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Date: Thu, 21 Jun 2007 10:55:38 +0900
From: "Takashi Sato" <t-sato@...jp.nec.com>
To: linux-ext4@...r.kernel.org, linux-fsdevel@...r.kernel.org
Subject: [RFC][PATCH 8/10] Release reserved block
- Release reserved blocks if defrag failed.
Signed-off-by: Takashi Sato <t-sato@...jp.nec.com>
Signed-off-by: Akira Fujita <a-fujita@...jp.nec.com>
---
diff -X Online-Defrag_linux-2.6.19-rc6-git/Documentation/dontdiff -upNr Online-Defrag_linux-2.6.19-rc6-git-BLOCK_RELEASE/fs/ext4/extents.c Online-Defrag_linux-2.6.19-rc6-git-lg-mballoc-bugfix/fs/ext4/extents.c
--- Online-Defrag_linux-2.6.19-rc6-git-BLOCK_RELEASE/fs/ext4/extents.c 2007-06-19 20:19:14.000000000 +0900
+++ Online-Defrag_linux-2.6.19-rc6-git-lg-mballoc-bugfix/fs/ext4/extents.c 2007-06-18 14:23:07.000000000 +0900
@@ -3066,6 +3066,10 @@ int ext4_ext_ioctl(struct inode *inode,
err = ext4_ext_defrag_victim(filp, &ext_info);
+ } else if (cmd == EXT4_IOC_BLOCK_RELEASE) {
+ mutex_lock(&EXT4_I(inode)->truncate_mutex);
+ ext4_discard_reservation(inode);
+ mutex_unlock(&EXT4_I(inode)->truncate_mutex);
} else if (cmd == EXT4_IOC_DEFRAG) {
struct ext4_ext_defrag_data defrag;
-
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