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authorShehjar Tikoo <shehjart@zresearch.com>2009-04-01 13:58:30 -0700
committerAnand V. Avati <avati@amp.gluster.com>2009-04-02 19:19:07 +0530
commit42df79e2ad14053f38a12f30b29b81dd897921c9 (patch)
treea6fe2551260c50bdffef67bc788fbc31ee0fb775 /xlators/performance/io-threads
parent369476e93e4ab99234602a5bbe2070d734b45567 (diff)
io-threads: Wire in support for rename fop
Signed-off-by: Anand V. Avati <avati@amp.gluster.com>
Diffstat (limited to 'xlators/performance/io-threads')
-rw-r--r--xlators/performance/io-threads/src/io-threads.c55
1 files changed, 55 insertions, 0 deletions
diff --git a/xlators/performance/io-threads/src/io-threads.c b/xlators/performance/io-threads/src/io-threads.c
index d3b4dc294..b986a945e 100644
--- a/xlators/performance/io-threads/src/io-threads.c
+++ b/xlators/performance/io-threads/src/io-threads.c
@@ -534,6 +534,60 @@ iot_symlink (call_frame_t *frame,
}
int32_t
+iot_rename_cbk (call_frame_t *frame,
+ void * cookie,
+ xlator_t *this,
+ int32_t op_ret,
+ int32_t op_errno,
+ struct stat *buf)
+{
+ STACK_UNWIND (frame, op_ret, op_errno, buf);
+ return 0;
+}
+
+int32_t
+iot_rename_wrapper (call_frame_t *frame,
+ xlator_t *this,
+ loc_t *oldloc,
+ loc_t *newloc)
+{
+ STACK_WIND (frame, iot_rename_cbk, FIRST_CHILD (this),
+ FIRST_CHILD (this)->fops->rename, oldloc, newloc);
+ return 0;
+}
+
+int32_t
+iot_rename (call_frame_t *frame,
+ xlator_t *this,
+ loc_t *oldloc,
+ loc_t *newloc)
+{
+ call_stub_t *stub = NULL;
+
+ stub = fop_rename_stub (frame, iot_rename_wrapper, oldloc, newloc);
+ if (!stub) {
+ gf_log (this->name, GF_LOG_ERROR, "cannot get rename stub");
+ STACK_UNWIND (frame, -1, ENOMEM, NULL);
+ return 0;
+ }
+
+ /* We should order this on the oldloc. rename()
+ * allows the blocks of the newloc to be available till
+ * the last process that might have it open, closes the file.
+ * I suppose this is a trade-off and we weigh in favour of
+ * ordering on oldloc because the client issuing a rename()
+ * would expect the oldloc's contents to be available at the
+ * new location after this request. rename()'s guarantee that
+ * the current
+ * newloc's block will not be released or over-written allows
+ * any othe processes that have the newloc open, to continue
+ * operating.
+ */
+ iot_schedule ((iot_conf_t *)this->private, oldloc->inode, stub);
+ return 0;
+}
+
+int32_t
iot_open_cbk (call_frame_t *frame,
void *cookie,
xlator_t *this,
@@ -1452,6 +1506,7 @@ struct xlator_fops fops = {
.mkdir = iot_mkdir,
.rmdir = iot_rmdir,
.symlink = iot_symlink,
+ .rename = iot_rename,
};
struct xlator_mops mops = {