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Kirill Smelkov
linux
Commits
ae61518f
Commit
ae61518f
authored
Aug 07, 2004
by
Linus Torvalds
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Add "nonseekable_open()" helper functions for nonseekable
file descriptors.
parent
915a29ec
Changes
2
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2 changed files
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13 additions
and
0 deletions
+13
-0
fs/open.c
fs/open.c
+12
-0
include/linux/fs.h
include/linux/fs.h
+1
-0
No files found.
fs/open.c
View file @
ae61518f
...
@@ -1070,3 +1070,15 @@ int generic_file_open(struct inode * inode, struct file * filp)
...
@@ -1070,3 +1070,15 @@ int generic_file_open(struct inode * inode, struct file * filp)
}
}
EXPORT_SYMBOL
(
generic_file_open
);
EXPORT_SYMBOL
(
generic_file_open
);
/*
* This is used by subsystems that don't want seekable
* file descriptors
*/
int
nonseekable_open
(
struct
inode
*
inode
,
struct
file
*
filp
)
{
filp
->
f_mode
&=
~
(
FMODE_LSEEK
|
FMODE_PREAD
|
FMODE_PWRITE
);
return
0
;
}
EXPORT_SYMBOL
(
nonseekable_open
);
include/linux/fs.h
View file @
ae61518f
...
@@ -1435,6 +1435,7 @@ extern loff_t no_llseek(struct file *file, loff_t offset, int origin);
...
@@ -1435,6 +1435,7 @@ extern loff_t no_llseek(struct file *file, loff_t offset, int origin);
extern
loff_t
generic_file_llseek
(
struct
file
*
file
,
loff_t
offset
,
int
origin
);
extern
loff_t
generic_file_llseek
(
struct
file
*
file
,
loff_t
offset
,
int
origin
);
extern
loff_t
remote_llseek
(
struct
file
*
file
,
loff_t
offset
,
int
origin
);
extern
loff_t
remote_llseek
(
struct
file
*
file
,
loff_t
offset
,
int
origin
);
extern
int
generic_file_open
(
struct
inode
*
inode
,
struct
file
*
filp
);
extern
int
generic_file_open
(
struct
inode
*
inode
,
struct
file
*
filp
);
extern
int
nonseekable_open
(
struct
inode
*
inode
,
struct
file
*
filp
);
static
inline
void
do_generic_file_read
(
struct
file
*
filp
,
loff_t
*
ppos
,
static
inline
void
do_generic_file_read
(
struct
file
*
filp
,
loff_t
*
ppos
,
read_descriptor_t
*
desc
,
read_descriptor_t
*
desc
,
...
...
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