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09208d15
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体验新版 GitCode,发现更多精彩内容 >>
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09208d15
编写于
7月 26, 2011
作者:
A
Al Viro
浏览文件
操作
浏览文件
下载
电子邮件补丁
差异文件
shmem, ramfs: propagate umode_t, open-coded S_ISREG
Signed-off-by:
N
Al Viro
<
viro@zeniv.linux.org.uk
>
上级
88176446
变更
2
隐藏空白更改
内联
并排
Showing
2 changed file
with
4 addition
and
4 deletion
+4
-4
include/linux/shmem_fs.h
include/linux/shmem_fs.h
+1
-1
mm/shmem.c
mm/shmem.c
+3
-3
未找到文件。
include/linux/shmem_fs.h
浏览文件 @
09208d15
...
@@ -30,7 +30,7 @@ struct shmem_sb_info {
...
@@ -30,7 +30,7 @@ struct shmem_sb_info {
spinlock_t
stat_lock
;
/* Serialize shmem_sb_info changes */
spinlock_t
stat_lock
;
/* Serialize shmem_sb_info changes */
uid_t
uid
;
/* Mount uid for root directory */
uid_t
uid
;
/* Mount uid for root directory */
gid_t
gid
;
/* Mount gid for root directory */
gid_t
gid
;
/* Mount gid for root directory */
mode_t
mode
;
/* Mount mode for root directory */
u
mode_t
mode
;
/* Mount mode for root directory */
struct
mempolicy
*
mpol
;
/* default memory policy for mappings */
struct
mempolicy
*
mpol
;
/* default memory policy for mappings */
};
};
...
...
mm/shmem.c
浏览文件 @
09208d15
...
@@ -1092,7 +1092,7 @@ static int shmem_mmap(struct file *file, struct vm_area_struct *vma)
...
@@ -1092,7 +1092,7 @@ static int shmem_mmap(struct file *file, struct vm_area_struct *vma)
}
}
static
struct
inode
*
shmem_get_inode
(
struct
super_block
*
sb
,
const
struct
inode
*
dir
,
static
struct
inode
*
shmem_get_inode
(
struct
super_block
*
sb
,
const
struct
inode
*
dir
,
in
t
mode
,
dev_t
dev
,
unsigned
long
flags
)
umode_
t
mode
,
dev_t
dev
,
unsigned
long
flags
)
{
{
struct
inode
*
inode
;
struct
inode
*
inode
;
struct
shmem_inode_info
*
info
;
struct
shmem_inode_info
*
info
;
...
@@ -2128,7 +2128,7 @@ static int shmem_show_options(struct seq_file *seq, struct vfsmount *vfs)
...
@@ -2128,7 +2128,7 @@ static int shmem_show_options(struct seq_file *seq, struct vfsmount *vfs)
if
(
sbinfo
->
max_inodes
!=
shmem_default_max_inodes
())
if
(
sbinfo
->
max_inodes
!=
shmem_default_max_inodes
())
seq_printf
(
seq
,
",nr_inodes=%lu"
,
sbinfo
->
max_inodes
);
seq_printf
(
seq
,
",nr_inodes=%lu"
,
sbinfo
->
max_inodes
);
if
(
sbinfo
->
mode
!=
(
S_IRWXUGO
|
S_ISVTX
))
if
(
sbinfo
->
mode
!=
(
S_IRWXUGO
|
S_ISVTX
))
seq_printf
(
seq
,
",mode=%03o"
,
sbinfo
->
mode
);
seq_printf
(
seq
,
",mode=%03
h
o"
,
sbinfo
->
mode
);
if
(
sbinfo
->
uid
!=
0
)
if
(
sbinfo
->
uid
!=
0
)
seq_printf
(
seq
,
",uid=%u"
,
sbinfo
->
uid
);
seq_printf
(
seq
,
",uid=%u"
,
sbinfo
->
uid
);
if
(
sbinfo
->
gid
!=
0
)
if
(
sbinfo
->
gid
!=
0
)
...
@@ -2239,7 +2239,7 @@ static void shmem_destroy_callback(struct rcu_head *head)
...
@@ -2239,7 +2239,7 @@ static void shmem_destroy_callback(struct rcu_head *head)
static
void
shmem_destroy_inode
(
struct
inode
*
inode
)
static
void
shmem_destroy_inode
(
struct
inode
*
inode
)
{
{
if
(
(
inode
->
i_mode
&
S_IFMT
)
==
S_IFREG
)
if
(
S_ISREG
(
inode
->
i_mode
)
)
mpol_free_shared_policy
(
&
SHMEM_I
(
inode
)
->
policy
);
mpol_free_shared_policy
(
&
SHMEM_I
(
inode
)
->
policy
);
call_rcu
(
&
inode
->
i_rcu
,
shmem_destroy_callback
);
call_rcu
(
&
inode
->
i_rcu
,
shmem_destroy_callback
);
}
}
...
...
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