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authorAl Viro <viro@zeniv.linux.org.uk>2014-02-04 13:47:26 -0500
committerAl Viro <viro@zeniv.linux.org.uk>2014-04-01 23:19:22 -0400
commit74027f4a181754e917853bd1d2e21449f008ab39 (patch)
tree74f1dc9ab796632ef072116a1ea6c1d9c2be4ffb
parent6e58e79db8a16222b31fc8da1ca2ac2dccfc4237 (diff)
cifs_iovec_read(): resubmit shouldn't restart the loop
... by that point the request we'd just resent is in the head of the list anyway. Just return to the beginning of the loop body... Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
-rw-r--r--fs/cifs/file.c16
1 files changed, 8 insertions, 8 deletions
diff --git a/fs/cifs/file.c b/fs/cifs/file.c
index 834fce759d8..df414db74ab 100644
--- a/fs/cifs/file.c
+++ b/fs/cifs/file.c
@@ -2918,8 +2918,8 @@ error:
rc = 0;
/* the loop below should proceed in the order of increasing offsets */
-restart_loop:
list_for_each_entry_safe(rdata, tmp, &rdata_list, list) {
+ again:
if (!rc) {
ssize_t copied;
@@ -2927,20 +2927,20 @@ restart_loop:
rc = wait_for_completion_killable(&rdata->done);
if (rc)
rc = -EINTR;
- else if (rdata->result)
+ else if (rdata->result) {
rc = rdata->result;
- else {
+ /* resend call if it's a retryable error */
+ if (rc == -EAGAIN) {
+ rc = cifs_retry_async_readv(rdata);
+ goto again;
+ }
+ } else {
rc = cifs_readdata_to_iov(rdata, iov,
nr_segs, *poffset,
&copied);
total_read += copied;
}
- /* resend call if it's a retryable error */
- if (rc == -EAGAIN) {
- rc = cifs_retry_async_readv(rdata);
- goto restart_loop;
- }
}
list_del_init(&rdata->list);
kref_put(&rdata->refcount, cifs_uncached_readdata_release);