diff options
Diffstat (limited to 'e2fsprogs')
| -rw-r--r-- | e2fsprogs/e2fsck.c | 398 | ||||
| -rw-r--r-- | e2fsprogs/e2fsck.h | 351 | ||||
| -rw-r--r-- | e2fsprogs/ext2fs/ext2fs_inline.c | 1 | ||||
| -rw-r--r-- | e2fsprogs/ext2fs/jfs_compat.h | 67 | ||||
| -rw-r--r-- | e2fsprogs/ext2fs/jfs_user.h | 8 | ||||
| -rw-r--r-- | e2fsprogs/ext2fs/kernel-jbd.h | 849 | ||||
| -rw-r--r-- | e2fsprogs/ext2fs/mkjournal.c | 3 | ||||
| -rw-r--r-- | e2fsprogs/tune2fs.c | 2 |
8 files changed, 451 insertions, 1228 deletions
diff --git a/e2fsprogs/e2fsck.c b/e2fsprogs/e2fsck.c index fb1e772..52069fe 100644 --- a/e2fsprogs/e2fsck.c +++ b/e2fsprogs/e2fsck.c @@ -35,40 +35,8 @@ #ifndef _GNU_SOURCE #define _GNU_SOURCE 1 /* get strnlen() */ #endif -#include <sys/types.h> -#include <inttypes.h> -#include <stdio.h> -#include <string.h> -#include <unistd.h> -#include <stdlib.h> -#include <time.h> -#include <fcntl.h> -#include <ctype.h> -#include <setjmp.h> -#include <errno.h> -#include <getopt.h> -#include <limits.h> -#include <stddef.h> -#include <assert.h> -#include <signal.h> -#include <sys/time.h> -#include <sys/stat.h> -#include <sys/resource.h> -#include <sys/param.h> -#include <sys/mount.h> -#include <sys/ioctl.h> -#include <malloc.h> -#include <termios.h> -#include <mntent.h> -#include <dirent.h> - -#include "fsck.h" - -#include "ext2fs/ext2_fs.h" -#include "ext2fs/ext2fs.h" -#include "blkid/blkid.h" -#include "ext2fs/ext2_ext_attr.h" -#include "uuid/uuid.h" + +#include "e2fsck.h" /*Put all of our defines here to clean things up*/ #ifdef __GNUC__ #define _INLINE_ __inline__ @@ -79,274 +47,6 @@ #endif /* - * The last ext2fs revision level that this version of e2fsck is able to - * support - */ -#define E2FSCK_CURRENT_REV 1 - -/* - * The directory information structure; stores directory information - * collected in earlier passes, to avoid disk i/o in fetching the - * directory information. - */ -struct dir_info { - ext2_ino_t ino; /* Inode number */ - ext2_ino_t dotdot; /* Parent according to '..' */ - ext2_ino_t parent; /* Parent according to treewalk */ -}; - - -/* - * The indexed directory information structure; stores information for - * directories which contain a hash tree index. - */ -struct dx_dir_info { - ext2_ino_t ino; /* Inode number */ - int numblocks; /* number of blocks */ - int hashversion; - short depth; /* depth of tree */ - struct dx_dirblock_info *dx_block; /* Array of size numblocks */ -}; - -#define DX_DIRBLOCK_ROOT 1 -#define DX_DIRBLOCK_LEAF 2 -#define DX_DIRBLOCK_NODE 3 -#define DX_DIRBLOCK_CORRUPT 4 -#define DX_DIRBLOCK_CLEARED 8 - -struct dx_dirblock_info { - int type; - blk_t phys; - int flags; - blk_t parent; - ext2_dirhash_t min_hash; - ext2_dirhash_t max_hash; - ext2_dirhash_t node_min_hash; - ext2_dirhash_t node_max_hash; -}; - -#define DX_FLAG_REFERENCED 1 -#define DX_FLAG_DUP_REF 2 -#define DX_FLAG_FIRST 4 -#define DX_FLAG_LAST 8 - -#ifdef RESOURCE_TRACK -/* - * This structure is used for keeping track of how much resources have - * been used for a particular pass of e2fsck. - */ -struct resource_track { - struct timeval time_start; - struct timeval user_start; - struct timeval system_start; - void *brk_start; -}; -#endif - -/* - * E2fsck options - */ -#define E2F_OPT_READONLY 0x0001 -#define E2F_OPT_PREEN 0x0002 -#define E2F_OPT_YES 0x0004 -#define E2F_OPT_NO 0x0008 -#define E2F_OPT_TIME 0x0010 -#define E2F_OPT_TIME2 0x0020 -#define E2F_OPT_CHECKBLOCKS 0x0040 -#define E2F_OPT_DEBUG 0x0080 -#define E2F_OPT_FORCE 0x0100 -#define E2F_OPT_WRITECHECK 0x0200 -#define E2F_OPT_COMPRESS_DIRS 0x0400 - -/* - * E2fsck flags - */ -#define E2F_FLAG_ABORT 0x0001 /* Abort signaled */ -#define E2F_FLAG_CANCEL 0x0002 /* Cancel signaled */ -#define E2F_FLAG_SIGNAL_MASK 0x0003 -#define E2F_FLAG_RESTART 0x0004 /* Restart signaled */ - -#define E2F_FLAG_SETJMP_OK 0x0010 /* Setjmp valid for abort */ - -#define E2F_FLAG_PROG_BAR 0x0020 /* Progress bar on screen */ -#define E2F_FLAG_PROG_SUPPRESS 0x0040 /* Progress suspended */ -#define E2F_FLAG_JOURNAL_INODE 0x0080 /* Create a new ext3 journal inode */ -#define E2F_FLAG_SB_SPECIFIED 0x0100 /* The superblock was explicitly - * specified by the user */ -#define E2F_FLAG_RESTARTED 0x0200 /* E2fsck has been restarted */ -#define E2F_FLAG_RESIZE_INODE 0x0400 /* Request to recreate resize inode */ - -/* - * Defines for indicating the e2fsck pass number - */ -#define E2F_PASS_1 1 -#define E2F_PASS_2 2 -#define E2F_PASS_3 3 -#define E2F_PASS_4 4 -#define E2F_PASS_5 5 -#define E2F_PASS_1B 6 - - -/* - * This is the global e2fsck structure. - */ -typedef struct e2fsck_struct *e2fsck_t; - -/* - * Define the extended attribute refcount structure - */ -typedef struct ea_refcount *ext2_refcount_t; - -struct e2fsck_struct { - ext2_filsys fs; - const char *program_name; - char *filesystem_name; - char *device_name; - char *io_options; - int flags; /* E2fsck internal flags */ - int options; - blk_t use_superblock; /* sb requested by user */ - blk_t superblock; /* sb used to open fs */ - int blocksize; /* blocksize */ - blk_t num_blocks; /* Total number of blocks */ - int mount_flags; - blkid_cache blkid; /* blkid cache */ - - jmp_buf abort_loc; - - unsigned long abort_code; - - int (*progress)(e2fsck_t ctx, int pass, unsigned long cur, - 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_block_bitmap block_found_map; /* Blocks which are in use */ - ext2fs_block_bitmap block_dup_map; /* Blks referenced more than once */ - ext2fs_block_bitmap block_ea_map; /* Blocks which are used by EA's */ - - /* - * Inode count arrays - */ - ext2_icount_t inode_count; - ext2_icount_t inode_link_info; - - ext2_refcount_t refcount; - ext2_refcount_t refcount_extra; - - /* - * Array of flags indicating whether an inode bitmap, block - * bitmap, or inode table is invalid - */ - int *invalid_inode_bitmap_flag; - int *invalid_block_bitmap_flag; - int *invalid_inode_table_flag; - int invalid_bitmaps; /* There are invalid bitmaps/itable */ - - /* - * Block buffer - */ - char *block_buf; - - /* - * For pass1_check_directory and pass1_get_blocks - */ - ext2_ino_t stashed_ino; - struct ext2_inode *stashed_inode; - - /* - * Location of the lost and found directory - */ - ext2_ino_t lost_and_found; - int bad_lost_and_found; - - /* - * Directory information - */ - int dir_info_count; - int dir_info_size; - struct dir_info *dir_info; - - /* - * Indexed directory information - */ - int dx_dir_info_count; - int dx_dir_info_size; - struct dx_dir_info *dx_dir_info; - - /* - * Directories to hash - */ - ext2_u32_list dirs_to_hash; - - /* - * Tuning parameters - */ - int process_inode_size; - int inode_buffer_blocks; - - /* - * ext3 journal support - */ - io_channel journal_io; - char *journal_name; - -#ifdef RESOURCE_TRACK - /* - * For timing purposes - */ - struct resource_track global_rtrack; -#endif - - /* - * How we display the progress update (for unix) - */ - int progress_fd; - int progress_pos; - int progress_last_percent; - unsigned int progress_last_time; - int interactive; /* Are we connected directly to a tty? */ - char start_meta[2], stop_meta[2]; - - /* File counts */ - int fs_directory_count; - int fs_regular_count; - int fs_blockdev_count; - int fs_chardev_count; - int fs_links_count; - int fs_symlinks_count; - int fs_fast_symlinks_count; - int fs_fifo_count; - int fs_total_count; - int fs_badblocks_count; - int fs_sockets_count; - int fs_ind_count; - int fs_dind_count; - int fs_tind_count; - int fs_fragmented; - int large_files; - int fs_ext_attr_inodes; - int fs_ext_attr_blocks; - - int ext_attr_ver; - - /* - * For the use of callers of the e2fsck functions; not used by - * e2fsck functions themselves. - */ - void *priv_data; -}; - -/* Used by the region allocation code */ -typedef __u32 region_addr_t; -typedef struct region_struct *region_t; - -/* * Procedure declarations */ @@ -395,6 +95,8 @@ static blk_t get_backup_sb(e2fsck_t ctx, ext2_filsys fs, static void e2fsck_clear_progbar(e2fsck_t ctx); static int e2fsck_simple_progress(e2fsck_t ctx, const char *label, float percent, unsigned int dpynum); + + /* * problem.h --- e2fsck problem error codes */ @@ -1349,7 +1051,6 @@ typedef struct dict_load_t { * Pull in the definition of the e2fsck context structure */ - struct buffer_head { char b_data[8192]; e2fsck_t b_ctx; @@ -1361,22 +1062,10 @@ struct buffer_head { int b_err; }; -struct inode { - e2fsck_t i_ctx; - ext2_ino_t i_ino; - struct ext2_inode i_ext2; -}; - -struct kdev_s { - e2fsck_t k_ctx; - int k_dev; -}; #define K_DEV_FS 1 #define K_DEV_JOURNAL 2 -typedef struct kdev_s *kdev_t; - #define lock_buffer(bh) do {} while(0) #define unlock_buffer(bh) do {} while(0) #define buffer_req(bh) 1 @@ -1411,11 +1100,6 @@ static _INLINE_ void do_cache_destroy(kmem_cache_t *cache) } /* - * Now pull in the real linux/jfs.h definitions. - */ -#include "ext2fs/kernel-jbd.h" - -/* * badblocks.c --- replace/append bad blocks to the bad block inode */ @@ -2720,11 +2404,6 @@ static void ehandler_init(io_channel channel) #define MNT_FL (MS_MGC_VAL | MS_RDONLY) - -#ifdef __CONFIG_JBD_DEBUG__E2FS /* Enabled by configure --enable-jfs-debug */ -static int bh_count = 0; -#endif - /* * Define USE_INODE_IO to use the inode_io.c / fileio.c codepaths. * This creates a larger static binary, and a smaller binary using @@ -2768,9 +2447,6 @@ static struct buffer_head *getblk(kdev_t kdev, blk_t blocknr, int blocksize) if (!bh) return NULL; - jfs_debug(4, "getblk for block %lu (%d bytes)(total %d)\n", - (unsigned long) blocknr, blocksize, ++bh_count); - bh->b_ctx = kdev->k_ctx; if (kdev->k_dev == K_DEV_FS) bh->b_io = kdev->k_ctx->fs->io; @@ -2802,8 +2478,6 @@ static void ll_rw_block(int rw, int nr, struct buffer_head *bhp[]) for (; nr > 0; --nr) { bh = *bhp++; if (rw == READ && !bh->b_uptodate) { - jfs_debug(3, "reading block %lu/%p\n", - (unsigned long) bh->b_blocknr, (void *) bh); retval = io_channel_read_blk(bh->b_io, bh->b_blocknr, 1, bh->b_data); @@ -2816,8 +2490,6 @@ static void ll_rw_block(int rw, int nr, struct buffer_head *bhp[]) } bh->b_uptodate = 1; } else if (rw == WRITE && bh->b_dirty) { - jfs_debug(3, "writing block %lu/%p\n", - (unsigned long) bh->b_blocknr, (void *) bh); retval = io_channel_write_blk(bh->b_io, bh->b_blocknr, 1, bh->b_data); @@ -2830,10 +2502,6 @@ static void ll_rw_block(int rw, int nr, struct buffer_head *bhp[]) } bh->b_dirty = 0; bh->b_uptodate = 1; - } else { - jfs_debug(3, "no-op %s for block %lu\n", - rw == READ ? "read" : "write", - (unsigned long) bh->b_blocknr); } } } @@ -2852,8 +2520,6 @@ static void brelse(struct buffer_head *bh) { if (bh->b_dirty) ll_rw_block(WRITE, 1, &bh); - jfs_debug(3, "freeing block %lu/%p (total %d)\n", - (unsigned long) bh->b_blocknr, (void *) bh, --bh_count); ext2fs_free_mem(&bh); } @@ -3012,14 +2678,9 @@ static errcode_t e2fsck_get_journal(e2fsck_t ctx, journal_t **ret_journal) return EXT2_ET_LOAD_EXT_JOURNAL; } - jfs_debug(1, "Using journal file %s\n", journal_name); io_ptr = unix_io_manager; } -#if 0 - test_io_backing_manager = io_ptr; - io_ptr = test_io_manager; -#endif #ifndef USE_INODE_IO if (ext_journal) #endif @@ -11681,13 +11342,10 @@ static int jread(struct buffer_head **bhp, journal_t *journal, *bhp = NULL; - J_ASSERT (offset < journal->j_maxlen); - err = journal_bmap(journal, offset, &blocknr); if (err) { - printk (KERN_ERR "JBD: bad block at offset %u\n", - offset); + printf ("JBD: bad block at offset %u\n", offset); return err; } @@ -11704,8 +11362,7 @@ static int jread(struct buffer_head **bhp, journal_t *journal, } if (!buffer_uptodate(bh)) { - printk (KERN_ERR "JBD: Failed to read block at offset %u\n", - offset); + printf ("JBD: Failed to read block at offset %u\n", offset); brelse(bh); return -EIO; } @@ -11779,8 +11436,6 @@ int journal_recover(journal_t *journal) */ if (!sb->s_start) { - jbd_debug(1, "No recovery required, last transaction %d\n", - ntohl(sb->s_sequence)); journal->j_transaction_sequence = ntohl(sb->s_sequence) + 1; return 0; } @@ -11791,12 +11446,6 @@ int journal_recover(journal_t *journal) if (!err) err = do_one_pass(journal, &info, PASS_REPLAY); - jbd_debug(0, "JBD: recovery, exit status %d, " - "recovered transactions %u to %u\n", - err, info.start_transaction, info.end_transaction); - jbd_debug(0, "JBD: Replayed %d and revoked %d/%d blocks\n", - info.nr_replays, info.nr_revoke_hits, info.nr_revokes); - /* Restart the log at the next transaction ID, thus invalidating * any existing commit records in the log. */ journal->j_transaction_sequence = ++info.end_transaction; @@ -11837,8 +11486,6 @@ static int do_one_pass(journal_t *journal, if (pass == PASS_SCAN) info->start_transaction = first_commit_ID; - jbd_debug(1, "Starting recovery pass %d\n", pass); - /* * Now we walk through the log, transaction by transaction, * making sure that each transaction has a commit block in the @@ -11861,14 +11508,10 @@ static int do_one_pass(journal_t *journal, if (tid_geq(next_commit_ID, info->end_transaction)) break; - jbd_debug(2, "Scanning for sequence ID %u at %lu/%lu\n", - next_commit_ID, next_log_block, journal->j_last); - /* Skip over each chunk of the transaction looking * either the next descriptor block or the final commit * record. */ - jbd_debug(3, "JBD: checking block %ld\n", next_log_block); err = jread(&bh, journal, next_log_block); if (err) goto failed; @@ -11891,8 +11534,6 @@ static int do_one_pass(journal_t *journal, blocktype = ntohl(tmp->h_blocktype); sequence = ntohl(tmp->h_sequence); - jbd_debug(3, "Found magic %d, sequence %d\n", - blocktype, sequence); if (sequence != next_commit_ID) { brelse(bh); @@ -11935,14 +11576,12 @@ static int do_one_pass(journal_t *journal, /* Recover what we can, but * report failure at the end. */ success = err; - printk (KERN_ERR - "JBD: IO error %d recovering " + printf ("JBD: IO error %d recovering " "block %ld in log\n", err, io_block); } else { unsigned long blocknr; - J_ASSERT(obh != NULL); blocknr = ntohl(tag->t_blocknr); /* If the block has been @@ -11962,8 +11601,7 @@ static int do_one_pass(journal_t *journal, blocknr, journal->j_blocksize); if (nbh == NULL) { - printk(KERN_ERR - "JBD: Out of memory " + printf ("JBD: Out of memory " "during recovery.\n"); err = -ENOMEM; brelse(bh); @@ -11979,10 +11617,8 @@ static int do_one_pass(journal_t *journal, htonl(JFS_MAGIC_NUMBER); } - BUFFER_TRACE(nbh, "marking dirty"); mark_buffer_uptodate(nbh, 1); mark_buffer_dirty(nbh); - BUFFER_TRACE(nbh, "marking uptodate"); ++info->nr_replays; /* ll_rw_block(WRITE, 1, &nbh); */ unlock_buffer(nbh); @@ -12026,8 +11662,6 @@ static int do_one_pass(journal_t *journal, continue; default: - jbd_debug(3, "Unrecognised magic %d, end of scan.\n", - blocktype); goto done; } } @@ -12046,7 +11680,7 @@ static int do_one_pass(journal_t *journal, /* It's really bad news if different passes end up at * different places (but possible due to IO errors). */ if (info->end_transaction != next_commit_ID) { - printk (KERN_ERR "JBD: recovery pass %d ended at " + printf ("JBD: recovery pass %d ended at " "transaction %u, expected %u\n", pass, next_commit_ID, info->end_transaction); if (!success) @@ -13067,15 +12701,11 @@ int journal_init_revoke(journal_t *journal, int hash_size) { int shift, tmp; - J_ASSERT (journal->j_revoke == NULL); - journal->j_revoke = kmem_cache_alloc(revoke_table_cache, GFP_KERNEL); if (!journal->j_revoke) return -ENOMEM; /* Check that the hash_size is a power of two */ - J_ASSERT ((hash_size & (hash_size-1)) == 0); - journal->j_revoke->hash_size = hash_size; shift = 0; @@ -13111,7 +12741,6 @@ void journal_destroy_revoke(journal_t *journal) for (i=0; i<table->hash_size; i++) { hash_list = &table->hash_table[i]; - J_ASSERT (list_empty(hash_list)); } free(table->hash_table); @@ -14158,15 +13787,6 @@ static void swap_filesys(e2fsck_t ctx) * util.c --- miscellaneous utilities */ -#ifdef HAVE_CONIO_H -#undef HAVE_TERMIOS_H -#include <conio.h> -#define read_a_char() getch() -#else -#ifdef HAVE_TERMIOS_H -#include <termios.h> -#endif -#endif #if 0 void fatal_error(e2fsck_t ctx, const char *msg) diff --git a/e2fsprogs/e2fsck.h b/e2fsprogs/e2fsck.h new file mode 100644 index 0000000..1d292b9 --- /dev/null +++ b/e2fsprogs/e2fsck.h @@ -0,0 +1,351 @@ +#include <sys/types.h> +#include <inttypes.h> +#include <stdio.h> +#include <string.h> +#include <unistd.h> +#include <stdlib.h> +#include <time.h> +#include <fcntl.h> +#include <ctype.h> +#include <setjmp.h> +#include <errno.h> +#include <getopt.h> +#include <limits.h> +#include <stddef.h> +#include <assert.h> +#include <signal.h> +#include <sys/time.h> +#include <sys/stat.h> +#include <sys/resource.h> +#include <sys/param.h> +#include <sys/mount.h> +#include <sys/ioctl.h> +#include <malloc.h> +#include <termios.h> +#include <mntent.h> +#include <dirent.h> +#include "ext2fs/kernel-list.h" +#include <sys/types.h> +#include <linux/types.h> + + +/* + * Now pull in the real linux/jfs.h definitions. + */ +#include "ext2fs/kernel-jbd.h" + + + +#include "fsck.h" + +#include "ext2fs/ext2_fs.h" +#include "blkid/blkid.h" +#include "ext2fs/ext2_ext_attr.h" +#include "uuid/uuid.h" + +#ifdef HAVE_CONIO_H +#undef HAVE_TERMIOS_H +#include <conio.h> +#define read_a_char() getch() +#else +#ifdef HAVE_TERMIOS_H +#include <termios.h> +#endif +#endif + + +/* + * The last ext2fs revision level that this version of e2fsck is able to + * support + */ +#define E2FSCK_CURRENT_REV 1 + +/* Used by the region allocation code */ +typedef __u32 region_addr_t; +typedef struct region_struct *region_t; + +struct dx_dirblock_info { + int type; + blk_t phys; + int flags; + blk_t parent; + ext2_dirhash_t min_hash; + ext2_dirhash_t max_hash; + ext2_dirhash_t node_min_hash; + ext2_dirhash_t node_max_hash; +}; + +/* +These defines are used in the type field of dx_dirblock_info +*/ + +#define DX_DIRBLOCK_ROOT 1 +#define DX_DIRBLOCK_LEAF 2 +#define DX_DIRBLOCK_NODE 3 +#define DX_DIRBLOCK_CORRUPT 4 +#define DX_DIRBLOCK_CLEARED 8 + + +/* +The following defines are used in the 'flags' field of a dx_dirblock_info +*/ +#define DX_FLAG_REFERENCED 1 +#define DX_FLAG_DUP_REF 2 +#define DX_FLAG_FIRST 4 +#define DX_FLAG_LAST 8 + +#ifdef RESOURCE_TRACK +/* + * This structure is used for keeping track of how much resources have + * been used for a particular pass of e2fsck. + */ +struct resource_track { + struct timeval time_start; + struct timeval user_start; + struct timeval system_start; + void *brk_start; +}; +#endif + +/* + * E2fsck options + */ +#define E2F_OPT_READONLY 0x0001 +#define E2F_OPT_PREEN 0x0002 +#define E2F_OPT_YES 0x0004 +#define E2F_OPT_NO 0x0008 +#define E2F_OPT_TIME 0x0010 +#define E2F_OPT_TIME2 0x0020 +#define E2F_OPT_CHECKBLOCKS 0x0040 +#define E2F_OPT_DEBUG 0x0080 +#define E2F_OPT_FORCE 0x0100 +#define E2F_OPT_WRITECHECK 0x0200 +#define E2F_OPT_COMPRESS_DIRS 0x0400 + +/* + * E2fsck flags + */ +#define E2F_FLAG_ABORT 0x0001 /* Abort signaled */ +#define E2F_FLAG_CANCEL 0x0002 /* Cancel signaled */ +#define E2F_FLAG_SIGNAL_MASK 0x0003 +#define E2F_FLAG_RESTART 0x0004 /* Restart signaled */ + +#define E2F_FLAG_SETJMP_OK 0x0010 /* Setjmp valid for abort */ + +#define E2F_FLAG_PROG_BAR 0x0020 /* Progress bar on screen */ +#define E2F_FLAG_PROG_SUPPRESS 0x0040 /* Progress suspended */ +#define E2F_FLAG_JOURNAL_INODE 0x0080 /* Create a new ext3 journal inode */ +#define E2F_FLAG_SB_SPECIFIED 0x0100 /* The superblock was explicitly + * specified by the user */ +#define E2F_FLAG_RESTARTED 0x0200 /* E2fsck has been restarted */ +#define E2F_FLAG_RESIZE_INODE 0x0400 /* Request to recreate resize inode */ + +/* + * Defines for indicating the e2fsck pass number + */ +#define E2F_PASS_1 1 +#define E2F_PASS_2 2 +#define E2F_PASS_3 3 +#define E2F_PASS_4 4 +#define E2F_PASS_5 5 +#define E2F_PASS_1B 6 + +/*Don't know where these come from*/ +#define READ 0 +#define WRITE 1 +#define KERN_ERR "" +#define KERN_DEBUG "" +#define cpu_to_be32(n) htonl(n) +#define be32_to_cpu(n) ntohl(n) + + +/* + * The directory information structure; stores directory information + * collected in earlier passes, to avoid disk i/o in fetching the + * directory information. + */ +struct dir_info { + ext2_ino_t ino; /* Inode number */ + ext2_ino_t dotdot; /* Parent according to '..' */ + ext2_ino_t parent; /* Parent according to treewalk */ +}; + + + +/* + * The indexed directory information structure; stores information for + * directories which contain a hash tree index. + */ +struct dx_dir_info { + ext2_ino_t ino; /* Inode number */ + int numblocks; /* number of blocks */ + int hashversion; + short depth; /* depth of tree */ + struct dx_dirblock_info *dx_block; /* Array of size numblocks */ +}; + +/* + * Define the extended attribute refcount structure + */ +typedef struct ea_refcount *ext2_refcount_t; + +struct e2fsck_struct { + ext2_filsys fs; + const char *program_name; + char *filesystem_name; + char *device_name; + char *io_options; + int flags; /* E2fsck internal flags */ + int options; + blk_t use_superblock; /* sb requested by user */ + blk_t superblock; /* sb used to open fs */ + int blocksize; /* blocksize */ + blk_t num_blocks; /* Total number of blocks */ + int mount_flags; + blkid_cache blkid; /* blkid cache */ + + jmp_buf abort_loc; + + unsigned long abort_code; + + int (*progress)(e2fsck_t ctx, int pass, unsigned long cur, + 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_block_bitmap block_found_map; /* Blocks which are in use */ + ext2fs_block_bitmap block_dup_map; /* Blks referenced more than once */ + ext2fs_block_bitmap block_ea_map; /* Blocks which are used by EA's */ + + /* + * Inode count arrays + */ + ext2_icount_t inode_count; + ext2_icount_t inode_link_info; + + ext2_refcount_t refcount; + ext2_refcount_t refcount_extra; + + /* + * Array of flags indicating whether an inode bitmap, block + * bitmap, or inode table is invalid + */ + int *invalid_inode_bitmap_flag; + int *invalid_block_bitmap_flag; + int *invalid_inode_table_flag; + int invalid_bitmaps; /* There are invalid bitmaps/itable */ + + /* + * Block buffer + */ + char *block_buf; + + /* + * For pass1_check_directory and pass1_get_blocks + */ + ext2_ino_t stashed_ino; + struct ext2_inode *stashed_inode; + + /* + * Location of the lost and found directory + */ + ext2_ino_t lost_and_found; + int bad_lost_and_found; + + /* + * Directory information + */ + int dir_info_count; + int dir_info_size; + struct dir_info *dir_info; + + /* + * Indexed directory information + */ + int dx_dir_info_count; + int dx_dir_info_size; + struct dx_dir_info *dx_dir_info; + + /* + * Directories to hash + */ + ext2_u32_list dirs_to_hash; + + /* + * Tuning parameters + */ + int process_inode_size; + int inode_buffer_blocks; + + /* + * ext3 journal support + */ + io_channel journal_io; + char *journal_name; + +#ifdef RESOURCE_TRACK + /* + * For timing purposes + */ + struct resource_track global_rtrack; +#endif + + /* + * How we display the progress update (for unix) + */ + int progress_fd; + int progress_pos; + int progress_last_percent; + unsigned int progress_last_time; + int interactive; /* Are we connected directly to a tty? */ + char start_meta[2], stop_meta[2]; + + /* File counts */ + int fs_directory_count; + int fs_regular_count; + int fs_blockdev_count; + int fs_chardev_count; + int fs_links_count; + int fs_symlinks_count; + int fs_fast_symlinks_count; + int fs_fifo_count; + int fs_total_count; + int fs_badblocks_count; + int fs_sockets_count; + int fs_ind_count; + int fs_dind_count; + int fs_tind_count; + int fs_fragmented; + int large_files; + int fs_ext_attr_inodes; + int fs_ext_attr_blocks; + + int ext_attr_ver; + + /* + * For the use of callers of the e2fsck functions; not used by + * e2fsck functions themselves. + */ + void *priv_data; +}; + + + +static inline int tid_gt(tid_t x, tid_t y) +{ + int difference = (x - y); + return (difference > 0); +} + +static inline int tid_geq(tid_t x, tid_t y) +{ + int difference = (x - y); + return (difference >= 0); +} + + diff --git a/e2fsprogs/ext2fs/ext2fs_inline.c b/e2fsprogs/ext2fs/ext2fs_inline.c index a363b19..d670065 100644 --- a/e2fsprogs/ext2fs/ext2fs_inline.c +++ b/e2fsprogs/ext2fs/ext2fs_inline.c @@ -11,6 +11,7 @@ #include "ext2fs.h" #include "bitops.h" +#include <string.h> /* * Allocate memory diff --git a/e2fsprogs/ext2fs/jfs_compat.h b/e2fsprogs/ext2fs/jfs_compat.h deleted file mode 100644 index 30ad1ef..0000000 --- a/e2fsprogs/ext2fs/jfs_compat.h +++ /dev/null @@ -1,67 +0,0 @@ - -#ifndef _JFS_COMPAT_H -#define _JFS_COMPAT_H - -#include "kernel-list.h" -#include <errno.h> -#ifdef HAVE_NETINET_IN_H -#include <netinet/in.h> -#endif - -#define printk printf -#define KERN_ERR "" -#define KERN_DEBUG "" - -#define READ 0 -#define WRITE 1 - -#define cpu_to_be32(n) htonl(n) -#define be32_to_cpu(n) ntohl(n) - -typedef unsigned int tid_t; -typedef struct journal_s journal_t; - -struct buffer_head; -struct inode; - -struct journal_s -{ - unsigned long j_flags; - int j_errno; - struct buffer_head * j_sb_buffer; - struct journal_superblock_s *j_superblock; - int j_format_version; - unsigned long j_head; - unsigned long j_tail; - unsigned long j_free; - unsigned long j_first, j_last; - kdev_t j_dev; - kdev_t j_fs_dev; - int j_blocksize; - unsigned int j_blk_offset; - unsigned int j_maxlen; - struct inode * j_inode; - tid_t j_tail_sequence; - tid_t j_transaction_sequence; - __u8 j_uuid[16]; - struct jbd_revoke_table_s *j_revoke; -}; - -#define J_ASSERT(assert) \ - do { if (!(assert)) { \ - printf ("Assertion failure in %s() at %s line %d: " \ - "\"%s\"\n", \ - __FUNCTION__, __FILE__, __LINE__, # assert); \ - fatal_error(e2fsck_global_ctx, 0); \ - } } while (0) - -#define is_journal_abort(x) 0 - -#define BUFFER_TRACE(bh, info) do {} while (0) - -/* Need this so we can compile with configure --enable-gcc-wall */ -#ifdef NO_INLINE_FUNCS -#define inline -#endif - -#endif /* _JFS_COMPAT_H */ diff --git a/e2fsprogs/ext2fs/jfs_user.h b/e2fsprogs/ext2fs/jfs_user.h deleted file mode 100644 index 3a52123..0000000 --- a/e2fsprogs/ext2fs/jfs_user.h +++ /dev/null @@ -1,8 +0,0 @@ -#ifndef _JFS_USER_H -#define _JFS_USER_H - -typedef unsigned short kdev_t; - -#include "kernel-jbd.h" - -#endif /* _JFS_USER_H */ diff --git a/e2fsprogs/ext2fs/kernel-jbd.h b/e2fsprogs/ext2fs/kernel-jbd.h index 8a5de5e..56914ea 100644 --- a/e2fsprogs/ext2fs/kernel-jbd.h +++ b/e2fsprogs/ext2fs/kernel-jbd.h @@ -16,91 +16,14 @@ #ifndef _LINUX_JBD_H #define _LINUX_JBD_H -#if defined(CONFIG_JBD) || defined(CONFIG_JBD_MODULE) || !defined(__KERNEL__) - -/* Allow this file to be included directly into e2fsprogs */ -#ifndef __KERNEL__ -#include "jfs_compat.h" -#define JFS_DEBUG -#define jfs_debug jbd_debug -#else - -#include <linux/journal-head.h> -#include <linux/stddef.h> -#include <asm/semaphore.h> -#endif - -#ifndef __GNUC__ -#define __FUNCTION__ "" -#endif - -#define journal_oom_retry 1 - -#ifdef __STDC__ -#ifdef __CONFIG_JBD_DEBUG__E2FS -/* - * Define JBD_EXPENSIVE_CHECKING to enable more expensive internal - * consistency checks. By default we don't do this unless - * __CONFIG_JBD_DEBUG__E2FS is on. - */ -#define JBD_EXPENSIVE_CHECKING -extern int journal_enable_debug; - -#define jbd_debug(n, f, a...) \ - do { \ - if ((n) <= journal_enable_debug) { \ - printk (KERN_DEBUG "(%s, %d): %s: ", \ - __FILE__, __LINE__, __FUNCTION__); \ - printk (f, ## a); \ - } \ - } while (0) -#else -#ifdef __GNUC__ -#define jbd_debug(f, a...) /**/ -#else -#define jbd_debug(f, ...) /**/ -#endif -#endif -#else -#define jbd_debug(x) /* AIX doesn't do STDC */ -#endif - -extern void * __jbd_kmalloc (char *where, size_t size, int flags, int retry); -#define jbd_kmalloc(size, flags) \ - __jbd_kmalloc(__FUNCTION__, (size), (flags), journal_oom_retry) -#define jbd_rep_kmalloc(size, flags) \ - __jbd_kmalloc(__FUNCTION__, (size), (flags), 1) - -#define JFS_MIN_JOURNAL_BLOCKS 1024 - -#ifdef __KERNEL__ -typedef struct handle_s handle_t; /* Atomic operation type */ -typedef struct journal_s journal_t; /* Journal control structure */ -#endif - -/* - * Internal structures used by the logging mechanism: - */ - -#define JFS_MAGIC_NUMBER 0xc03b3998U /* The first 4 bytes of /dev/random! */ - -/* - * On-disk structures - */ - -/* - * Descriptor block types: - */ - -#define JFS_DESCRIPTOR_BLOCK 1 -#define JFS_COMMIT_BLOCK 2 -#define JFS_SUPERBLOCK_V1 3 -#define JFS_SUPERBLOCK_V2 4 -#define JFS_REVOKE_BLOCK 5 +#include <sys/types.h> +#include <linux/types.h> +#include "ext2fs/ext2fs.h" /* * Standard header for all descriptor blocks: */ + typedef struct journal_header_s { __u32 h_magic; @@ -108,32 +31,17 @@ typedef struct journal_header_s __u32 h_sequence; } journal_header_t; - -/* - * The block tag: used to describe a single buffer in the journal - */ -typedef struct journal_block_tag_s -{ - __u32 t_blocknr; /* The on-disk block number */ - __u32 t_flags; /* See below */ -} journal_block_tag_t; - /* - * The revoke descriptor: used on disk to describe a series of blocks to - * be revoked from the log + * This is the global e2fsck structure. */ -typedef struct journal_revoke_header_s -{ - journal_header_t r_header; - int r_count; /* Count of bytes used in the block */ -} journal_revoke_header_t; +typedef struct e2fsck_struct *e2fsck_t; -/* Definitions for the journal tag flags word: */ -#define JFS_FLAG_ESCAPE 1 /* on-disk block is escaped */ -#define JFS_FLAG_SAME_UUID 2 /* block has same uuid as previous */ -#define JFS_FLAG_DELETED 4 /* block deleted by this transaction */ -#define JFS_FLAG_LAST_TAG 8 /* last tag in this descriptor block */ +struct inode { + e2fsck_t i_ctx; + ext2_ino_t i_ino; + struct ext2_inode i_ext2; +}; /* @@ -184,6 +92,58 @@ typedef struct journal_superblock_s /* 0x0400 */ } journal_superblock_t; + +extern int journal_blocks_per_page(struct inode *inode); +extern int jbd_blocks_per_page(struct inode *inode); + +#define JFS_MIN_JOURNAL_BLOCKS 1024 + + +/* + * Internal structures used by the logging mechanism: + */ + +#define JFS_MAGIC_NUMBER 0xc03b3998U /* The first 4 bytes of /dev/random! */ + +/* + * Descriptor block types: + */ + +#define JFS_DESCRIPTOR_BLOCK 1 +#define JFS_COMMIT_BLOCK 2 +#define JFS_SUPERBLOCK_V1 3 +#define JFS_SUPERBLOCK_V2 4 +#define JFS_REVOKE_BLOCK 5 + +/* + * The block tag: used to describe a single buffer in the journal + */ +typedef struct journal_block_tag_s +{ + __u32 t_blocknr; /* The on-disk block number */ + __u32 t_flags; /* See below */ +} journal_block_tag_t; + +/* + * The revoke descriptor: used on disk to describe a series of blocks to + * be revoked from the log + */ +typedef struct journal_revoke_header_s +{ + journal_header_t r_header; + int r_count; /* Count of bytes used in the block */ +} journal_revoke_header_t; + + +/* Definitions for the journal tag flags word: */ +#define JFS_FLAG_ESCAPE 1 /* on-disk block is escaped */ +#define JFS_FLAG_SAME_UUID 2 /* block has same uuid as previous */ +#define JFS_FLAG_DELETED 4 /* block deleted by this transaction */ +#define JFS_FLAG_LAST_TAG 8 /* last tag in this descriptor block */ + + + + #define JFS_HAS_COMPAT_FEATURE(j,mask) \ ((j)->j_format_version >= 2 && \ ((j)->j_superblock->s_feature_compat & cpu_to_be32((mask)))) @@ -201,581 +161,59 @@ typedef struct journal_superblock_s #define JFS_KNOWN_ROCOMPAT_FEATURES 0 #define JFS_KNOWN_INCOMPAT_FEATURES JFS_FEATURE_INCOMPAT_REVOKE -#ifdef __KERNEL__ - -#include <linux/fs.h> -#include <linux/sched.h> - -#define JBD_ASSERTIONS -#ifdef JBD_ASSERTIONS -#define J_ASSERT(assert) \ -do { \ - if (!(assert)) { \ - printk (KERN_EMERG \ - "Assertion failure in %s() at %s:%d: \"%s\"\n", \ - __FUNCTION__, __FILE__, __LINE__, # assert); \ - BUG(); \ - } \ -} while (0) - -#if defined(CONFIG_BUFFER_DEBUG) -void buffer_assertion_failure(struct buffer_head *bh); -#define J_ASSERT_BH(bh, expr) \ - do { \ - if (!(expr)) \ - buffer_assertion_failure(bh); \ - J_ASSERT(expr); \ - } while (0) -#define J_ASSERT_JH(jh, expr) J_ASSERT_BH(jh2bh(jh), expr) -#else -#define J_ASSERT_BH(bh, expr) J_ASSERT(expr) -#define J_ASSERT_JH(jh, expr) J_ASSERT(expr) -#endif - -#else -#define J_ASSERT(assert) -#endif /* JBD_ASSERTIONS */ - -enum jbd_state_bits { - BH_JWrite - = BH_PrivateStart, /* 1 if being written to log (@@@ DEBUGGING) */ - BH_Freed, /* 1 if buffer has been freed (truncated) */ - BH_Revoked, /* 1 if buffer has been revoked from the log */ - BH_RevokeValid, /* 1 if buffer revoked flag is valid */ - BH_JBDDirty, /* 1 if buffer is dirty but journaled */ -}; - -/* Return true if the buffer is one which JBD is managing */ -static inline int buffer_jbd(struct buffer_head *bh) -{ - return __buffer_state(bh, JBD); -} - -static inline struct buffer_head *jh2bh(struct journal_head *jh) -{ - return jh->b_bh; -} - -static inline struct journal_head *bh2jh(struct buffer_head *bh) -{ - return bh->b_private; -} - -struct jbd_revoke_table_s; - -/* The handle_t type represents a single atomic update being performed - * by some process. All filesystem modifications made by the process go - * through this handle. Recursive operations (such as quota operations) - * are gathered into a single update. - * - * The buffer credits field is used to account for journaled buffers - * being modified by the running process. To ensure that there is - * enough log space for all outstanding operations, we need to limit the - * number of outstanding buffers possible at any time. When the - * operation completes, any buffer credits not used are credited back to - * the transaction, so that at all times we know how many buffers the - * outstanding updates on a transaction might possibly touch. */ - -struct handle_s -{ - /* Which compound transaction is this update a part of? */ - transaction_t * h_transaction; - - /* Number of remaining buffers we are allowed to dirty: */ - int h_buffer_credits; - - /* Reference count on this handle */ - int h_ref; +/* Comparison functions for transaction IDs: perform comparisons using + * modulo arithmetic so that they work over sequence number wraps. */ - /* Field for caller's use to track errors through large fs - operations */ - int h_err; - /* Flags */ - unsigned int h_sync: 1; /* sync-on-close */ - unsigned int h_jdata: 1; /* force data journaling */ - unsigned int h_aborted: 1; /* fatal error on handle */ -}; +/* + * Definitions which augment the buffer_head layer + */ +/* journaling buffer types */ +#define BJ_None 0 /* Not journaled */ +#define BJ_SyncData 1 /* Normal data: flush before commit */ +#define BJ_AsyncData 2 /* writepage data: wait on it before commit */ +#define BJ_Metadata 3 /* Normal journaled metadata */ +#define BJ_Forget 4 /* Buffer superceded by this transaction */ +#define BJ_IO 5 /* Buffer is for temporary IO use */ +#define BJ_Shadow 6 /* Buffer contents being shadowed to the log */ +#define BJ_LogCtl 7 /* Buffer contains log descriptors */ +#define BJ_Reserved 8 /* Buffer is reserved for access by journal */ +#define BJ_Types 9 -/* The transaction_t type is the guts of the journaling mechanism. It - * tracks a compound transaction through its various states: - * - * RUNNING: accepting new updates - * LOCKED: Updates still running but we don't accept new ones - * RUNDOWN: Updates are tidying up but have finished requesting - * new buffers to modify (state not used for now) - * FLUSH: All updates complete, but we are still writing to disk - * COMMIT: All data on disk, writing commit record - * FINISHED: We still have to keep the transaction for checkpointing. - * - * The transaction keeps track of all of the buffers modified by a - * running transaction, and all of the buffers committed but not yet - * flushed to home for finished transactions. - */ -struct transaction_s -{ - /* Pointer to the journal for this transaction. */ - journal_t * t_journal; - - /* Sequence number for this transaction */ - tid_t t_tid; - - /* Transaction's current state */ - enum { - T_RUNNING, - T_LOCKED, - T_RUNDOWN, - T_FLUSH, - T_COMMIT, - T_FINISHED - } t_state; - - /* Where in the log does this transaction's commit start? */ - unsigned long t_log_start; - - /* Doubly-linked circular list of all inodes owned by this - transaction */ /* AKPM: unused */ - struct inode * t_ilist; - - /* Number of buffers on the t_buffers list */ - int t_nr_buffers; - - /* Doubly-linked circular list of all buffers reserved but not - yet modified by this transaction */ - struct journal_head * t_reserved_list; - - /* Doubly-linked circular list of all metadata buffers owned by this - transaction */ - struct journal_head * t_buffers; - - /* - * Doubly-linked circular list of all data buffers still to be - * flushed before this transaction can be committed. - * Protected by journal_datalist_lock. - */ - struct journal_head * t_sync_datalist; - - /* - * Doubly-linked circular list of all writepage data buffers - * still to be written before this transaction can be committed. - * Protected by journal_datalist_lock. - */ - struct journal_head * t_async_datalist; - - /* Doubly-linked circular list of all forget buffers (superceded - buffers which we can un-checkpoint once this transaction - commits) */ - struct journal_head * t_forget; - - /* - * Doubly-linked circular list of all buffers still to be - * flushed before this transaction can be checkpointed. - */ - /* Protected by journal_datalist_lock */ - struct journal_head * t_checkpoint_list; - - /* Doubly-linked circular list of temporary buffers currently - undergoing IO in the log */ - struct journal_head * t_iobuf_list; - - /* Doubly-linked circular list of metadata buffers being - shadowed by log IO. The IO buffers on the iobuf list and the - shadow buffers on this list match each other one for one at - all times. */ - struct journal_head * t_shadow_list; - - /* Doubly-linked circular list of control buffers being written - to the log. */ - struct journal_head * t_log_list; - - /* Number of outstanding updates running on this transaction */ - int t_updates; - - /* Number of buffers reserved for use by all handles in this - * transaction handle but not yet modified. */ - int t_outstanding_credits; - - /* - * Forward and backward links for the circular list of all - * transactions awaiting checkpoint. - */ - /* Protected by journal_datalist_lock */ - transaction_t *t_cpnext, *t_cpprev; - - /* When will the transaction expire (become due for commit), in - * jiffies ? */ - unsigned long t_expires; - - /* How many handles used this transaction? */ - int t_handle_count; +struct kdev_s { + e2fsck_t k_ctx; + int k_dev; }; - -/* The journal_t maintains all of the journaling state information for a - * single filesystem. It is linked to from the fs superblock structure. - * - * We use the journal_t to keep track of all outstanding transaction - * activity on the filesystem, and to manage the state of the log - * writing process. */ +typedef struct kdev_s *kdev_t; +typedef unsigned int tid_t; struct journal_s { - /* General journaling state flags */ unsigned long j_flags; - - /* Is there an outstanding uncleared error on the journal (from - * a prior abort)? */ int j_errno; - - /* The superblock buffer */ struct buffer_head * j_sb_buffer; - journal_superblock_t * j_superblock; - - /* Version of the superblock format */ + struct journal_superblock_s *j_superblock; int j_format_version; - - /* Number of processes waiting to create a barrier lock */ - int j_barrier_count; - - /* The barrier lock itself */ - struct semaphore j_barrier; - - /* Transactions: The current running transaction... */ - transaction_t * j_running_transaction; - - /* ... the transaction we are pushing to disk ... */ - transaction_t * j_committing_transaction; - - /* ... and a linked circular list of all transactions waiting - * for checkpointing. */ - /* Protected by journal_datalist_lock */ - transaction_t * j_checkpoint_transactions; - - /* Wait queue for waiting for a locked transaction to start - committing, or for a barrier lock to be released */ - wait_queue_head_t j_wait_transaction_locked; - - /* Wait queue for waiting for checkpointing to complete */ - wait_queue_head_t j_wait_logspace; - - /* Wait queue for waiting for commit to complete */ - wait_queue_head_t j_wait_done_commit; - - /* Wait queue to trigger checkpointing */ - wait_queue_head_t j_wait_checkpoint; - - /* Wait queue to trigger commit */ - wait_queue_head_t j_wait_commit; - - /* Wait queue to wait for updates to complete */ - wait_queue_head_t j_wait_updates; - - /* Semaphore for locking against concurrent checkpoints */ - struct semaphore j_checkpoint_sem; - - /* The main journal lock, used by lock_journal() */ - struct semaphore j_sem; - - /* Journal head: identifies the first unused block in the journal. */ unsigned long j_head; - - /* Journal tail: identifies the oldest still-used block in the - * journal. */ unsigned long j_tail; - - /* Journal free: how many free blocks are there in the journal? */ unsigned long j_free; - - /* Journal start and end: the block numbers of the first usable - * block and one beyond the last usable block in the journal. */ unsigned long j_first, j_last; - - /* Device, blocksize and starting block offset for the location - * where we store the journal. */ kdev_t j_dev; + kdev_t j_fs_dev; int j_blocksize; unsigned int j_blk_offset; - - /* Device which holds the client fs. For internal journal this - * will be equal to j_dev. */ - kdev_t j_fs_dev; - - /* Total maximum capacity of the journal region on disk. */ unsigned int j_maxlen; - - /* Optional inode where we store the journal. If present, all - * journal block numbers are mapped into this inode via - * bmap(). */ struct inode * j_inode; - - /* Sequence number of the oldest transaction in the log */ tid_t j_tail_sequence; - /* Sequence number of the next transaction to grant */ tid_t j_transaction_sequence; - /* Sequence number of the most recently committed transaction */ - tid_t j_commit_sequence; - /* Sequence number of the most recent transaction wanting commit */ - tid_t j_commit_request; - - /* Journal uuid: identifies the object (filesystem, LVM volume - * etc) backed by this journal. This will eventually be - * replaced by an array of uuids, allowing us to index multiple - * devices within a single journal and to perform atomic updates - * across them. */ - __u8 j_uuid[16]; - - /* Pointer to the current commit thread for this journal */ - struct task_struct * j_task; - - /* Maximum number of metadata buffers to allow in a single - * compound commit transaction */ - int j_max_transaction_buffers; - - /* What is the maximum transaction lifetime before we begin a - * commit? */ - unsigned long j_commit_interval; - - /* The timer used to wakeup the commit thread: */ - struct timer_list * j_commit_timer; - int j_commit_timer_active; - - /* Link all journals together - system-wide */ - struct list_head j_all_journals; - - /* The revoke table: maintains the list of revoked blocks in the - current transaction. */ struct jbd_revoke_table_s *j_revoke; }; -/* - * Journal flag definitions - */ -#define JFS_UNMOUNT 0x001 /* Journal thread is being destroyed */ -#define JFS_ABORT 0x002 /* Journaling has been aborted for errors. */ -#define JFS_ACK_ERR 0x004 /* The errno in the sb has been acked */ -#define JFS_FLUSHED 0x008 /* The journal superblock has been flushed */ -#define JFS_LOADED 0x010 /* The journal superblock has been loaded */ - -/* - * Function declarations for the journaling transaction and buffer - * management - */ - -/* Filing buffers */ -extern void __journal_unfile_buffer(struct journal_head *); -extern void journal_unfile_buffer(struct journal_head *); -extern void __journal_refile_buffer(struct journal_head *); -extern void journal_refile_buffer(struct journal_head *); -extern void __journal_file_buffer(struct journal_head *, transaction_t *, int); -extern void __journal_free_buffer(struct journal_head *bh); -extern void journal_file_buffer(struct journal_head *, transaction_t *, int); -extern void __journal_clean_data_list(transaction_t *transaction); - -/* Log buffer allocation */ -extern struct journal_head * journal_get_descriptor_buffer(journal_t *); -extern unsigned long journal_next_log_block(journal_t *); - -/* Commit management */ -extern void journal_commit_transaction(journal_t *); - -/* Checkpoint list management */ -int __journal_clean_checkpoint_list(journal_t *journal); -extern void journal_remove_checkpoint(struct journal_head *); -extern void __journal_remove_checkpoint(struct journal_head *); -extern void journal_insert_checkpoint(struct journal_head *, transaction_t *); -extern void __journal_insert_checkpoint(struct journal_head *,transaction_t *); - -/* Buffer IO */ -extern int -journal_write_metadata_buffer(transaction_t *transaction, - struct journal_head *jh_in, - struct journal_head **jh_out, - int blocknr); - -/* Transaction locking */ -extern void __wait_on_journal (journal_t *); - -/* - * Journal locking. - * - * We need to lock the journal during transaction state changes so that - * nobody ever tries to take a handle on the running transaction while - * we are in the middle of moving it to the commit phase. - * - * Note that the locking is completely interrupt unsafe. We never touch - * journal structures from interrupts. - * - * In 2.2, the BKL was required for lock_journal. This is no longer - * the case. - */ - -static inline void lock_journal(journal_t *journal) -{ - down(&journal->j_sem); -} - -/* This returns zero if we acquired the semaphore */ -static inline int try_lock_journal(journal_t * journal) -{ - return down_trylock(&journal->j_sem); -} - -static inline void unlock_journal(journal_t * journal) -{ - up(&journal->j_sem); -} - - -static inline handle_t *journal_current_handle(void) -{ - return current->journal_info; -} - -/* The journaling code user interface: - * - * Create and destroy handles - * Register buffer modifications against the current transaction. - */ - -extern handle_t *journal_start(journal_t *, int nblocks); -extern handle_t *journal_try_start(journal_t *, int nblocks); -extern int journal_restart (handle_t *, int nblocks); -extern int journal_extend (handle_t *, int nblocks); -extern int journal_get_write_access (handle_t *, struct buffer_head *); -extern int journal_get_create_access (handle_t *, struct buffer_head *); -extern int journal_get_undo_access (handle_t *, struct buffer_head *); -extern int journal_dirty_data (handle_t *, - struct buffer_head *, int async); -extern int journal_dirty_metadata (handle_t *, struct buffer_head *); -extern void journal_release_buffer (handle_t *, struct buffer_head *); -extern void journal_forget (handle_t *, struct buffer_head *); -extern void journal_sync_buffer (struct buffer_head *); -extern int journal_flushpage(journal_t *, struct page *, unsigned long); -extern int journal_try_to_free_buffers(journal_t *, struct page *, int); -extern int journal_stop(handle_t *); -extern int journal_flush (journal_t *); - -extern void journal_lock_updates (journal_t *); -extern void journal_unlock_updates (journal_t *); - -extern journal_t * journal_init_dev(kdev_t dev, kdev_t fs_dev, - int start, int len, int bsize); -extern journal_t * journal_init_inode (struct inode *); -extern int journal_update_format (journal_t *); -extern int journal_check_used_features - (journal_t *, unsigned long, unsigned long, unsigned long); -extern int journal_check_available_features - (journal_t *, unsigned long, unsigned long, unsigned long); -extern int journal_set_features - (journal_t *, unsigned long, unsigned long, unsigned long); -extern int journal_create (journal_t *); -extern int journal_load (journal_t *journal); -extern void journal_destroy (journal_t *); -extern int journal_recover (journal_t *journal); -extern int journal_wipe (journal_t *, int); -extern int journal_skip_recovery (journal_t *); -extern void journal_update_superblock (journal_t *, int); -extern void __journal_abort (journal_t *); -extern void journal_abort (journal_t *, int); -extern int journal_errno (journal_t *); -extern void journal_ack_err (journal_t *); -extern int journal_clear_err (journal_t *); -extern unsigned long journal_bmap(journal_t *journal, unsigned long blocknr); -extern int journal_force_commit(journal_t *journal); - -/* - * journal_head management - */ -extern struct journal_head - *journal_add_journal_head(struct buffer_head *bh); -extern void journal_remove_journal_head(struct buffer_head *bh); -extern void __journal_remove_journal_head(struct buffer_head *bh); -extern void journal_unlock_journal_head(struct journal_head *jh); - -/* Primary revoke support */ -#define JOURNAL_REVOKE_DEFAULT_HASH 256 -extern int journal_init_revoke(journal_t *, int); -extern void journal_destroy_revoke_caches(void); -extern int journal_init_revoke_caches(void); - -extern void journal_destroy_revoke(journal_t *); -extern int journal_revoke (handle_t *, - unsigned long, struct buffer_head *); -extern int journal_cancel_revoke(handle_t *, struct journal_head *); -extern void journal_write_revoke_records(journal_t *, transaction_t *); - -/* Recovery revoke support */ -extern int journal_set_revoke(journal_t *, unsigned long, tid_t); -extern int journal_test_revoke(journal_t *, unsigned long, tid_t); -extern void journal_clear_revoke(journal_t *); -extern void journal_brelse_array(struct buffer_head *b[], int n); - -/* The log thread user interface: - * - * Request space in the current transaction, and force transaction commit - * transitions on demand. - */ - -extern int log_space_left (journal_t *); /* Called with journal locked */ -extern tid_t log_start_commit (journal_t *, transaction_t *); -extern void log_wait_commit (journal_t *, tid_t); -extern int log_do_checkpoint (journal_t *, int); - -extern void log_wait_for_space(journal_t *, int nblocks); -extern void __journal_drop_transaction(journal_t *, transaction_t *); -extern int cleanup_journal_tail(journal_t *); - -/* Reduce journal memory usage by flushing */ -extern void shrink_journal_memory(void); - -/* Debugging code only: */ - -#define jbd_ENOSYS() \ -do { \ - printk (KERN_ERR "JBD unimplemented function " __FUNCTION__); \ - current->state = TASK_UNINTERRUPTIBLE; \ - schedule(); \ -} while (1) - -/* - * is_journal_abort - * - * Simple test wrapper function to test the JFS_ABORT state flag. This - * bit, when set, indicates that we have had a fatal error somewhere, - * either inside the journaling layer or indicated to us by the client - * (eg. ext3), and that we and should not commit any further - * transactions. - */ - -static inline int is_journal_aborted(journal_t *journal) -{ - return journal->j_flags & JFS_ABORT; -} - -static inline int is_handle_aborted(handle_t *handle) -{ - if (handle->h_aborted) - return 1; - return is_journal_aborted(handle->h_transaction->t_journal); -} - -static inline void journal_abort_handle(handle_t *handle) -{ - handle->h_aborted = 1; -} - -/* Not all architectures define BUG() */ -#ifndef BUG -#define BUG() do { \ - printk("kernel BUG at %s:%d!\n", __FILE__, __LINE__); \ - * ((char *) 0) = 0; \ - } while (0) -#endif /* BUG */ - -#else +typedef struct journal_s journal_t; extern int journal_recover (journal_t *journal); extern int journal_skip_recovery (journal_t *); @@ -792,119 +230,6 @@ extern void journal_clear_revoke(journal_t *); extern void journal_brelse_array(struct buffer_head *b[], int n); extern void journal_destroy_revoke(journal_t *); -#endif /* __KERNEL__ */ - -/* Comparison functions for transaction IDs: perform comparisons using - * modulo arithmetic so that they work over sequence number wraps. */ - -static inline int tid_gt(tid_t x, tid_t y) -{ - int difference = (x - y); - return (difference > 0); -} - -static inline int tid_geq(tid_t x, tid_t y) -{ - int difference = (x - y); - return (difference >= 0); -} - -extern int journal_blocks_per_page(struct inode *inode); - -/* - * Definitions which augment the buffer_head layer - */ - -/* journaling buffer types */ -#define BJ_None 0 /* Not journaled */ -#define BJ_SyncData 1 /* Normal data: flush before commit */ -#define BJ_AsyncData 2 /* writepage data: wait on it before commit */ -#define BJ_Metadata 3 /* Normal journaled metadata */ -#define BJ_Forget 4 /* Buffer superceded by this transaction */ -#define BJ_IO 5 /* Buffer is for temporary IO use */ -#define BJ_Shadow 6 /* Buffer contents being shadowed to the log */ -#define BJ_LogCtl 7 /* Buffer contains log descriptors */ -#define BJ_Reserved 8 /* Buffer is reserved for access by journal */ -#define BJ_Types 9 - -extern int jbd_blocks_per_page(struct inode *inode); - -#ifdef __KERNEL__ - -extern spinlock_t jh_splice_lock; -/* - * Once `expr1' has been found true, take jh_splice_lock - * and then reevaluate everything. - */ -#define SPLICE_LOCK(expr1, expr2) \ - ({ \ - int ret = (expr1); \ - if (ret) { \ - spin_lock(&jh_splice_lock); \ - ret = (expr1) && (expr2); \ - spin_unlock(&jh_splice_lock); \ - } \ - ret; \ - }) - -/* - * A number of buffer state predicates. They test for - * buffer_jbd() because they are used in core kernel code. - * - * These will be racy on SMP unless we're *sure* that the - * buffer won't be detached from the journalling system - * in parallel. - */ - -/* Return true if the buffer is on journal list `list' */ -static inline int buffer_jlist_eq(struct buffer_head *bh, int list) -{ - return SPLICE_LOCK(buffer_jbd(bh), bh2jh(bh)->b_jlist == list); -} - -/* Return true if this bufer is dirty wrt the journal */ -static inline int buffer_jdirty(struct buffer_head *bh) -{ - return buffer_jbd(bh) && __buffer_state(bh, JBDDirty); -} - -/* Return true if it's a data buffer which journalling is managing */ -static inline int buffer_jbd_data(struct buffer_head *bh) -{ - return SPLICE_LOCK(buffer_jbd(bh), - bh2jh(bh)->b_jlist == BJ_SyncData || - bh2jh(bh)->b_jlist == BJ_AsyncData); -} - -#ifdef CONFIG_SMP -#define assert_spin_locked(lock) J_ASSERT(spin_is_locked(lock)) -#else -#define assert_spin_locked(lock) do {} while(0) -#endif - -#define buffer_trace_init(bh) do {} while (0) -#define print_buffer_fields(bh) do {} while (0) -#define print_buffer_trace(bh) do {} while (0) -#define BUFFER_TRACE(bh, info) do {} while (0) -#define BUFFER_TRACE2(bh, bh2, info) do {} while (0) -#define JBUFFER_TRACE(jh, info) do {} while (0) - -#endif /* __KERNEL__ */ - -#endif /* CONFIG_JBD || CONFIG_JBD_MODULE || !__KERNEL__ */ - -/* - * Compatibility no-ops which allow the kernel to compile without CONFIG_JBD - * go here. - */ - -#if defined(__KERNEL__) && !(defined(CONFIG_JBD) || defined(CONFIG_JBD_MODULE)) -#define J_ASSERT(expr) do {} while (0) -#define J_ASSERT_BH(bh, expr) do {} while (0) -#define buffer_jbd(bh) 0 -#define buffer_jlist_eq(bh, val) 0 -#define journal_buffer_journal_lru(bh) 0 -#endif /* defined(__KERNEL__) && !defined(CONFIG_JBD) */ #endif /* _LINUX_JBD_H */ diff --git a/e2fsprogs/ext2fs/mkjournal.c b/e2fsprogs/ext2fs/mkjournal.c index 0a9ae7a..47a4590 100644 --- a/e2fsprogs/ext2fs/mkjournal.c +++ b/e2fsprogs/ext2fs/mkjournal.c @@ -34,8 +34,9 @@ #include "ext2_fs.h" #include "../e2p/e2p.h" +#include "../e2fsck.h" #include "ext2fs.h" -#include "jfs_user.h" +#include "kernel-jbd.h" /* * This function automatically sets up the journal superblock and diff --git a/e2fsprogs/tune2fs.c b/e2fsprogs/tune2fs.c index 2bd9a65..65ff445 100644 --- a/e2fsprogs/tune2fs.c +++ b/e2fsprogs/tune2fs.c @@ -39,7 +39,7 @@ #include "ext2fs/ext2fs.h" #include "uuid/uuid.h" #include "e2p/e2p.h" -#include "ext2fs/jfs_user.h" +#include "ext2fs/kernel-jbd.h" #include "util.h" #include "blkid/blkid.h" |