Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / fs / udf / udf_sb.h

diff --git a/kernel/fs/udf/udf_sb.h b/kernel/fs/udf/udf_sb.h
new file mode 100644 (file)
index 0000000..1f32c7b
--- /dev/null
+++ b/kernel/fs/udf/udf_sb.h
@@ -0,0 +1,184 @@
+#ifndef __LINUX_UDF_SB_H
+#define __LINUX_UDF_SB_H
+
+#include <linux/mutex.h>
+#include <linux/bitops.h>
+
+/* Since UDF 2.01 is ISO 13346 based... */
+#define UDF_SUPER_MAGIC                        0x15013346
+
+#define UDF_MAX_READ_VERSION           0x0250
+#define UDF_MAX_WRITE_VERSION          0x0201
+
+#define UDF_FLAG_USE_EXTENDED_FE       0
+#define UDF_VERS_USE_EXTENDED_FE       0x0200
+#define UDF_FLAG_USE_STREAMS           1
+#define UDF_VERS_USE_STREAMS           0x0200
+#define UDF_FLAG_USE_SHORT_AD          2
+#define UDF_FLAG_USE_AD_IN_ICB         3
+#define UDF_FLAG_USE_FILE_CTIME_EA     4
+#define UDF_FLAG_STRICT                        5
+#define UDF_FLAG_UNDELETE              6
+#define UDF_FLAG_UNHIDE                        7
+#define UDF_FLAG_VARCONV               8
+#define UDF_FLAG_NLS_MAP               9
+#define UDF_FLAG_UTF8                  10
+#define UDF_FLAG_UID_FORGET     11    /* save -1 for uid to disk */
+#define UDF_FLAG_UID_IGNORE     12    /* use sb uid instead of on disk uid */
+#define UDF_FLAG_GID_FORGET     13
+#define UDF_FLAG_GID_IGNORE     14
+#define UDF_FLAG_UID_SET       15
+#define UDF_FLAG_GID_SET       16
+#define UDF_FLAG_SESSION_SET   17
+#define UDF_FLAG_LASTBLOCK_SET 18
+#define UDF_FLAG_BLOCKSIZE_SET 19
+
+#define UDF_PART_FLAG_UNALLOC_BITMAP   0x0001
+#define UDF_PART_FLAG_UNALLOC_TABLE    0x0002
+#define UDF_PART_FLAG_FREED_BITMAP     0x0004
+#define UDF_PART_FLAG_FREED_TABLE      0x0008
+#define UDF_PART_FLAG_READ_ONLY                0x0010
+#define UDF_PART_FLAG_WRITE_ONCE       0x0020
+#define UDF_PART_FLAG_REWRITABLE       0x0040
+#define UDF_PART_FLAG_OVERWRITABLE     0x0080
+
+#define UDF_MAX_BLOCK_LOADED   8
+
+#define UDF_TYPE1_MAP15                        0x1511U
+#define UDF_VIRTUAL_MAP15              0x1512U
+#define UDF_VIRTUAL_MAP20              0x2012U
+#define UDF_SPARABLE_MAP15             0x1522U
+#define UDF_METADATA_MAP25             0x2511U
+
+#define UDF_INVALID_MODE               ((umode_t)-1)
+
+#pragma pack(1) /* XXX(hch): Why?  This file just defines in-core structures */
+
+#define MF_DUPLICATE_MD                0x01
+#define MF_MIRROR_FE_LOADED    0x02
+
+struct udf_meta_data {
+       __u32   s_meta_file_loc;
+       __u32   s_mirror_file_loc;
+       __u32   s_bitmap_file_loc;
+       __u32   s_alloc_unit_size;
+       __u16   s_align_unit_size;
+       int     s_flags;
+       struct inode *s_metadata_fe;
+       struct inode *s_mirror_fe;
+       struct inode *s_bitmap_fe;
+};
+
+struct udf_sparing_data {
+       __u16   s_packet_len;
+       struct buffer_head *s_spar_map[4];
+};
+
+struct udf_virtual_data {
+       __u32   s_num_entries;
+       __u16   s_start_offset;
+};
+
+struct udf_bitmap {
+       __u32                   s_extPosition;
+       int                     s_nr_groups;
+       struct buffer_head      *s_block_bitmap[0];
+};
+
+struct udf_part_map {
+       union {
+               struct udf_bitmap       *s_bitmap;
+               struct inode            *s_table;
+       } s_uspace;
+       union {
+               struct udf_bitmap       *s_bitmap;
+               struct inode            *s_table;
+       } s_fspace;
+       __u32   s_partition_root;
+       __u32   s_partition_len;
+       __u16   s_partition_type;
+       __u16   s_partition_num;
+       union {
+               struct udf_sparing_data s_sparing;
+               struct udf_virtual_data s_virtual;
+               struct udf_meta_data s_metadata;
+       } s_type_specific;
+       __u32   (*s_partition_func)(struct super_block *, __u32, __u16, __u32);
+       __u16   s_volumeseqnum;
+       __u16   s_partition_flags;
+};
+
+#pragma pack()
+
+struct udf_sb_info {
+       struct udf_part_map     *s_partmaps;
+       __u8                    s_volume_ident[32];
+
+       /* Overall info */
+       __u16                   s_partitions;
+       __u16                   s_partition;
+
+       /* Sector headers */
+       __s32                   s_session;
+       __u32                   s_anchor;
+       __u32                   s_last_block;
+
+       struct buffer_head      *s_lvid_bh;
+
+       /* Default permissions */
+       umode_t                 s_umask;
+       kgid_t                  s_gid;
+       kuid_t                  s_uid;
+       umode_t                 s_fmode;
+       umode_t                 s_dmode;
+       /* Lock protecting consistency of above permission settings */
+       rwlock_t                s_cred_lock;
+
+       /* Root Info */
+       struct timespec         s_record_time;
+
+       /* Fileset Info */
+       __u16                   s_serial_number;
+
+       /* highest UDF revision we have recorded to this media */
+       __u16                   s_udfrev;
+
+       /* Miscellaneous flags */
+       unsigned long           s_flags;
+
+       /* Encoding info */
+       struct nls_table        *s_nls_map;
+
+       /* VAT inode */
+       struct inode            *s_vat_inode;
+
+       struct mutex            s_alloc_mutex;
+       /* Protected by s_alloc_mutex */
+       unsigned int            s_lvid_dirty;
+};
+
+static inline struct udf_sb_info *UDF_SB(struct super_block *sb)
+{
+       return sb->s_fs_info;
+}
+
+struct logicalVolIntegrityDescImpUse *udf_sb_lvidiu(struct super_block *sb);
+
+int udf_compute_nr_groups(struct super_block *sb, u32 partition);
+
+static inline int UDF_QUERY_FLAG(struct super_block *sb, int flag)
+{
+       return test_bit(flag, &UDF_SB(sb)->s_flags);
+}
+
+static inline void UDF_SET_FLAG(struct super_block *sb, int flag)
+{
+       set_bit(flag, &UDF_SB(sb)->s_flags);
+}
+
+static inline void UDF_CLEAR_FLAG(struct super_block *sb, int flag)
+{
+       clear_bit(flag, &UDF_SB(sb)->s_flags);
+}
+
+#endif /* __LINUX_UDF_SB_H */