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Diff for /xfs-cmds/xfsprogs/repair/prefetch.c between versions 1.7 and 1.8

version 1.7, 2008/08/27 06:11:16 version 1.8, 2008/09/05 04:10:01
Line 35  static int  pf_batch_fsbs; Line 35  static int  pf_batch_fsbs;
   
 static void             pf_read_inode_dirs(prefetch_args_t *, xfs_buf_t *);  static void             pf_read_inode_dirs(prefetch_args_t *, xfs_buf_t *);
   
 /* buffer priorities for the libxfs cache */  /*
    * Buffer priorities for the libxfs cache
    *
    * Directory metadata is ranked higher than other metadata as it's used
    * in phases 3, 4 and 6, while other metadata is only used in 3 & 4.
    */
   
 #define B_DIR_BMAP      15  /* intermediate directory btree nodes - can't be queued */
 #define B_DIR_META_2    13      /* metadata in secondary queue */  #define B_DIR_BMAP      CACHE_PREFETCH_PRIORITY + 7
 #define B_DIR_META_H    11      /* metadata fetched for PF_META_ONLY */  /* directory metadata in secondary queue */
 #define B_DIR_META_S    9       /* single block of metadata */  #define B_DIR_META_2    CACHE_PREFETCH_PRIORITY + 6
 #define B_DIR_META      7  /* dir metadata that had to fetched from the primary queue to avoid stalling */
 #define B_DIR_INODE     6  #define B_DIR_META_H    CACHE_PREFETCH_PRIORITY + 5
 #define B_BMAP          5  /* single block of directory metadata (can't batch read) */
 #define B_INODE         4  #define B_DIR_META_S    CACHE_PREFETCH_PRIORITY + 4
   /* dir metadata with more than one block fetched in a single I/O */
   #define B_DIR_META      CACHE_PREFETCH_PRIORITY + 3
   /* inode clusters with directory inodes */
   #define B_DIR_INODE     CACHE_PREFETCH_PRIORITY + 2
   /* intermediate extent btree nodes */
   #define B_BMAP          CACHE_PREFETCH_PRIORITY + 1
   /* inode clusters without any directory entries */
   #define B_INODE         CACHE_PREFETCH_PRIORITY
   
 #define B_IS_INODE(b)   (((b) & 1) == 0)  /*
 #define B_IS_META(b)    (((b) & 1) != 0)   * Test if bit 0 or 2 is set in the "priority tag" of the buffer to see if
    * the buffer is for an inode or other metadata.
    */
   #define B_IS_INODE(f)   (((f) & 5) == 0)
   #define B_IS_META(f)    (((f) & 5) != 0)
   
 #define DEF_BATCH_BYTES 0x10000  #define DEF_BATCH_BYTES 0x10000
   
Removed from v.1.7  
changed lines
  Added in v.1.8

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