidates received from upcall*/
- uint64_t need_lookup; /* No. of lookups issued, because other xlators
- * requested for explicit lookup */
- gf_lock_t lock;
+ gf_atomic_t stat_hit; /* No. of times lookup/stat was served from
+ mdc */
+
+ gf_atomic_t stat_miss; /* No. of times valid stat wasn't present in
+ mdc */
+
+ gf_atomic_t xattr_hit; /* No. of times getxattr was served from mdc,
+ Note: this doesn't count the xattr served
+ from lookup */
+
+ gf_atomic_t xattr_miss; /* No. of times xattr req was WIND from mdc */
+ gf_atomic_t negative_lookup; /* No. of negative lookups */
+ gf_atomic_t nameless_lookup; /* No. of negative lookups that were sent
+ to bricks */
+
+ gf_atomic_t stat_invals; /* No. of invalidates received from upcall */
+ gf_atomic_t xattr_invals; /* No. of invalidates received from upcall */
+ gf_atomic_t need_lookup; /* No. of lookups issued, because other
+ xlators requested for explicit lookup */
};
struct mdc_conf {
@@ -1027,8 +1034,7 @@ mdc_lookup_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
if (op_ret != 0) {
if (op_errno == ENOENT)
- INCREMENT_ATOMIC (conf->mdc_counter.lock,
- conf->mdc_counter.negative_lookup);
+ GF_ATOMIC_INC (conf->mdc_counter.negative_lookup);
goto out;
}
@@ -1064,15 +1070,14 @@ mdc_lookup (call_frame_t *frame, xlator_t *this, loc_t *loc,
local = mdc_local_get (frame);
if (!local) {
- INCREMENT_ATOMIC (conf->mdc_counter.lock, conf->mdc_counter.stat_miss);
+ GF_ATOMIC_INC (conf->mdc_counter.stat_miss);
goto uncached;
}
loc_copy (&local->loc, loc);
if (!loc->name) {
- INCREMENT_ATOMIC (conf->mdc_counter.lock,
- conf->mdc_counter.nameless_lookup);
+ GF_ATOMIC_INC (conf->mdc_counter.nameless_lookup);
gf_msg_trace ("md-cache", 0, "Nameless lookup(%s) sent to the "
"brick", uuid_utoa (loc->inode->gfid));
@@ -1084,34 +1089,30 @@ mdc_lookup (call_frame_t *frame, xlator_t *this, loc_t *loc,
}
if (mdc_inode_reset_need_lookup (this, loc->inode)) {
- INCREMENT_ATOMIC (conf->mdc_counter.lock,
- conf->mdc_counter.need_lookup);
+ GF_ATOMIC_INC (conf->mdc_counter.need_lookup);
goto uncached;
}
ret = mdc_inode_iatt_get (this, loc->inode, &stbuf);
if (ret != 0) {
- INCREMENT_ATOMIC (conf->mdc_counter.lock,
- conf->mdc_counter.stat_miss);
+ GF_ATOMIC_INC (conf->mdc_counter.stat_miss);
goto uncached;
}
if (xdata) {
ret = mdc_inode_xatt_get (this, loc->inode, &xattr_rsp);
if (ret != 0) {
- INCREMENT_ATOMIC (conf->mdc_counter.lock,
- conf->mdc_counter.xattr_miss);
+ GF_ATOMIC_INC (conf->mdc_counter.xattr_miss);
goto uncached;
}
if (!mdc_xattr_satisfied (this, xdata, xattr_rsp)) {
- INCREMENT_ATOMIC (conf->mdc_counter.lock,
- conf->mdc_counter.xattr_miss);
+ GF_ATOMIC_INC (conf->mdc_counter.xattr_miss);
goto uncached;
}
}
- INCREMENT_ATOMIC (conf->mdc_counter.lock, conf->mdc_counter.stat_hit);
+ GF_ATOMIC_INC (conf->mdc_counter.stat_hit);
MDC_STACK_UNWIND (lookup, frame, 0, 0, loc->inode, &stbuf,
xattr_rsp, &postparent);
@@ -1177,13 +1178,13 @@ mdc_stat (call_frame_t *frame, xlator_t *this, loc_t *loc, dict_t *xdata)
if (ret != 0)
goto uncached;
- INCREMENT_ATOMIC (conf->mdc_counter.lock, conf->mdc_counter.stat_hit);
+ GF_ATOMIC_INC (conf->mdc_counter.stat_hit);
MDC_STACK_UNWIND (stat, frame, 0, 0, &stbuf, xdata);
return 0;
uncached:
- INCREMENT_ATOMIC (conf->mdc_counter.lock, conf->mdc_counter.stat_miss);
+ GF_ATOMIC_INC (conf->mdc_counter.stat_miss);
STACK_WIND (frame, mdc_stat_cbk,
FIRST_CHILD(this), FIRST_CHILD(this)->fops->stat,
loc, xdata);
@@ -1232,13 +1233,13 @@ mdc_fstat (call_frame_t *frame, xlator_t *this, fd_t *fd, dict_t *xdata)
if (ret != 0)
goto uncached;
- INCREMENT_ATOMIC (conf->mdc_counter.lock, conf->mdc_counter.stat_hit);
+ GF_ATOMIC_INC (conf->mdc_counter.stat_hit);
MDC_STACK_UNWIND (fstat, frame, 0, 0, &stbuf, xdata);
return 0;
uncached:
- INCREMENT_ATOMIC (conf->mdc_counter.lock, conf->mdc_counter.stat_miss);
+ GF_ATOMIC_INC (conf->mdc_counter.stat_miss);
STACK_WIND (frame, mdc_fstat_cbk,
FIRST_CHILD(this), FIRST_CHILD(this)->fops->fstat,
fd, xdata);
@@ -2123,13 +2124,13 @@ mdc_getxattr (call_frame_t *frame, xlator_t *this, loc_t *loc, const char *key,
op_errno = ENODATA;
}
- INCREMENT_ATOMIC (conf->mdc_counter.lock, conf->mdc_counter.xattr_hit);
+ GF_ATOMIC_INC (conf->mdc_counter.xattr_hit);
MDC_STACK_UNWIND (getxattr, frame, ret, op_errno, xattr, xdata);
return 0;
uncached:
- INCREMENT_ATOMIC (conf->mdc_counter.lock, conf->mdc_counter.xattr_miss);
+ GF_ATOMIC_INC (conf->mdc_counter.xattr_miss);
STACK_WIND (frame, mdc_getxattr_cbk,
FIRST_CHILD(this), FIRST_CHILD(this)->fops->getxattr,
loc, key, xdata);
@@ -2188,13 +2189,13 @@ mdc_fgetxattr (call_frame_t *frame, xlator_t *this, fd_t *fd, const char *key,
op_errno = ENODATA;
}
- INCREMENT_ATOMIC (conf->mdc_counter.lock, conf->mdc_counter.xattr_hit);
+ GF_ATOMIC_INC (conf->mdc_counter.xattr_hit);
MDC_STACK_UNWIND (fgetxattr, frame, ret, op_errno, xattr, xdata);
return 0;
uncached:
- INCREMENT_ATOMIC (conf->mdc_counter.lock, conf->mdc_counter.xattr_miss);
+ GF_ATOMIC_INC (conf->mdc_counter.xattr_miss);
STACK_WIND (frame, mdc_fgetxattr_cbk,
FIRST_CHILD(this), FIRST_CHILD(this)->fops->fgetxattr,
fd, key, xdata);
@@ -2256,13 +2257,13 @@ mdc_removexattr (call_frame_t *frame, xlator_t *this, loc_t *loc,
op_errno = ENODATA;
}
- INCREMENT_ATOMIC (conf->mdc_counter.lock, conf->mdc_counter.xattr_hit);
+ GF_ATOMIC_INC (conf->mdc_counter.xattr_hit);
MDC_STACK_UNWIND (removexattr, frame, ret, op_errno, xdata);
return 0;
uncached:
- INCREMENT_ATOMIC (conf->mdc_counter.lock, conf->mdc_counter.xattr_miss);
+ GF_ATOMIC_INC (conf->mdc_counter.xattr_miss);
STACK_WIND (frame, mdc_removexattr_cbk,
FIRST_CHILD(this), FIRST_CHILD(this)->fops->removexattr,
loc, name, xdata);
@@ -2325,12 +2326,12 @@ mdc_fremovexattr (call_frame_t *frame, xlator_t *this, fd_t *fd,
op_errno = ENODATA;
}
- INCREMENT_ATOMIC (conf->mdc_counter.lock, conf->mdc_counter.xattr_hit);
+ GF_ATOMIC_INC (conf->mdc_counter.xattr_hit);
MDC_STACK_UNWIND (fremovexattr, frame, ret, op_errno, xdata);
return 0;
uncached:
- INCREMENT_ATOMIC (conf->mdc_counter.lock, conf->mdc_counter.xattr_miss);
+ GF_ATOMIC_INC (conf->mdc_counter.xattr_miss);
STACK_WIND (frame, mdc_fremovexattr_cbk,
FIRST_CHILD(this), FIRST_CHILD(this)->fops->fremovexattr,
fd, name, xdata);
@@ -2711,8 +2712,7 @@ mdc_invalidate (xlator_t *this, void *data)
(UP_NLINK | UP_RENAME_FLAGS | UP_FORGET | UP_INVAL_ATTR)) {
mdc_inode_iatt_invalidate (this, inode);
mdc_inode_xatt_invalidate (this, inode);
- INCREMENT_ATOMIC (conf->mdc_counter.lock,
- conf->mdc_counter.stat_invals);
+ GF_ATOMIC_INC (conf->mdc_counter.stat_invals);
goto out;
}
@@ -2725,8 +2725,7 @@ mdc_invalidate (xlator_t *this, void *data)
*/
if (ret < 0)
goto out;
- INCREMENT_ATOMIC (conf->mdc_counter.lock,
- conf->mdc_counter.stat_invals);
+ GF_ATOMIC_INC (conf->mdc_counter.stat_invals);
}
if (up_ci->flags & UP_XATTR) {
@@ -2735,15 +2734,13 @@ mdc_invalidate (xlator_t *this, void *data)
else
ret = mdc_inode_xatt_invalidate (this, inode);
- INCREMENT_ATOMIC (conf->mdc_counter.lock,
- conf->mdc_counter.xattr_invals);
+ GF_ATOMIC_INC (conf->mdc_counter.xattr_invals);
} else if (up_ci->flags & UP_XATTR_RM) {
tmp.inode = inode;
tmp.this = this;
ret = dict_foreach (up_ci->dict, mdc_inval_xatt, &tmp);
- INCREMENT_ATOMIC (conf->mdc_counter.lock,
- conf->mdc_counter.xattr_invals);
+ GF_ATOMIC_INC (conf->mdc_counter.xattr_invals);
}
out:
@@ -2983,8 +2980,17 @@ init (xlator_t *this)
GF_OPTION_INIT("cache-invalidation", conf->mdc_invalidation, bool, out);
LOCK_INIT (&conf->lock);
- LOCK_INIT (&conf->mdc_counter.lock);
time (&conf->last_child_down);
+ /* initialize gf_atomic_t counters */
+ GF_ATOMIC_INIT (conf->mdc_counter.stat_hit, 0);
+ GF_ATOMIC_INIT (conf->mdc_counter.stat_miss, 0);
+ GF_ATOMIC_INIT (conf->mdc_counter.xattr_hit, 0);
+ GF_ATOMIC_INIT (conf->mdc_counter.xattr_miss, 0);
+ GF_ATOMIC_INIT (conf->mdc_counter.negative_lookup, 0);
+ GF_ATOMIC_INIT (conf->mdc_counter.nameless_lookup, 0);
+ GF_ATOMIC_INIT (conf->mdc_counter.stat_invals, 0);
+ GF_ATOMIC_INIT (conf->mdc_counter.xattr_invals, 0);
+ GF_ATOMIC_INIT (conf->mdc_counter.need_lookup, 0);
/* If timeout is greater than 60s (default before the patch that added
* cache invalidation support was added) then, cache invalidation
generated by cgit (git 2.34.1) at 2024-11-16 06:16:18 +0000