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authorSachidananda <sac@gluster.com>2010-09-07 09:46:41 +0000
committerVijay Bellur <vijay@dev.gluster.com>2010-09-13 06:44:38 -0700
commit1b541ad1ec3b30982adbd1f08b050b4291ddb271 (patch)
treed3cec76df0257963b1d82292493ac5eef0a686f9 /xlators/performance/io-cache
parent14df5292f3860abbf64358739a0ca5510e7bb869 (diff)
performance/io-cache: Fix clang errors.
Clang error fixes plus some whitespace cleanup. Signed-off-by: Sachidananda Urs <sac@gluster.com> Signed-off-by: Vijay Bellur <vijay@dev.gluster.com> BUG: 1111 () URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=1111
Diffstat (limited to 'xlators/performance/io-cache')
-rw-r--r--xlators/performance/io-cache/src/page.c88
1 files changed, 37 insertions, 51 deletions
diff --git a/xlators/performance/io-cache/src/page.c b/xlators/performance/io-cache/src/page.c
index 7209abb08a3..091b834971e 100644
--- a/xlators/performance/io-cache/src/page.c
+++ b/xlators/performance/io-cache/src/page.c
@@ -178,9 +178,9 @@ ioc_prune (ioc_table_t *table)
}
/*
- * ioc_page_create - create a new page.
+ * ioc_page_create - create a new page.
*
- * @ioc_inode:
+ * @ioc_inode:
* @offset:
*
*/
@@ -191,31 +191,29 @@ ioc_page_create (ioc_inode_t *ioc_inode, off_t offset)
ioc_page_t *page = NULL;
off_t rounded_offset = 0;
ioc_page_t *newpage = NULL;
-
+
table = ioc_inode->table;
rounded_offset = floor (offset, table->page_size);
- newpage = GF_CALLOC (1, sizeof (*newpage),
+ newpage = GF_CALLOC (1, sizeof (*newpage),
gf_ioc_mt_ioc_newpage_t);
if (newpage == NULL) {
goto out;
}
- if (ioc_inode) {
- table = ioc_inode->table;
- } else {
+ if (!ioc_inode) {
GF_FREE (newpage);
newpage = NULL;
goto out;
}
-
+
newpage->offset = rounded_offset;
newpage->inode = ioc_inode;
pthread_mutex_init (&newpage->page_lock, NULL);
rbthash_insert (ioc_inode->cache.page_table, newpage, &rounded_offset,
sizeof (rounded_offset));
-
+
list_add_tail (&newpage->page_lru, &ioc_inode->cache.page_lru);
page = newpage;
@@ -339,8 +337,6 @@ ioc_fault_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
ioc_inode_t *ioc_inode = NULL;
ioc_table_t *table = NULL;
ioc_page_t *page = NULL;
- off_t trav_offset = 0;
- size_t payload_size = 0;
int32_t destroy_size = 0;
size_t page_size = 0;
ioc_waitq_t *waitq = NULL;
@@ -352,9 +348,6 @@ ioc_fault_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
ioc_inode = local->inode;
table = ioc_inode->table;
- trav_offset = offset;
- payload_size = op_ret;
-
zero_filled = ((op_ret >=0)
&& (stbuf->ia_mtime == 0));
@@ -399,7 +392,7 @@ ioc_fault_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
GF_FREE (page->vector);
page->vector = NULL;
}
-
+
/* keep a copy of the page for our cache */
page->vector = iov_dup (vector, count);
if (page->vector == NULL) {
@@ -408,8 +401,6 @@ ioc_fault_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
waitq = ioc_page_error (page,
-1,
ENOMEM);
- op_ret = -1;
- op_errno = ENOMEM;
goto unlock;
}
@@ -422,7 +413,7 @@ ioc_fault_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
gf_log (this->name, GF_LOG_CRITICAL,
"frame>root>rsp_refs is null");
} /* if(frame->root->rsp_refs) */
-
+
/* page->size should indicate exactly how
* much the readv call to the child
* translator returned. earlier op_ret
@@ -431,7 +422,6 @@ ioc_fault_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
* io-cached volume were resulting in 0
* byte replies */
page_size = iov_length(vector, count);
-
page->size = page_size;
iobref_page_size = iobref_size (page->iobref);
@@ -565,13 +555,13 @@ ioc_frame_fill (ioc_page_t *page, call_frame_t *frame, off_t offset,
ioc_fill_t *new = NULL;
int8_t found = 0;
int32_t ret = 0;
-
+
local = frame->local;
ioc_inode = page->inode;
gf_log (frame->this->name, GF_LOG_TRACE,
"frame (%p) offset = %"PRId64" && size = %"GF_PRI_SIZET" "
- "&& page->size = %"GF_PRI_SIZET" && wait_count = %d",
+ "&& page->size = %"GF_PRI_SIZET" && wait_count = %d",
frame, offset, size, page->size, local->wait_count);
/* immediately move this page to the end of the page_lru list */
@@ -579,17 +569,17 @@ ioc_frame_fill (ioc_page_t *page, call_frame_t *frame, off_t offset,
/* fill local->pending_size bytes from local->pending_offset */
if (local->op_ret != -1 && page->size) {
if (offset > page->offset)
- /* offset is offset in file, convert it to offset in
+ /* offset is offset in file, convert it to offset in
* page */
src_offset = offset - page->offset;
- /*FIXME: since offset is the offset within page is the
+ /*FIXME: since offset is the offset within page is the
* else case valid? */
else
/* local->pending_offset is in previous page. do not
* fill until we have filled all previous pages */
dst_offset = page->offset - offset;
- /* we have to copy from offset to either end of this page
+ /* we have to copy from offset to either end of this page
* or till the requested size */
copy_size = min (page->size - src_offset,
size - dst_offset);
@@ -599,14 +589,14 @@ ioc_frame_fill (ioc_page_t *page, call_frame_t *frame, off_t offset,
is beyond the page size in the page */
copy_size = src_offset = 0;
}
-
+
gf_log (page->inode->table->xl->name, GF_LOG_TRACE,
"copy_size = %"GF_PRI_SIZET" && src_offset = "
"%"PRId64" && dst_offset = %"PRId64"",
copy_size, src_offset, dst_offset);
{
- new = GF_CALLOC (1, sizeof (*new),
+ new = GF_CALLOC (1, sizeof (*new),
gf_ioc_mt_ioc_fill_t);
if (new == NULL) {
local->op_ret = -1;
@@ -626,7 +616,7 @@ ioc_frame_fill (ioc_page_t *page, call_frame_t *frame, off_t offset,
src_offset + copy_size,
NULL);
- new->vector = GF_CALLOC (new->count,
+ new->vector = GF_CALLOC (new->count,
sizeof (struct iovec),
gf_ioc_mt_iovec);
if (new->vector == NULL) {
@@ -652,15 +642,15 @@ ioc_frame_fill (ioc_page_t *page, call_frame_t *frame, off_t offset,
/* add the ioc_fill to fill_list for this frame */
if (list_empty (&local->fill_list)) {
- /* if list is empty, then this is the first
- * time we are filling frame, add the
+ /* if list is empty, then this is the first
+ * time we are filling frame, add the
* ioc_fill_t to the end of list */
list_add_tail (&new->list, &local->fill_list);
} else {
found = 0;
- /* list is not empty, we need to look for
+ /* list is not empty, we need to look for
* where this offset fits in list */
- list_for_each_entry (fill, &local->fill_list,
+ list_for_each_entry (fill, &local->fill_list,
list) {
if (fill->offset > new->offset) {
found = 1;
@@ -669,11 +659,10 @@ ioc_frame_fill (ioc_page_t *page, call_frame_t *frame, off_t offset,
}
if (found) {
- found = 0;
- list_add_tail (&new->list,
+ list_add_tail (&new->list,
&fill->list);
} else {
- list_add_tail (&new->list,
+ list_add_tail (&new->list,
&local->fill_list);
}
}
@@ -704,7 +693,7 @@ ioc_frame_unwind (call_frame_t *frame)
int32_t copied = 0;
struct iobref *iobref = NULL;
struct iatt stbuf = {0,};
- int32_t op_ret = 0, op_errno = 0;
+ int32_t op_ret = 0;
local = frame->local;
// ioc_local_lock (local);
@@ -712,7 +701,6 @@ ioc_frame_unwind (call_frame_t *frame)
iobref = iobref_new ();
if (iobref == NULL) {
op_ret = -1;
- op_errno = ENOMEM;
gf_log (frame->this->name, GF_LOG_ERROR, "out of memory");
}
@@ -730,17 +718,16 @@ ioc_frame_unwind (call_frame_t *frame)
vector = GF_CALLOC (count, sizeof (*vector), gf_ioc_mt_iovec);
if (vector == NULL) {
op_ret = -1;
- op_errno = ENOMEM;
-
+
gf_log (frame->this->name, GF_LOG_ERROR, "out of memory");
}
-
+
list_for_each_entry_safe (fill, next, &local->fill_list, list) {
- if ((vector != NULL) && (iobref != NULL)) {
+ if ((vector != NULL) && (iobref != NULL)) {
memcpy (((char *)vector) + copied,
fill->vector,
fill->count * sizeof (*vector));
-
+
copied += (fill->count * sizeof (*vector));
iobref_merge (iobref, fill->iobref);
@@ -751,7 +738,7 @@ ioc_frame_unwind (call_frame_t *frame)
GF_FREE (fill->vector);
GF_FREE (fill);
}
-
+
if (op_ret != -1) {
op_ret = iov_length (vector, count);
}
@@ -767,12 +754,12 @@ ioc_frame_unwind (call_frame_t *frame)
if (iobref != NULL) {
iobref_unref (iobref);
}
-
+
if (vector != NULL) {
GF_FREE (vector);
vector = NULL;
}
-
+
pthread_mutex_destroy (&local->local_lock);
GF_FREE (local);
@@ -802,12 +789,12 @@ ioc_frame_return (call_frame_t *frame)
if (!wait_count) {
ioc_frame_unwind (frame);
- }
+ }
return;
}
-/*
+/*
* ioc_page_wakeup -
* @page:
*
@@ -818,20 +805,19 @@ ioc_page_wakeup (ioc_page_t *page)
{
ioc_waitq_t *waitq = NULL, *trav = NULL;
call_frame_t *frame = NULL;
- int32_t ret = -1;
+ int32_t ret = -1;
waitq = page->waitq;
page->waitq = NULL;
- trav = waitq;
page->ready = 1;
gf_log (page->inode->table->xl->name, GF_LOG_TRACE,
"page is %p && waitq = %p", page, waitq);
-
+
for (trav = waitq; trav; trav = trav->next) {
- frame = trav->data;
- ret = ioc_frame_fill (page, frame, trav->pending_offset,
+ frame = trav->data;
+ ret = ioc_frame_fill (page, frame, trav->pending_offset,
trav->pending_size);
if (ret == -1) {
break;