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authorRaghavendra G <raghavendra@gluster.com>2009-08-23 22:36:47 +0000
committerAnand V. Avati <avati@dev.gluster.com>2009-09-08 01:42:50 -0700
commit5e89bf62f8fb7a2a863f8b0c08ee1815a5aa5b38 (patch)
tree0efde0eb7cea5b2a8656179612daa73d939f5385
parent284b42546e01f81e53b45695de1b4c893c98f418 (diff)
performance/stat-prefetch: implement sp_xattrop.
Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 221 (stat prefetch implementation) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=221
-rw-r--r--doc/stat-prefetch-design.txt6
-rw-r--r--xlators/performance/stat-prefetch/src/stat-prefetch.c35
2 files changed, 37 insertions, 4 deletions
diff --git a/doc/stat-prefetch-design.txt b/doc/stat-prefetch-design.txt
index 90992cf11..8d3896f26 100644
--- a/doc/stat-prefetch-design.txt
+++ b/doc/stat-prefetch-design.txt
@@ -129,10 +129,8 @@ fops to be implemented:
fds opened on parent inode, since st_atime is changed during this call.
* xattrop/fxattrop
- These calls modify various times of stat structure, hence appropriate entries
- have to be removed from the cache. I am leaving these calls unimplemented in
- stat-prefetch for timebeing. Once we have a working translator, these five fops
- will be implemented.
+ Delete the entry corresponding to basename from cache stored in context of fds
+ opened on parent inode, since these calls modify st_ctime of file.
callbacks to be implemented:
=======================
diff --git a/xlators/performance/stat-prefetch/src/stat-prefetch.c b/xlators/performance/stat-prefetch/src/stat-prefetch.c
index 025176e75..41608e4b5 100644
--- a/xlators/performance/stat-prefetch/src/stat-prefetch.c
+++ b/xlators/performance/stat-prefetch/src/stat-prefetch.c
@@ -1670,6 +1670,40 @@ unwind:
int32_t
+sp_xattrop_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, dict_t *dict)
+{
+ SP_STACK_UNWIND (frame, op_ret, op_errno, dict);
+ return 0;
+}
+
+
+int32_t
+sp_xattrop (call_frame_t *frame, xlator_t *this, loc_t *loc,
+ gf_xattrop_flags_t flags, dict_t *dict)
+{
+ sp_cache_t *cache = NULL;
+
+ GF_VALIDATE_OR_GOTO (this->name, loc, unwind);
+ GF_VALIDATE_OR_GOTO (this->name, loc->parent, unwind);
+ GF_VALIDATE_OR_GOTO (this->name, loc->name, unwind);
+
+ cache = sp_get_cache_inode (this, loc->parent, frame->root->pid);
+ if (cache) {
+ sp_cache_remove_entry (cache, (char *)loc->name, 0);
+ }
+
+ STACK_WIND (frame, sp_xattrop_cbk, FIRST_CHILD(this),
+ FIRST_CHILD(this)->fops->xattrop, loc, flags, dict);
+ return 0;
+
+unwind:
+ SP_STACK_UNWIND (frame, -1, errno, NULL);
+ return 0;
+}
+
+
+int32_t
sp_forget (xlator_t *this, inode_t *inode)
{
struct stat *buf = NULL;
@@ -1739,6 +1773,7 @@ struct xlator_fops fops = {
.setdents = sp_setdents,
.getdents = sp_getdents,
.checksum = sp_checksum,
+ .xattrop = sp_xattrop,
};
struct xlator_mops mops = {