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-rw-r--r--include/linux/fs.h24
1 files changed, 15 insertions, 9 deletions
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 6022f44043f2..92734c0012e6 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -54,24 +54,30 @@ struct inodes_stat_t {
54#define MAY_ACCESS 16 54#define MAY_ACCESS 16
55#define MAY_OPEN 32 55#define MAY_OPEN 32
56 56
57/*
58 * flags in file.f_mode. Note that FMODE_READ and FMODE_WRITE must correspond
59 * to O_WRONLY and O_RDWR via the strange trick in __dentry_open()
60 */
61
57/* file is open for reading */ 62/* file is open for reading */
58#define FMODE_READ ((__force fmode_t)1) 63#define FMODE_READ ((__force fmode_t)1)
59/* file is open for writing */ 64/* file is open for writing */
60#define FMODE_WRITE ((__force fmode_t)2) 65#define FMODE_WRITE ((__force fmode_t)2)
61/* file is seekable */ 66/* file is seekable */
62#define FMODE_LSEEK ((__force fmode_t)4) 67#define FMODE_LSEEK ((__force fmode_t)4)
63/* file can be accessed using pread/pwrite */ 68/* file can be accessed using pread */
64#define FMODE_PREAD ((__force fmode_t)8) 69#define FMODE_PREAD ((__force fmode_t)8)
65#define FMODE_PWRITE FMODE_PREAD /* These go hand in hand */ 70/* file can be accessed using pwrite */
71#define FMODE_PWRITE ((__force fmode_t)16)
66/* File is opened for execution with sys_execve / sys_uselib */ 72/* File is opened for execution with sys_execve / sys_uselib */
67#define FMODE_EXEC ((__force fmode_t)16) 73#define FMODE_EXEC ((__force fmode_t)32)
68/* File is opened with O_NDELAY (only set for block devices) */ 74/* File is opened with O_NDELAY (only set for block devices) */
69#define FMODE_NDELAY ((__force fmode_t)32) 75#define FMODE_NDELAY ((__force fmode_t)64)
70/* File is opened with O_EXCL (only set for block devices) */ 76/* File is opened with O_EXCL (only set for block devices) */
71#define FMODE_EXCL ((__force fmode_t)64) 77#define FMODE_EXCL ((__force fmode_t)128)
72/* File is opened using open(.., 3, ..) and is writeable only for ioctls 78/* File is opened using open(.., 3, ..) and is writeable only for ioctls
73 (specialy hack for floppy.c) */ 79 (specialy hack for floppy.c) */
74#define FMODE_WRITE_IOCTL ((__force fmode_t)128) 80#define FMODE_WRITE_IOCTL ((__force fmode_t)256)
75 81
76/* 82/*
77 * Don't update ctime and mtime. 83 * Don't update ctime and mtime.
@@ -87,10 +93,10 @@ struct inodes_stat_t {
87#define WRITE 1 93#define WRITE 1
88#define READA 2 /* read-ahead - don't block if no resources */ 94#define READA 2 /* read-ahead - don't block if no resources */
89#define SWRITE 3 /* for ll_rw_block() - wait for buffer lock */ 95#define SWRITE 3 /* for ll_rw_block() - wait for buffer lock */
90#define READ_SYNC (READ | (1 << BIO_RW_SYNC)) 96#define READ_SYNC (READ | (1 << BIO_RW_SYNCIO) | (1 << BIO_RW_UNPLUG))
91#define READ_META (READ | (1 << BIO_RW_META)) 97#define READ_META (READ | (1 << BIO_RW_META))
92#define WRITE_SYNC (WRITE | (1 << BIO_RW_SYNC)) 98#define WRITE_SYNC (WRITE | (1 << BIO_RW_SYNCIO) | (1 << BIO_RW_UNPLUG))
93#define SWRITE_SYNC (SWRITE | (1 << BIO_RW_SYNC)) 99#define SWRITE_SYNC (SWRITE | (1 << BIO_RW_SYNCIO) | (1 << BIO_RW_UNPLUG))
94#define WRITE_BARRIER (WRITE | (1 << BIO_RW_BARRIER)) 100#define WRITE_BARRIER (WRITE | (1 << BIO_RW_BARRIER))
95#define DISCARD_NOBARRIER (1 << BIO_RW_DISCARD) 101#define DISCARD_NOBARRIER (1 << BIO_RW_DISCARD)
96#define DISCARD_BARRIER ((1 << BIO_RW_DISCARD) | (1 << BIO_RW_BARRIER)) 102#define DISCARD_BARRIER ((1 << BIO_RW_DISCARD) | (1 << BIO_RW_BARRIER))