diff options
Diffstat (limited to 'fs/cifs/file.c')
| -rw-r--r-- | fs/cifs/file.c | 23 |
1 files changed, 20 insertions, 3 deletions
diff --git a/fs/cifs/file.c b/fs/cifs/file.c index e17012817d9..5d2501df8f6 100644 --- a/fs/cifs/file.c +++ b/fs/cifs/file.c @@ -3030,13 +3030,30 @@ again: else if (rdata->result == -EAGAIN) { /* resend call if it's a retryable error */ struct list_head tmp_list; + unsigned int got_bytes = rdata->got_bytes; list_del_init(&rdata->list); INIT_LIST_HEAD(&tmp_list); - rc = cifs_send_async_read(rdata->offset, - rdata->bytes, rdata->cfile, - cifs_sb, &tmp_list); + /* + * Got a part of data and then reconnect has + * happened -- fill the buffer and continue + * reading. + */ + if (got_bytes && got_bytes < rdata->bytes) { + rc = cifs_readdata_to_iov(rdata, to); + if (rc) { + kref_put(&rdata->refcount, + cifs_uncached_readdata_release); + continue; + } + } + + rc = cifs_send_async_read( + rdata->offset + got_bytes, + rdata->bytes - got_bytes, + rdata->cfile, cifs_sb, + &tmp_list); list_splice(&tmp_list, &rdata_list); |