UBIFS: remove unnecessary stack variable
This is patch removes an unnecessary 'offs' variable from 'ubifs_wbuf_write_nolock()'
- we can just keep 'wbuf->offs' up-to-date instead. This patch is very minor
the only motivation for it was that it is cleaner to keep wbuf->offs up-to-date
by the time we call 'ubifs_leb_write()'.
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
diff --git a/fs/ubifs/io.c b/fs/ubifs/io.c
index 6cc0931..67bbde3 100644
--- a/fs/ubifs/io.c
+++ b/fs/ubifs/io.c
@@ -573,7 +573,7 @@
int ubifs_wbuf_write_nolock(struct ubifs_wbuf *wbuf, void *buf, int len)
{
struct ubifs_info *c = wbuf->c;
- int err, written, n, aligned_len = ALIGN(len, 8), offs;
+ int err, written, n, aligned_len = ALIGN(len, 8);
dbg_io("%d bytes (%s) to jhead %s wbuf at LEB %d:%d", len,
dbg_ntype(((struct ubifs_ch *)buf)->node_type),
@@ -636,7 +636,6 @@
goto exit;
}
- offs = wbuf->offs;
written = 0;
if (wbuf->used) {
@@ -653,7 +652,7 @@
if (err)
goto out;
- offs += wbuf->size;
+ wbuf->offs += wbuf->size;
len -= wbuf->avail;
aligned_len -= wbuf->avail;
written += wbuf->avail;
@@ -672,7 +671,7 @@
if (err)
goto out;
- offs += wbuf->size;
+ wbuf->offs += wbuf->size;
len -= wbuf->size;
aligned_len -= wbuf->size;
written += wbuf->size;
@@ -687,12 +686,13 @@
n = aligned_len >> c->max_write_shift;
if (n) {
n <<= c->max_write_shift;
- dbg_io("write %d bytes to LEB %d:%d", n, wbuf->lnum, offs);
- err = ubi_leb_write(c->ubi, wbuf->lnum, buf + written, offs, n,
- wbuf->dtype);
+ dbg_io("write %d bytes to LEB %d:%d", n, wbuf->lnum,
+ wbuf->offs);
+ err = ubi_leb_write(c->ubi, wbuf->lnum, buf + written,
+ wbuf->offs, n, wbuf->dtype);
if (err)
goto out;
- offs += n;
+ wbuf->offs += n;
aligned_len -= n;
len -= n;
written += n;
@@ -707,7 +707,6 @@
*/
memcpy(wbuf->buf, buf + written, len);
- wbuf->offs = offs;
if (c->leb_size - wbuf->offs >= c->max_write_size)
wbuf->size = c->max_write_size;
else