summaryrefslogtreecommitdiffstats
path: root/fs/ext4/super.c
diff options
context:
space:
mode:
authorZheng Liu <wenqing.lz@taobao.com>2012-11-08 21:57:32 -0500
committerTheodore Ts'o <tytso@mit.edu>2012-11-08 21:57:32 -0500
commit51865fda28e585bdcc164474ff6438a9ccdbfada (patch)
treec4450c21bdbce0750543d8b1cd59992fb342a650 /fs/ext4/super.c
parent9a26b66175e1c221f39bbe09e2e1d0a31a14ba6d (diff)
ext4: let ext4 maintain extent status tree
This patch lets ext4 maintain extent status tree. Currently it only tracks delay extent status in extent status tree. When a delay allocation is issued, the related delay extent will be inserted into extent status tree. When a delay extent is written out or invalidated, it will be removed from this tree. Signed-off-by: Yongqiang Yang <xiaoqiangnk@gmail.com> Signed-off-by: Allison Henderson <achender@linux.vnet.ibm.com> Signed-off-by: Zheng Liu <wenqing.lz@taobao.com> Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Diffstat (limited to 'fs/ext4/super.c')
-rw-r--r--fs/ext4/super.c12
1 files changed, 11 insertions, 1 deletions
diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index 6791d091fbc..ad6cd8aeb94 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -50,6 +50,7 @@
#include "xattr.h"
#include "acl.h"
#include "mballoc.h"
+#include "ext4_extents.h"
#define CREATE_TRACE_POINTS
#include <trace/events/ext4.h>
@@ -1033,6 +1034,7 @@ void ext4_clear_inode(struct inode *inode)
clear_inode(inode);
dquot_drop(inode);
ext4_discard_preallocations(inode);
+ ext4_es_remove_extent(inode, 0, EXT_MAX_BLOCKS);
if (EXT4_I(inode)->jinode) {
jbd2_journal_release_jbd_inode(EXT4_JOURNAL(inode),
EXT4_I(inode)->jinode);
@@ -5296,9 +5298,14 @@ static int __init ext4_init_fs(void)
init_waitqueue_head(&ext4__ioend_wq[i]);
}
- err = ext4_init_pageio();
+ err = ext4_init_es();
if (err)
return err;
+
+ err = ext4_init_pageio();
+ if (err)
+ goto out7;
+
err = ext4_init_system_zone();
if (err)
goto out6;
@@ -5348,6 +5355,9 @@ out5:
ext4_exit_system_zone();
out6:
ext4_exit_pageio();
+out7:
+ ext4_exit_es();
+
return err;
}