From: Yongqiang Yang <xiaoqiangnk@gmail.com>
To: linux-ext4@vger.kernel.org
Cc: tytso@mit.edu, Yongqiang Yang <xiaoqiangnk@gmail.com>
Subject: [PATCH v5 07/15] ext4: add a function which adds several group descriptors
Date: Fri, 23 Dec 2011 16:14:57 +0800 [thread overview]
Message-ID: <1324628105-32559-8-git-send-email-xiaoqiangnk@gmail.com> (raw)
In-Reply-To: <1324628105-32559-1-git-send-email-xiaoqiangnk@gmail.com>
From: Yongqiang Yang <xiaoqiangnk@gmail.com>
This patch adds a functon named ext4_add_new_descs() which adds
several group descriptors each time.
Signed-off-by: Yongqiang Yang <xiaoqiangnk@gmail.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
---
fs/ext4/resize.c | 25 +++++++++++++++++++++++++
1 files changed, 25 insertions(+), 0 deletions(-)
diff --git a/fs/ext4/resize.c b/fs/ext4/resize.c
index cdefa36..bae5b4c 100644
--- a/fs/ext4/resize.c
+++ b/fs/ext4/resize.c
@@ -1051,6 +1051,31 @@ out:
}
/*
+ * ext4_add_new_descs() adds @count group descriptor of groups
+ * starting at @group
+ *
+ * @handle: journal handle
+ * @sb; super block
+ * @group: the group no. of the first group desc to be added
+ * @resize_inode: the resize inode
+ * @count: number of group descriptors to be added
+ */
+static int ext4_add_new_descs(handle_t *handle, struct super_block *sb,
+ ext4_group_t group, struct inode *resize_inode,
+ ext4_group_t count)
+{
+ int i, err = 0;
+
+ for (i = 0; i < count; i++) {
+ err = ext4_add_new_desc(handle, sb, group + i, resize_inode);
+ if (err)
+ return err;
+ }
+
+ return err;
+}
+
+/*
* ext4_setup_new_desc() sets up group descriptors specified by @input.
*
* @handle: journal handle
--
1.7.5.1
next prev parent reply other threads:[~2011-12-23 11:53 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-12-23 8:14 [PATCH v5 00/15] ext4: add new online resize Yongqiang Yang
2011-12-23 8:14 ` [PATCH v5 01/15] ext4: add a function which extends a group without checking parameters Yongqiang Yang
2011-12-23 8:14 ` [PATCH v5 02/15] ext4: add a function which adds a new desc to a fs Yongqiang Yang
2011-12-23 8:14 ` [PATCH v5 03/15] ext4: add a function which sets up a new group desc Yongqiang Yang
2011-12-23 8:14 ` [PATCH v5 04/15] ext4: add a function which updates super block Yongqiang Yang
2011-12-23 8:14 ` [PATCH v5 05/15] ext4: add a structure which will be used by 64bit-resize interface Yongqiang Yang
2011-12-23 8:14 ` [PATCH v5 06/15] ext4: add a function which sets up group blocks of a flex groups Yongqiang Yang
2011-12-23 8:14 ` Yongqiang Yang [this message]
2011-12-23 8:14 ` [PATCH v5 08/15] ext4: add a function which sets up a flex groups each time Yongqiang Yang
2011-12-23 8:14 ` [PATCH v5 09/15] ext4: enable ext4_update_super() to handle a flex groups Yongqiang Yang
2011-12-23 8:15 ` [PATCH v5 10/15] ext4: pass verify_reserved_gdb() the number of group decriptors Yongqiang Yang
2011-12-23 8:15 ` [PATCH v5 11/15] ext4: add a new function which allocates bitmaps and inode tables Yongqiang Yang
2011-12-23 8:15 ` [PATCH v5 12/15] ext4: add a new function which adds a flex group to a fs Yongqiang Yang
2011-12-23 8:15 ` [PATCH v5 13/15] ext4: add new online resize interface Yongqiang Yang
2011-12-23 8:15 ` [PATCH v5 14/15] ext4: let ext4_group_extend() use common code Yongqiang Yang
2011-12-23 8:15 ` [PATCH v5 15/15] ext4: let ext4_group_add() " Yongqiang Yang
2011-12-29 4:07 ` [PATCH v5 00/15] ext4: add new online resize Ted Ts'o
2011-12-30 14:37 ` Yongqiang Yang
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