struct ext2_super_block *sb = ctx->fs->super;
struct ext2_inode_large *inode;
struct ext2_ext_attr_entry *entry;
- char *start, *end;
+ char *start;
unsigned int storage_size, remain;
int problem = 0;
inode->i_extra_isize;
start = ((char *) inode) + EXT2_GOOD_OLD_INODE_SIZE +
inode->i_extra_isize + sizeof(__u32);
- end = (char *) inode + EXT2_INODE_SIZE(ctx->fs->super);
entry = (struct ext2_ext_attr_entry *) start;
/* scan all entry's headers first */
/* read the first block */
ehandler_operation(_("reading directory block"));
- retval = ext2fs_read_dir_block3(ctx->fs, blk, buf, 0);
+ retval = ext2fs_read_dir_block4(ctx->fs, blk, buf, 0, pctx->ino);
ehandler_operation(0);
if (retval)
return;
*ret = 0;
}
+static errcode_t recheck_bad_inode_checksum(ext2_filsys fs, ext2_ino_t ino,
+ e2fsck_t ctx,
+ struct problem_context *pctx)
+{
+ errcode_t retval;
+ struct ext2_inode_large inode;
+
+ /*
+ * Reread inode. If we don't see checksum error, then this inode
+ * has been fixed elsewhere.
+ */
+ retval = ext2fs_read_inode_full(fs, ino, (struct ext2_inode *)&inode,
+ sizeof(inode));
+ if (retval && retval != EXT2_ET_INODE_CSUM_INVALID)
+ return retval;
+ if (!retval)
+ return 0;
+
+ /*
+ * Checksum still doesn't match. That implies that the inode passes
+ * all the sanity checks, so maybe the checksum is simply corrupt.
+ * See if the user will go for fixing that.
+ */
+ if (!fix_problem(ctx, PR_1_INODE_ONLY_CSUM_INVALID, pctx))
+ return 0;
+
+ retval = ext2fs_write_inode_full(fs, ino, (struct ext2_inode *)&inode,
+ sizeof(inode));
+ if (retval)
+ return retval;
+
+ return 0;
+}
+
void e2fsck_pass1(e2fsck_t ctx)
{
int i;
int imagic_fs, extent_fs;
int busted_fs_time = 0;
int inode_size;
+ int failed_csum = 0;
init_resource_track(&rtrack, ctx->fs->io);
clear_problem_context(&pctx);
ext2fs_mark_block_bitmap2(ctx->block_found_map,
fs->super->s_mmp_block);
+ /* Set up ctx->lost_and_found if possible */
+ (void) e2fsck_get_lost_and_found(ctx, 0);
+
while (1) {
if (ino % (fs->super->s_inodes_per_group * 4) == 1) {
if (e2fsck_mmp_update(fs))
ext2fs_mark_inode_bitmap2(ctx->inode_used_map, ino);
continue;
}
- if (pctx.errcode) {
+ if (pctx.errcode &&
+ pctx.errcode != EXT2_ET_INODE_CSUM_INVALID) {
fix_problem(ctx, PR_1_ISCAN_ERROR, &pctx);
ctx->flags |= E2F_FLAG_ABORT;
return;
pctx.ino = ino;
pctx.inode = inode;
ctx->stashed_ino = ino;
+
+ /* Clear corrupt inode? */
+ if (pctx.errcode == EXT2_ET_INODE_CSUM_INVALID) {
+ if (fix_problem(ctx, PR_1_INODE_CSUM_INVALID, &pctx))
+ goto clear_inode;
+ failed_csum = 1;
+ }
+
if (inode->i_links_count) {
pctx.errcode = ext2fs_icount_store(ctx->inode_link_info,
ino, inode->i_links_count);
} else
check_blocks(ctx, &pctx, block_buf);
+ /*
+ * If the inode failed the checksum and the user didn't
+ * clear the inode, test the checksum again -- if it still
+ * fails, ask the user if the checksum should be corrected.
+ */
+ if (failed_csum) {
+ pctx.errcode = recheck_bad_inode_checksum(fs, ino, ctx,
+ &pctx);
+ if (pctx.errcode) {
+ ctx->flags |= E2F_FLAG_ABORT;
+ return;
+ }
+ }
+
if (ctx->flags & E2F_FLAG_SIGNAL_MASK)
return;
ext2fs_free_mem(&block_buf);
ext2fs_free_mem(&inode);
+ /*
+ * The l+f inode may have been cleared, so zap it now and
+ * later passes will recalculate it if necessary
+ */
+ ctx->lost_and_found = 0;
+
print_resource_track(ctx, _("Pass 1"), &rtrack, ctx->fs->io);
}
}
}
+static _INLINE_ void mark_blocks_used(e2fsck_t ctx, blk64_t block,
+ unsigned int num)
+{
+ if (ext2fs_test_block_bitmap_range2(ctx->block_found_map, block, num))
+ ext2fs_mark_block_bitmap_range2(ctx->block_found_map, block, num);
+ else
+ while (num--)
+ mark_block_used(ctx, block++);
+}
+
/*
* Adjust the extended attribute block's reference counts at the end
* of pass 1, either by subtracting out references for EA blocks that
if ((blk = ea_refcount_intr_next(refcount, &count)) == 0)
break;
pctx.blk = blk;
- pctx.errcode = ext2fs_read_ext_attr2(fs, blk, block_buf);
+ pctx.errcode = ext2fs_read_ext_attr3(fs, blk, block_buf,
+ pctx.ino);
if (pctx.errcode) {
fix_problem(ctx, PR_1_EXTATTR_READ_ABORT, &pctx);
return;
pctx.num = should_be;
if (fix_problem(ctx, PR_1_EXTATTR_REFCOUNT, &pctx)) {
header->h_refcount = should_be;
- pctx.errcode = ext2fs_write_ext_attr2(fs, blk,
- block_buf);
+ pctx.errcode = ext2fs_write_ext_attr3(fs, blk,
+ block_buf,
+ pctx.ino);
if (pctx.errcode) {
fix_problem(ctx, PR_1_EXTATTR_WRITE_ABORT,
&pctx);
struct ext2_ext_attr_entry *entry;
int count;
region_t region = 0;
+ int failed_csum = 0;
blk = ext2fs_file_acl_block(fs, inode);
if (blk == 0)
* validate it
*/
pctx->blk = blk;
- pctx->errcode = ext2fs_read_ext_attr2(fs, blk, block_buf);
+ pctx->errcode = ext2fs_read_ext_attr3(fs, blk, block_buf, pctx->ino);
+ if (pctx->errcode == EXT2_ET_EXT_ATTR_CSUM_INVALID) {
+ if (fix_problem(ctx, PR_1_EA_BLOCK_CSUM_INVALID, pctx))
+ goto clear_extattr;
+ failed_csum = 1;
+ }
if (pctx->errcode && fix_problem(ctx, PR_1_READ_EA_BLOCK, pctx))
goto clear_extattr;
header = (struct ext2_ext_attr_header *) block_buf;
}
region_free(region);
+ /*
+ * We only get here if there was no other errors that were fixed.
+ * If there was a checksum fail, ask to correct it.
+ */
+ if (failed_csum &&
+ fix_problem(ctx, PR_1_EA_BLOCK_ONLY_CSUM_INVALID, pctx)) {
+ pctx->errcode = ext2fs_write_ext_attr3(fs, blk, block_buf,
+ pctx->ino);
+ if (pctx->errcode)
+ return 0;
+ }
+
count = header->h_refcount - 1;
if (count)
ea_refcount_store(ctx->refcount, blk, count);
int is_dir, is_leaf;
errcode_t problem;
struct ext2_extent_info info;
+ int failed_csum;
pctx->errcode = ext2fs_extent_get_info(ehandle, &info);
if (pctx->errcode)
pctx->errcode = ext2fs_extent_get(ehandle, EXT2_EXTENT_FIRST_SIB,
&extent);
- while (!pctx->errcode && info.num_entries-- > 0) {
+ while ((pctx->errcode == 0 ||
+ pctx->errcode == EXT2_ET_EXTENT_CSUM_INVALID) &&
+ info.num_entries-- > 0) {
+ failed_csum = 0;
is_leaf = extent.e_flags & EXT2_EXTENT_FLAGS_LEAF;
is_dir = LINUX_S_ISDIR(pctx->inode->i_mode);
problem = 0;
+ /* Ask to clear a corrupt extent block */
+ if (pctx->errcode == EXT2_ET_EXTENT_CSUM_INVALID) {
+ pctx->blk = extent.e_pblk;
+ pctx->blk2 = extent.e_lblk;
+ pctx->num = extent.e_len;
+ problem = PR_1_EXTENT_CSUM_INVALID;
+ if (fix_problem(ctx, problem, pctx))
+ goto fix_problem_now;
+ failed_csum = 1;
+ }
+
if (extent.e_pblk == 0 ||
extent.e_pblk < ctx->fs->super->s_first_data_block ||
extent.e_pblk >= ext2fs_blocks_count(ctx->fs->super))
ext2fs_blocks_count(ctx->fs->super))
problem = PR_1_EXTENT_ENDS_BEYOND;
+ /* Corrupt but passes checks? Ask to fix checksum. */
+ if (failed_csum) {
+ pctx->blk = extent.e_pblk;
+ pctx->blk2 = extent.e_lblk;
+ pctx->num = extent.e_len;
+ problem = 0;
+ if (fix_problem(ctx, PR_1_EXTENT_ONLY_CSUM_INVALID,
+ pctx))
+ ext2fs_extent_replace(ehandle, 0, &extent);
+ }
+
if (problem) {
- report_problem:
+report_problem:
pctx->blk = extent.e_pblk;
pctx->blk2 = extent.e_lblk;
pctx->num = extent.e_len;
if (fix_problem(ctx, problem, pctx)) {
+fix_problem_now:
e2fsck_read_bitmaps(ctx);
pctx->errcode =
ext2fs_extent_delete(ehandle, 0);
pctx->str = "ext2fs_extent_delete";
return;
}
+ ext2fs_extent_fix_parents(ehandle);
pctx->errcode = ext2fs_extent_get(ehandle,
EXT2_EXTENT_CURRENT,
&extent);
}
if (!is_leaf) {
+ blk64_t lblk;
+
blk = extent.e_pblk;
+ lblk = extent.e_lblk;
pctx->errcode = ext2fs_extent_get(ehandle,
EXT2_EXTENT_DOWN, &extent);
if (pctx->errcode) {
pctx->str = "EXT2_EXTENT_DOWN";
problem = PR_1_EXTENT_HEADER_INVALID;
- if (pctx->errcode == EXT2_ET_EXTENT_HEADER_BAD)
+ if (pctx->errcode ==
+ EXT2_ET_EXTENT_HEADER_BAD ||
+ pctx->errcode ==
+ EXT2_ET_EXTENT_CSUM_INVALID)
goto report_problem;
return;
}
+ /* The next extent should match this index's logical start */
+ if (extent.e_lblk != lblk) {
+ struct ext2_extent_info info;
+
+ ext2fs_extent_get_info(ehandle, &info);
+ pctx->blk = lblk;
+ pctx->blk2 = extent.e_lblk;
+ pctx->num = info.curr_level - 1;
+ problem = PR_1_EXTENT_INDEX_START_INVALID;
+ if (fix_problem(ctx, problem, pctx))
+ ext2fs_extent_fix_parents(ehandle);
+ }
scan_extent_node(ctx, pctx, pb, extent.e_lblk, ehandle);
if (pctx->errcode)
return;
goto failed_add_dir_block;
}
}
+ if (!ctx->fs->cluster_ratio_bits) {
+ mark_blocks_used(ctx, extent.e_pblk, extent.e_len);
+ pb->num_blocks += extent.e_len;
+ }
for (blk = extent.e_pblk, blockcnt = extent.e_lblk, i = 0;
i < extent.e_len;
blk++, blockcnt++, i++) {
- if (!(ctx->fs->cluster_ratio_bits &&
- pb->previous_block &&
+ if (ctx->fs->cluster_ratio_bits &&
+ !(pb->previous_block &&
(EXT2FS_B2C(ctx->fs, blk) ==
EXT2FS_B2C(ctx->fs, pb->previous_block)) &&
(blk & EXT2FS_CLUSTER_MASK(ctx->fs)) ==
}
if (ctx->dirs_to_hash && pb.is_dir &&
+ !(ctx->lost_and_found && ctx->lost_and_found == ino) &&
!(inode->i_flags & EXT2_INDEX_FL) &&
((inode->i_size / fs->blocksize) >= 3))
- ext2fs_u32_list_add(ctx->dirs_to_hash, ino);
+ e2fsck_rehash_dir_later(ctx, ino);
out:
if (dirty_inode)
git://git.whamcloud.com / tools / e2fsprogs.git / blobdiff