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-rw-r--r--fs/cifs/file.c35
1 files changed, 22 insertions, 13 deletions
diff --git a/fs/cifs/file.c b/fs/cifs/file.c
index 853d6d1cc822..755584684f6c 100644
--- a/fs/cifs/file.c
+++ b/fs/cifs/file.c
@@ -2043,7 +2043,8 @@ retry:
}
wdata->pid = wdata->cfile->pid;
server = tlink_tcon(wdata->cfile->tlink)->ses->server;
- rc = server->ops->async_writev(wdata);
+ rc = server->ops->async_writev(wdata,
+ cifs_writedata_release);
} while (wbc->sync_mode == WB_SYNC_ALL && rc == -EAGAIN);
for (i = 0; i < nr_pages; ++i)
@@ -2331,9 +2332,20 @@ size_t get_numpages(const size_t wsize, const size_t len, size_t *cur_len)
}
static void
-cifs_uncached_writev_complete(struct work_struct *work)
+cifs_uncached_writedata_release(struct kref *refcount)
{
int i;
+ struct cifs_writedata *wdata = container_of(refcount,
+ struct cifs_writedata, refcount);
+
+ for (i = 0; i < wdata->nr_pages; i++)
+ put_page(wdata->pages[i]);
+ cifs_writedata_release(refcount);
+}
+
+static void
+cifs_uncached_writev_complete(struct work_struct *work)
+{
struct cifs_writedata *wdata = container_of(work,
struct cifs_writedata, work);
struct inode *inode = wdata->cfile->dentry->d_inode;
@@ -2347,12 +2359,7 @@ cifs_uncached_writev_complete(struct work_struct *work)
complete(&wdata->done);
- if (wdata->result != -EAGAIN) {
- for (i = 0; i < wdata->nr_pages; i++)
- put_page(wdata->pages[i]);
- }
-
- kref_put(&wdata->refcount, cifs_writedata_release);
+ kref_put(&wdata->refcount, cifs_uncached_writedata_release);
}
/* attempt to send write to server, retry on any -EAGAIN errors */
@@ -2370,7 +2377,8 @@ cifs_uncached_retry_writev(struct cifs_writedata *wdata)
if (rc != 0)
continue;
}
- rc = server->ops->async_writev(wdata);
+ rc = server->ops->async_writev(wdata,
+ cifs_uncached_writedata_release);
} while (rc == -EAGAIN);
return rc;
@@ -2454,7 +2462,8 @@ cifs_iovec_write(struct file *file, const struct iovec *iov,
wdata->tailsz = cur_len - ((nr_pages - 1) * PAGE_SIZE);
rc = cifs_uncached_retry_writev(wdata);
if (rc) {
- kref_put(&wdata->refcount, cifs_writedata_release);
+ kref_put(&wdata->refcount,
+ cifs_uncached_writedata_release);
break;
}
@@ -2496,7 +2505,7 @@ restart_loop:
}
}
list_del_init(&wdata->list);
- kref_put(&wdata->refcount, cifs_writedata_release);
+ kref_put(&wdata->refcount, cifs_uncached_writedata_release);
}
if (total_written > 0)
@@ -2559,8 +2568,8 @@ cifs_writev(struct kiocb *iocb, const struct iovec *iov,
if (rc > 0) {
ssize_t err;
- err = generic_write_sync(file, pos, rc);
- if (err < 0 && rc > 0)
+ err = generic_write_sync(file, iocb->ki_pos - rc, rc);
+ if (err < 0)
rc = err;
}