lift sb_start_write() out of ->write()
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/fs/read_write.c b/fs/read_write.c
index e6dd1c2..a1f4d44 100644
--- a/fs/read_write.c
+++ b/fs/read_write.c
@@ -398,7 +398,6 @@
struct kiocb kiocb;
ssize_t ret;
- file_start_write(filp);
init_sync_kiocb(&kiocb, filp);
kiocb.ki_pos = *ppos;
kiocb.ki_left = len;
@@ -414,7 +413,6 @@
if (-EIOCBQUEUED == ret)
ret = wait_on_sync_kiocb(&kiocb);
*ppos = kiocb.ki_pos;
- file_end_write(filp);
return ret;
}
@@ -458,6 +456,7 @@
ret = rw_verify_area(WRITE, file, pos, count);
if (ret >= 0) {
count = ret;
+ file_start_write(file);
if (file->f_op->write)
ret = file->f_op->write(file, buf, count, pos);
else
@@ -467,6 +466,7 @@
add_wchar(current, ret);
}
inc_syscw(current);
+ file_end_write(file);
}
return ret;
@@ -758,16 +758,18 @@
} else {
fn = (io_fn_t)file->f_op->write;
fnv = file->f_op->aio_write;
+ file_start_write(file);
}
- if (fnv) {
- file_start_write(file);
+ if (fnv)
ret = do_sync_readv_writev(file, iov, nr_segs, tot_len,
pos, fnv);
- file_end_write(file);
- } else
+ else
ret = do_loop_readv_writev(file, iov, nr_segs, pos, fn);
+ if (type != READ)
+ file_end_write(file);
+
out:
if (iov != iovstack)
kfree(iov);
@@ -936,16 +938,18 @@
} else {
fn = (io_fn_t)file->f_op->write;
fnv = file->f_op->aio_write;
+ file_start_write(file);
}
- if (fnv) {
- file_start_write(file);
+ if (fnv)
ret = do_sync_readv_writev(file, iov, nr_segs, tot_len,
pos, fnv);
- file_end_write(file);
- } else
+ else
ret = do_loop_readv_writev(file, iov, nr_segs, pos, fn);
+ if (type != READ)
+ file_end_write(file);
+
out:
if (iov != iovstack)
kfree(iov);