From: Yongqiang Yang <xiaoqiangnk@gmail.com>
To: tytso@mit.edu
Cc: linux-ext4@vger.kernel.org, Yongqiang Yang <xiaoqiangnk@gmail.com>
Subject: [PATCH V3 08/15] ext4: add a function which sets up a flex groups each time
Date: Tue, 8 Nov 2011 07:13:21 +0800 [thread overview]
Message-ID: <1320707608-14246-9-git-send-email-xiaoqiangnk@gmail.com> (raw)
In-Reply-To: <1320707608-14246-1-git-send-email-xiaoqiangnk@gmail.com>
This patch adds a function named ext4_setup_new_descs() which sets up
a flex groups each time.
Signed-off-by: Yongqiang Yang <xiaoqiangnk@gmail.com>
---
fs/ext4/resize.c | 25 +++++++++++++++++++++++--
1 files changed, 23 insertions(+), 2 deletions(-)
diff --git a/fs/ext4/resize.c b/fs/ext4/resize.c
index e44b0b8..353cf9b 100644
--- a/fs/ext4/resize.c
+++ b/fs/ext4/resize.c
@@ -1082,7 +1082,8 @@ static int ext4_add_new_descs(handle_t *handle, struct super_block *sb,
* @sb: super block
*/
static int ext4_setup_new_desc(handle_t *handle, struct super_block *sb,
- struct ext4_new_group_data *input)
+ struct ext4_new_group_data *input,
+ __u16 bg_flags)
{
struct ext4_sb_info *sbi = EXT4_SB(sb);
ext4_group_t group;
@@ -1112,7 +1113,7 @@ static int ext4_setup_new_desc(handle_t *handle, struct super_block *sb,
ext4_free_group_clusters_set(sb, gdp,
EXT4_B2C(sbi, input->free_blocks_count));
ext4_free_inodes_set(sb, gdp, EXT4_INODES_PER_GROUP(sb));
- gdp->bg_flags = cpu_to_le16(EXT4_BG_INODE_ZEROED);
+ gdp->bg_flags = cpu_to_le16(bg_flags);
gdp->bg_checksum = ext4_group_desc_csum(sbi, input->group, gdp);
err = ext4_handle_dirty_metadata(handle, NULL, gdb_bh);
@@ -1131,6 +1132,26 @@ static int ext4_setup_new_desc(handle_t *handle, struct super_block *sb,
}
/*
+ * ext4_setup_new_descs setups group descriptors of a flex groups
+ */
+static int ext4_setup_new_descs(handle_t *handle, struct super_block *sb,
+ struct ext4_new_flex_group_data *flex_gd)
+{
+ struct ext4_new_group_data *group_data = flex_gd->groups;
+ __u16 *bg_flags = flex_gd->bg_flags;
+ int i, err = 0;
+
+ for (i = 0; i < flex_gd->count; i++) {
+ err = ext4_setup_new_desc(handle, sb, group_data + i,
+ bg_flags[i]);
+ if (err)
+ return err;
+ }
+
+ return err;
+}
+
+/*
* ext4_update_super() updates super so that new the added group can be seen
* by the filesystem.
*
--
1.7.5.1
next prev parent reply other threads:[~2011-11-08 1:28 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-11-07 23:13 [PATCH V3 0/15] ext4: add new online resize interface Yongqiang Yang
2011-11-07 23:13 ` [PATCH V3 01/15] ext4: add a function which extends a group without checking parameters Yongqiang Yang
2011-11-08 7:12 ` Andreas Dilger
2011-11-08 8:37 ` Yongqiang Yang
2011-11-07 23:13 ` [PATCH V3 02/15] ext4: add a function which adds a new desc to a fs Yongqiang Yang
2011-11-07 23:13 ` [PATCH V3 03/15] ext4: add a function which sets up a new group desc Yongqiang Yang
2011-11-07 23:13 ` [PATCH V3 04/15] ext4: add a function which updates super block Yongqiang Yang
2011-11-07 23:13 ` [PATCH V3 05/15] ext4: add a structure which will be used by 64bit-resize interface Yongqiang Yang
2011-11-07 23:13 ` [PATCH V3 06/15] ext4: add a function which sets up group blocks of a flex groups Yongqiang Yang
2011-11-07 23:13 ` [PATCH V3 07/15] ext4: add a function which adds several group descriptors Yongqiang Yang
2011-11-07 23:13 ` Yongqiang Yang [this message]
2011-11-07 23:13 ` [PATCH V3 09/15] ext4: enable ext4_update_super() to handle a flex groups Yongqiang Yang
2011-11-07 23:13 ` [PATCH V3 10/15] ext4: pass verify_reserved_gdb() the number of group decriptors Yongqiang Yang
2011-11-07 23:13 ` [PATCH V3 11/15] ext4: add a new function which allocates bitmaps and inode tables Yongqiang Yang
2011-11-07 23:13 ` [PATCH V3 12/15] ext4: add a new function which adds a flex group to a fs Yongqiang Yang
2011-11-07 23:13 ` [PATCH V3 13/15] ext4: add new online resize interface Yongqiang Yang
2011-11-07 23:13 ` [PATCH V3 14/15] ext4: let ext4_group_extend() use common code Yongqiang Yang
2011-11-07 23:13 ` [PATCH V3 15/15] ext4: let ext4_group_add() " Yongqiang Yang
2011-11-08 7:06 ` [PATCH V3 0/15] ext4: add new online resize interface Andreas Dilger
2011-11-08 8:38 ` Yongqiang Yang
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=1320707608-14246-9-git-send-email-xiaoqiangnk@gmail.com \
--to=xiaoqiangnk@gmail.com \
--cc=linux-ext4@vger.kernel.org \
--cc=tytso@mit.edu \
/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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).