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ceph: Clean up if error occurred in finish_read() 

Clean up if error occurred rather than going through normal process

Signed-off-by: Li Wang <liwang@ubuntukylin.com>
Signed-off-by: Yunchuan Wen <yunchuanwen@ubuntukylin.com>
Signed-off-by: Sage Weil <sage@inktank.com>
This commit is contained in:
Li Wang 2013-11-27 22:28:13 +08:00 committed by Sage Weil
parent 8eb4efb091
commit f36132a75a
1 changed files with 3 additions and 0 deletions
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3
fs/ceph/addr.c
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@ -256,6 +256,8 @@ static void finish_read(struct ceph_osd_request *req, struct ceph_msg *msg)
for (i = 0; i < num_pages; i++) {
struct page *page = osd_data->pages[i];
if (rc < 0)
goto unlock;
if (bytes < (int)PAGE_CACHE_SIZE) {
/* zero (remainder of) page */
int s = bytes < 0 ? 0 : bytes;
@ -266,6 +268,7 @@ static void finish_read(struct ceph_osd_request *req, struct ceph_msg *msg)
flush_dcache_page(page);
SetPageUptodate(page);
ceph_readpage_to_fscache(inode, page);
unlock:
unlock_page(page);
page_cache_release(page);
bytes -= PAGE_CACHE_SIZE;