andy/glusterfs
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

md-cache: request cached xattrs at stat/fstat

Browse Source 
Ganesha always operate file by filehandle, and translates to
glusterfs's stat/fstat many time.

Change-Id: Idd0dc33c31131331ac948754c8b7f898777c31d3
Updates: bz#1634220
Signed-off-by: Kinglong Mee <mijinlong@open-fs.com>
This commit is contained in:
Kinglong Mee 2018-09-29 11:02:58 +08:00 committed by Poornima G
parent 3dea105556
commit 4634bb05cc
1 changed files with 20 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

20
xlators/performance/md-cache/src/md-cache.c
View File

@ -1310,6 +1310,7 @@ mdc_stat_cbk(call_frame_t *frame, void *cookie, xlator_t *this, int32_t op_ret,
}
mdc_inode_iatt_set(this, local->loc.inode, buf, local->incident_time);
mdc_inode_xatt_set(this, local->loc.inode, xdata);
out:
MDC_STACK_UNWIND(stat, frame, op_ret, op_errno, buf, xdata);
@ -1323,6 +1324,7 @@ mdc_stat(call_frame_t *frame, xlator_t *this, loc_t *loc, dict_t *xdata)
int ret;
struct iatt stbuf;
mdc_local_t *local = NULL;
dict_t *xattr_alloc = NULL;
struct mdc_conf *conf = this->private;
local = mdc_local_get(frame, loc->inode);
@ -1346,9 +1348,17 @@ mdc_stat(call_frame_t *frame, xlator_t *this, loc_t *loc, dict_t *xdata)
return 0;
uncached:
if (!xdata)
xdata = xattr_alloc = dict_new();
if (xdata)
mdc_load_reqs(this, xdata);
GF_ATOMIC_INC(conf->mdc_counter.stat_miss);
STACK_WIND(frame, mdc_stat_cbk, FIRST_CHILD(this),
FIRST_CHILD(this)->fops->stat, loc, xdata);
if (xattr_alloc)
dict_unref(xattr_alloc);
return 0;
}
@ -1371,6 +1381,7 @@ mdc_fstat_cbk(call_frame_t *frame, void *cookie, xlator_t *this, int32_t op_ret,
}
mdc_inode_iatt_set(this, local->fd->inode, buf, local->incident_time);
mdc_inode_xatt_set(this, local->fd->inode, xdata);
out:
MDC_STACK_UNWIND(fstat, frame, op_ret, op_errno, buf, xdata);
@ -1384,6 +1395,7 @@ mdc_fstat(call_frame_t *frame, xlator_t *this, fd_t *fd, dict_t *xdata)
int ret;
struct iatt stbuf;
mdc_local_t *local = NULL;
dict_t *xattr_alloc = NULL;
struct mdc_conf *conf = this->private;
local = mdc_local_get(frame, fd->inode);
@ -1402,9 +1414,17 @@ mdc_fstat(call_frame_t *frame, xlator_t *this, fd_t *fd, dict_t *xdata)
return 0;
uncached:
if (!xdata)
xdata = xattr_alloc = dict_new();
if (xdata)
mdc_load_reqs(this, xdata);
GF_ATOMIC_INC(conf->mdc_counter.stat_miss);
STACK_WIND(frame, mdc_fstat_cbk, FIRST_CHILD(this),
FIRST_CHILD(this)->fops->fstat, fd, xdata);
if (xattr_alloc)
dict_unref(xattr_alloc);
return 0;
}