diff options
Diffstat (limited to 'e2fsprogs/e2fsck/super.c')
| -rw-r--r-- | e2fsprogs/e2fsck/super.c | 713 |
1 files changed, 713 insertions, 0 deletions
diff --git a/e2fsprogs/e2fsck/super.c b/e2fsprogs/e2fsck/super.c new file mode 100644 index 0000000..294cd80 --- /dev/null +++ b/e2fsprogs/e2fsck/super.c @@ -0,0 +1,713 @@ +/* + * e2fsck.c - superblock checks + * + * Copyright (C) 1993, 1994, 1995, 1996, 1997 Theodore Ts'o. + * + * %Begin-Header% + * This file may be redistributed under the terms of the GNU Public + * License. + * %End-Header% + */ + +#ifdef HAVE_ERRNO_H +#include <errno.h> +#endif + +#ifndef EXT2_SKIP_UUID +#include "uuid/uuid.h" +#endif +#include "e2fsck.h" +#include "problem.h" + +#define MIN_CHECK 1 +#define MAX_CHECK 2 + +static void check_super_value(e2fsck_t ctx, const char *descr, + unsigned long value, int flags, + unsigned long min_val, unsigned long max_val) +{ + struct problem_context pctx; + + if (((flags & MIN_CHECK) && (value < min_val)) || + ((flags & MAX_CHECK) && (value > max_val))) { + clear_problem_context(&pctx); + pctx.num = value; + pctx.str = descr; + fix_problem(ctx, PR_0_MISC_CORRUPT_SUPER, &pctx); + ctx->flags |= E2F_FLAG_ABORT; /* never get here! */ + } +} + +/* + * This routine may get stubbed out in special compilations of the + * e2fsck code.. + */ +#ifndef EXT2_SPECIAL_DEVICE_SIZE +errcode_t e2fsck_get_device_size(e2fsck_t ctx) +{ + return (ext2fs_get_device_size(ctx->filesystem_name, + EXT2_BLOCK_SIZE(ctx->fs->super), + &ctx->num_blocks)); +} +#endif + +/* + * helper function to release an inode + */ +struct process_block_struct { + e2fsck_t ctx; + char *buf; + struct problem_context *pctx; + int truncating; + int truncate_offset; + e2_blkcnt_t truncate_block; + int truncated_blocks; + int abort; + errcode_t errcode; +}; + +static int release_inode_block(ext2_filsys fs, + blk_t *block_nr, + e2_blkcnt_t blockcnt, + blk_t ref_blk EXT2FS_ATTR((unused)), + int ref_offset EXT2FS_ATTR((unused)), + void *priv_data) +{ + struct process_block_struct *pb; + e2fsck_t ctx; + struct problem_context *pctx; + blk_t blk = *block_nr; + int retval = 0; + + pb = (struct process_block_struct *) priv_data; + ctx = pb->ctx; + pctx = pb->pctx; + + pctx->blk = blk; + pctx->blkcount = blockcnt; + + if (HOLE_BLKADDR(blk)) + return 0; + + if ((blk < fs->super->s_first_data_block) || + (blk >= fs->super->s_blocks_count)) { + fix_problem(ctx, PR_0_ORPHAN_ILLEGAL_BLOCK_NUM, pctx); + return_abort: + pb->abort = 1; + return BLOCK_ABORT; + } + + if (!ext2fs_test_block_bitmap(fs->block_map, blk)) { + fix_problem(ctx, PR_0_ORPHAN_ALREADY_CLEARED_BLOCK, pctx); + goto return_abort; + } + + /* + * If we are deleting an orphan, then we leave the fields alone. + * If we are truncating an orphan, then update the inode fields + * and clean up any partial block data. + */ + if (pb->truncating) { + /* + * We only remove indirect blocks if they are + * completely empty. + */ + if (blockcnt < 0) { + int i, limit; + blk_t *bp; + + pb->errcode = io_channel_read_blk(fs->io, blk, 1, + pb->buf); + if (pb->errcode) + goto return_abort; + + limit = fs->blocksize >> 2; + for (i = 0, bp = (blk_t *) pb->buf; + i < limit; i++, bp++) + if (*bp) + return 0; + } + /* + * We don't remove direct blocks until we've reached + * the truncation block. + */ + if (blockcnt >= 0 && blockcnt < pb->truncate_block) + return 0; + /* + * If part of the last block needs truncating, we do + * it here. + */ + if ((blockcnt == pb->truncate_block) && pb->truncate_offset) { + pb->errcode = io_channel_read_blk(fs->io, blk, 1, + pb->buf); + if (pb->errcode) + goto return_abort; + memset(pb->buf + pb->truncate_offset, 0, + fs->blocksize - pb->truncate_offset); + pb->errcode = io_channel_write_blk(fs->io, blk, 1, + pb->buf); + if (pb->errcode) + goto return_abort; + } + pb->truncated_blocks++; + *block_nr = 0; + retval |= BLOCK_CHANGED; + } + + ext2fs_block_alloc_stats(fs, blk, -1); + return retval; +} + +/* + * This function releases an inode. Returns 1 if an inconsistency was + * found. If the inode has a link count, then it is being truncated and + * not deleted. + */ +static int release_inode_blocks(e2fsck_t ctx, ext2_ino_t ino, + struct ext2_inode *inode, char *block_buf, + struct problem_context *pctx) +{ + struct process_block_struct pb; + ext2_filsys fs = ctx->fs; + errcode_t retval; + __u32 count; + + if (!ext2fs_inode_has_valid_blocks(inode)) + return 0; + + pb.buf = block_buf + 3 * ctx->fs->blocksize; + pb.ctx = ctx; + pb.abort = 0; + pb.errcode = 0; + pb.pctx = pctx; + if (inode->i_links_count) { + pb.truncating = 1; + pb.truncate_block = (e2_blkcnt_t) + ((((long long)inode->i_size_high << 32) + + inode->i_size + fs->blocksize - 1) / + fs->blocksize); + pb.truncate_offset = inode->i_size % fs->blocksize; + } else { + pb.truncating = 0; + pb.truncate_block = 0; + pb.truncate_offset = 0; + } + pb.truncated_blocks = 0; + retval = ext2fs_block_iterate2(fs, ino, BLOCK_FLAG_DEPTH_TRAVERSE, + block_buf, release_inode_block, &pb); + if (retval) { + com_err("release_inode_blocks", retval, + _("while calling ext2fs_block_iterate for inode %d"), + ino); + return 1; + } + if (pb.abort) + return 1; + + /* Refresh the inode since ext2fs_block_iterate may have changed it */ + e2fsck_read_inode(ctx, ino, inode, "release_inode_blocks"); + + if (pb.truncated_blocks) + inode->i_blocks -= pb.truncated_blocks * + (fs->blocksize / 512); + + if (inode->i_file_acl) { + retval = ext2fs_adjust_ea_refcount(fs, inode->i_file_acl, + block_buf, -1, &count); + if (retval == EXT2_ET_BAD_EA_BLOCK_NUM) { + retval = 0; + count = 1; + } + if (retval) { + com_err("release_inode_blocks", retval, + _("while calling ext2fs_adjust_ea_refocunt for inode %d"), + ino); + return 1; + } + if (count == 0) + ext2fs_block_alloc_stats(fs, inode->i_file_acl, -1); + inode->i_file_acl = 0; + } + return 0; +} + +/* + * This function releases all of the orphan inodes. It returns 1 if + * it hit some error, and 0 on success. + */ +static int release_orphan_inodes(e2fsck_t ctx) +{ + ext2_filsys fs = ctx->fs; + ext2_ino_t ino, next_ino; + struct ext2_inode inode; + struct problem_context pctx; + char *block_buf; + + if ((ino = fs->super->s_last_orphan) == 0) + return 0; + + /* + * Win or lose, we won't be using the head of the orphan inode + * list again. + */ + fs->super->s_last_orphan = 0; + ext2fs_mark_super_dirty(fs); + + /* + * If the filesystem contains errors, don't run the orphan + * list, since the orphan list can't be trusted; and we're + * going to be running a full e2fsck run anyway... + */ + if (fs->super->s_state & EXT2_ERROR_FS) + return 0; + + if ((ino < EXT2_FIRST_INODE(fs->super)) || + (ino > fs->super->s_inodes_count)) { + clear_problem_context(&pctx); + pctx.ino = ino; + fix_problem(ctx, PR_0_ORPHAN_ILLEGAL_HEAD_INODE, &pctx); + return 1; + } + + block_buf = (char *) e2fsck_allocate_memory(ctx, fs->blocksize * 4, + "block iterate buffer"); + e2fsck_read_bitmaps(ctx); + + while (ino) { + e2fsck_read_inode(ctx, ino, &inode, "release_orphan_inodes"); + clear_problem_context(&pctx); + pctx.ino = ino; + pctx.inode = &inode; + pctx.str = inode.i_links_count ? _("Truncating") : + _("Clearing"); + + fix_problem(ctx, PR_0_ORPHAN_CLEAR_INODE, &pctx); + + next_ino = inode.i_dtime; + if (next_ino && + ((next_ino < EXT2_FIRST_INODE(fs->super)) || + (next_ino > fs->super->s_inodes_count))) { + pctx.ino = next_ino; + fix_problem(ctx, PR_0_ORPHAN_ILLEGAL_INODE, &pctx); + goto return_abort; + } + + if (release_inode_blocks(ctx, ino, &inode, block_buf, &pctx)) + goto return_abort; + + if (!inode.i_links_count) { + ext2fs_inode_alloc_stats2(fs, ino, -1, + LINUX_S_ISDIR(inode.i_mode)); + inode.i_dtime = time(0); + } else { + inode.i_dtime = 0; + } + e2fsck_write_inode(ctx, ino, &inode, "delete_file"); + ino = next_ino; + } + ext2fs_free_mem(&block_buf); + return 0; +return_abort: + ext2fs_free_mem(&block_buf); + return 1; +} + +/* + * Check the resize inode to make sure it is sane. We check both for + * the case where on-line resizing is not enabled (in which case the + * resize inode should be cleared) as well as the case where on-line + * resizing is enabled. + */ +void check_resize_inode(e2fsck_t ctx) +{ + ext2_filsys fs = ctx->fs; + struct ext2_inode inode; + struct problem_context pctx; + int i, j, gdt_off, ind_off; + blk_t blk, pblk, expect; + __u32 *dind_buf = 0, *ind_buf; + errcode_t retval; + + clear_problem_context(&pctx); + + /* + * If the resize inode feature isn't set, then + * s_reserved_gdt_blocks must be zero. + */ + if (!(fs->super->s_feature_compat & + EXT2_FEATURE_COMPAT_RESIZE_INODE)) { + if (fs->super->s_reserved_gdt_blocks) { + pctx.num = fs->super->s_reserved_gdt_blocks; + if (fix_problem(ctx, PR_0_NONZERO_RESERVED_GDT_BLOCKS, + &pctx)) { + fs->super->s_reserved_gdt_blocks = 0; + ext2fs_mark_super_dirty(fs); + } + } + } + + /* Read the resizde inode */ + pctx.ino = EXT2_RESIZE_INO; + retval = ext2fs_read_inode(fs, EXT2_RESIZE_INO, &inode); + if (retval) { + if (fs->super->s_feature_compat & + EXT2_FEATURE_COMPAT_RESIZE_INODE) + ctx->flags |= E2F_FLAG_RESIZE_INODE; + return; + } + + /* + * If the resize inode feature isn't set, check to make sure + * the resize inode is cleared; then we're done. + */ + if (!(fs->super->s_feature_compat & + EXT2_FEATURE_COMPAT_RESIZE_INODE)) { + for (i=0; i < EXT2_N_BLOCKS; i++) { + if (inode.i_block[i]) + break; + } + if ((i < EXT2_N_BLOCKS) && + fix_problem(ctx, PR_0_CLEAR_RESIZE_INODE, &pctx)) { + memset(&inode, 0, sizeof(inode)); + e2fsck_write_inode(ctx, EXT2_RESIZE_INO, &inode, + "clear_resize"); + } + return; + } + + /* + * The resize inode feature is enabled; check to make sure the + * only block in use is the double indirect block + */ + blk = inode.i_block[EXT2_DIND_BLOCK]; + for (i=0; i < EXT2_N_BLOCKS; i++) { + if (i != EXT2_DIND_BLOCK && inode.i_block[i]) + break; + } + if ((i < EXT2_N_BLOCKS) || !blk || !inode.i_links_count || + !(inode.i_mode & LINUX_S_IFREG) || + (blk < fs->super->s_first_data_block || + blk >= fs->super->s_blocks_count)) { + resize_inode_invalid: + if (fix_problem(ctx, PR_0_RESIZE_INODE_INVALID, &pctx)) { + memset(&inode, 0, sizeof(inode)); + e2fsck_write_inode(ctx, EXT2_RESIZE_INO, &inode, + "clear_resize"); + ctx->flags |= E2F_FLAG_RESIZE_INODE; + } + if (!(ctx->options & E2F_OPT_READONLY)) { + fs->super->s_state &= ~EXT2_VALID_FS; + ext2fs_mark_super_dirty(fs); + } + goto cleanup; + } + dind_buf = (__u32 *) e2fsck_allocate_memory(ctx, fs->blocksize * 2, + "resize dind buffer"); + ind_buf = (__u32 *) ((char *) dind_buf + fs->blocksize); + + retval = ext2fs_read_ind_block(fs, blk, dind_buf); + if (retval) + goto resize_inode_invalid; + + gdt_off = fs->desc_blocks; + pblk = fs->super->s_first_data_block + 1 + fs->desc_blocks; + for (i = 0; i < fs->super->s_reserved_gdt_blocks / 4; + i++, gdt_off++, pblk++) { + gdt_off %= fs->blocksize/4; + if (dind_buf[gdt_off] != pblk) + goto resize_inode_invalid; + retval = ext2fs_read_ind_block(fs, pblk, ind_buf); + if (retval) + goto resize_inode_invalid; + ind_off = 0; + for (j = 1; j < fs->group_desc_count; j++) { + if (!ext2fs_bg_has_super(fs, j)) + continue; + expect = pblk + (j * fs->super->s_blocks_per_group); + if (ind_buf[ind_off] != expect) + goto resize_inode_invalid; + ind_off++; + } + } + +cleanup: + if (dind_buf) + ext2fs_free_mem(&dind_buf); + + } + +void check_super_block(e2fsck_t ctx) +{ + ext2_filsys fs = ctx->fs; + blk_t first_block, last_block; + struct ext2_super_block *sb = fs->super; + struct ext2_group_desc *gd; + blk_t blocks_per_group = fs->super->s_blocks_per_group; + blk_t bpg_max; + int inodes_per_block; + int ipg_max; + int inode_size; + dgrp_t i; + blk_t should_be; + struct problem_context pctx; + __u32 free_blocks = 0, free_inodes = 0; + + inodes_per_block = EXT2_INODES_PER_BLOCK(fs->super); + ipg_max = inodes_per_block * (blocks_per_group - 4); + if (ipg_max > EXT2_MAX_INODES_PER_GROUP(sb)) + ipg_max = EXT2_MAX_INODES_PER_GROUP(sb); + bpg_max = 8 * EXT2_BLOCK_SIZE(sb); + if (bpg_max > EXT2_MAX_BLOCKS_PER_GROUP(sb)) + bpg_max = EXT2_MAX_BLOCKS_PER_GROUP(sb); + + ctx->invalid_inode_bitmap_flag = (int *) e2fsck_allocate_memory(ctx, + sizeof(int) * fs->group_desc_count, "invalid_inode_bitmap"); + ctx->invalid_block_bitmap_flag = (int *) e2fsck_allocate_memory(ctx, + sizeof(int) * fs->group_desc_count, "invalid_block_bitmap"); + ctx->invalid_inode_table_flag = (int *) e2fsck_allocate_memory(ctx, + sizeof(int) * fs->group_desc_count, "invalid_inode_table"); + + clear_problem_context(&pctx); + + /* + * Verify the super block constants... + */ + check_super_value(ctx, "inodes_count", sb->s_inodes_count, + MIN_CHECK, 1, 0); + check_super_value(ctx, "blocks_count", sb->s_blocks_count, + MIN_CHECK, 1, 0); + check_super_value(ctx, "first_data_block", sb->s_first_data_block, + MAX_CHECK, 0, sb->s_blocks_count); + check_super_value(ctx, "log_block_size", sb->s_log_block_size, + MIN_CHECK | MAX_CHECK, 0, + EXT2_MAX_BLOCK_LOG_SIZE - EXT2_MIN_BLOCK_LOG_SIZE); + check_super_value(ctx, "log_frag_size", sb->s_log_frag_size, + MIN_CHECK | MAX_CHECK, 0, sb->s_log_block_size); + check_super_value(ctx, "frags_per_group", sb->s_frags_per_group, + MIN_CHECK | MAX_CHECK, sb->s_blocks_per_group, + bpg_max); + check_super_value(ctx, "blocks_per_group", sb->s_blocks_per_group, + MIN_CHECK | MAX_CHECK, 8, bpg_max); + check_super_value(ctx, "inodes_per_group", sb->s_inodes_per_group, + MIN_CHECK | MAX_CHECK, inodes_per_block, ipg_max); + check_super_value(ctx, "r_blocks_count", sb->s_r_blocks_count, + MAX_CHECK, 0, sb->s_blocks_count / 2); + check_super_value(ctx, "reserved_gdt_blocks", + sb->s_reserved_gdt_blocks, MAX_CHECK, 0, + fs->blocksize/4); + inode_size = EXT2_INODE_SIZE(sb); + check_super_value(ctx, "inode_size", + inode_size, MIN_CHECK | MAX_CHECK, + EXT2_GOOD_OLD_INODE_SIZE, fs->blocksize); + if (inode_size & (inode_size - 1)) { + pctx.num = inode_size; + pctx.str = "inode_size"; + fix_problem(ctx, PR_0_MISC_CORRUPT_SUPER, &pctx); + ctx->flags |= E2F_FLAG_ABORT; /* never get here! */ + return; + } + + if (!ctx->num_blocks) { + pctx.errcode = e2fsck_get_device_size(ctx); + if (pctx.errcode && pctx.errcode != EXT2_ET_UNIMPLEMENTED) { + fix_problem(ctx, PR_0_GETSIZE_ERROR, &pctx); + ctx->flags |= E2F_FLAG_ABORT; + return; + } + if ((pctx.errcode != EXT2_ET_UNIMPLEMENTED) && + (ctx->num_blocks < sb->s_blocks_count)) { + pctx.blk = sb->s_blocks_count; + pctx.blk2 = ctx->num_blocks; + if (fix_problem(ctx, PR_0_FS_SIZE_WRONG, &pctx)) { + ctx->flags |= E2F_FLAG_ABORT; + return; + } + } + } + + if (sb->s_log_block_size != (__u32) sb->s_log_frag_size) { + pctx.blk = EXT2_BLOCK_SIZE(sb); + pctx.blk2 = EXT2_FRAG_SIZE(sb); + fix_problem(ctx, PR_0_NO_FRAGMENTS, &pctx); + ctx->flags |= E2F_FLAG_ABORT; + return; + } + + should_be = sb->s_frags_per_group >> + (sb->s_log_block_size - sb->s_log_frag_size); + if (sb->s_blocks_per_group != should_be) { + pctx.blk = sb->s_blocks_per_group; + pctx.blk2 = should_be; + fix_problem(ctx, PR_0_BLOCKS_PER_GROUP, &pctx); + ctx->flags |= E2F_FLAG_ABORT; + return; + } + + should_be = (sb->s_log_block_size == 0) ? 1 : 0; + if (sb->s_first_data_block != should_be) { + pctx.blk = sb->s_first_data_block; + pctx.blk2 = should_be; + fix_problem(ctx, PR_0_FIRST_DATA_BLOCK, &pctx); + ctx->flags |= E2F_FLAG_ABORT; + return; + } + + should_be = sb->s_inodes_per_group * fs->group_desc_count; + if (sb->s_inodes_count != should_be) { + pctx.ino = sb->s_inodes_count; + pctx.ino2 = should_be; + if (fix_problem(ctx, PR_0_INODE_COUNT_WRONG, &pctx)) { + sb->s_inodes_count = should_be; + ext2fs_mark_super_dirty(fs); + } + } + + /* + * Verify the group descriptors.... + */ + first_block = sb->s_first_data_block; + last_block = first_block + blocks_per_group; + + for (i = 0, gd=fs->group_desc; i < fs->group_desc_count; i++, gd++) { + pctx.group = i; + + if (i == fs->group_desc_count - 1) + last_block = sb->s_blocks_count; + if ((gd->bg_block_bitmap < first_block) || + (gd->bg_block_bitmap >= last_block)) { + pctx.blk = gd->bg_block_bitmap; + if (fix_problem(ctx, PR_0_BB_NOT_GROUP, &pctx)) + gd->bg_block_bitmap = 0; + } + if (gd->bg_block_bitmap == 0) { + ctx->invalid_block_bitmap_flag[i]++; + ctx->invalid_bitmaps++; + } + if ((gd->bg_inode_bitmap < first_block) || + (gd->bg_inode_bitmap >= last_block)) { + pctx.blk = gd->bg_inode_bitmap; + if (fix_problem(ctx, PR_0_IB_NOT_GROUP, &pctx)) + gd->bg_inode_bitmap = 0; + } + if (gd->bg_inode_bitmap == 0) { + ctx->invalid_inode_bitmap_flag[i]++; + ctx->invalid_bitmaps++; + } + if ((gd->bg_inode_table < first_block) || + ((gd->bg_inode_table + + fs->inode_blocks_per_group - 1) >= last_block)) { + pctx.blk = gd->bg_inode_table; + if (fix_problem(ctx, PR_0_ITABLE_NOT_GROUP, &pctx)) + gd->bg_inode_table = 0; + } + if (gd->bg_inode_table == 0) { + ctx->invalid_inode_table_flag[i]++; + ctx->invalid_bitmaps++; + } + free_blocks += gd->bg_free_blocks_count; + free_inodes += gd->bg_free_inodes_count; + first_block += sb->s_blocks_per_group; + last_block += sb->s_blocks_per_group; + + if ((gd->bg_free_blocks_count > sb->s_blocks_per_group) || + (gd->bg_free_inodes_count > sb->s_inodes_per_group) || + (gd->bg_used_dirs_count > sb->s_inodes_per_group)) + ext2fs_unmark_valid(fs); + + } + + /* + * Update the global counts from the block group counts. This + * is needed for an experimental patch which eliminates + * locking the entire filesystem when allocating blocks or + * inodes; if the filesystem is not unmounted cleanly, the + * global counts may not be accurate. + */ + if ((free_blocks != sb->s_free_blocks_count) || + (free_inodes != sb->s_free_inodes_count)) { + if (ctx->options & E2F_OPT_READONLY) + ext2fs_unmark_valid(fs); + else { + sb->s_free_blocks_count = free_blocks; + sb->s_free_inodes_count = free_inodes; + ext2fs_mark_super_dirty(fs); + } + } + + if ((sb->s_free_blocks_count > sb->s_blocks_count) || + (sb->s_free_inodes_count > sb->s_inodes_count)) + ext2fs_unmark_valid(fs); + + + /* + * If we have invalid bitmaps, set the error state of the + * filesystem. + */ + if (ctx->invalid_bitmaps && !(ctx->options & E2F_OPT_READONLY)) { + sb->s_state &= ~EXT2_VALID_FS; + ext2fs_mark_super_dirty(fs); + } + + clear_problem_context(&pctx); + +#ifndef EXT2_SKIP_UUID + /* + * If the UUID field isn't assigned, assign it. + */ + if (!(ctx->options & E2F_OPT_READONLY) && uuid_is_null(sb->s_uuid)) { + if (fix_problem(ctx, PR_0_ADD_UUID, &pctx)) { + uuid_generate(sb->s_uuid); + ext2fs_mark_super_dirty(fs); + fs->flags &= ~EXT2_FLAG_MASTER_SB_ONLY; + } + } +#endif + + /* + * For the Hurd, check to see if the filetype option is set, + * since it doesn't support it. + */ + if (!(ctx->options & E2F_OPT_READONLY) && + fs->super->s_creator_os == EXT2_OS_HURD && + (fs->super->s_feature_incompat & + EXT2_FEATURE_INCOMPAT_FILETYPE)) { + if (fix_problem(ctx, PR_0_HURD_CLEAR_FILETYPE, &pctx)) { + fs->super->s_feature_incompat &= + ~EXT2_FEATURE_INCOMPAT_FILETYPE; + ext2fs_mark_super_dirty(fs); + + } + } + + /* + * If we have any of the compatibility flags set, we need to have a + * revision 1 filesystem. Most kernels will not check the flags on + * a rev 0 filesystem and we may have corruption issues because of + * the incompatible changes to the filesystem. + */ + if (!(ctx->options & E2F_OPT_READONLY) && + fs->super->s_rev_level == EXT2_GOOD_OLD_REV && + (fs->super->s_feature_compat || + fs->super->s_feature_ro_compat || + fs->super->s_feature_incompat) && + fix_problem(ctx, PR_0_FS_REV_LEVEL, &pctx)) { + ext2fs_update_dynamic_rev(fs); + ext2fs_mark_super_dirty(fs); + } + + check_resize_inode(ctx); + + /* + * Clean up any orphan inodes, if present. + */ + if (!(ctx->options & E2F_OPT_READONLY) && release_orphan_inodes(ctx)) { + fs->super->s_state &= ~EXT2_VALID_FS; + ext2fs_mark_super_dirty(fs); + } + + /* + * Move the ext3 journal file, if necessary. + */ + e2fsck_move_ext3_journal(ctx); + return; +} |