From: Jeff Mahoney <jeffm@suse.com>
To: ReiserFS Development List <reiserfs-devel@vger.kernel.org>
Cc: Jan Kara <jack@suse.cz>, Dave Jones <davej@redhat.com>
Subject: [patch 23/29] reiserfs: balance_leaf refactor, format balance_leaf_insert_left
Date: Wed, 23 Apr 2014 10:00:56 -0400 [thread overview]
Message-ID: <20140423151148.479703164@suse.com> (raw)
In-Reply-To: 20140423140033.704113918@suse.com
[-- Attachment #1: reiserfs/reiserfs-balance_leaf-refactor-format-balance_leaf_insert_left --]
[-- Type: text/plain, Size: 4189 bytes --]
Reformat balance_leaf_insert_left to adhere to CodingStyle.
Signed-off-by: Jeff Mahoney <jeffm@suse.com>
---
fs/reiserfs/do_balan.c | 107 ++++++++++++++++++++++++++-----------------------
1 file changed, 57 insertions(+), 50 deletions(-)
--- a/fs/reiserfs/do_balan.c
+++ b/fs/reiserfs/do_balan.c
@@ -293,59 +293,66 @@ static int balance_leaf_when_delete(stru
static void balance_leaf_insert_left(struct tree_balance *tb,
struct item_head *ih, const char *body)
{
- int ret_val;
+ int ret;
struct buffer_info bi;
int n = B_NR_ITEMS(tb->L[0]);
- if (tb->item_pos == tb->lnum[0] - 1 && tb->lbytes != -1) {
- /* part of new item falls into L[0] */
- int new_item_len;
- int version;
-
- ret_val = leaf_shift_left(tb, tb->lnum[0] - 1, -1);
-
- /* Calculate item length to insert to S[0] */
- new_item_len = ih_item_len(ih) - tb->lbytes;
- /* Calculate and check item length to insert to L[0] */
- put_ih_item_len(ih, ih_item_len(ih) - new_item_len);
-
- RFALSE(ih_item_len(ih) <= 0,
- "PAP-12080: there is nothing to insert into L[0]: ih_item_len=%d",
- ih_item_len(ih));
-
- /* Insert new item into L[0] */
- buffer_info_init_left(tb, &bi);
- leaf_insert_into_buf(&bi,
- n + tb->item_pos - ret_val, ih, body,
- tb->zeroes_num > ih_item_len(ih) ? ih_item_len(ih) : tb->zeroes_num);
-
- version = ih_version(ih);
-
- /* Calculate key component, item length and body to insert into S[0] */
- set_le_ih_k_offset(ih, le_ih_k_offset(ih) +
- (tb->lbytes << (is_indirect_le_ih(ih) ? tb->tb_sb->s_blocksize_bits - UNFM_P_SHIFT : 0)));
-
- put_ih_item_len(ih, new_item_len);
- if (tb->lbytes > tb->zeroes_num) {
- body += (tb->lbytes - tb->zeroes_num);
- tb->zeroes_num = 0;
- } else
- tb->zeroes_num -= tb->lbytes;
-
- RFALSE(ih_item_len(ih) <= 0,
- "PAP-12085: there is nothing to insert into S[0]: ih_item_len=%d",
- ih_item_len(ih));
- } else {
- /* new item in whole falls into L[0] */
- /* Shift lnum[0]-1 items to L[0] */
- ret_val = leaf_shift_left(tb, tb->lnum[0] - 1, tb->lbytes);
- /* Insert new item into L[0] */
- buffer_info_init_left(tb, &bi);
- leaf_insert_into_buf(&bi, n + tb->item_pos - ret_val, ih, body, tb->zeroes_num);
- tb->insert_size[0] = 0;
- tb->zeroes_num = 0;
- }
-
+ if (tb->item_pos == tb->lnum[0] - 1 && tb->lbytes != -1) {
+ /* part of new item falls into L[0] */
+ int new_item_len, shift;
+ int version;
+
+ ret = leaf_shift_left(tb, tb->lnum[0] - 1, -1);
+
+ /* Calculate item length to insert to S[0] */
+ new_item_len = ih_item_len(ih) - tb->lbytes;
+
+ /* Calculate and check item length to insert to L[0] */
+ put_ih_item_len(ih, ih_item_len(ih) - new_item_len);
+
+ RFALSE(ih_item_len(ih) <= 0,
+ "PAP-12080: there is nothing to insert into L[0]: "
+ "ih_item_len=%d", ih_item_len(ih));
+
+ /* Insert new item into L[0] */
+ buffer_info_init_left(tb, &bi);
+ leaf_insert_into_buf(&bi, n + tb->item_pos - ret, ih, body,
+ min_t(int, tb->zeroes_num, ih_item_len(ih)));
+
+ version = ih_version(ih);
+
+ /*
+ * Calculate key component, item length and body to
+ * insert into S[0]
+ */
+ shift = 0;
+ if (is_indirect_le_ih(ih))
+ shift = tb->tb_sb->s_blocksize_bits - UNFM_P_SHIFT;
+
+ add_le_ih_k_offset(ih, tb->lbytes << shift);
+
+ put_ih_item_len(ih, new_item_len);
+ if (tb->lbytes > tb->zeroes_num) {
+ body += (tb->lbytes - tb->zeroes_num);
+ tb->zeroes_num = 0;
+ } else
+ tb->zeroes_num -= tb->lbytes;
+
+ RFALSE(ih_item_len(ih) <= 0,
+ "PAP-12085: there is nothing to insert into S[0]: "
+ "ih_item_len=%d", ih_item_len(ih));
+ } else {
+ /* new item in whole falls into L[0] */
+ /* Shift lnum[0]-1 items to L[0] */
+ ret = leaf_shift_left(tb, tb->lnum[0] - 1, tb->lbytes);
+
+ /* Insert new item into L[0] */
+ buffer_info_init_left(tb, &bi);
+ leaf_insert_into_buf(&bi, n + tb->item_pos - ret, ih, body,
+ tb->zeroes_num);
+ tb->insert_size[0] = 0;
+ tb->zeroes_num = 0;
+ }
}
static void balance_leaf_paste_left(struct tree_balance *tb,
next prev parent reply other threads:[~2014-04-23 14:00 UTC|newest]
Thread overview: 50+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-04-23 14:00 [patch 00/29] reiserfs cleanup patchset Jeff Mahoney
2014-04-23 14:00 ` [patch 01/29] reiserfs: use per-fs commit workqueues Jeff Mahoney
2014-04-23 14:00 ` [patch 02/29] reiserfs: cleanup, rename key and item accessors to more friendly names Jeff Mahoney
2014-04-23 14:00 ` [patch 04/29] reiserfs: cleanup, remove nblocks argument from journal_end Jeff Mahoney
2014-04-23 14:00 ` [patch 05/29] reiserfs: cleanup, remove sb " Jeff Mahoney
2014-04-23 14:00 ` [patch 06/29] reiserfs: cleanup, remove sb argument from journal_mark_dirty Jeff Mahoney
2014-04-23 14:00 ` [patch 07/29] reiserfs: cleanup, remove blocks arg from journal_join Jeff Mahoney
2014-04-23 14:00 ` [patch 08/29] reiserfs: cleanup, remove leading whitespace from labels Jeff Mahoney
2014-04-23 14:00 ` [patch 09/29] reiserfs: cleanup, remove unnecessary parens Jeff Mahoney
2014-04-23 14:00 ` [patch 10/29] reiserfs: cleanup, remove unnecessary parens in dirent creation Jeff Mahoney
2014-04-23 14:00 ` [patch 11/29] reiserfs: cleanup, make hash detection saner Jeff Mahoney
2014-05-06 21:27 ` Jan Kara
2014-05-07 12:16 ` Jeff Mahoney
2014-05-07 15:50 ` Jan Kara
2014-04-23 14:00 ` [patch 12/29] reiserfs: balance_leaf refactor, reformat balance_leaf comments Jeff Mahoney
2014-04-23 14:00 ` [patch 13/29] reiserfs: balance_leaf refactor, move state variables into tree_balance Jeff Mahoney
2014-04-23 14:00 ` [patch 14/29] reiserfs: balance_leaf refactor, pull out balance_leaf_insert_left Jeff Mahoney
2014-04-23 14:00 ` [patch 15/29] reiserfs: balance_leaf refactor, pull out balance_leaf_paste_left Jeff Mahoney
2014-04-23 14:00 ` [patch 16/29] reiserfs: balance_leaf refactor, pull out balance_leaf_insert_right Jeff Mahoney
2014-04-23 14:00 ` [patch 17/29] reiserfs: balance_leaf refactor, pull out balance_leaf_paste_right Jeff Mahoney
2014-04-23 14:00 ` [patch 18/29] reiserfs: balance_leaf refactor, pull out balance_leaf_new_nodes_insert Jeff Mahoney
2014-04-23 14:00 ` [patch 19/29] reiserfs: balance_leaf refactor, pull out balance_leaf_new_nodes_paste Jeff Mahoney
2014-04-23 14:00 ` [patch 20/29] reiserfs: balance_leaf refactor pull out balance_leaf_finish_node_insert Jeff Mahoney
2014-04-23 14:00 ` [patch 21/29] reiserfs: balance_leaf refactor, pull out balance_leaf_finish_node_paste Jeff Mahoney
2014-04-23 14:00 ` [patch 22/29] reiserfs: balance_leaf refactor, pull out balance_leaf{left, right, new_nodes, finish_node} Jeff Mahoney
2014-04-23 14:00 ` Jeff Mahoney [this message]
2014-04-23 14:00 ` [patch 24/29] reiserfs: balance_leaf refactor, format balance_leaf_paste_left Jeff Mahoney
2014-04-23 14:00 ` [patch 25/29] reiserfs: balance_leaf refactor, format balance_leaf_insert_right Jeff Mahoney
2014-04-23 14:00 ` [patch 26/29] reiserfs: balance_leaf refactor, format balance_leaf_paste_right Jeff Mahoney
2014-04-23 14:01 ` [patch 27/29] reiserfs: balance_leaf refactor, format balance_leaf_new_nodes_paste Jeff Mahoney
2014-04-23 14:01 ` [patch 28/29] reiserfs: balance_leaf refactor, format balance_leaf_finish_node Jeff Mahoney
2014-04-23 14:01 ` [patch 29/29] reiserfs: balance_leaf refactor, split up balance_leaf_when_delete Jeff Mahoney
2014-04-26 3:46 ` [patch 00/29] reiserfs cleanup patchset doiggl
2014-04-26 15:14 ` Jeff Mahoney
2014-05-16 10:47 ` doiggl
2014-05-22 8:24 ` doiggl
2014-05-22 13:51 ` Jeff Mahoney
2014-05-26 4:12 ` doiggl
2014-05-26 18:24 ` Jeff Mahoney
2014-06-12 14:31 ` doiggl
2014-06-12 14:38 ` Jeff Mahoney
2014-06-13 4:20 ` doiggl
2014-06-13 4:25 ` Jeff Mahoney
2014-06-13 15:09 ` Jeff Mahoney
2014-05-13 14:13 ` Jan Kara
2014-05-13 14:15 ` Jeff Mahoney
2014-05-27 9:23 ` doiggl
2014-05-27 12:36 ` Jeff Mahoney
2014-06-05 3:21 ` Jose R R
[not found] ` <47aabceb9575031270f0940059da157c@mail.velocitynet.com.au>
2014-06-26 14:27 ` [patch 00/29] reiserfs cleanup patchset - 03/29 attached [reiserfs: cleanup, reformat comments to normal kernel style] Jose R R
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20140423151148.479703164@suse.com \
--to=jeffm@suse.com \
--cc=davej@redhat.com \
--cc=jack@suse.cz \
--cc=reiserfs-devel@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.