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ceph: call __fscache_uncache_page() if readpages fails

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If readpages fails, fscache needs to cleanup its internal state.

Signed-off-by: Yan, Zheng <zyan@redhat.com>
This commit is contained in:
Yan, Zheng 2016-05-17 11:58:02 +08:00 • committed by Ilya Dryomov
parent 480ce08a70
commit 368e35857d
1 changed files with 3 additions and 1 deletions
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4
fs/ceph/addr.c
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@ -276,8 +276,10 @@ static void finish_read(struct ceph_osd_request *req)
for (i = 0; i < num_pages; i++) { for (i = 0; i < num_pages; i++) {
struct page *page = osd_data->pages[i]; struct page *page = osd_data->pages[i];
if (rc < 0 && rc != -ENOENT) if (rc < 0 && rc != -ENOENT) {
ceph_fscache_readpage_cancel(inode, page);
goto unlock; goto unlock;
}
if (bytes < (int)PAGE_SIZE) { if (bytes < (int)PAGE_SIZE) {
/* zero (remainder of) page */ /* zero (remainder of) page */
int s = bytes < 0 ? 0 : bytes; int s = bytes < 0 ? 0 : bytes;