reiserfs_fs_i.h

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    1 /*-
    2  * Copyright 2000 Hans Reiser
    3  * See README for licensing and copyright details
    4  * 
    5  * Ported to FreeBSD by Jean-Sébastien Pédron <jspedron@club-internet.fr>
    6  * 
    7  * $FreeBSD$
    8  */
    9 
   10 #ifndef _GNU_REISERFS_REISERFS_FS_I_H
   11 #define _GNU_REISERFS_REISERFS_FS_I_H
   12 
   13 #include <sys/queue.h>
   14 
   15 /* Bitmasks for i_flags field in reiserfs-specific part of inode */
   16 typedef enum {
   17         /*
   18          * This says what format of key do all items (but stat data) of
   19          * an object have.  If this is set, that format is 3.6 otherwise
   20          * - 3.5
   21          */
   22         i_item_key_version_mask         = 0x0001,
   23         /* If this is unset, object has 3.5 stat data, otherwise, it has
   24          * 3.6 stat data with 64bit size, 32bit nlink etc. */
   25         i_stat_data_version_mask        = 0x0002,
   26         /* File might need tail packing on close */
   27         i_pack_on_close_mask            = 0x0004,
   28         /* Don't pack tail of file */
   29         i_nopack_mask                   = 0x0008,
   30         /* If those is set, "safe link" was created for this file during
   31          * truncate or unlink. Safe link is used to avoid leakage of disk
   32          * space on crash with some files open, but unlinked. */
   33         i_link_saved_unlink_mask        = 0x0010,
   34         i_link_saved_truncate_mask      = 0x0020,
   35         i_priv_object                   = 0x0080,
   36         i_has_xattr_dir                 = 0x0100,
   37 } reiserfs_inode_flags;
   38 
   39 struct reiserfs_node {
   40         struct vnode    *i_vnode;
   41         struct vnode    *i_devvp;
   42         struct cdev     *i_dev;
   43         ino_t            i_number;
   44 
   45         ino_t            i_ino;
   46 
   47         struct reiserfs_sb_info *i_reiserfs;
   48 
   49         uint32_t         i_flag;              /* Flags, see below */
   50         uint32_t         i_key[4];            /* Key is still 4 32 bit
   51                                                  integers */
   52         uint32_t         i_flags;             /* Transient inode flags that
   53                                                  are never stored on disk.
   54                                                  Bitmasks for this field
   55                                                  are defined above. */
   56         uint32_t         i_first_direct_byte; /* Offset of first byte stored
   57                                                  in direct item. */
   58         uint32_t         i_attrs;             /* Copy of persistent inode
   59                                                  flags read from sd_attrs. */
   60 
   61         uint16_t         i_mode;              /* IFMT, permissions. */
   62         uint16_t         i_nlink;             /* File link count. */
   63         uint64_t         i_size;              /* File byte count. */
   64         uint32_t         i_bytes;
   65         uid_t            i_uid;               /* File owner. */
   66         gid_t            i_gid;               /* File group. */
   67         struct timespec  i_atime;             /* Last access time. */
   68         struct timespec  i_mtime;             /* Last modified time. */
   69         struct timespec  i_ctime;             /* Last inode change time. */
   70 
   71         uint32_t         i_blocks;
   72         uint32_t         i_generation;
   73 };
   74 
   75 #define VTOI(vp)        ((struct reiserfs_node *)(vp)->v_data)
   76 #define ITOV(ip)        ((ip)->i_vnode)
   77 
   78 /* These flags are kept in i_flag. */
   79 #define IN_HASHED       0x0020 /* Inode is on hash list */
   80 
   81 /* This overlays the fid structure (see mount.h) */
   82 struct rfid {
   83         uint16_t        rfid_len;   /* Length of structure */
   84         uint16_t        rfid_pad;   /* Force 32-bit alignment */
   85         ino_t           rfid_dirid; /* File key */
   86         ino_t           rfid_objectid;
   87         uint32_t        rfid_gen;   /* Generation number */
   88 };
   89 
   90 #endif /* !defined _GNU_REISERFS_REISERFS_FS_I_H */

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