Skip to content
体验新版
项目
组织
正在加载...
登录
切换导航
打开侧边栏
FengXiao2002
Linux Imx
提交
ba80b101
L
Linux Imx
项目概览
FengXiao2002
/
Linux Imx
通知
8
Star
0
Fork
0
代码
文件
提交
分支
Tags
贡献者
分支图
Diff
Issue
0
列表
看板
标记
里程碑
合并请求
0
DevOps
流水线
流水线任务
计划
Wiki
0
Wiki
分析
仓库
DevOps
项目成员
Pages
L
Linux Imx
项目概览
项目概览
详情
发布
仓库
仓库
文件
提交
分支
标签
贡献者
分支图
比较
Issue
0
Issue
0
列表
看板
标记
里程碑
合并请求
0
合并请求
0
Pages
DevOps
DevOps
流水线
流水线任务
计划
分析
分析
仓库分析
DevOps
Wiki
0
Wiki
成员
成员
收起侧边栏
关闭侧边栏
动态
分支图
创建新Issue
流水线任务
提交
Issue看板
体验新版 GitCode,发现更多精彩内容 >>
提交
ba80b101
编写于
1月 03, 2009
作者:
T
Theodore Ts'o
浏览文件
操作
浏览文件
下载
电子邮件补丁
差异文件
ext4: Add markers for better debuggability
Signed-off-by:
N
"Theodore Ts'o"
<
tytso@mit.edu
>
上级
c3191067
变更
3
隐藏空白更改
内联
并排
Showing
3 changed file
with
116 addition
and
3 deletion
+116
-3
fs/ext4/ialloc.c
fs/ext4/ialloc.c
+9
-0
fs/ext4/inode.c
fs/ext4/inode.c
+56
-0
fs/ext4/mballoc.c
fs/ext4/mballoc.c
+51
-3
未找到文件。
fs/ext4/ialloc.c
浏览文件 @
ba80b101
...
...
@@ -210,6 +210,11 @@ void ext4_free_inode(handle_t *handle, struct inode *inode)
ino
=
inode
->
i_ino
;
ext4_debug
(
"freeing inode %lu
\n
"
,
ino
);
trace_mark
(
ext4_free_inode
,
"dev %s ino %lu mode %d uid %lu gid %lu bocks %llu"
,
sb
->
s_id
,
inode
->
i_ino
,
inode
->
i_mode
,
(
unsigned
long
)
inode
->
i_uid
,
(
unsigned
long
)
inode
->
i_gid
,
(
unsigned
long
long
)
inode
->
i_blocks
);
/*
* Note: we must free any quota before locking the superblock,
...
...
@@ -698,6 +703,8 @@ struct inode *ext4_new_inode(handle_t *handle, struct inode *dir, int mode)
return
ERR_PTR
(
-
EPERM
);
sb
=
dir
->
i_sb
;
trace_mark
(
ext4_request_inode
,
"dev %s dir %lu mode %d"
,
sb
->
s_id
,
dir
->
i_ino
,
mode
);
inode
=
new_inode
(
sb
);
if
(
!
inode
)
return
ERR_PTR
(
-
ENOMEM
);
...
...
@@ -925,6 +932,8 @@ got:
}
ext4_debug
(
"allocating inode %lu
\n
"
,
inode
->
i_ino
);
trace_mark
(
ext4_allocate_inode
,
"dev %s ino %lu dir %lu mode %d"
,
sb
->
s_id
,
inode
->
i_ino
,
dir
->
i_ino
,
mode
);
goto
really_out
;
fail:
ext4_std_error
(
sb
,
err
);
...
...
fs/ext4/inode.c
浏览文件 @
ba80b101
...
...
@@ -1351,6 +1351,10 @@ static int ext4_write_begin(struct file *file, struct address_space *mapping,
pgoff_t
index
;
unsigned
from
,
to
;
trace_mark
(
ext4_write_begin
,
"dev %s ino %lu pos %llu len %u flags %u"
,
inode
->
i_sb
->
s_id
,
inode
->
i_ino
,
(
unsigned
long
long
)
pos
,
len
,
flags
);
index
=
pos
>>
PAGE_CACHE_SHIFT
;
from
=
pos
&
(
PAGE_CACHE_SIZE
-
1
);
to
=
from
+
len
;
...
...
@@ -1422,6 +1426,10 @@ static int ext4_ordered_write_end(struct file *file,
struct
inode
*
inode
=
mapping
->
host
;
int
ret
=
0
,
ret2
;
trace_mark
(
ext4_ordered_write_end
,
"dev %s ino %lu pos %llu len %u copied %u"
,
inode
->
i_sb
->
s_id
,
inode
->
i_ino
,
(
unsigned
long
long
)
pos
,
len
,
copied
);
ret
=
ext4_jbd2_file_inode
(
handle
,
inode
);
if
(
ret
==
0
)
{
...
...
@@ -1460,6 +1468,10 @@ static int ext4_writeback_write_end(struct file *file,
int
ret
=
0
,
ret2
;
loff_t
new_i_size
;
trace_mark
(
ext4_writeback_write_end
,
"dev %s ino %lu pos %llu len %u copied %u"
,
inode
->
i_sb
->
s_id
,
inode
->
i_ino
,
(
unsigned
long
long
)
pos
,
len
,
copied
);
new_i_size
=
pos
+
copied
;
if
(
new_i_size
>
EXT4_I
(
inode
)
->
i_disksize
)
{
ext4_update_i_disksize
(
inode
,
new_i_size
);
...
...
@@ -1495,6 +1507,10 @@ static int ext4_journalled_write_end(struct file *file,
unsigned
from
,
to
;
loff_t
new_i_size
;
trace_mark
(
ext4_journalled_write_end
,
"dev %s ino %lu pos %llu len %u copied %u"
,
inode
->
i_sb
->
s_id
,
inode
->
i_ino
,
(
unsigned
long
long
)
pos
,
len
,
copied
);
from
=
pos
&
(
PAGE_CACHE_SIZE
-
1
);
to
=
from
+
len
;
...
...
@@ -2311,6 +2327,9 @@ static int ext4_da_writepage(struct page *page,
struct
buffer_head
*
page_bufs
;
struct
inode
*
inode
=
page
->
mapping
->
host
;
trace_mark
(
ext4_da_writepage
,
"dev %s ino %lu page_index %lu"
,
inode
->
i_sb
->
s_id
,
inode
->
i_ino
,
page
->
index
);
size
=
i_size_read
(
inode
);
if
(
page
->
index
==
size
>>
PAGE_CACHE_SHIFT
)
len
=
size
&
~
PAGE_CACHE_MASK
;
...
...
@@ -2421,6 +2440,20 @@ static int ext4_da_writepages(struct address_space *mapping,
int
needed_blocks
,
ret
=
0
,
nr_to_writebump
=
0
;
struct
ext4_sb_info
*
sbi
=
EXT4_SB
(
mapping
->
host
->
i_sb
);
trace_mark
(
ext4_da_writepages
,
"dev %s ino %lu nr_t_write %ld "
"pages_skipped %ld range_start %llu "
"range_end %llu nonblocking %d "
"for_kupdate %d for_reclaim %d "
"for_writepages %d range_cyclic %d"
,
inode
->
i_sb
->
s_id
,
inode
->
i_ino
,
wbc
->
nr_to_write
,
wbc
->
pages_skipped
,
(
unsigned
long
long
)
wbc
->
range_start
,
(
unsigned
long
long
)
wbc
->
range_end
,
wbc
->
nonblocking
,
wbc
->
for_kupdate
,
wbc
->
for_reclaim
,
wbc
->
for_writepages
,
wbc
->
range_cyclic
);
/*
* No pages to write? This is mainly a kludge to avoid starting
* a transaction for special inodes like journal inode on last iput()
...
...
@@ -2539,6 +2572,14 @@ out_writepages:
if
(
!
no_nrwrite_index_update
)
wbc
->
no_nrwrite_index_update
=
0
;
wbc
->
nr_to_write
-=
nr_to_writebump
;
trace_mark
(
ext4_da_writepage_result
,
"dev %s ino %lu ret %d pages_written %d "
"pages_skipped %ld congestion %d "
"more_io %d no_nrwrite_index_update %d"
,
inode
->
i_sb
->
s_id
,
inode
->
i_ino
,
ret
,
pages_written
,
wbc
->
pages_skipped
,
wbc
->
encountered_congestion
,
wbc
->
more_io
,
wbc
->
no_nrwrite_index_update
);
return
ret
;
}
...
...
@@ -2590,6 +2631,11 @@ static int ext4_da_write_begin(struct file *file, struct address_space *mapping,
len
,
flags
,
pagep
,
fsdata
);
}
*
fsdata
=
(
void
*
)
0
;
trace_mark
(
ext4_da_write_begin
,
"dev %s ino %lu pos %llu len %u flags %u"
,
inode
->
i_sb
->
s_id
,
inode
->
i_ino
,
(
unsigned
long
long
)
pos
,
len
,
flags
);
retry:
/*
* With delayed allocation, we don't log the i_disksize update
...
...
@@ -2679,6 +2725,10 @@ static int ext4_da_write_end(struct file *file,
}
}
trace_mark
(
ext4_da_write_end
,
"dev %s ino %lu pos %llu len %u copied %u"
,
inode
->
i_sb
->
s_id
,
inode
->
i_ino
,
(
unsigned
long
long
)
pos
,
len
,
copied
);
start
=
pos
&
(
PAGE_CACHE_SIZE
-
1
);
end
=
start
+
copied
-
1
;
...
...
@@ -2892,6 +2942,9 @@ static int ext4_normal_writepage(struct page *page,
loff_t
size
=
i_size_read
(
inode
);
loff_t
len
;
trace_mark
(
ext4_normal_writepage
,
"dev %s ino %lu page_index %lu"
,
inode
->
i_sb
->
s_id
,
inode
->
i_ino
,
page
->
index
);
J_ASSERT
(
PageLocked
(
page
));
if
(
page
->
index
==
size
>>
PAGE_CACHE_SHIFT
)
len
=
size
&
~
PAGE_CACHE_MASK
;
...
...
@@ -2977,6 +3030,9 @@ static int ext4_journalled_writepage(struct page *page,
loff_t
size
=
i_size_read
(
inode
);
loff_t
len
;
trace_mark
(
ext4_journalled_writepage
,
"dev %s ino %lu page_index %lu"
,
inode
->
i_sb
->
s_id
,
inode
->
i_ino
,
page
->
index
);
J_ASSERT
(
PageLocked
(
page
));
if
(
page
->
index
==
size
>>
PAGE_CACHE_SHIFT
)
len
=
size
&
~
PAGE_CACHE_MASK
;
...
...
fs/ext4/mballoc.c
浏览文件 @
ba80b101
...
...
@@ -2878,8 +2878,9 @@ static void release_blocks_on_commit(journal_t *journal, transaction_t *txn)
discard_block
=
(
ext4_fsblk_t
)
entry
->
group
*
EXT4_BLOCKS_PER_GROUP
(
sb
)
+
entry
->
start_blk
+
le32_to_cpu
(
EXT4_SB
(
sb
)
->
s_es
->
s_first_data_block
);
trace_mark
(
ext4_discard_blocks
,
"dev %s blk %llu count %u"
,
sb
->
s_id
,
(
unsigned
long
long
)
discard_block
,
entry
->
count
);
trace_mark
(
ext4_discard_blocks
,
"dev %s blk %llu count %u"
,
sb
->
s_id
,
(
unsigned
long
long
)
discard_block
,
entry
->
count
);
sb_issue_discard
(
sb
,
discard_block
,
entry
->
count
);
kmem_cache_free
(
ext4_free_ext_cachep
,
entry
);
...
...
@@ -3697,6 +3698,10 @@ ext4_mb_new_inode_pa(struct ext4_allocation_context *ac)
mb_debug
(
"new inode pa %p: %llu/%u for %u
\n
"
,
pa
,
pa
->
pa_pstart
,
pa
->
pa_len
,
pa
->
pa_lstart
);
trace_mark
(
ext4_mb_new_inode_pa
,
"dev %s ino %lu pstart %llu len %u lstart %u"
,
sb
->
s_id
,
ac
->
ac_inode
->
i_ino
,
pa
->
pa_pstart
,
pa
->
pa_len
,
pa
->
pa_lstart
);
ext4_mb_use_inode_pa
(
ac
,
pa
);
atomic_add
(
pa
->
pa_free
,
&
EXT4_SB
(
sb
)
->
s_mb_preallocated
);
...
...
@@ -3754,7 +3759,9 @@ ext4_mb_new_group_pa(struct ext4_allocation_context *ac)
pa
->
pa_linear
=
1
;
mb_debug
(
"new group pa %p: %llu/%u for %u
\n
"
,
pa
,
pa
->
pa_pstart
,
pa
->
pa_len
,
pa
->
pa_lstart
);
pa
->
pa_pstart
,
pa
->
pa_len
,
pa
->
pa_lstart
);
trace_mark
(
ext4_mb_new_group_pa
,
"dev %s pstart %llu len %u lstart %u"
,
sb
->
s_id
,
pa
->
pa_pstart
,
pa
->
pa_len
,
pa
->
pa_lstart
);
ext4_mb_use_group_pa
(
ac
,
pa
);
atomic_add
(
pa
->
pa_free
,
&
EXT4_SB
(
sb
)
->
s_mb_preallocated
);
...
...
@@ -3807,12 +3814,14 @@ ext4_mb_release_inode_pa(struct ext4_buddy *e4b, struct buffer_head *bitmap_bh,
unsigned
int
next
;
ext4_group_t
group
;
ext4_grpblk_t
bit
;
unsigned
long
long
grp_blk_start
;
sector_t
start
;
int
err
=
0
;
int
free
=
0
;
BUG_ON
(
pa
->
pa_deleted
==
0
);
ext4_get_group_no_and_offset
(
sb
,
pa
->
pa_pstart
,
&
group
,
&
bit
);
grp_blk_start
=
pa
->
pa_pstart
-
bit
;
BUG_ON
(
group
!=
e4b
->
bd_group
&&
pa
->
pa_len
!=
0
);
end
=
bit
+
pa
->
pa_len
;
...
...
@@ -3842,6 +3851,10 @@ ext4_mb_release_inode_pa(struct ext4_buddy *e4b, struct buffer_head *bitmap_bh,
ext4_mb_store_history
(
ac
);
}
trace_mark
(
ext4_mb_release_inode_pa
,
"dev %s ino %lu block %llu count %u"
,
sb
->
s_id
,
pa
->
pa_inode
->
i_ino
,
grp_blk_start
+
bit
,
next
-
bit
);
mb_free_blocks
(
pa
->
pa_inode
,
e4b
,
bit
,
next
-
bit
);
bit
=
next
+
1
;
}
...
...
@@ -3875,6 +3888,8 @@ ext4_mb_release_group_pa(struct ext4_buddy *e4b,
if
(
ac
)
ac
->
ac_op
=
EXT4_MB_HISTORY_DISCARD
;
trace_mark
(
ext4_mb_release_group_pa
,
"dev %s pstart %llu len %d"
,
sb
->
s_id
,
pa
->
pa_pstart
,
pa
->
pa_len
);
BUG_ON
(
pa
->
pa_deleted
==
0
);
ext4_get_group_no_and_offset
(
sb
,
pa
->
pa_pstart
,
&
group
,
&
bit
);
BUG_ON
(
group
!=
e4b
->
bd_group
&&
pa
->
pa_len
!=
0
);
...
...
@@ -4040,6 +4055,8 @@ void ext4_discard_preallocations(struct inode *inode)
}
mb_debug
(
"discard preallocation for inode %lu
\n
"
,
inode
->
i_ino
);
trace_mark
(
ext4_discard_preallocations
,
"dev %s ino %lu"
,
sb
->
s_id
,
inode
->
i_ino
);
INIT_LIST_HEAD
(
&
list
);
...
...
@@ -4492,6 +4509,8 @@ static int ext4_mb_discard_preallocations(struct super_block *sb, int needed)
int
ret
;
int
freed
=
0
;
trace_mark
(
ext4_mb_discard_preallocations
,
"dev %s needed %d"
,
sb
->
s_id
,
needed
);
for
(
i
=
0
;
i
<
EXT4_SB
(
sb
)
->
s_groups_count
&&
needed
>
0
;
i
++
)
{
ret
=
ext4_mb_discard_group_preallocations
(
sb
,
i
,
needed
);
freed
+=
ret
;
...
...
@@ -4520,6 +4539,18 @@ ext4_fsblk_t ext4_mb_new_blocks(handle_t *handle,
sb
=
ar
->
inode
->
i_sb
;
sbi
=
EXT4_SB
(
sb
);
trace_mark
(
ext4_request_blocks
,
"dev %s flags %u len %u ino %lu "
"lblk %llu goal %llu lleft %llu lright %llu "
"pleft %llu pright %llu "
,
sb
->
s_id
,
ar
->
flags
,
ar
->
len
,
ar
->
inode
?
ar
->
inode
->
i_ino
:
0
,
(
unsigned
long
long
)
ar
->
logical
,
(
unsigned
long
long
)
ar
->
goal
,
(
unsigned
long
long
)
ar
->
lleft
,
(
unsigned
long
long
)
ar
->
lright
,
(
unsigned
long
long
)
ar
->
pleft
,
(
unsigned
long
long
)
ar
->
pright
);
if
(
!
EXT4_I
(
ar
->
inode
)
->
i_delalloc_reserved_flag
)
{
/*
* With delalloc we already reserved the blocks
...
...
@@ -4622,6 +4653,19 @@ out3:
reserv_blks
);
}
trace_mark
(
ext4_allocate_blocks
,
"dev %s block %llu flags %u len %u ino %lu "
"logical %llu goal %llu lleft %llu lright %llu "
"pleft %llu pright %llu "
,
sb
->
s_id
,
(
unsigned
long
long
)
block
,
ar
->
flags
,
ar
->
len
,
ar
->
inode
?
ar
->
inode
->
i_ino
:
0
,
(
unsigned
long
long
)
ar
->
logical
,
(
unsigned
long
long
)
ar
->
goal
,
(
unsigned
long
long
)
ar
->
lleft
,
(
unsigned
long
long
)
ar
->
lright
,
(
unsigned
long
long
)
ar
->
pleft
,
(
unsigned
long
long
)
ar
->
pright
);
return
block
;
}
...
...
@@ -4755,6 +4799,10 @@ void ext4_mb_free_blocks(handle_t *handle, struct inode *inode,
}
ext4_debug
(
"freeing block %lu
\n
"
,
block
);
trace_mark
(
ext4_free_blocks
,
"dev %s block %llu count %lu metadata %d ino %lu"
,
sb
->
s_id
,
(
unsigned
long
long
)
block
,
count
,
metadata
,
inode
?
inode
->
i_ino
:
0
);
ac
=
kmem_cache_alloc
(
ext4_ac_cachep
,
GFP_NOFS
);
if
(
ac
)
{
...
...
编辑
预览
Markdown
is supported
0%
请重试
或
添加新附件
.
添加附件
取消
You are about to add
0
people
to the discussion. Proceed with caution.
先完成此消息的编辑!
取消
想要评论请
注册
或
登录