diff options
Diffstat (limited to 'include/linux/fs.h')
| -rw-r--r-- | include/linux/fs.h | 40 |
1 files changed, 17 insertions, 23 deletions
diff --git a/include/linux/fs.h b/include/linux/fs.h index 5b248d61430c..4a853ef6fd35 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -63,23 +63,24 @@ extern int dir_notify_enable; #define MAY_ACCESS 16 #define MAY_OPEN 32 -#define FMODE_READ ((__force fmode_t)1) -#define FMODE_WRITE ((__force fmode_t)2) - -/* Internal kernel extensions */ -#define FMODE_LSEEK ((__force fmode_t)4) -#define FMODE_PREAD ((__force fmode_t)8) -#define FMODE_PWRITE FMODE_PREAD /* These go hand in hand */ - -/* File is being opened for execution. Primary users of this flag are - distributed filesystems that can use it to achieve correct ETXTBUSY - behavior for cross-node execution/opening_for_writing of files */ -#define FMODE_EXEC ((__force fmode_t)16) - -#define FMODE_NDELAY ((__force fmode_t)32) -#define FMODE_EXCL ((__force fmode_t)64) +/* file is open for reading */ +#define FMODE_READ ((__force fmode_t)1) +/* file is open for writing */ +#define FMODE_WRITE ((__force fmode_t)2) +/* file is seekable */ +#define FMODE_LSEEK ((__force fmode_t)4) +/* file can be accessed using pread/pwrite */ +#define FMODE_PREAD ((__force fmode_t)8) +#define FMODE_PWRITE FMODE_PREAD /* These go hand in hand */ +/* File is opened for execution with sys_execve / sys_uselib */ +#define FMODE_EXEC ((__force fmode_t)16) +/* File is opened with O_NDELAY (only set for block devices) */ +#define FMODE_NDELAY ((__force fmode_t)32) +/* File is opened with O_EXCL (only set for block devices) */ +#define FMODE_EXCL ((__force fmode_t)64) +/* File is opened using open(.., 3, ..) and is writeable only for ioctls + (specialy hack for floppy.c) */ #define FMODE_WRITE_IOCTL ((__force fmode_t)128) -#define FMODE_NDELAY_NOW ((__force fmode_t)256) #define RW_MASK 1 #define RWA_MASK 2 @@ -489,13 +490,6 @@ struct address_space_operations { int (*readpages)(struct file *filp, struct address_space *mapping, struct list_head *pages, unsigned nr_pages); - /* - * ext3 requires that a successful prepare_write() call be followed - * by a commit_write() call - they must be balanced - */ - int (*prepare_write)(struct file *, struct page *, unsigned, unsigned); - int (*commit_write)(struct file *, struct page *, unsigned, unsigned); - int (*write_begin)(struct file *, struct address_space *mapping, loff_t pos, unsigned len, unsigned flags, struct page **pagep, void **fsdata); |