e2fsck: add Lustre lfsck tool

[tools/e2fsprogs.git] / e2fsck / e2fsck.h

diff --git a/e2fsck/e2fsck.h b/e2fsck/e2fsck.h
index 971390e..2dc43df 100644 (file)
--- a/e2fsck/e2fsck.h
+++ b/e2fsck/e2fsck.h
@@ -11,6 +11,7 @@
 
 #include <stdio.h>
 #include <string.h>
+#include <stddef.h>
 #ifdef HAVE_UNISTD_H
 #include <unistd.h>
 #endif
@@ -167,6 +168,7 @@ struct resource_track {
 #define E2F_OPT_FRAGCHECK      0x0800
 #define E2F_OPT_JOURNAL_ONLY   0x1000 /* only replay the journal */
 #define E2F_OPT_DISCARD                0x2000
+#define E2F_OPT_VERBOSE                0x4000
 
 /*
  * E2fsck flags
@@ -189,9 +191,17 @@ struct resource_track {
 #define E2F_FLAG_GOT_DEVSIZE   0x0800 /* Device size has been fetched */
 #define E2F_FLAG_EXITING       0x1000 /* E2fsck exiting due to errors */
 #define E2F_FLAG_TIME_INSANE   0x2000 /* Time is insane */
+#define E2F_FLAG_EXPAND_EISIZE 0x4000 /* Expand the inodes (i_extra_isize) */
 
 #define E2F_RESET_FLAGS (E2F_FLAG_TIME_INSANE)
 
+/* Defines for Lustre */
+#define LUSTRE_NULL 0x0000
+#define LUSTRE_MDS  0x0001
+#define LUSTRE_OST  0x0002
+#define LUSTRE_TYPE 0x000f
+#define LUSTRE_ONLY 0x1000
+
 /*
  * Defines for indicating the e2fsck pass number
  */
@@ -202,6 +212,35 @@ struct resource_track {
 #define E2F_PASS_5     5
 #define E2F_PASS_1B    6
 
+enum shared_opt {
+       E2F_SHARED_PRESERVE = 0,
+       E2F_SHARED_DELETE,
+       E2F_SHARED_LPF
+};
+
+enum clone_opt {
+       E2F_CLONE_DUP = 0,
+       E2F_CLONE_ZERO
+};
+
+#define EXT4_FITS_IN_INODE(ext4_inode, einode, field)  \
+       ((offsetof(typeof(*ext4_inode), field) +        \
+         sizeof(ext4_inode->field)) <=                 \
+          (EXT2_GOOD_OLD_INODE_SIZE +                  \
+           (einode)->i_extra_isize))                   \
+
+#define EXT4_XTIME_FUTURE(ctx, sb, xtime, margin)      \
+       (!((ctx)->flags & E2F_FLAG_TIME_INSANE) &&      \
+        (xtime) > (ctx)->now + (margin))
+#define EXT4_XTIME_ANCIENT(ctx, sb, xtime, margin)     \
+       ((sb)->s_mkfs_time > (margin) && (xtime) < (sb)->s_mkfs_time - (margin))
+
+#define BADNESS_NORMAL         1
+#define BADNESS_HIGH           2
+#define BADNESS_THRESHOLD      8
+#define BADNESS_BAD_MODE       100
+#define BADNESS_LARGE_FILE     2199023255552ULL
+
 /*
  * Define the extended attribute refcount structure
  */
@@ -242,11 +281,11 @@ struct e2fsck_struct {
                        unsigned long max);
 
        ext2fs_inode_bitmap inode_used_map; /* Inodes which are in use */
-       ext2fs_inode_bitmap inode_bad_map; /* Inodes which are bad somehow */
        ext2fs_inode_bitmap inode_dir_map; /* Inodes which are directories */
        ext2fs_inode_bitmap inode_bb_map; /* Inodes which are in bad blocks */
        ext2fs_inode_bitmap inode_imagic_map; /* AFS inodes */
        ext2fs_inode_bitmap inode_reg_map; /* Inodes which are regular files*/
+       ext2fs_inode_bitmap inode_ea_map; /* EA inodes which are non-orphan */
 
        ext2fs_block_bitmap block_found_map; /* Blocks which are in use */
        ext2fs_block_bitmap block_dup_map; /* Blks referenced more than once */
@@ -257,6 +296,8 @@ struct e2fsck_struct {
         */
        ext2_icount_t   inode_count;
        ext2_icount_t inode_link_info;
+       ext2_icount_t inode_badness;
+       int inode_badness_threshold;
 
        ext2_refcount_t refcount;
        ext2_refcount_t refcount_extra;
@@ -321,6 +362,13 @@ struct e2fsck_struct {
         * Ext4 quota support
         */
        quota_ctx_t qctx;
+
+       /* lustre support */
+       int                     lustre_devtype;
+       char                    *lustre_mdsdb;
+       char                    *lustre_ostdb;
+       struct lfsck_outdb_info *lfsck_oinfo;
+
 #ifdef RESOURCE_TRACK
        /*
         * For timing purposes
@@ -364,9 +412,20 @@ struct e2fsck_struct {
        time_t now;
        time_t time_fudge;      /* For working around buggy init scripts */
        int ext_attr_ver;
+       enum shared_opt shared;
+       enum clone_opt clone;
        profile_t       profile;
        int blocks_per_page;
 
+       /* Expand large inodes to atleast these many bytes */
+       int want_extra_isize;
+       /* minimum i_extra_isize found in used inodes. Should not be lesser
+        * than s_min_extra_isize.
+        */
+       __u32 min_extra_isize;
+       int fs_unexpanded_inodes;
+       ext2fs_inode_bitmap expand_eisize_map;
+
        /*
         * For the use of callers of the e2fsck functions; not used by
         * e2fsck functions themselves.
@@ -393,6 +452,7 @@ extern void e2fsck_pass2(e2fsck_t ctx);
 extern void e2fsck_pass3(e2fsck_t ctx);
 extern void e2fsck_pass4(e2fsck_t ctx);
 extern void e2fsck_pass5(e2fsck_t ctx);
+extern void e2fsck_pass6(e2fsck_t ctx);
 
 /* e2fsck.c */
 extern errcode_t e2fsck_allocate_context(e2fsck_t *ret);
@@ -474,6 +534,11 @@ extern int e2fsck_pass1_check_symlink(ext2_filsys fs, ext2_ino_t ino,
 extern void e2fsck_clear_inode(e2fsck_t ctx, ext2_ino_t ino,
                               struct ext2_inode *inode, int restart_flag,
                               const char *source);
+#define e2fsck_mark_inode_bad(ctx, ino, count) \
+               e2fsck_mark_inode_bad_loc(ctx, ino, count, __func__, __LINE__)
+extern void e2fsck_mark_inode_bad_loc(e2fsck_t ctx, ino_t ino, int count,
+                                     const char *func, const int line);
+extern int is_inode_bad(e2fsck_t ctx, ino_t ino);
 
 /* pass2.c */
 extern int e2fsck_process_bad_inode(e2fsck_t ctx, ext2_ino_t dir,