#ifndef _LINUX_FS_H
#define _LINUX_FS_H
-/*
- * This file has definitions for some important file table
- * structures etc.
- */
-#include <linux/limits.h>
-#include <linux/ioctl.h>
+#include <linux/linkage.h>
+#include <linux/wait.h>
+#include <linux/kdev_t.h>
+#include <linux/dcache.h>
+#include <linux/path.h>
+#include <linux/stat.h>
+#include <linux/cache.h>
+#include <linux/list.h>
+#include <linux/radix-tree.h>
+#include <linux/rbtree.h>
+#include <linux/init.h>
+#include <linux/pid.h>
+#include <linux/bug.h>
+#include <linux/mutex.h>
+#include <linux/capability.h>
+#include <linux/semaphore.h>
+#include <linux/fiemap.h>
+#include <linux/rculist_bl.h>
+#include <linux/atomic.h>
+#include <linux/shrinker.h>
+#include <linux/migrate_mode.h>
+#include <linux/uidgid.h>
+#include <linux/lockdep.h>
+#include <linux/percpu-rwsem.h>
#include <linux/blk_types.h>
-#include <linux/types.h>
-
-/*
- * It's silly to have NR_OPEN bigger than NR_FILE, but you can change
- * the file limit at runtime and only root can increase the per-process
- * nr_file rlimit, so it's safe to set up a ridiculously high absolute
- * upper limit on files-per-process.
- *
- * Some programs (notably those using select()) may have to be
- * recompiled to take full advantage of the new limits..
- */
-/* Fixed constants first: */
-#undef NR_OPEN
-#define INR_OPEN_CUR 1024 /* Initial setting for nfile rlimits */
-#define INR_OPEN_MAX 4096 /* Hard limit for nfile rlimits */
-
-#define BLOCK_SIZE_BITS 10
-#define BLOCK_SIZE (1<<BLOCK_SIZE_BITS)
-
-#define SEEK_SET 0 /* seek relative to beginning of file */
-#define SEEK_CUR 1 /* seek relative to current file position */
-#define SEEK_END 2 /* seek relative to end of file */
-#define SEEK_DATA 3 /* seek to the next data */
-#define SEEK_HOLE 4 /* seek to the next hole */
-#define SEEK_MAX SEEK_HOLE
-
-struct fstrim_range {
- __u64 start;
- __u64 len;
- __u64 minlen;
-};
+#include <asm/byteorder.h>
+#include <uapi/linux/fs.h>
-/* And dynamically-tunable limits and defaults: */
-struct files_stat_struct {
- unsigned long nr_files; /* read only */
- unsigned long nr_free_files; /* read only */
- unsigned long max_files; /* tunable */
-};
+struct export_operations;
+struct hd_geometry;
+struct iovec;
+struct nameidata;
+struct kiocb;
+struct kobject;
+struct pipe_inode_info;
+struct poll_table_struct;
+struct kstatfs;
+struct vm_area_struct;
+struct vfsmount;
+struct cred;
+struct swap_info_struct;
-struct inodes_stat_t {
- int nr_inodes;
- int nr_unused;
- int dummy[5]; /* padding for sysctl ABI compatibility */
-};
+extern void __init inode_init(void);
+extern void __init inode_init_early(void);
+extern void __init files_init(unsigned long);
+extern struct files_stat_struct files_stat;
+extern unsigned long get_max_files(void);
+extern int sysctl_nr_open;
+extern struct inodes_stat_t inodes_stat;
+extern int leases_enable, lease_break_time;
+extern int sysctl_protected_symlinks;
+extern int sysctl_protected_hardlinks;
-#define NR_FILE 8192 /* this can well be larger on a larger system */
+struct buffer_head;
+typedef int (get_block_t)(struct inode *inode, sector_t iblock,
+ struct buffer_head *bh_result, int create);
+typedef void (dio_iodone_t)(struct kiocb *iocb, loff_t offset,
+ ssize_t bytes, void *private, int ret,
+ bool is_async);
#define MAY_EXEC 0x00000001
#define MAY_WRITE 0x00000002
/* File was opened by fanotify and shouldn't generate fanotify events */
#define FMODE_NONOTIFY ((__force fmode_t)0x1000000)
+/*
+ * Flag for rw_copy_check_uvector and compat_rw_copy_check_uvector
+ * that indicates that they should check the contents of the iovec are
+ * valid, but not check the memory that the iovec elements
+ * points too.
+ */
+#define CHECK_IOVEC_ONLY -1
+
/*
* The below are the various read and write types that we support. Some of
* them include behavioral modifiers that send information down to the
#define WRITE_FUA (WRITE | REQ_SYNC | REQ_NOIDLE | REQ_FUA)
#define WRITE_FLUSH_FUA (WRITE | REQ_SYNC | REQ_NOIDLE | REQ_FLUSH | REQ_FUA)
-
-/*
- * Flag for rw_copy_check_uvector and compat_rw_copy_check_uvector
- * that indicates that they should check the contents of the iovec are
- * valid, but not check the memory that the iovec elements
- * points too.
- */
-#define CHECK_IOVEC_ONLY -1
-
-#define SEL_IN 1
-#define SEL_OUT 2
-#define SEL_EX 4
-
-/* public flags for file_system_type */
-#define FS_REQUIRES_DEV 1
-#define FS_BINARY_MOUNTDATA 2
-#define FS_HAS_SUBTYPE 4
-#define FS_REVAL_DOT 16384 /* Check the paths ".", ".." for staleness */
-#define FS_RENAME_DOES_D_MOVE 32768 /* FS will handle d_move()
- * during rename() internally.
- */
-
-/*
- * These are the fs-independent mount-flags: up to 32 flags are supported
- */
-#define MS_RDONLY 1 /* Mount read-only */
-#define MS_NOSUID 2 /* Ignore suid and sgid bits */
-#define MS_NODEV 4 /* Disallow access to device special files */
-#define MS_NOEXEC 8 /* Disallow program execution */
-#define MS_SYNCHRONOUS 16 /* Writes are synced at once */
-#define MS_REMOUNT 32 /* Alter flags of a mounted FS */
-#define MS_MANDLOCK 64 /* Allow mandatory locks on an FS */
-#define MS_DIRSYNC 128 /* Directory modifications are synchronous */
-#define MS_NOATIME 1024 /* Do not update access times. */
-#define MS_NODIRATIME 2048 /* Do not update directory access times */
-#define MS_BIND 4096
-#define MS_MOVE 8192
-#define MS_REC 16384
-#define MS_VERBOSE 32768 /* War is peace. Verbosity is silence.
- MS_VERBOSE is deprecated. */
-#define MS_SILENT 32768
-#define MS_POSIXACL (1<<16) /* VFS does not apply the umask */
-#define MS_UNBINDABLE (1<<17) /* change to unbindable */
-#define MS_PRIVATE (1<<18) /* change to private */
-#define MS_SLAVE (1<<19) /* change to slave */
-#define MS_SHARED (1<<20) /* change to shared */
-#define MS_RELATIME (1<<21) /* Update atime relative to mtime/ctime. */
-#define MS_KERNMOUNT (1<<22) /* this is a kern_mount call */
-#define MS_I_VERSION (1<<23) /* Update inode I_version field */
-#define MS_STRICTATIME (1<<24) /* Always perform atime updates */
-#define MS_NOSEC (1<<28)
-#define MS_BORN (1<<29)
-#define MS_ACTIVE (1<<30)
-#define MS_NOUSER (1<<31)
-
-/*
- * Superblock flags that can be altered by MS_REMOUNT
- */
-#define MS_RMT_MASK (MS_RDONLY|MS_SYNCHRONOUS|MS_MANDLOCK|MS_I_VERSION)
-
-/*
- * Old magic mount flag and mask
- */
-#define MS_MGC_VAL 0xC0ED0000
-#define MS_MGC_MSK 0xffff0000
-
-/* Inode flags - they have nothing to superblock flags now */
-
-#define S_SYNC 1 /* Writes are synced at once */
-#define S_NOATIME 2 /* Do not update access times */
-#define S_APPEND 4 /* Append-only file */
-#define S_IMMUTABLE 8 /* Immutable file */
-#define S_DEAD 16 /* removed, but still open directory */
-#define S_NOQUOTA 32 /* Inode is not counted to quota */
-#define S_DIRSYNC 64 /* Directory modifications are synchronous */
-#define S_NOCMTIME 128 /* Do not update file c/mtime */
-#define S_SWAPFILE 256 /* Do not truncate: swapon got its bmaps */
-#define S_PRIVATE 512 /* Inode is fs-internal */
-#define S_IMA 1024 /* Inode has an associated IMA struct */
-#define S_AUTOMOUNT 2048 /* Automount/referral quasi-directory */
-#define S_NOSEC 4096 /* no suid or xattr security attributes */
-
-/*
- * Note that nosuid etc flags are inode-specific: setting some file-system
- * flags just means all the inodes inherit those flags by default. It might be
- * possible to override it selectively if you really wanted to with some
- * ioctl() that is not currently implemented.
- *
- * Exception: MS_RDONLY is always applied to the entire file system.
- *
- * Unfortunately, it is possible to change a filesystems flags with it mounted
- * with files in use. This means that all of the inodes will not have their
- * i_flags updated. Hence, i_flags no longer inherit the superblock mount
- * flags, so these have to be checked separately. -- rmk@arm.uk.linux.org
- */
-#define __IS_FLG(inode,flg) ((inode)->i_sb->s_flags & (flg))
-
-#define IS_RDONLY(inode) ((inode)->i_sb->s_flags & MS_RDONLY)
-#define IS_SYNC(inode) (__IS_FLG(inode, MS_SYNCHRONOUS) || \
- ((inode)->i_flags & S_SYNC))
-#define IS_DIRSYNC(inode) (__IS_FLG(inode, MS_SYNCHRONOUS|MS_DIRSYNC) || \
- ((inode)->i_flags & (S_SYNC|S_DIRSYNC)))
-#define IS_MANDLOCK(inode) __IS_FLG(inode, MS_MANDLOCK)
-#define IS_NOATIME(inode) __IS_FLG(inode, MS_RDONLY|MS_NOATIME)
-#define IS_I_VERSION(inode) __IS_FLG(inode, MS_I_VERSION)
-
-#define IS_NOQUOTA(inode) ((inode)->i_flags & S_NOQUOTA)
-#define IS_APPEND(inode) ((inode)->i_flags & S_APPEND)
-#define IS_IMMUTABLE(inode) ((inode)->i_flags & S_IMMUTABLE)
-#define IS_POSIXACL(inode) __IS_FLG(inode, MS_POSIXACL)
-
-#define IS_DEADDIR(inode) ((inode)->i_flags & S_DEAD)
-#define IS_NOCMTIME(inode) ((inode)->i_flags & S_NOCMTIME)
-#define IS_SWAPFILE(inode) ((inode)->i_flags & S_SWAPFILE)
-#define IS_PRIVATE(inode) ((inode)->i_flags & S_PRIVATE)
-#define IS_IMA(inode) ((inode)->i_flags & S_IMA)
-#define IS_AUTOMOUNT(inode) ((inode)->i_flags & S_AUTOMOUNT)
-#define IS_NOSEC(inode) ((inode)->i_flags & S_NOSEC)
-
-/* the read-only stuff doesn't really belong here, but any other place is
- probably as bad and I don't want to create yet another include file. */
-
-#define BLKROSET _IO(0x12,93) /* set device read-only (0 = read-write) */
-#define BLKROGET _IO(0x12,94) /* get read-only status (0 = read_write) */
-#define BLKRRPART _IO(0x12,95) /* re-read partition table */
-#define BLKGETSIZE _IO(0x12,96) /* return device size /512 (long *arg) */
-#define BLKFLSBUF _IO(0x12,97) /* flush buffer cache */
-#define BLKRASET _IO(0x12,98) /* set read ahead for block device */
-#define BLKRAGET _IO(0x12,99) /* get current read ahead setting */
-#define BLKFRASET _IO(0x12,100)/* set filesystem (mm/filemap.c) read-ahead */
-#define BLKFRAGET _IO(0x12,101)/* get filesystem (mm/filemap.c) read-ahead */
-#define BLKSECTSET _IO(0x12,102)/* set max sectors per request (ll_rw_blk.c) */
-#define BLKSECTGET _IO(0x12,103)/* get max sectors per request (ll_rw_blk.c) */
-#define BLKSSZGET _IO(0x12,104)/* get block device sector size */
-#if 0
-#define BLKPG _IO(0x12,105)/* See blkpg.h */
-
-/* Some people are morons. Do not use sizeof! */
-
-#define BLKELVGET _IOR(0x12,106,size_t)/* elevator get */
-#define BLKELVSET _IOW(0x12,107,size_t)/* elevator set */
-/* This was here just to show that the number is taken -
- probably all these _IO(0x12,*) ioctls should be moved to blkpg.h. */
-#endif
-/* A jump here: 108-111 have been used for various private purposes. */
-#define BLKBSZGET _IOR(0x12,112,size_t)
-#define BLKBSZSET _IOW(0x12,113,size_t)
-#define BLKGETSIZE64 _IOR(0x12,114,size_t) /* return device size in bytes (u64 *arg) */
-#define BLKTRACESETUP _IOWR(0x12,115,struct blk_user_trace_setup)
-#define BLKTRACESTART _IO(0x12,116)
-#define BLKTRACESTOP _IO(0x12,117)
-#define BLKTRACETEARDOWN _IO(0x12,118)
-#define BLKDISCARD _IO(0x12,119)
-#define BLKIOMIN _IO(0x12,120)
-#define BLKIOOPT _IO(0x12,121)
-#define BLKALIGNOFF _IO(0x12,122)
-#define BLKPBSZGET _IO(0x12,123)
-#define BLKDISCARDZEROES _IO(0x12,124)
-#define BLKSECDISCARD _IO(0x12,125)
-#define BLKROTATIONAL _IO(0x12,126)
-#define BLKZEROOUT _IO(0x12,127)
-
-#define BMAP_IOCTL 1 /* obsolete - kept for compatibility */
-#define FIBMAP _IO(0x00,1) /* bmap access */
-#define FIGETBSZ _IO(0x00,2) /* get the block size used for bmap */
-#define FIFREEZE _IOWR('X', 119, int) /* Freeze */
-#define FITHAW _IOWR('X', 120, int) /* Thaw */
-#define FITRIM _IOWR('X', 121, struct fstrim_range) /* Trim */
-
-#define FS_IOC_GETFLAGS _IOR('f', 1, long)
-#define FS_IOC_SETFLAGS _IOW('f', 2, long)
-#define FS_IOC_GETVERSION _IOR('v', 1, long)
-#define FS_IOC_SETVERSION _IOW('v', 2, long)
-#define FS_IOC_FIEMAP _IOWR('f', 11, struct fiemap)
-#define FS_IOC32_GETFLAGS _IOR('f', 1, int)
-#define FS_IOC32_SETFLAGS _IOW('f', 2, int)
-#define FS_IOC32_GETVERSION _IOR('v', 1, int)
-#define FS_IOC32_SETVERSION _IOW('v', 2, int)
-
-/*
- * Inode flags (FS_IOC_GETFLAGS / FS_IOC_SETFLAGS)
- */
-#define FS_SECRM_FL 0x00000001 /* Secure deletion */
-#define FS_UNRM_FL 0x00000002 /* Undelete */
-#define FS_COMPR_FL 0x00000004 /* Compress file */
-#define FS_SYNC_FL 0x00000008 /* Synchronous updates */
-#define FS_IMMUTABLE_FL 0x00000010 /* Immutable file */
-#define FS_APPEND_FL 0x00000020 /* writes to file may only append */
-#define FS_NODUMP_FL 0x00000040 /* do not dump file */
-#define FS_NOATIME_FL 0x00000080 /* do not update atime */
-/* Reserved for compression usage... */
-#define FS_DIRTY_FL 0x00000100
-#define FS_COMPRBLK_FL 0x00000200 /* One or more compressed clusters */
-#define FS_NOCOMP_FL 0x00000400 /* Don't compress */
-#define FS_ECOMPR_FL 0x00000800 /* Compression error */
-/* End compression flags --- maybe not all used */
-#define FS_BTREE_FL 0x00001000 /* btree format dir */
-#define FS_INDEX_FL 0x00001000 /* hash-indexed directory */
-#define FS_IMAGIC_FL 0x00002000 /* AFS directory */
-#define FS_JOURNAL_DATA_FL 0x00004000 /* Reserved for ext3 */
-#define FS_NOTAIL_FL 0x00008000 /* file tail should not be merged */
-#define FS_DIRSYNC_FL 0x00010000 /* dirsync behaviour (directories only) */
-#define FS_TOPDIR_FL 0x00020000 /* Top of directory hierarchies*/
-#define FS_EXTENT_FL 0x00080000 /* Extents */
-#define FS_DIRECTIO_FL 0x00100000 /* Use direct i/o */
-#define FS_NOCOW_FL 0x00800000 /* Do not cow file */
-#define FS_RESERVED_FL 0x80000000 /* reserved for ext2 lib */
-
-#define FS_FL_USER_VISIBLE 0x0003DFFF /* User visible flags */
-#define FS_FL_USER_MODIFIABLE 0x000380FF /* User modifiable flags */
-
-
-#define SYNC_FILE_RANGE_WAIT_BEFORE 1
-#define SYNC_FILE_RANGE_WRITE 2
-#define SYNC_FILE_RANGE_WAIT_AFTER 4
-
-#ifdef __KERNEL__
-
-#include <linux/linkage.h>
-#include <linux/wait.h>
-#include <linux/kdev_t.h>
-#include <linux/dcache.h>
-#include <linux/path.h>
-#include <linux/stat.h>
-#include <linux/cache.h>
-#include <linux/list.h>
-#include <linux/radix-tree.h>
-#include <linux/rbtree.h>
-#include <linux/init.h>
-#include <linux/pid.h>
-#include <linux/bug.h>
-#include <linux/mutex.h>
-#include <linux/capability.h>
-#include <linux/semaphore.h>
-#include <linux/fiemap.h>
-#include <linux/rculist_bl.h>
-#include <linux/atomic.h>
-#include <linux/shrinker.h>
-#include <linux/migrate_mode.h>
-#include <linux/uidgid.h>
-#include <linux/lockdep.h>
-#include <linux/percpu-rwsem.h>
-
-#include <asm/byteorder.h>
-
-struct export_operations;
-struct hd_geometry;
-struct iovec;
-struct nameidata;
-struct kiocb;
-struct kobject;
-struct pipe_inode_info;
-struct poll_table_struct;
-struct kstatfs;
-struct vm_area_struct;
-struct vfsmount;
-struct cred;
-struct swap_info_struct;
-
-extern void __init inode_init(void);
-extern void __init inode_init_early(void);
-extern void __init files_init(unsigned long);
-
-extern struct files_stat_struct files_stat;
-extern unsigned long get_max_files(void);
-extern int sysctl_nr_open;
-extern struct inodes_stat_t inodes_stat;
-extern int leases_enable, lease_break_time;
-extern int sysctl_protected_symlinks;
-extern int sysctl_protected_hardlinks;
-
-struct buffer_head;
-typedef int (get_block_t)(struct inode *inode, sector_t iblock,
- struct buffer_head *bh_result, int create);
-typedef void (dio_iodone_t)(struct kiocb *iocb, loff_t offset,
- ssize_t bytes, void *private, int ret,
- bool is_async);
-
/*
* Attribute flags. These should be or-ed together to figure out what
* has been changed!
void (*free_cached_objects)(struct super_block *, int);
};
+/*
+ * Inode flags - they have no relation to superblock flags now
+ */
+#define S_SYNC 1 /* Writes are synced at once */
+#define S_NOATIME 2 /* Do not update access times */
+#define S_APPEND 4 /* Append-only file */
+#define S_IMMUTABLE 8 /* Immutable file */
+#define S_DEAD 16 /* removed, but still open directory */
+#define S_NOQUOTA 32 /* Inode is not counted to quota */
+#define S_DIRSYNC 64 /* Directory modifications are synchronous */
+#define S_NOCMTIME 128 /* Do not update file c/mtime */
+#define S_SWAPFILE 256 /* Do not truncate: swapon got its bmaps */
+#define S_PRIVATE 512 /* Inode is fs-internal */
+#define S_IMA 1024 /* Inode has an associated IMA struct */
+#define S_AUTOMOUNT 2048 /* Automount/referral quasi-directory */
+#define S_NOSEC 4096 /* no suid or xattr security attributes */
+
+/*
+ * Note that nosuid etc flags are inode-specific: setting some file-system
+ * flags just means all the inodes inherit those flags by default. It might be
+ * possible to override it selectively if you really wanted to with some
+ * ioctl() that is not currently implemented.
+ *
+ * Exception: MS_RDONLY is always applied to the entire file system.
+ *
+ * Unfortunately, it is possible to change a filesystems flags with it mounted
+ * with files in use. This means that all of the inodes will not have their
+ * i_flags updated. Hence, i_flags no longer inherit the superblock mount
+ * flags, so these have to be checked separately. -- rmk@arm.uk.linux.org
+ */
+#define __IS_FLG(inode, flg) ((inode)->i_sb->s_flags & (flg))
+
+#define IS_RDONLY(inode) ((inode)->i_sb->s_flags & MS_RDONLY)
+#define IS_SYNC(inode) (__IS_FLG(inode, MS_SYNCHRONOUS) || \
+ ((inode)->i_flags & S_SYNC))
+#define IS_DIRSYNC(inode) (__IS_FLG(inode, MS_SYNCHRONOUS|MS_DIRSYNC) || \
+ ((inode)->i_flags & (S_SYNC|S_DIRSYNC)))
+#define IS_MANDLOCK(inode) __IS_FLG(inode, MS_MANDLOCK)
+#define IS_NOATIME(inode) __IS_FLG(inode, MS_RDONLY|MS_NOATIME)
+#define IS_I_VERSION(inode) __IS_FLG(inode, MS_I_VERSION)
+
+#define IS_NOQUOTA(inode) ((inode)->i_flags & S_NOQUOTA)
+#define IS_APPEND(inode) ((inode)->i_flags & S_APPEND)
+#define IS_IMMUTABLE(inode) ((inode)->i_flags & S_IMMUTABLE)
+#define IS_POSIXACL(inode) __IS_FLG(inode, MS_POSIXACL)
+
+#define IS_DEADDIR(inode) ((inode)->i_flags & S_DEAD)
+#define IS_NOCMTIME(inode) ((inode)->i_flags & S_NOCMTIME)
+#define IS_SWAPFILE(inode) ((inode)->i_flags & S_SWAPFILE)
+#define IS_PRIVATE(inode) ((inode)->i_flags & S_PRIVATE)
+#define IS_IMA(inode) ((inode)->i_flags & S_IMA)
+#define IS_AUTOMOUNT(inode) ((inode)->i_flags & S_AUTOMOUNT)
+#define IS_NOSEC(inode) ((inode)->i_flags & S_NOSEC)
+
/*
* Inode state bits. Protected by inode->i_lock
*
struct file_system_type {
const char *name;
int fs_flags;
+#define FS_REQUIRES_DEV 1
+#define FS_BINARY_MOUNTDATA 2
+#define FS_HAS_SUBTYPE 4
+#define FS_REVAL_DOT 16384 /* Check the paths ".", ".." for staleness */
+#define FS_RENAME_DOES_D_MOVE 32768 /* FS will handle d_move() during rename() internally. */
struct dentry *(*mount) (struct file_system_type *, int,
const char *, void *);
void (*kill_sb) (struct super_block *);
inode->i_flags |= S_NOSEC;
}
-#endif /* __KERNEL__ */
#endif /* _LINUX_FS_H */
projects / GitHub / mt8127 / android_kernel_alcatel_ttab.git / blobdiff