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authorZheng Liu <wenqing.lz@taobao.com>2013-08-28 22:47:06 +0400
committerTheodore Ts'o <tytso@mit.edu>2013-08-28 22:47:06 +0400
commitd7b2a00c2e2eedf460ce2a15237f28de40412d86 (patch)
tree5a6b062e0973a84cab9b66f75a7a573361ccdf69 /fs/ext4/extents_status.c
parent70261f568f3c08552f034742e3d5cb78c3877766 (diff)
downloadlinux-d7b2a00c2e2eedf460ce2a15237f28de40412d86.tar.xz
ext4: isolate ext4_extents.h file
After applied the commit (4a092d73), we have reduced the number of source files that need to #include ext4_extents.h. But we can do better. This commit defines ext4_zeroout_es() in extents.c and move EXT_MAX_BLOCKS into ext4.h in order not to include ext4_extents.h in indirect.c and ioctl.c. Meanwhile we just need to include this file in extent_status.c when ES_AGGRESSIVE_TEST is defined. Otherwise, this commit removes a duplicated declaration in trace/events/ext4.h. After applied this patch, we just need to include ext4_extents.h file in {super,migrate,move_extents,extents}.c, and it is easy for us to define a new extent disk layout. Signed-off-by: Zheng Liu <wenqing.lz@taobao.com> Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Diffstat (limited to 'fs/ext4/extents_status.c')
-rw-r--r--fs/ext4/extents_status.c20
1 files changed, 2 insertions, 18 deletions
diff --git a/fs/ext4/extents_status.c b/fs/ext4/extents_status.c
index 0e88a367b535..2d1bdbe78c04 100644
--- a/fs/ext4/extents_status.c
+++ b/fs/ext4/extents_status.c
@@ -13,7 +13,6 @@
#include <linux/list_sort.h>
#include "ext4.h"
#include "extents_status.h"
-#include "ext4_extents.h"
#include <trace/events/ext4.h>
@@ -409,6 +408,8 @@ ext4_es_try_to_merge_right(struct inode *inode, struct extent_status *es)
}
#ifdef ES_AGGRESSIVE_TEST
+#include "ext4_extents.h" /* Needed when ES_AGGRESSIVE_TEST is defined */
+
static void ext4_es_insert_extent_ext_check(struct inode *inode,
struct extent_status *es)
{
@@ -903,23 +904,6 @@ int ext4_es_remove_extent(struct inode *inode, ext4_lblk_t lblk,
return err;
}
-int ext4_es_zeroout(struct inode *inode, struct ext4_extent *ex)
-{
- ext4_lblk_t ee_block;
- ext4_fsblk_t ee_pblock;
- unsigned int ee_len;
-
- ee_block = le32_to_cpu(ex->ee_block);
- ee_len = ext4_ext_get_actual_len(ex);
- ee_pblock = ext4_ext_pblock(ex);
-
- if (ee_len == 0)
- return 0;
-
- return ext4_es_insert_extent(inode, ee_block, ee_len, ee_pblock,
- EXTENT_STATUS_WRITTEN);
-}
-
static int ext4_inode_touch_time_cmp(void *priv, struct list_head *a,
struct list_head *b)
{