X-Git-Url: http://ftp.safe.ca/?a=blobdiff_plain;f=include%2Flinux%2Fmsdos_fs.h;h=81cd36b735b0de3677f76b116d047a1089166bdf;hb=2dbe06faf37b39f9ecffc054dd173b2a1dc2adcd;hp=d9035c73e5d1206e8ca798bdbec05fe4845bb287;hpb=4b6f5d20b04dcbc3d888555522b90ba6d36c4106;p=safe%2Fjmp%2Flinux-2.6

diff --git a/include/linux/msdos_fs.h b/include/linux/msdos_fs.h
index d9035c7..81cd36b 100644
--- a/include/linux/msdos_fs.h
+++ b/include/linux/msdos_fs.h
@@ -1,6 +1,8 @@
 #ifndef _LINUX_MSDOS_FS_H
 #define _LINUX_MSDOS_FS_H
 
+#include <linux/magic.h>
+
 /*
  * The MS-DOS filesystem constants/structures
  */
@@ -18,8 +20,6 @@
 #define CT_LE_L(v)	cpu_to_le32(v)
 
 
-#define MSDOS_SUPER_MAGIC 0x4d44 /* MD */
-
 #define MSDOS_ROOT_INO	1	/* == MINIX_ROOT_INO */
 #define MSDOS_DIR_BITS	5	/* log2(sizeof(struct msdos_dir_entry)) */
 
@@ -57,8 +57,6 @@
 #define MSDOS_DOT	".          "	/* ".", padded to MSDOS_NAME chars */
 #define MSDOS_DOTDOT	"..         "	/* "..", padded to MSDOS_NAME chars */
 
-/* media of boot sector */
-#define FAT_VALID_MEDIA(x)	((0xF8 <= (x) && (x) <= 0xFF) || (x) == 0xF0)
 #define FAT_FIRST_ENT(s, x)	((MSDOS_SB(s)->fat_bits == 32 ? 0x0FFFFF00 : \
 	MSDOS_SB(s)->fat_bits == 16 ? 0xFF00 : 0xF00) | (x))
 
@@ -146,7 +144,7 @@ struct fat_boot_fsinfo {
 };
 
 struct msdos_dir_entry {
-	__u8	name[8],ext[3];	/* name and extension */
+	__u8	name[MSDOS_NAME];/* name and extension */
 	__u8	attr;		/* attribute bits */
 	__u8    lcase;		/* Case for base and extension */
 	__u8	ctime_cs;	/* Creation time, centiseconds (0-199) */
@@ -195,6 +193,7 @@ struct fat_mount_options {
 	char *iocharset;          /* Charset used for filename input/display */
 	unsigned short shortname; /* flags for shortname display/create rule */
 	unsigned char name_check; /* r = relaxed, n = normal, s = strict */
+	unsigned short allow_utime;/* permission for setting the [am]time */
 	unsigned quiet:1,         /* set = fake successful chmods and chowns */
 		 showexec:1,      /* set = only set x bit for com/exe/bat */
 		 sys_immutable:1, /* set = system files are immutable */
@@ -204,7 +203,9 @@ struct fat_mount_options {
 		 unicode_xlate:1, /* create escape sequences for unhandled Unicode */
 		 numtail:1,       /* Does first alias have a numeric '~1' type tail? */
 		 atari:1,         /* Use Atari GEMDOS variation of MS-DOS fs */
-		 nocase:1;	  /* Does this need case conversion? 0=need case conversion*/
+		 flush:1,	  /* write things quickly */
+		 nocase:1,	  /* Does this need case conversion? 0=need case conversion*/
+		 usefree:1;	  /* Use free_clusters for FAT32 */
 };
 
 #define FAT_HASH_BITS	8
@@ -230,10 +231,11 @@ struct msdos_sb_info {
 	struct mutex fat_lock;
 	unsigned int prev_free;      /* previously allocated cluster number */
 	unsigned int free_clusters;  /* -1 if undefined */
+	unsigned int free_clus_valid; /* is free_clusters valid? */
 	struct fat_mount_options options;
 	struct nls_table *nls_disk;  /* Codepage used on disk */
 	struct nls_table *nls_io;    /* Charset used for input and display */
-	void *dir_ops;		     /* Opaque; default directory operations */
+	const void *dir_ops;		     /* Opaque; default directory operations */
 	int dir_per_block;	     /* dir entries per block */
 	int dir_per_block_bits;	     /* log2(dir_per_block) */
 
@@ -326,6 +328,12 @@ static inline void fatwchar_to16(__u8 *dst, const wchar_t *src, size_t len)
 #endif
 }
 
+/* media of boot sector */
+static inline int fat_valid_media(u8 media)
+{
+	return 0xf8 <= media || media == 0xf0;
+}
+
 /* fat/cache.c */
 extern void fat_cache_inval_inode(struct inode *inode);
 extern int fat_get_cluster(struct inode *inode, int cluster,
@@ -398,9 +406,11 @@ extern int fat_count_free_clusters(struct super_block *sb);
 extern int fat_generic_ioctl(struct inode *inode, struct file *filp,
 			     unsigned int cmd, unsigned long arg);
 extern const struct file_operations fat_file_operations;
-extern struct inode_operations fat_file_inode_operations;
-extern int fat_notify_change(struct dentry * dentry, struct iattr * attr);
+extern const struct inode_operations fat_file_inode_operations;
+extern int fat_setattr(struct dentry * dentry, struct iattr * attr);
 extern void fat_truncate(struct inode *inode);
+extern int fat_getattr(struct vfsmount *mnt, struct dentry *dentry,
+		       struct kstat *stat);
 
 /* fat/inode.c */
 extern void fat_attach(struct inode *inode, loff_t i_pos);
@@ -410,8 +420,10 @@ extern struct inode *fat_build_inode(struct super_block *sb,
 			struct msdos_dir_entry *de, loff_t i_pos);
 extern int fat_sync_inode(struct inode *inode);
 extern int fat_fill_super(struct super_block *sb, void *data, int silent,
-			struct inode_operations *fs_dir_inode_ops, int isvfat);
+			const struct inode_operations *fs_dir_inode_ops, int isvfat);
 
+extern int fat_flush_inodes(struct super_block *sb, struct inode *i1,
+		            struct inode *i2);
 /* fat/misc.c */
 extern void fat_fs_panic(struct super_block *s, const char *fmt, ...);
 extern void fat_clusters_flush(struct super_block *sb);