* - A bitmap of which blocks are in use. (block_found_map)
* - A bitmap of which blocks are in use by two inodes (block_dup_map)
* - The data blocks of the directory inodes. (dir_map)
+ * - Ref counts for ea_inodes. (ea_inode_refs)
*
* Pass 1 is designed to stash away enough information so that the
* other passes should not need to read in the inode information
- * during the normal course of a filesystem check. (Althogh if an
+ * during the normal course of a filesystem check. (Although if an
* inconsistency is detected, other passes may need to read in an
* inode to fix it.)
*
#define _INLINE_ inline
#endif
+#undef DEBUG
+
+struct ea_quota {
+ blk64_t blocks;
+ __u64 inodes;
+};
+
static int process_block(ext2_filsys fs, blk64_t *blocknr,
e2_blkcnt_t blockcnt, blk64_t ref_blk,
int ref_offset, void *priv_data);
e2_blkcnt_t blockcnt, blk64_t ref_blk,
int ref_offset, void *priv_data);
static void check_blocks(e2fsck_t ctx, struct problem_context *pctx,
- char *block_buf);
+ char *block_buf,
+ const struct ea_quota *ea_ibody_quota);
static void mark_table_blocks(e2fsck_t ctx);
static void alloc_bb_map(e2fsck_t ctx);
static void alloc_imagic_map(e2fsck_t ctx);
static void mark_inode_bad(e2fsck_t ctx, ino_t ino);
+static void add_encrypted_dir(e2fsck_t ctx, ino_t ino);
static void handle_fs_bad_blocks(e2fsck_t ctx);
static void process_inodes(e2fsck_t ctx, char *block_buf);
static EXT2_QSORT_TYPE process_inode_cmp(const void *a, const void *b);
inode_modified:1;
blk64_t num_blocks;
blk64_t max_blocks;
- e2_blkcnt_t last_block;
+ blk64_t last_block;
e2_blkcnt_t last_init_lblock;
e2_blkcnt_t last_db_block;
int num_illegal_blocks;
struct problem_context *pctx;
ext2fs_block_bitmap fs_meta_blocks;
e2fsck_t ctx;
- blk64_t bad_ref;
- region_t region;
+ blk64_t next_lblock;
+ struct extent_tree_info eti;
};
struct process_inode_block {
ext2_ino_t ino;
- struct ext2_inode inode;
+ struct ea_quota ea_ibody_quota;
+ struct ext2_inode_large inode;
};
struct scan_callback_struct {
{
unsigned int len;
int i;
- blk64_t blocks;
ext2_extent_handle_t handle;
struct ext2_extent_info info;
struct ext2fs_extent extent;
return 1;
}
- blocks = ext2fs_inode_data_blocks2(fs, inode);
- if (blocks) {
- if (inode->i_flags & EXT4_INLINE_DATA_FL)
+ if (ext2fs_is_fast_symlink(inode)) {
+ if (inode->i_size >= sizeof(inode->i_block))
+ return 0;
+
+ len = strnlen((char *)inode->i_block, sizeof(inode->i_block));
+ if (len == sizeof(inode->i_block))
return 0;
+ } else {
if ((inode->i_size >= fs->blocksize) ||
- (blocks != fs->blocksize >> 9) ||
(inode->i_block[0] < fs->super->s_first_data_block) ||
(inode->i_block[0] >= ext2fs_blocks_count(fs->super)))
return 0;
if (io_channel_read_blk64(fs->io, inode->i_block[0], 1, buf))
return 0;
- len = strnlen(buf, fs->blocksize);
+ if (inode->i_flags & EXT4_ENCRYPT_FL) {
+ len = ext2fs_le32_to_cpu(*((__u32 *)buf)) + 4;
+ } else {
+ len = strnlen(buf, fs->blocksize);
+ }
if (len == fs->blocksize)
return 0;
- } else if (inode->i_flags & EXT4_INLINE_DATA_FL) {
- char *inline_buf = NULL;
- size_t inline_sz = 0;
-
- if (ext2fs_inline_data_size(fs, ino, &inline_sz))
- return 0;
- if (inode->i_size != inline_sz)
- return 0;
- if (ext2fs_get_mem(inline_sz + 1, &inline_buf))
- return 0;
- i = 0;
- if (ext2fs_inline_data_get(fs, ino, inode, inline_buf, NULL))
- goto exit_inline;
- inline_buf[inline_sz] = 0;
- len = strnlen(inline_buf, inline_sz);
- if (len != inline_sz)
- goto exit_inline;
- i = 1;
-exit_inline:
- ext2fs_free_mem(&inline_buf);
- return i;
- } else {
- if (inode->i_size >= sizeof(inode->i_block))
- return 0;
-
- len = strnlen((char *)inode->i_block, sizeof(inode->i_block));
- if (len == sizeof(inode->i_block))
- return 0;
}
if (len != inode->i_size)
- return 0;
+ if ((inode->i_flags & EXT4_ENCRYPT_FL) == 0)
+ return 0;
return 1;
}
e2fsck_write_inode(ctx, pctx->ino, pctx->inode, "pass1");
}
-static void check_ea_in_inode(e2fsck_t ctx, struct problem_context *pctx)
+/*
+ * For a given size, calculate how many blocks would be charged towards quota.
+ */
+static blk64_t size_to_quota_blocks(ext2_filsys fs, size_t size)
+{
+ blk64_t clusters;
+
+ clusters = DIV_ROUND_UP(size, fs->blocksize << fs->cluster_ratio_bits);
+ return EXT2FS_C2B(fs, clusters);
+}
+
+/*
+ * Check validity of EA inode. Return 0 if EA inode is valid, otherwise return
+ * the problem code.
+ */
+static problem_t check_large_ea_inode(e2fsck_t ctx,
+ struct ext2_ext_attr_entry *entry,
+ struct problem_context *pctx,
+ blk64_t *quota_blocks)
+{
+ struct ext2_inode inode;
+ __u32 hash;
+ errcode_t retval;
+
+ /* Check if inode is within valid range */
+ if ((entry->e_value_inum < EXT2_FIRST_INODE(ctx->fs->super)) ||
+ (entry->e_value_inum > ctx->fs->super->s_inodes_count)) {
+ pctx->num = entry->e_value_inum;
+ return PR_1_ATTR_VALUE_EA_INODE;
+ }
+
+ e2fsck_read_inode(ctx, entry->e_value_inum, &inode, "pass1");
+
+ retval = ext2fs_ext_attr_hash_entry2(ctx->fs, entry, NULL, &hash);
+ if (retval) {
+ com_err("check_large_ea_inode", retval,
+ _("while hashing entry with e_value_inum = %u"),
+ entry->e_value_inum);
+ fatal_error(ctx, 0);
+ }
+
+ if (hash == entry->e_hash) {
+ *quota_blocks = size_to_quota_blocks(ctx->fs,
+ entry->e_value_size);
+ } else {
+ /* This might be an old Lustre-style ea_inode reference. */
+ if (inode.i_mtime == pctx->ino &&
+ inode.i_generation == pctx->inode->i_generation) {
+ *quota_blocks = 0;
+ } else {
+ /* If target inode is also missing EA_INODE flag,
+ * this is likely to be a bad reference.
+ */
+ if (!(inode.i_flags & EXT4_EA_INODE_FL)) {
+ pctx->num = entry->e_value_inum;
+ return PR_1_ATTR_VALUE_EA_INODE;
+ } else {
+ pctx->num = entry->e_hash;
+ return PR_1_ATTR_HASH;
+ }
+ }
+ }
+
+ if (!(inode.i_flags & EXT4_EA_INODE_FL)) {
+ pctx->num = entry->e_value_inum;
+ if (fix_problem(ctx, PR_1_ATTR_SET_EA_INODE_FL, pctx)) {
+ inode.i_flags |= EXT4_EA_INODE_FL;
+ ext2fs_write_inode(ctx->fs, entry->e_value_inum,
+ &inode);
+ } else {
+ return PR_1_ATTR_NO_EA_INODE_FL;
+ }
+ }
+ return 0;
+}
+
+static void inc_ea_inode_refs(e2fsck_t ctx, struct problem_context *pctx,
+ struct ext2_ext_attr_entry *first, void *end)
+{
+ struct ext2_ext_attr_entry *entry;
+
+ for (entry = first;
+ (void *)entry < end && !EXT2_EXT_IS_LAST_ENTRY(entry);
+ entry = EXT2_EXT_ATTR_NEXT(entry)) {
+ if (!entry->e_value_inum)
+ continue;
+ if (!ctx->ea_inode_refs) {
+ pctx->errcode = ea_refcount_create(0,
+ &ctx->ea_inode_refs);
+ if (pctx->errcode) {
+ pctx->num = 4;
+ fix_problem(ctx, PR_1_ALLOCATE_REFCOUNT, pctx);
+ ctx->flags |= E2F_FLAG_ABORT;
+ return;
+ }
+ }
+ ea_refcount_increment(ctx->ea_inode_refs, entry->e_value_inum,
+ 0);
+ }
+}
+
+static void check_ea_in_inode(e2fsck_t ctx, struct problem_context *pctx,
+ struct ea_quota *ea_ibody_quota)
{
struct ext2_super_block *sb = ctx->fs->super;
struct ext2_inode_large *inode;
struct ext2_ext_attr_entry *entry;
- char *start, *header;
+ char *start, *header, *end;
unsigned int storage_size, remain;
problem_t problem = 0;
region_t region = 0;
+ ea_ibody_quota->blocks = 0;
+ ea_ibody_quota->inodes = 0;
+
inode = (struct ext2_inode_large *) pctx->inode;
storage_size = EXT2_INODE_SIZE(ctx->fs->super) - EXT2_GOOD_OLD_INODE_SIZE -
inode->i_extra_isize;
header = ((char *) inode) + EXT2_GOOD_OLD_INODE_SIZE +
inode->i_extra_isize;
+ end = header + storage_size;
start = header + sizeof(__u32);
entry = (struct ext2_ext_attr_entry *) start;
/* attribute len eats this space */
remain -= EXT2_EXT_ATTR_SIZE(entry->e_name_len);
- /* check value size */
- if (entry->e_value_size > remain) {
- pctx->num = entry->e_value_size;
- problem = PR_1_ATTR_VALUE_SIZE;
- goto fix;
- }
+ if (entry->e_value_inum == 0) {
+ /* check value size */
+ if (entry->e_value_size > remain) {
+ pctx->num = entry->e_value_size;
+ problem = PR_1_ATTR_VALUE_SIZE;
+ goto fix;
+ }
- /* e_value_block must be 0 in inode's ea */
- if (entry->e_value_block != 0) {
- pctx->num = entry->e_value_block;
- problem = PR_1_ATTR_VALUE_BLOCK;
- goto fix;
- }
+ if (entry->e_value_size &&
+ region_allocate(region,
+ sizeof(__u32) + entry->e_value_offs,
+ EXT2_EXT_ATTR_SIZE(
+ entry->e_value_size))) {
+ problem = PR_1_INODE_EA_ALLOC_COLLISION;
+ goto fix;
+ }
- if (entry->e_value_size &&
- region_allocate(region, sizeof(__u32) + entry->e_value_offs,
- EXT2_EXT_ATTR_SIZE(entry->e_value_size))) {
- problem = PR_1_INODE_EA_ALLOC_COLLISION;
- goto fix;
- }
+ hash = ext2fs_ext_attr_hash_entry(entry,
+ start + entry->e_value_offs);
- hash = ext2fs_ext_attr_hash_entry(entry,
- start + entry->e_value_offs);
+ /* e_hash may be 0 in older inode's ea */
+ if (entry->e_hash != 0 && entry->e_hash != hash) {
+ pctx->num = entry->e_hash;
+ problem = PR_1_ATTR_HASH;
+ goto fix;
+ }
+ } else {
+ blk64_t quota_blocks;
- /* e_hash may be 0 in older inode's ea */
- if (entry->e_hash != 0 && entry->e_hash != hash) {
- pctx->num = entry->e_hash;
- problem = PR_1_ATTR_HASH;
- goto fix;
+ problem = check_large_ea_inode(ctx, entry, pctx,
+ "a_blocks);
+ if (problem != 0)
+ goto fix;
+
+ ea_ibody_quota->blocks += quota_blocks;
+ ea_ibody_quota->inodes++;
}
- remain -= entry->e_value_size;
+ /* If EA value is stored in external inode then it does not
+ * consume space here */
+ if (entry->e_value_inum == 0)
+ remain -= entry->e_value_size;
entry = EXT2_EXT_ATTR_NEXT(entry);
}
* it seems like a corruption. it's very unlikely we could repair
* EA(s) in automatic fashion -bzzz
*/
- if (problem == 0 || !fix_problem(ctx, problem, pctx))
+ if (problem == 0 || !fix_problem(ctx, problem, pctx)) {
+ inc_ea_inode_refs(ctx, pctx,
+ (struct ext2_ext_attr_entry *)start, end);
return;
+ }
/* simply remove all possible EA(s) */
*((__u32 *)header) = 0UL;
e2fsck_write_inode_full(ctx, pctx->ino, pctx->inode,
EXT2_INODE_SIZE(sb), "pass1");
+ ea_ibody_quota->blocks = 0;
+ ea_ibody_quota->inodes = 0;
}
-static void check_inode_extra_space(e2fsck_t ctx, struct problem_context *pctx)
+static int check_inode_extra_negative_epoch(__u32 xtime, __u32 extra) {
+ return (xtime & (1U << 31)) != 0 &&
+ (extra & EXT4_EPOCH_MASK) == EXT4_EPOCH_MASK;
+}
+
+#define CHECK_INODE_EXTRA_NEGATIVE_EPOCH(inode, xtime) \
+ check_inode_extra_negative_epoch(inode->i_##xtime, \
+ inode->i_##xtime##_extra)
+
+/* When today's date is earlier than 2242, we assume that atimes,
+ * ctimes, crtimes, and mtimes with years in the range 2310..2378 are
+ * actually pre-1970 dates mis-encoded.
+ */
+#define EXT4_EXTRA_NEGATIVE_DATE_CUTOFF 2 * (1LL << 32)
+
+static void check_inode_extra_space(e2fsck_t ctx, struct problem_context *pctx,
+ struct ea_quota *ea_ibody_quota)
{
struct ext2_super_block *sb = ctx->fs->super;
struct ext2_inode_large *inode;
__u32 *eamagic;
int min, max;
+ ea_ibody_quota->blocks = 0;
+ ea_ibody_quota->inodes = 0;
+
inode = (struct ext2_inode_large *) pctx->inode;
if (EXT2_INODE_SIZE(sb) == EXT2_GOOD_OLD_INODE_SIZE) {
/* this isn't large inode. so, nothing to check */
* implementations should never allow i_extra_isize to be 0
*/
if (inode->i_extra_isize &&
- (inode->i_extra_isize < min || inode->i_extra_isize > max)) {
+ (inode->i_extra_isize < min || inode->i_extra_isize > max ||
+ inode->i_extra_isize & 3)) {
if (!fix_problem(ctx, PR_1_EXTRA_ISIZE, pctx))
return;
- inode->i_extra_isize = min;
+ if (inode->i_extra_isize < min || inode->i_extra_isize > max)
+ inode->i_extra_isize = sb->s_want_extra_isize;
+ else
+ inode->i_extra_isize = (inode->i_extra_isize + 3) & ~3;
e2fsck_write_inode_full(ctx, pctx->ino, pctx->inode,
EXT2_INODE_SIZE(sb), "pass1");
- return;
}
+ /* check if there is no place for an EA header */
+ if (inode->i_extra_isize >= max - sizeof(__u32))
+ return;
+
eamagic = (__u32 *) (((char *) inode) + EXT2_GOOD_OLD_INODE_SIZE +
inode->i_extra_isize);
if (*eamagic == EXT2_EXT_ATTR_MAGIC) {
/* it seems inode has an extended attribute(s) in body */
- check_ea_in_inode(ctx, pctx);
+ check_ea_in_inode(ctx, pctx, ea_ibody_quota);
}
+
+ /*
+ * If the inode's extended atime (ctime, crtime, mtime) is stored in
+ * the old, invalid format, repair it.
+ */
+ if (((sizeof(time_t) <= 4) ||
+ (((sizeof(time_t) > 4) &&
+ ctx->now < EXT4_EXTRA_NEGATIVE_DATE_CUTOFF))) &&
+ (CHECK_INODE_EXTRA_NEGATIVE_EPOCH(inode, atime) ||
+ CHECK_INODE_EXTRA_NEGATIVE_EPOCH(inode, ctime) ||
+ CHECK_INODE_EXTRA_NEGATIVE_EPOCH(inode, crtime) ||
+ CHECK_INODE_EXTRA_NEGATIVE_EPOCH(inode, mtime))) {
+
+ if (!fix_problem(ctx, PR_1_EA_TIME_OUT_OF_RANGE, pctx))
+ return;
+
+ if (CHECK_INODE_EXTRA_NEGATIVE_EPOCH(inode, atime))
+ inode->i_atime_extra &= ~EXT4_EPOCH_MASK;
+ if (CHECK_INODE_EXTRA_NEGATIVE_EPOCH(inode, ctime))
+ inode->i_ctime_extra &= ~EXT4_EPOCH_MASK;
+ if (CHECK_INODE_EXTRA_NEGATIVE_EPOCH(inode, crtime))
+ inode->i_crtime_extra &= ~EXT4_EPOCH_MASK;
+ if (CHECK_INODE_EXTRA_NEGATIVE_EPOCH(inode, mtime))
+ inode->i_mtime_extra &= ~EXT4_EPOCH_MASK;
+ e2fsck_write_inode_full(ctx, pctx->ino, pctx->inode,
+ EXT2_INODE_SIZE(sb), "pass1");
+ }
+
}
/*
* data. If it's true, we will treat it as a directory.
*/
- extent_fs = (ctx->fs->super->s_feature_incompat &
- EXT3_FEATURE_INCOMPAT_EXTENTS);
- inlinedata_fs = (ctx->fs->super->s_feature_incompat &
- EXT4_FEATURE_INCOMPAT_INLINE_DATA);
+ extent_fs = ext2fs_has_feature_extents(ctx->fs->super);
+ inlinedata_fs = ext2fs_has_feature_inline_data(ctx->fs->super);
if (inlinedata_fs && (inode->i_flags & EXT4_INLINE_DATA_FL)) {
size_t size;
+ __u32 dotdot;
+ unsigned int rec_len2;
+ struct ext2_dir_entry de;
if (ext2fs_inline_data_size(ctx->fs, pctx->ino, &size))
return;
*/
if (size & 3)
return;
+ /*
+ * If the first 10 bytes don't look like a directory entry,
+ * it's probably not a directory.
+ */
+ memcpy(&dotdot, inode->i_block, sizeof(dotdot));
+ memcpy(&de, ((char *)inode->i_block) + EXT4_INLINE_DATA_DOTDOT_SIZE,
+ EXT2_DIR_REC_LEN(0));
+ dotdot = ext2fs_le32_to_cpu(dotdot);
+ de.inode = ext2fs_le32_to_cpu(de.inode);
+ de.rec_len = ext2fs_le16_to_cpu(de.rec_len);
+ ext2fs_get_rec_len(ctx->fs, &de, &rec_len2);
+ if (dotdot >= ctx->fs->super->s_inodes_count ||
+ (dotdot < EXT2_FIRST_INO(ctx->fs->super) &&
+ dotdot != EXT2_ROOT_INO) ||
+ de.inode >= ctx->fs->super->s_inodes_count ||
+ (de.inode < EXT2_FIRST_INO(ctx->fs->super) &&
+ de.inode != 0) ||
+ rec_len2 > EXT4_MIN_INLINE_DATA_SIZE -
+ EXT4_INLINE_DATA_DOTDOT_SIZE)
+ return;
/* device files never have a "system.data" entry */
goto isdir;
} else if (extent_fs && (inode->i_flags & EXT4_EXTENTS_FL)) {
}
}
-void e2fsck_setup_tdb_icount(e2fsck_t ctx, int flags,
- ext2_icount_t *ret)
+extern errcode_t e2fsck_setup_icount(e2fsck_t ctx, const char *icount_name,
+ int flags, ext2_icount_t hint,
+ ext2_icount_t *ret)
{
unsigned int threshold;
+ unsigned int save_type;
ext2_ino_t num_dirs;
errcode_t retval;
char *tdb_dir;
int enable;
+ int full_map;
*ret = 0;
if (retval)
num_dirs = 1024; /* Guess */
- if (!enable || !tdb_dir || access(tdb_dir, W_OK) ||
- (threshold && num_dirs <= threshold))
- return;
-
- retval = ext2fs_create_icount_tdb(ctx->fs, tdb_dir, flags, ret);
- if (retval)
- *ret = 0;
+ if (enable && tdb_dir && !access(tdb_dir, W_OK) &&
+ (!threshold || num_dirs > threshold)) {
+ retval = ext2fs_create_icount_tdb(ctx->fs, tdb_dir,
+ flags, ret);
+ if (retval == 0)
+ return 0;
+ }
+ e2fsck_set_bitmap_type(ctx->fs, EXT2FS_BMAP64_RBTREE, icount_name,
+ &save_type);
+ if (ctx->options & E2F_OPT_ICOUNT_FULLMAP)
+ flags |= EXT2_ICOUNT_OPT_FULLMAP;
+ retval = ext2fs_create_icount2(ctx->fs, flags, 0, hint, ret);
+ ctx->fs->default_bitmap_type = save_type;
+ return retval;
}
static errcode_t recheck_bad_inode_checksum(ext2_filsys fs, ext2_ino_t ino,
int dirty = 0;
/* Both feature flags not set? Just run the regular checks */
- if (!EXT2_HAS_INCOMPAT_FEATURE(fs->super,
- EXT3_FEATURE_INCOMPAT_EXTENTS) &&
- !EXT2_HAS_INCOMPAT_FEATURE(fs->super,
- EXT4_FEATURE_INCOMPAT_INLINE_DATA))
+ if (!ext2fs_has_feature_extents(fs->super) &&
+ !ext2fs_has_feature_inline_data(fs->super))
return 0;
/* Clear both flags if it's a special file */
}
/* If it looks short enough to be inline data, try to clear extents */
- if (EXT2_INODE_SIZE(fs->super) > EXT2_GOOD_OLD_INODE_SIZE)
- max_inline_ea_size = EXT2_INODE_SIZE(fs->super) -
+ if (inode_size > EXT2_GOOD_OLD_INODE_SIZE)
+ max_inline_ea_size = inode_size -
(EXT2_GOOD_OLD_INODE_SIZE +
((struct ext2_inode_large *)inode)->i_extra_isize);
else
return 0;
}
+static void pass1_readahead(e2fsck_t ctx, dgrp_t *group, ext2_ino_t *next_ino)
+{
+ ext2_ino_t inodes_in_group = 0, inodes_per_block, inodes_per_buffer;
+ dgrp_t start = *group, grp;
+ blk64_t blocks_to_read = 0;
+ errcode_t err = EXT2_ET_INVALID_ARGUMENT;
+
+ if (ctx->readahead_kb == 0)
+ goto out;
+
+ /* Keep iterating groups until we have enough to readahead */
+ inodes_per_block = EXT2_INODES_PER_BLOCK(ctx->fs->super);
+ for (grp = start; grp < ctx->fs->group_desc_count; grp++) {
+ if (ext2fs_bg_flags_test(ctx->fs, grp, EXT2_BG_INODE_UNINIT))
+ continue;
+ inodes_in_group = ctx->fs->super->s_inodes_per_group -
+ ext2fs_bg_itable_unused(ctx->fs, grp);
+ blocks_to_read += (inodes_in_group + inodes_per_block - 1) /
+ inodes_per_block;
+ if (blocks_to_read * ctx->fs->blocksize >
+ ctx->readahead_kb * 1024)
+ break;
+ }
+
+ err = e2fsck_readahead(ctx->fs, E2FSCK_READA_ITABLE, start,
+ grp - start + 1);
+ if (err == EAGAIN) {
+ ctx->readahead_kb /= 2;
+ err = 0;
+ }
+
+out:
+ if (err) {
+ /* Error; disable itable readahead */
+ *group = ctx->fs->group_desc_count;
+ *next_ino = ctx->fs->super->s_inodes_count;
+ } else {
+ /*
+ * Don't do more readahead until we've reached the first inode
+ * of the last inode scan buffer block for the last group.
+ */
+ *group = grp + 1;
+ inodes_per_buffer = (ctx->inode_buffer_blocks ?
+ ctx->inode_buffer_blocks :
+ EXT2_INODE_SCAN_DEFAULT_BUFFER_BLOCKS) *
+ ctx->fs->blocksize /
+ EXT2_INODE_SIZE(ctx->fs->super);
+ inodes_in_group--;
+ *next_ino = inodes_in_group -
+ (inodes_in_group % inodes_per_buffer) + 1 +
+ (grp * ctx->fs->super->s_inodes_per_group);
+ }
+}
+
+/*
+ * Check if the passed ino is one of the used superblock quota inodes.
+ *
+ * Before the quota inodes were journaled, older superblock quota inodes
+ * were just regular files in the filesystem and not reserved inodes. This
+ * checks if the passed ino is one of the s_*_quota_inum superblock fields,
+ * which may not always be the same as the EXT4_*_QUOTA_INO fields.
+ */
+static int quota_inum_is_super(struct ext2_super_block *sb, ext2_ino_t ino)
+{
+ enum quota_type qtype;
+
+ for (qtype = 0; qtype < MAXQUOTAS; qtype++)
+ if (*quota_sb_inump(sb, qtype) == ino)
+ return 1;
+
+ return 0;
+}
+
+/*
+ * Check if the passed ino is one of the reserved quota inodes.
+ * This checks if the inode number is one of the reserved EXT4_*_QUOTA_INO
+ * inodes. These inodes may or may not be in use by the quota feature.
+ */
+static int quota_inum_is_reserved(ext2_filsys fs, ext2_ino_t ino)
+{
+ enum quota_type qtype;
+
+ for (qtype = 0; qtype < MAXQUOTAS; qtype++)
+ if (quota_type2inum(qtype, fs->super) == ino)
+ return 1;
+
+ return 0;
+}
+
void e2fsck_pass1(e2fsck_t ctx)
{
int i;
struct scan_callback_struct scan_struct;
struct ext2_super_block *sb = ctx->fs->super;
const char *old_op;
- unsigned int save_type;
int imagic_fs, extent_fs, inlinedata_fs;
int low_dtime_check = 1;
- int inode_size;
+ int inode_size = EXT2_INODE_SIZE(fs->super);
+ int bufsize;
int failed_csum = 0;
+ ext2_ino_t ino_threshold = 0;
+ dgrp_t ra_group = 0;
+ struct ea_quota ea_ibody_quota;
init_resource_track(&rtrack, ctx->fs->io);
clear_problem_context(&pctx);
+ /* If we can do readahead, figure out how many groups to pull in. */
+ if (!e2fsck_can_readahead(ctx->fs))
+ ctx->readahead_kb = 0;
+ else if (ctx->readahead_kb == ~0ULL)
+ ctx->readahead_kb = e2fsck_guess_readahead(ctx->fs);
+ pass1_readahead(ctx, &ra_group, &ino_threshold);
+
if (!(ctx->options & E2F_OPT_PREEN))
fix_problem(ctx, PR_1_PASS_HEADER, &pctx);
- if ((fs->super->s_feature_compat & EXT2_FEATURE_COMPAT_DIR_INDEX) &&
+ if (ext2fs_has_feature_dir_index(fs->super) &&
!(ctx->options & E2F_OPT_NO)) {
if (ext2fs_u32_list_create(&ctx->dirs_to_hash, 50))
ctx->dirs_to_hash = 0;
}
#undef EXT2_BPP
- imagic_fs = (sb->s_feature_compat & EXT2_FEATURE_COMPAT_IMAGIC_INODES);
- extent_fs = (sb->s_feature_incompat & EXT3_FEATURE_INCOMPAT_EXTENTS);
- inlinedata_fs = (sb->s_feature_incompat &
- EXT4_FEATURE_INCOMPAT_INLINE_DATA);
+ imagic_fs = ext2fs_has_feature_imagic_inodes(sb);
+ extent_fs = ext2fs_has_feature_extents(sb);
+ inlinedata_fs = ext2fs_has_feature_inline_data(sb);
/*
* Allocate bitmaps structures
ctx->flags |= E2F_FLAG_ABORT;
return;
}
- e2fsck_setup_tdb_icount(ctx, 0, &ctx->inode_link_info);
- if (!ctx->inode_link_info) {
- e2fsck_set_bitmap_type(fs, EXT2FS_BMAP64_RBTREE,
- "inode_link_info", &save_type);
- pctx.errcode = ext2fs_create_icount2(fs, 0, 0, 0,
- &ctx->inode_link_info);
- fs->default_bitmap_type = save_type;
- }
-
+ pctx.errcode = e2fsck_setup_icount(ctx, "inode_link_info", 0, NULL,
+ &ctx->inode_link_info);
if (pctx.errcode) {
fix_problem(ctx, PR_1_ALLOCATE_ICOUNT, &pctx);
ctx->flags |= E2F_FLAG_ABORT;
return;
}
- inode_size = EXT2_INODE_SIZE(fs->super);
+ bufsize = inode_size;
+ if (bufsize < sizeof(struct ext2_inode_large))
+ bufsize = sizeof(struct ext2_inode_large);
inode = (struct ext2_inode *)
- e2fsck_allocate_memory(ctx, inode_size, "scratch inode");
+ e2fsck_allocate_memory(ctx, bufsize, "scratch inode");
inodes_to_process = (struct process_inode_block *)
e2fsck_allocate_memory(ctx,
fs->super->s_mkfs_time < fs->super->s_inodes_count))
low_dtime_check = 0;
- if ((fs->super->s_feature_incompat & EXT4_FEATURE_INCOMPAT_MMP) &&
+ if (ext2fs_has_feature_mmp(fs->super) &&
fs->super->s_mmp_block > fs->super->s_first_data_block &&
fs->super->s_mmp_block < ext2fs_blocks_count(fs->super))
ext2fs_mark_block_bitmap2(ctx->block_found_map,
old_op = ehandler_operation(_("getting next inode from scan"));
pctx.errcode = ext2fs_get_next_inode_full(scan, &ino,
inode, inode_size);
+ if (ino > ino_threshold)
+ pass1_readahead(ctx, &ra_group, &ino_threshold);
ehandler_operation(old_op);
if (ctx->flags & E2F_FLAG_SIGNAL_MASK)
- return;
+ goto endit;
if (pctx.errcode == EXT2_ET_BAD_BLOCK_IN_INODE_TABLE) {
/*
* If badblocks says badblocks is bad, offer to clear
}
failed_csum = pctx.errcode != 0;
+ /*
+ * Check for inodes who might have been part of the
+ * orphaned list linked list. They should have gotten
+ * dealt with by now, unless the list had somehow been
+ * corrupted.
+ *
+ * FIXME: In the future, inodes which are still in use
+ * (and which are therefore) pending truncation should
+ * be handled specially. Right now we just clear the
+ * dtime field, and the normal e2fsck handling of
+ * inodes where i_size and the inode blocks are
+ * inconsistent is to fix i_size, instead of releasing
+ * the extra blocks. This won't catch the inodes that
+ * was at the end of the orphan list, but it's better
+ * than nothing. The right answer is that there
+ * shouldn't be any bugs in the orphan list handling. :-)
+ */
+ if (inode->i_dtime && low_dtime_check &&
+ inode->i_dtime < ctx->fs->super->s_inodes_count) {
+ if (fix_problem(ctx, PR_1_LOW_DTIME, &pctx)) {
+ inode->i_dtime = inode->i_links_count ?
+ 0 : ctx->now;
+ e2fsck_write_inode(ctx, ino, inode,
+ "pass1");
+ failed_csum = 0;
+ }
+ }
+
if (inode->i_links_count) {
pctx.errcode = ext2fs_icount_store(ctx->inode_link_info,
ino, inode->i_links_count);
ctx->flags |= E2F_FLAG_ABORT;
goto endit;
}
+ } else if ((ino >= EXT2_FIRST_INODE(fs->super)) &&
+ !quota_inum_is_reserved(fs, ino)) {
+ if (!inode->i_dtime && inode->i_mode) {
+ if (fix_problem(ctx,
+ PR_1_ZERO_DTIME, &pctx)) {
+ inode->i_dtime = ctx->now;
+ e2fsck_write_inode(ctx, ino, inode,
+ "pass1");
+ failed_csum = 0;
+ }
+ }
+ FINISH_INODE_LOOP(ctx, ino, &pctx, failed_csum);
+ continue;
}
/* Conflicting inlinedata/extents inode flags? */
pctx.errcode = ext2fs_inline_data_size(fs, ino, &size);
if (!pctx.errcode && size &&
- !fix_problem(ctx, PR_1_INLINE_DATA_FEATURE, &pctx)) {
- sb->s_feature_incompat |=
- EXT4_FEATURE_INCOMPAT_INLINE_DATA;
+ fix_problem(ctx, PR_1_INLINE_DATA_FEATURE, &pctx)) {
+ ext2fs_set_feature_inline_data(sb);
ext2fs_mark_super_dirty(fs);
inlinedata_fs = 1;
- } else if (!fix_problem(ctx, PR_1_INLINE_DATA_SET, &pctx)) {
+ } else if (fix_problem(ctx, PR_1_INLINE_DATA_SET, &pctx)) {
e2fsck_clear_inode(ctx, ino, inode, 0, "pass1");
/* skip FINISH_INODE_LOOP */
continue;
/* Test for inline data flag but no attr */
if ((inode->i_flags & EXT4_INLINE_DATA_FL) && inlinedata_fs &&
- EXT2_I_SIZE(inode) > EXT4_MIN_INLINE_DATA_SIZE &&
(ino >= EXT2_FIRST_INODE(fs->super))) {
size_t size = 0;
errcode_t err;
/* broken EA or no system.data EA; truncate */
if (fix_problem(ctx, PR_1_INLINE_DATA_NO_ATTR,
&pctx)) {
- err = ext2fs_inode_size_set(fs, inode,
- sizeof(inode->i_block));
+ err = ext2fs_inode_size_set(fs, inode, 0);
if (err) {
pctx.errcode = err;
ctx->flags |= E2F_FLAG_ABORT;
goto endit;
}
+ inode->i_flags &= ~EXT4_INLINE_DATA_FL;
+ memset(&inode->i_block, 0,
+ sizeof(inode->i_block));
e2fsck_write_inode(ctx, ino, inode,
"pass1");
failed_csum = 0;
if ((ext2fs_extent_header_verify(inode->i_block,
sizeof(inode->i_block)) == 0) &&
fix_problem(ctx, PR_1_EXTENT_FEATURE, &pctx)) {
- sb->s_feature_incompat |= EXT3_FEATURE_INCOMPAT_EXTENTS;
+ ext2fs_set_feature_extents(sb);
ext2fs_mark_super_dirty(fs);
extent_fs = 1;
} else if (fix_problem(ctx, PR_1_EXTENTS_SET, &pctx)) {
/*
* Make sure the root inode is a directory; if
* not, offer to clear it. It will be
- * regnerated in pass #3.
+ * regenerated in pass #3.
*/
if (!LINUX_S_ISDIR(inode->i_mode)) {
if (fix_problem(ctx, PR_1_ROOT_NO_DIR, &pctx))
"pass1");
failed_csum = 0;
}
- check_blocks(ctx, &pctx, block_buf);
+ check_blocks(ctx, &pctx, block_buf, NULL);
FINISH_INODE_LOOP(ctx, ino, &pctx, failed_csum);
continue;
}
inode_size, "pass1");
failed_csum = 0;
}
- } else if ((ino == EXT4_USR_QUOTA_INO) ||
- (ino == EXT4_GRP_QUOTA_INO)) {
+ } else if (quota_inum_is_reserved(fs, ino)) {
ext2fs_mark_inode_bitmap2(ctx->inode_used_map, ino);
- if ((fs->super->s_feature_ro_compat &
- EXT4_FEATURE_RO_COMPAT_QUOTA) &&
- ((fs->super->s_usr_quota_inum == ino) ||
- (fs->super->s_grp_quota_inum == ino))) {
+ if (ext2fs_has_feature_quota(fs->super) &&
+ quota_inum_is_super(fs->super, ino)) {
if (!LINUX_S_ISREG(inode->i_mode) &&
fix_problem(ctx, PR_1_QUOTA_BAD_MODE,
&pctx)) {
"pass1");
failed_csum = 0;
}
- check_blocks(ctx, &pctx, block_buf);
+ check_blocks(ctx, &pctx, block_buf, NULL);
FINISH_INODE_LOOP(ctx, ino, &pctx, failed_csum);
continue;
}
failed_csum = 0;
}
}
- check_blocks(ctx, &pctx, block_buf);
+ check_blocks(ctx, &pctx, block_buf, NULL);
FINISH_INODE_LOOP(ctx, ino, &pctx, failed_csum);
continue;
}
- /*
- * Check for inodes who might have been part of the
- * orphaned list linked list. They should have gotten
- * dealt with by now, unless the list had somehow been
- * corrupted.
- *
- * FIXME: In the future, inodes which are still in use
- * (and which are therefore) pending truncation should
- * be handled specially. Right now we just clear the
- * dtime field, and the normal e2fsck handling of
- * inodes where i_size and the inode blocks are
- * inconsistent is to fix i_size, instead of releasing
- * the extra blocks. This won't catch the inodes that
- * was at the end of the orphan list, but it's better
- * than nothing. The right answer is that there
- * shouldn't be any bugs in the orphan list handling. :-)
- */
- if (inode->i_dtime && low_dtime_check &&
- inode->i_dtime < ctx->fs->super->s_inodes_count) {
- if (fix_problem(ctx, PR_1_LOW_DTIME, &pctx)) {
- inode->i_dtime = inode->i_links_count ?
- 0 : ctx->now;
- e2fsck_write_inode(ctx, ino, inode,
- "pass1");
- failed_csum = 0;
- }
- }
-
- /*
- * This code assumes that deleted inodes have
- * i_links_count set to 0.
- */
if (!inode->i_links_count) {
- if (!inode->i_dtime && inode->i_mode) {
- if (fix_problem(ctx,
- PR_1_ZERO_DTIME, &pctx)) {
- inode->i_dtime = ctx->now;
- e2fsck_write_inode(ctx, ino, inode,
- "pass1");
- failed_csum = 0;
- }
- }
FINISH_INODE_LOOP(ctx, ino, &pctx, failed_csum);
continue;
}
}
if (inode->i_faddr || frag || fsize ||
- (LINUX_S_ISDIR(inode->i_mode) && inode->i_dir_acl))
+ (!ext2fs_has_feature_largedir(fs->super) &&
+ (LINUX_S_ISDIR(inode->i_mode) && inode->i_size_high)))
mark_inode_bad(ctx, ino);
- if (!(fs->super->s_feature_incompat &
- EXT4_FEATURE_INCOMPAT_64BIT) &&
+ if ((fs->super->s_creator_os != EXT2_OS_HURD) &&
+ !ext2fs_has_feature_64bit(fs->super) &&
inode->osd2.linux2.l_i_file_acl_high != 0)
mark_inode_bad(ctx, ino);
- if ((fs->super->s_creator_os == EXT2_OS_LINUX) &&
- !(fs->super->s_feature_ro_compat &
- EXT4_FEATURE_RO_COMPAT_HUGE_FILE) &&
+ if ((fs->super->s_creator_os != EXT2_OS_HURD) &&
+ !ext2fs_has_feature_huge_file(fs->super) &&
(inode->osd2.linux2.l_i_blocks_hi != 0))
mark_inode_bad(ctx, ino);
if (inode->i_flags & EXT2_IMAGIC_FL) {
}
}
- check_inode_extra_space(ctx, &pctx);
+ check_inode_extra_space(ctx, &pctx, &ea_ibody_quota);
check_is_really_dir(ctx, &pctx, block_buf);
/*
ext2fs_mark_inode_bitmap2(ctx->inode_dir_map, ino);
e2fsck_add_dir_info(ctx, ino, 0);
ctx->fs_directory_count++;
+ if (inode->i_flags & EXT4_ENCRYPT_FL)
+ add_encrypted_dir(ctx, ino);
} else if (LINUX_S_ISREG (inode->i_mode)) {
ext2fs_mark_inode_bitmap2(ctx->inode_reg_map, ino);
ctx->fs_regular_count++;
if (inode->i_flags & EXT4_INLINE_DATA_FL) {
FINISH_INODE_LOOP(ctx, ino, &pctx, failed_csum);
continue;
- } else if (ext2fs_inode_data_blocks(fs, inode) == 0) {
+ } else if (ext2fs_is_fast_symlink(inode)) {
ctx->fs_fast_symlinks_count++;
- check_blocks(ctx, &pctx, block_buf);
+ check_blocks(ctx, &pctx, block_buf,
+ &ea_ibody_quota);
FINISH_INODE_LOOP(ctx, ino, &pctx, failed_csum);
continue;
}
inode->i_block[EXT2_DIND_BLOCK] ||
inode->i_block[EXT2_TIND_BLOCK] ||
ext2fs_file_acl_block(fs, inode))) {
- inodes_to_process[process_inode_count].ino = ino;
- inodes_to_process[process_inode_count].inode = *inode;
+ struct process_inode_block *itp;
+
+ itp = &inodes_to_process[process_inode_count];
+ itp->ino = ino;
+ itp->ea_ibody_quota = ea_ibody_quota;
+ if (inode_size < sizeof(struct ext2_inode_large))
+ memcpy(&itp->inode, inode, inode_size);
+ else
+ memcpy(&itp->inode, inode, sizeof(itp->inode));
process_inode_count++;
} else
- check_blocks(ctx, &pctx, block_buf);
+ check_blocks(ctx, &pctx, block_buf, &ea_ibody_quota);
FINISH_INODE_LOOP(ctx, ino, &pctx, failed_csum);
ctx->refcount_extra = 0;
}
+ if (ctx->ea_block_quota_blocks) {
+ ea_refcount_free(ctx->ea_block_quota_blocks);
+ ctx->ea_block_quota_blocks = 0;
+ }
+
+ if (ctx->ea_block_quota_inodes) {
+ ea_refcount_free(ctx->ea_block_quota_inodes);
+ ctx->ea_block_quota_inodes = 0;
+ }
+
if (ctx->invalid_bitmaps)
handle_fs_bad_blocks(ctx);
}
e2fsck_pass1_dupblocks(ctx, block_buf);
}
+ ctx->flags |= E2F_FLAG_ALLOC_OK;
ext2fs_free_mem(&inodes_to_process);
endit:
e2fsck_use_inode_shortcuts(ctx, 0);
if ((ctx->flags & E2F_FLAG_SIGNAL_MASK) == 0)
print_resource_track(ctx, _("Pass 1"), &rtrack, ctx->fs->io);
+ else
+ ctx->invalid_bitmaps++;
}
#undef FINISH_INODE_LOOP
sizeof(struct process_inode_block), process_inode_cmp);
clear_problem_context(&pctx);
for (i=0; i < process_inode_count; i++) {
- pctx.inode = ctx->stashed_inode = &inodes_to_process[i].inode;
+ pctx.inode = ctx->stashed_inode =
+ (struct ext2_inode *) &inodes_to_process[i].inode;
pctx.ino = ctx->stashed_ino = inodes_to_process[i].ino;
#if 0
sprintf(buf, _("reading indirect blocks of inode %u"),
pctx.ino);
ehandler_operation(buf);
- check_blocks(ctx, &pctx, block_buf);
+ check_blocks(ctx, &pctx, block_buf,
+ &inodes_to_process[i].ea_ibody_quota);
if (ctx->flags & E2F_FLAG_SIGNAL_MASK)
break;
}
* inodes, so it's OK to pass NULL to
* ext2fs_file_acl_block() here.
*/
- ret = ext2fs_file_acl_block(0, &(ib_a->inode)) -
- ext2fs_file_acl_block(0, &(ib_b->inode));
+ ret = ext2fs_file_acl_block(0, ext2fs_const_inode(&ib_a->inode)) -
+ ext2fs_file_acl_block(0, ext2fs_const_inode(&ib_b->inode));
if (ret == 0)
ret = ib_a->ino - ib_b->ino;
return ret;
ext2fs_mark_inode_bitmap2(ctx->inode_bad_map, ino);
}
+static void add_encrypted_dir(e2fsck_t ctx, ino_t ino)
+{
+ struct problem_context pctx;
+
+ if (!ctx->encrypted_dirs) {
+ pctx.errcode = ext2fs_u32_list_create(&ctx->encrypted_dirs, 0);
+ if (pctx.errcode)
+ goto error;
+ }
+ pctx.errcode = ext2fs_u32_list_add(ctx->encrypted_dirs, ino);
+ if (pctx.errcode == 0)
+ return;
+error:
+ fix_problem(ctx, PR_1_ALLOCATE_ENCRYPTED_DIRLIST, &pctx);
+ /* Should never get here */
+ ctx->flags |= E2F_FLAG_ABORT;
+}
/*
* This procedure will allocate the inode "bb" (badblock) map table
}
}
+/*
+ * When cluster size is greater than one block, it is caller's responsibility
+ * to make sure block parameter starts at a cluster boundary.
+ */
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++);
+ else {
+ int i;
+ for (i = 0; i < num; i += EXT2FS_CLUSTER_RATIO(ctx->fs))
+ mark_block_used(ctx, block + i);
+ }
}
/*
ext2_filsys fs = ctx->fs;
blk64_t blk;
__u32 should_be;
- int count;
+ ea_value_t count;
clear_problem_context(&pctx);
}
header = (struct ext2_ext_attr_header *) block_buf;
pctx.blkcount = header->h_refcount;
- should_be = header->h_refcount + adjust_sign * count;
+ should_be = header->h_refcount + adjust_sign * (int)count;
pctx.num = should_be;
if (fix_problem(ctx, PR_1_EXTATTR_REFCOUNT, &pctx)) {
header->h_refcount = should_be;
* Handle processing the extended attribute blocks
*/
static int check_ext_attr(e2fsck_t ctx, struct problem_context *pctx,
- char *block_buf)
+ char *block_buf, struct ea_quota *ea_block_quota)
{
ext2_filsys fs = ctx->fs;
ext2_ino_t ino = pctx->ino;
blk64_t blk;
char * end;
struct ext2_ext_attr_header *header;
- struct ext2_ext_attr_entry *entry;
- int count;
+ struct ext2_ext_attr_entry *first, *entry;
+ blk64_t quota_blocks = EXT2FS_C2B(fs, 1);
+ __u64 quota_inodes = 0;
region_t region = 0;
int failed_csum = 0;
+ ea_block_quota->blocks = 0;
+ ea_block_quota->inodes = 0;
+
blk = ext2fs_file_acl_block(fs, inode);
if (blk == 0)
return 0;
* Or if the extended attribute block is an invalid block,
* then the inode is also corrupted.
*/
- if (!(fs->super->s_feature_compat & EXT2_FEATURE_COMPAT_EXT_ATTR) ||
+ if (!ext2fs_has_feature_xattr(fs->super) ||
(blk < fs->super->s_first_data_block) ||
(blk >= ext2fs_blocks_count(fs->super))) {
mark_inode_bad(ctx, ino);
/* Have we seen this EA block before? */
if (ext2fs_fast_test_block_bitmap2(ctx->block_ea_map, blk)) {
+ ea_block_quota->blocks = EXT2FS_C2B(fs, 1);
+ ea_block_quota->inodes = 0;
+
+ if (ctx->ea_block_quota_blocks) {
+ ea_refcount_fetch(ctx->ea_block_quota_blocks, blk,
+ "a_blocks);
+ if (quota_blocks)
+ ea_block_quota->blocks = quota_blocks;
+ }
+
+ if (ctx->ea_block_quota_inodes)
+ ea_refcount_fetch(ctx->ea_block_quota_inodes, blk,
+ &ea_block_quota->inodes);
+
if (ea_refcount_decrement(ctx->refcount, blk, 0) == 0)
return 1;
/* Ooops, this EA was referenced more than it stated */
goto clear_extattr;
}
- entry = (struct ext2_ext_attr_entry *)(header+1);
+ first = (struct ext2_ext_attr_entry *)(header+1);
end = block_buf + fs->blocksize;
+ entry = first;
while ((char *)entry < end && *(__u32 *)entry) {
__u32 hash;
goto clear_extattr;
break;
}
- if (entry->e_value_block != 0) {
- if (fix_problem(ctx, PR_1_EA_BAD_VALUE, pctx))
- goto clear_extattr;
- }
- if (entry->e_value_offs + entry->e_value_size > fs->blocksize) {
- if (fix_problem(ctx, PR_1_EA_BAD_VALUE, pctx))
- goto clear_extattr;
- break;
- }
- if (entry->e_value_size &&
- region_allocate(region, entry->e_value_offs,
- EXT2_EXT_ATTR_SIZE(entry->e_value_size))) {
- if (fix_problem(ctx, PR_1_EA_ALLOC_COLLISION, pctx))
- goto clear_extattr;
- }
+ if (entry->e_value_inum == 0) {
+ if (entry->e_value_offs + entry->e_value_size >
+ fs->blocksize) {
+ if (fix_problem(ctx, PR_1_EA_BAD_VALUE, pctx))
+ goto clear_extattr;
+ break;
+ }
+ if (entry->e_value_size &&
+ region_allocate(region, entry->e_value_offs,
+ EXT2_EXT_ATTR_SIZE(entry->e_value_size))) {
+ if (fix_problem(ctx, PR_1_EA_ALLOC_COLLISION,
+ pctx))
+ goto clear_extattr;
+ }
- hash = ext2fs_ext_attr_hash_entry(entry, block_buf +
- entry->e_value_offs);
+ hash = ext2fs_ext_attr_hash_entry(entry, block_buf +
+ entry->e_value_offs);
+
+ if (entry->e_hash != hash) {
+ pctx->num = entry->e_hash;
+ if (fix_problem(ctx, PR_1_ATTR_HASH, pctx))
+ goto clear_extattr;
+ entry->e_hash = hash;
+ }
+ } else {
+ problem_t problem;
+ blk64_t entry_quota_blocks;
- if (entry->e_hash != hash) {
- pctx->num = entry->e_hash;
- if (fix_problem(ctx, PR_1_ATTR_HASH, pctx))
+ problem = check_large_ea_inode(ctx, entry, pctx,
+ &entry_quota_blocks);
+ if (problem && fix_problem(ctx, problem, pctx))
goto clear_extattr;
- entry->e_hash = hash;
+
+ quota_blocks += entry_quota_blocks;
+ quota_inodes++;
}
entry = EXT2_EXT_ATTR_NEXT(entry);
return 0;
}
- count = header->h_refcount - 1;
- if (count)
- ea_refcount_store(ctx->refcount, blk, count);
+ if (quota_blocks != EXT2FS_C2B(fs, 1)) {
+ if (!ctx->ea_block_quota_blocks) {
+ pctx->errcode = ea_refcount_create(0,
+ &ctx->ea_block_quota_blocks);
+ if (pctx->errcode) {
+ pctx->num = 3;
+ goto refcount_fail;
+ }
+ }
+ ea_refcount_store(ctx->ea_block_quota_blocks, blk,
+ quota_blocks);
+ }
+
+ if (quota_inodes) {
+ if (!ctx->ea_block_quota_inodes) {
+ pctx->errcode = ea_refcount_create(0,
+ &ctx->ea_block_quota_inodes);
+ if (pctx->errcode) {
+ pctx->num = 4;
+refcount_fail:
+ fix_problem(ctx, PR_1_ALLOCATE_REFCOUNT, pctx);
+ ctx->flags |= E2F_FLAG_ABORT;
+ return 0;
+ }
+ }
+
+ ea_refcount_store(ctx->ea_block_quota_inodes, blk,
+ quota_inodes);
+ }
+ ea_block_quota->blocks = quota_blocks;
+ ea_block_quota->inodes = quota_inodes;
+
+ inc_ea_inode_refs(ctx, pctx, first, end);
+ ea_refcount_store(ctx->refcount, blk, header->h_refcount - 1);
mark_block_used(ctx, blk);
ext2fs_fast_mark_block_bitmap2(ctx->block_ea_map, blk);
return 1;
if ((!LINUX_S_ISDIR(inode->i_mode) &&
fix_problem(ctx, PR_1_HTREE_NODIR, pctx)) ||
- (!(fs->super->s_feature_compat & EXT2_FEATURE_COMPAT_DIR_INDEX) &&
+ (!ext2fs_has_feature_dir_index(fs->super) &&
fix_problem(ctx, PR_1_HTREE_SET, pctx)))
return 1;
return 1;
pctx->num = root->indirect_levels;
- if ((root->indirect_levels > 1) &&
+ if ((root->indirect_levels > ext2_dir_htree_level(fs)) &&
fix_problem(ctx, PR_1_HTREE_DEPTH, pctx))
return 1;
ext2fs_icount_store(ctx->inode_link_info, ino, 0);
inode->i_dtime = ctx->now;
+ /*
+ * If a special inode has such rotten block mappings that we
+ * want to clear the whole inode, be sure to actually zap
+ * the block maps because i_links_count isn't checked for
+ * special inodes, and we'll end up right back here the next
+ * time we run fsck.
+ */
+ if (ino < EXT2_FIRST_INODE(ctx->fs->super))
+ memset(inode->i_block, 0, sizeof(inode->i_block));
+
ext2fs_unmark_inode_bitmap2(ctx->inode_dir_map, ino);
ext2fs_unmark_inode_bitmap2(ctx->inode_used_map, ino);
if (ctx->inode_reg_map)
* line up.
*/
static int has_unaligned_cluster_map(e2fsck_t ctx,
- blk64_t last_pblk, e2_blkcnt_t last_lblk,
+ blk64_t last_pblk, blk64_t last_lblk,
blk64_t pblk, blk64_t lblk)
{
blk64_t cluster_mask;
{
struct ext2fs_extent extent;
blk64_t blk, last_lblk;
- e2_blkcnt_t blockcnt;
- unsigned int i;
+ unsigned int i, n;
int is_dir, is_leaf;
problem_t problem;
struct ext2_extent_info info;
pctx->errcode = ext2fs_extent_get_info(ehandle, &info);
if (pctx->errcode)
return;
+ if (!(ctx->options & E2F_OPT_FIXES_ONLY) &&
+ !pb->eti.force_rebuild) {
+ struct extent_tree_level *etl;
+
+ etl = pb->eti.ext_info + info.curr_level;
+ etl->num_extents += info.num_entries;
+ etl->max_extents += info.max_entries;
+ /*
+ * Implementation wart: Splitting extent blocks when appending
+ * will leave the old block with one free entry. Therefore
+ * unless the node is totally full, pretend that a non-root
+ * extent block can hold one fewer entry than it actually does,
+ * so that we don't repeatedly rebuild the extent tree.
+ */
+ if (info.curr_level && info.num_entries < info.max_entries)
+ etl->max_extents--;
+ }
pctx->errcode = ext2fs_extent_get(ehandle, EXT2_EXTENT_FIRST_SIB,
&extent);
problem = PR_1_EXTENT_ENDS_BEYOND;
else if (is_leaf && is_dir &&
((extent.e_lblk + extent.e_len) >
- (1 << (21 - ctx->fs->super->s_log_block_size))))
+ (1U << (21 - ctx->fs->super->s_log_block_size))))
problem = PR_1_TOOBIG_DIR;
- if (is_leaf && problem == 0 && extent.e_len > 0 &&
- region_allocate(pb->region, extent.e_lblk, extent.e_len))
- problem = PR_1_EXTENT_COLLISION;
+ if (is_leaf && problem == 0 && extent.e_len > 0) {
+#if 0
+ printf("extent_region(ino=%u, expect=%llu, "
+ "lblk=%llu, len=%u)\n",
+ pb->ino, pb->next_lblock,
+ extent.e_lblk, extent.e_len);
+#endif
+ if (extent.e_lblk < pb->next_lblock)
+ problem = PR_1_EXTENT_COLLISION;
+ else if (extent.e_lblk + extent.e_len > pb->next_lblock)
+ pb->next_lblock = extent.e_lblk + extent.e_len;
+ }
/*
* Uninitialized blocks in a directory? Clear the flag and
* will reallocate the block; then we can try again.
*/
if (pb->ino != EXT2_RESIZE_INO &&
+ extent.e_pblk < ctx->fs->super->s_blocks_count &&
ext2fs_test_block_bitmap2(ctx->block_metadata_map,
extent.e_pblk)) {
next_try_repairs = 0;
fix_problem(ctx,
PR_1_CRITICAL_METADATA_COLLISION,
pctx);
- ctx->flags |= E2F_FLAG_RESTART_LATER;
+ if ((ctx->options & E2F_OPT_NO) == 0)
+ ctx->flags |= E2F_FLAG_RESTART_LATER;
}
pctx->errcode = ext2fs_extent_get(ehandle,
EXT2_EXTENT_DOWN, &extent);
* pass 3 allocating empty directory blocks to fill the hole.
*/
if (try_repairs && is_dir &&
- pb->last_block + 1 < (e2_blkcnt_t)extent.e_lblk) {
+ pb->last_block + 1 < extent.e_lblk) {
blk64_t new_lblk;
new_lblk = pb->last_block + 1;
}
}
alloc_later:
- while (is_dir && (++pb->last_db_block <
- (e2_blkcnt_t) extent.e_lblk)) {
- pctx->errcode = ext2fs_add_dir_block2(ctx->fs->dblist,
- pb->ino, 0,
- pb->last_db_block);
- if (pctx->errcode) {
- pctx->blk = 0;
- pctx->num = pb->last_db_block;
- 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 &&
- (EXT2FS_B2C(ctx->fs, blk) ==
- EXT2FS_B2C(ctx->fs, pb->previous_block)) &&
- (blk & EXT2FS_CLUSTER_MASK(ctx->fs)) ==
- ((unsigned) blockcnt & EXT2FS_CLUSTER_MASK(ctx->fs)))) {
- mark_block_used(ctx, blk);
- pb->num_blocks++;
- }
- if (has_unaligned_cluster_map(ctx, pb->previous_block,
- pb->last_block, blk,
- blockcnt)) {
- pctx->blk = blockcnt;
- pctx->blk2 = blk;
- fix_problem(ctx, PR_1_MISALIGNED_CLUSTER, pctx);
- mark_block_used(ctx, blk);
- mark_block_used(ctx, blk);
+ if (is_dir) {
+ while (++pb->last_db_block <
+ (e2_blkcnt_t) extent.e_lblk) {
+ pctx->errcode = ext2fs_add_dir_block2(
+ ctx->fs->dblist,
+ pb->ino, 0,
+ pb->last_db_block);
+ if (pctx->errcode) {
+ pctx->blk = 0;
+ pctx->num = pb->last_db_block;
+ goto failed_add_dir_block;
+ }
}
- pb->last_block = blockcnt;
- pb->previous_block = blk;
- if (is_dir) {
- pctx->errcode = ext2fs_add_dir_block2(ctx->fs->dblist, pctx->ino, blk, blockcnt);
+ for (i = 0; i < extent.e_len; i++) {
+ pctx->errcode = ext2fs_add_dir_block2(
+ ctx->fs->dblist,
+ pctx->ino,
+ extent.e_pblk + i,
+ extent.e_lblk + i);
if (pctx->errcode) {
- pctx->blk = blk;
- pctx->num = blockcnt;
+ pctx->blk = extent.e_pblk + i;
+ pctx->num = extent.e_lblk + i;
failed_add_dir_block:
fix_problem(ctx, PR_1_ADD_DBLOCK, pctx);
/* Should never get here */
return;
}
}
+ if (extent.e_len > 0)
+ pb->last_db_block = extent.e_lblk + extent.e_len - 1;
}
- if (is_dir && extent.e_len > 0)
- pb->last_db_block = blockcnt - 1;
+ if (has_unaligned_cluster_map(ctx, pb->previous_block,
+ pb->last_block,
+ extent.e_pblk,
+ extent.e_lblk)) {
+ for (i = 0; i < extent.e_len; i++) {
+ pctx->blk = extent.e_lblk + i;
+ pctx->blk2 = extent.e_pblk + i;
+ fix_problem(ctx, PR_1_MISALIGNED_CLUSTER, pctx);
+ mark_block_used(ctx, extent.e_pblk + i);
+ mark_block_used(ctx, extent.e_pblk + i);
+ }
+ }
+
+ /*
+ * Check whether first cluster got marked in previous iteration.
+ */
+ if (ctx->fs->cluster_ratio_bits &&
+ pb->previous_block &&
+ (EXT2FS_B2C(ctx->fs, extent.e_pblk) ==
+ EXT2FS_B2C(ctx->fs, pb->previous_block)))
+ /* Set blk to the beginning of next cluster. */
+ blk = EXT2FS_C2B(
+ ctx->fs,
+ EXT2FS_B2C(ctx->fs, extent.e_pblk) + 1);
+ else
+ /* Set blk to the beginning of current cluster. */
+ blk = EXT2FS_C2B(ctx->fs,
+ EXT2FS_B2C(ctx->fs, extent.e_pblk));
+
+ if (blk < extent.e_pblk + extent.e_len) {
+ mark_blocks_used(ctx, blk,
+ extent.e_pblk + extent.e_len - blk);
+ n = DIV_ROUND_UP(extent.e_pblk + extent.e_len - blk,
+ EXT2FS_CLUSTER_RATIO(ctx->fs));
+ pb->num_blocks += n;
+ }
+ pb->last_block = extent.e_lblk + extent.e_len - 1;
pb->previous_block = extent.e_pblk + extent.e_len - 1;
start_block = pb->last_block = last_lblk;
if (is_leaf && !is_dir &&
ext2_ino_t ino = pctx->ino;
errcode_t retval;
blk64_t eof_lblk;
+ struct ext3_extent_header *eh;
+
+ /* Check for a proper extent header... */
+ eh = (struct ext3_extent_header *) &inode->i_block[0];
+ retval = ext2fs_extent_header_verify(eh, sizeof(inode->i_block));
+ if (retval) {
+ if (fix_problem(ctx, PR_1_MISSING_EXTENT_HEADER, pctx))
+ e2fsck_clear_inode(ctx, ino, inode, 0,
+ "check_blocks_extents");
+ pctx->errcode = 0;
+ return;
+ }
+ /* ...since this function doesn't fail if i_block is zeroed. */
pctx->errcode = ext2fs_extent_open2(fs, ino, inode, &ehandle);
if (pctx->errcode) {
if (fix_problem(ctx, PR_1_READ_EXTENT, pctx))
retval = ext2fs_extent_get_info(ehandle, &info);
if (retval == 0) {
- if (info.max_depth >= MAX_EXTENT_DEPTH_COUNT)
- info.max_depth = MAX_EXTENT_DEPTH_COUNT-1;
- ctx->extent_depth_count[info.max_depth]++;
- }
+ int max_depth = info.max_depth;
- pb->region = region_create(0, info.max_lblk);
- if (!pb->region) {
- ext2fs_extent_free(ehandle);
- fix_problem(ctx, PR_1_EXTENT_ALLOC_REGION_ABORT, pctx);
- ctx->flags |= E2F_FLAG_ABORT;
- return;
+ if (max_depth >= MAX_EXTENT_DEPTH_COUNT)
+ max_depth = MAX_EXTENT_DEPTH_COUNT-1;
+ ctx->extent_depth_count[max_depth]++;
}
+ /* Check maximum extent depth */
+ pctx->blk = info.max_depth;
+ pctx->blk2 = ext2fs_max_extent_depth(ehandle);
+ if (pctx->blk2 < pctx->blk &&
+ fix_problem(ctx, PR_1_EXTENT_BAD_MAX_DEPTH, pctx))
+ pb->eti.force_rebuild = 1;
+
+ /* Can we collect extent tree level stats? */
+ pctx->blk = MAX_EXTENT_DEPTH_COUNT;
+ if (pctx->blk2 > pctx->blk)
+ fix_problem(ctx, PR_1E_MAX_EXTENT_TREE_DEPTH, pctx);
+ memset(pb->eti.ext_info, 0, sizeof(pb->eti.ext_info));
+ pb->eti.ino = pb->ino;
+
+ pb->next_lblock = 0;
+
eof_lblk = ((EXT2_I_SIZE(inode) + fs->blocksize - 1) >>
EXT2_BLOCK_SIZE_BITS(fs->super)) - 1;
scan_extent_node(ctx, pctx, pb, 0, 0, eof_lblk, ehandle, 1);
"check_blocks_extents");
pctx->errcode = 0;
}
- region_free(pb->region);
- pb->region = NULL;
ext2fs_extent_free(ehandle);
+
+ /* Rebuild unless it's a dir and we're rehashing it */
+ if (LINUX_S_ISDIR(inode->i_mode) &&
+ e2fsck_dir_will_be_rehashed(ctx, ino))
+ return;
+
+ if (ctx->options & E2F_OPT_CONVERT_BMAP)
+ e2fsck_rebuild_extents_later(ctx, ino);
+ else
+ e2fsck_should_rebuild_extents(ctx, pctx, &pb->eti, &info);
}
/*
static void check_blocks_inline_data(e2fsck_t ctx, struct problem_context *pctx,
struct process_block_struct *pb)
{
+ int flags;
+ size_t inline_data_size = 0;
+
if (!pb->is_dir) {
pctx->errcode = 0;
return;
}
+ /* Process the dirents in i_block[] as the "first" block. */
pctx->errcode = ext2fs_add_dir_block2(ctx->fs->dblist, pb->ino, 0, 0);
+ if (pctx->errcode)
+ goto err;
+
+ /* Process the dirents in the EA as a "second" block. */
+ flags = ctx->fs->flags;
+ ctx->fs->flags |= EXT2_FLAG_IGNORE_CSUM_ERRORS;
+ pctx->errcode = ext2fs_inline_data_size(ctx->fs, pb->ino,
+ &inline_data_size);
+ ctx->fs->flags = (flags & EXT2_FLAG_IGNORE_CSUM_ERRORS) |
+ (ctx->fs->flags & ~EXT2_FLAG_IGNORE_CSUM_ERRORS);
if (pctx->errcode) {
- pctx->blk = 0;
- pctx->num = 0;
- fix_problem(ctx, PR_1_ADD_DBLOCK, pctx);
- ctx->flags |= E2F_FLAG_ABORT;
+ pctx->errcode = 0;
+ return;
}
+
+ if (inline_data_size <= EXT4_MIN_INLINE_DATA_SIZE)
+ return;
+
+ pctx->errcode = ext2fs_add_dir_block2(ctx->fs->dblist, pb->ino, 0, 1);
+ if (pctx->errcode)
+ goto err;
+
+ return;
+err:
+ pctx->blk = 0;
+ pctx->num = 0;
+ fix_problem(ctx, PR_1_ADD_DBLOCK, pctx);
+ ctx->flags |= E2F_FLAG_ABORT;
}
/*
* blocks used by that inode.
*/
static void check_blocks(e2fsck_t ctx, struct problem_context *pctx,
- char *block_buf)
+ char *block_buf, const struct ea_quota *ea_ibody_quota)
{
ext2_filsys fs = ctx->fs;
struct process_block_struct pb;
int extent_fs;
int inlinedata_fs;
__u64 size;
+ struct ea_quota ea_block_quota;
pb.ino = ino;
- pb.num_blocks = 0;
- pb.last_block = -1;
+ pb.num_blocks = EXT2FS_B2C(ctx->fs,
+ ea_ibody_quota ? ea_ibody_quota->blocks : 0);
+ pb.last_block = ~0;
pb.last_init_lblock = -1;
pb.last_db_block = -1;
pb.num_illegal_blocks = 0;
pb.previous_block = 0;
pb.is_dir = LINUX_S_ISDIR(inode->i_mode);
pb.is_reg = LINUX_S_ISREG(inode->i_mode);
- pb.max_blocks = 1 << (31 - fs->super->s_log_block_size);
+ pb.max_blocks = 1U << (31 - fs->super->s_log_block_size);
pb.inode = inode;
pb.pctx = pctx;
pb.ctx = ctx;
pb.inode_modified = 0;
- pb.bad_ref = 0;
+ pb.eti.force_rebuild = 0;
pctx->ino = ino;
pctx->errcode = 0;
- extent_fs = (ctx->fs->super->s_feature_incompat &
- EXT3_FEATURE_INCOMPAT_EXTENTS);
- inlinedata_fs = (ctx->fs->super->s_feature_incompat &
- EXT4_FEATURE_INCOMPAT_INLINE_DATA);
+ extent_fs = ext2fs_has_feature_extents(ctx->fs->super);
+ inlinedata_fs = ext2fs_has_feature_inline_data(ctx->fs->super);
- if (inode->i_flags & EXT2_COMPRBLK_FL) {
- if (fs->super->s_feature_incompat &
- EXT2_FEATURE_INCOMPAT_COMPRESSION)
- pb.compressed = 1;
- else {
- if (fix_problem(ctx, PR_1_COMPR_SET, pctx)) {
- inode->i_flags &= ~EXT2_COMPRBLK_FL;
- dirty_inode++;
- }
- }
- }
-
- if (check_ext_attr(ctx, pctx, block_buf)) {
+ if (check_ext_attr(ctx, pctx, block_buf, &ea_block_quota)) {
if (ctx->flags & E2F_FLAG_SIGNAL_MASK)
goto out;
- pb.num_blocks++;
+ pb.num_blocks += EXT2FS_B2C(ctx->fs, ea_block_quota.blocks);
}
if (inlinedata_fs && (inode->i_flags & EXT4_INLINE_DATA_FL))
"check_blocks");
fs->flags = (flags & EXT2_FLAG_IGNORE_CSUM_ERRORS) |
(fs->flags & ~EXT2_FLAG_IGNORE_CSUM_ERRORS);
+
+ if (ctx->options & E2F_OPT_CONVERT_BMAP) {
+#ifdef DEBUG
+ printf("bmap rebuild ino=%d\n", ino);
+#endif
+ if (!LINUX_S_ISDIR(inode->i_mode) ||
+ !e2fsck_dir_will_be_rehashed(ctx, ino))
+ e2fsck_rebuild_extents_later(ctx, ino);
+ }
}
}
end_problem_latch(ctx, PR_LATCH_BLOCK);
inode->i_flags &= ~EXT2_INDEX_FL;
dirty_inode++;
} else {
-#ifdef ENABLE_HTREE
e2fsck_add_dx_dir(ctx, ino, pb.last_block+1);
-#endif
}
}
}
}
- if (ino == EXT2_ROOT_INO || ino >= EXT2_FIRST_INODE(ctx->fs->super)) {
- quota_data_add(ctx->qctx, inode, ino,
- pb.num_blocks * fs->blocksize);
- quota_data_inodes(ctx->qctx, inode, ino, +1);
+ if (ino != quota_type2inum(PRJQUOTA, fs->super) &&
+ (ino == EXT2_ROOT_INO || ino >= EXT2_FIRST_INODE(ctx->fs->super)) &&
+ !(inode->i_flags & EXT4_EA_INODE_FL)) {
+ quota_data_add(ctx->qctx, (struct ext2_inode_large *) inode,
+ ino,
+ pb.num_blocks * EXT2_CLUSTER_SIZE(fs->super));
+ quota_data_inodes(ctx->qctx, (struct ext2_inode_large *) inode,
+ ino, (ea_ibody_quota ?
+ ea_ibody_quota->inodes : 0) +
+ ea_block_quota.inodes + 1);
}
- if (!(fs->super->s_feature_ro_compat &
- EXT4_FEATURE_RO_COMPAT_HUGE_FILE) ||
+ if (!ext2fs_has_feature_huge_file(fs->super) ||
!(inode->i_flags & EXT4_HUGE_FILE_FL))
pb.num_blocks *= (fs->blocksize / 512);
pb.num_blocks *= EXT2FS_CLUSTER_RATIO(fs);
#if 0
- printf("inode %u, i_size = %u, last_block = %lld, i_blocks=%llu, num_blocks = %llu\n",
+ printf("inode %u, i_size = %u, last_block = %llu, i_blocks=%llu, num_blocks = %llu\n",
ino, inode->i_size, pb.last_block, ext2fs_inode_i_blocks(fs, inode),
pb.num_blocks);
#endif
if (pb.is_dir) {
- int nblock = inode->i_size >> EXT2_BLOCK_SIZE_BITS(fs->super);
+ unsigned nblock = inode->i_size >> EXT2_BLOCK_SIZE_BITS(fs->super);
if (inode->i_flags & EXT4_INLINE_DATA_FL) {
int flags;
- size_t size;
+ size_t sz = 0;
errcode_t err;
- size = 0;
flags = ctx->fs->flags;
ctx->fs->flags |= EXT2_FLAG_IGNORE_CSUM_ERRORS;
err = ext2fs_inline_data_size(ctx->fs, pctx->ino,
- &size);
+ &sz);
ctx->fs->flags = (flags &
EXT2_FLAG_IGNORE_CSUM_ERRORS) |
(ctx->fs->flags &
~EXT2_FLAG_IGNORE_CSUM_ERRORS);
- if (err || size != inode->i_size) {
+ if (err || sz != inode->i_size) {
bad_size = 7;
- pctx->num = size;
+ pctx->num = sz;
}
} else if (inode->i_size & (fs->blocksize - 1))
bad_size = 5;
if (LINUX_S_ISREG(inode->i_mode) &&
ext2fs_needs_large_file_feature(EXT2_I_SIZE(inode)))
ctx->large_files++;
- if ((pb.num_blocks != ext2fs_inode_i_blocks(fs, inode)) ||
- ((fs->super->s_feature_ro_compat &
- EXT4_FEATURE_RO_COMPAT_HUGE_FILE) &&
- (inode->i_flags & EXT4_HUGE_FILE_FL) &&
- (inode->osd2.linux2.l_i_blocks_hi != 0))) {
+ if ((fs->super->s_creator_os != EXT2_OS_HURD) &&
+ ((pb.num_blocks != ext2fs_inode_i_blocks(fs, inode)) ||
+ (ext2fs_has_feature_huge_file(fs->super) &&
+ (inode->i_flags & EXT4_HUGE_FILE_FL) &&
+ (inode->osd2.linux2.l_i_blocks_hi != 0)))) {
pctx->num = pb.num_blocks;
if (fix_problem(ctx, PR_1_BAD_I_BLOCKS, pctx)) {
inode->i_blocks = pb.num_blocks;
pctx->num = 0;
}
+ /*
+ * The kernel gets mad if we ask it to allocate bigalloc clusters to
+ * a block mapped file, so rebuild it as an extent file. We can skip
+ * symlinks because they're never rewritten.
+ */
+ if (ext2fs_has_feature_bigalloc(fs->super) &&
+ (LINUX_S_ISREG(inode->i_mode) || LINUX_S_ISDIR(inode->i_mode)) &&
+ ext2fs_inode_data_blocks2(fs, inode) > 0 &&
+ (ino == EXT2_ROOT_INO || ino >= EXT2_FIRST_INO(fs->super)) &&
+ !(inode->i_flags & (EXT4_EXTENTS_FL | EXT4_INLINE_DATA_FL)) &&
+ fix_problem(ctx, PR_1_NO_BIGALLOC_BLOCKMAP_FILES, pctx)) {
+ pctx->errcode = e2fsck_rebuild_extents_later(ctx, ino);
+ if (pctx->errcode)
+ goto out;
+ }
+
if (ctx->dirs_to_hash && pb.is_dir &&
!(ctx->lost_and_found && ctx->lost_and_found == ino) &&
!(inode->i_flags & EXT2_INDEX_FL) &&
pctx = p->pctx;
ctx = p->ctx;
- if (p->compressed && (blk == EXT2FS_COMPRESSED_BLKADDR)) {
- /* todo: Check that the comprblk_fl is high, that the
- blkaddr pattern looks right (all non-holes up to
- first EXT2FS_COMPRESSED_BLKADDR, then all
- EXT2FS_COMPRESSED_BLKADDR up to end of cluster),
- that the feature_incompat bit is high, and that the
- inode is a regular file. If we're doing a "full
- check" (a concept introduced to e2fsck by e2compr,
- meaning that we look at data blocks as well as
- metadata) then call some library routine that
- checks the compressed data. I'll have to think
- about this, because one particularly important
- problem to be able to fix is to recalculate the
- cluster size if necessary. I think that perhaps
- we'd better do most/all e2compr-specific checks
- separately, after the non-e2compr checks. If not
- doing a full check, it may be useful to test that
- the personality is linux; e.g. if it isn't then
- perhaps this really is just an illegal block. */
- return 0;
- }
-
/*
* For a directory, add logical block zero for processing even if it's
* not mapped or we'll be perennially stuck with broken "." and ".."
* file be contiguous. (Which can never be true for really
* big files that are greater than a block group.)
*/
- if (!HOLE_BLKADDR(p->previous_block) && p->ino != EXT2_RESIZE_INO) {
+ if (p->previous_block && p->ino != EXT2_RESIZE_INO) {
if (p->previous_block+1 != blk) {
if (ctx->options & E2F_OPT_FRAGCHECK) {
char type = '?';
*/
if (blockcnt < 0 &&
p->ino != EXT2_RESIZE_INO &&
+ blk < ctx->fs->super->s_blocks_count &&
ext2fs_test_block_bitmap2(ctx->block_metadata_map, blk)) {
- p->bad_ref = blk;
pctx->blk = blk;
fix_problem(ctx, PR_1_CRITICAL_METADATA_COLLISION, pctx);
- ctx->flags |= E2F_FLAG_RESTART_LATER;
+ if ((ctx->options & E2F_OPT_NO) == 0)
+ ctx->flags |= E2F_FLAG_RESTART_LATER;
}
if (problem) {
p->num_illegal_blocks++;
/*
* A bit of subterfuge here -- we're trying to fix a block
- * mapping, but know that the IND/DIND/TIND block has collided
+ * mapping, but the IND/DIND/TIND block could have collided
* with some critical metadata. So, fix the in-core mapping so
* iterate won't go insane, but return 0 instead of
* BLOCK_CHANGED so that it won't write the remapping out to
* our multiply linked block.
+ *
+ * Even if we previously determined that an *IND block
+ * conflicts with critical metadata, we must still try to
+ * iterate the *IND block as if it is an *IND block to find and
+ * mark the blocks it points to. Better to be overly cautious
+ * with the used_blocks map so that we don't move the *IND
+ * block to a block that's really in use!
*/
- if (p->bad_ref && ref_block == p->bad_ref) {
+ if (p->ino != EXT2_RESIZE_INO &&
+ ref_block != 0 &&
+ ext2fs_test_block_bitmap2(ctx->block_metadata_map,
+ ref_block)) {
*block_nr = 0;
return 0;
}
struct problem_context *pctx;
e2fsck_t ctx;
- /*
- * Note: This function processes blocks for the bad blocks
- * inode, which is never compressed. So we don't use HOLE_BLKADDR().
- */
-
if (!blk)
return 0;
* within the flex_bg, and if that fails then try finding the
* space anywhere in the filesystem.
*/
- is_flexbg = EXT2_HAS_INCOMPAT_FEATURE(fs->super,
- EXT4_FEATURE_INCOMPAT_FLEX_BG);
+ is_flexbg = ext2fs_has_feature_flex_bg(fs->super);
if (is_flexbg) {
flexbg_size = 1 << fs->super->s_log_groups_per_flex;
flexbg = group / flexbg_size;
}
/*
- * Thes subroutines short circuits ext2fs_get_blocks and
+ * These subroutines short circuits ext2fs_get_blocks and
* ext2fs_check_directory; we use them since we already have the inode
* structure, so there's no point in letting the ext2fs library read
* the inode again.
return retval;
}
- retval = ext2fs_new_block2(fs, goal, 0, &new_block);
+ retval = ext2fs_new_block2(fs, goal, fs->block_map, &new_block);
if (retval)
return retval;
}
return (0);
}
+static errcode_t e2fsck_new_range(ext2_filsys fs, int flags, blk64_t goal,
+ blk64_t len, blk64_t *pblk, blk64_t *plen)
+{
+ e2fsck_t ctx = (e2fsck_t) fs->priv_data;
+ errcode_t retval;
+
+ if (ctx->block_found_map)
+ return ext2fs_new_range(fs, flags, goal, len,
+ ctx->block_found_map, pblk, plen);
+
+ if (!fs->block_map) {
+ retval = ext2fs_read_block_bitmap(fs);
+ if (retval)
+ return retval;
+ }
+
+ return ext2fs_new_range(fs, flags, goal, len, fs->block_map,
+ pblk, plen);
+}
+
static void e2fsck_block_alloc_stats(ext2_filsys fs, blk64_t blk, int inuse)
{
e2fsck_t ctx = (e2fsck_t) fs->priv_data;
}
}
+static void e2fsck_block_alloc_stats_range(ext2_filsys fs, blk64_t blk,
+ blk_t num, int inuse)
+{
+ e2fsck_t ctx = (e2fsck_t) fs->priv_data;
+
+ /* Never free a critical metadata block */
+ if (ctx->block_found_map &&
+ ctx->block_metadata_map &&
+ inuse < 0 &&
+ ext2fs_test_block_bitmap_range2(ctx->block_metadata_map, blk, num))
+ return;
+
+ if (ctx->block_found_map) {
+ if (inuse > 0)
+ ext2fs_mark_block_bitmap_range2(ctx->block_found_map,
+ blk, num);
+ else
+ ext2fs_unmark_block_bitmap_range2(ctx->block_found_map,
+ blk, num);
+ }
+}
+
void e2fsck_use_inode_shortcuts(e2fsck_t ctx, int use_shortcuts)
{
ext2_filsys fs = ctx->fs;
ext2fs_set_alloc_block_callback(ctx->fs, e2fsck_get_alloc_block, 0);
ext2fs_set_block_alloc_stats_callback(ctx->fs,
e2fsck_block_alloc_stats, 0);
+ ext2fs_set_new_range_callback(ctx->fs, e2fsck_new_range, NULL);
+ ext2fs_set_block_alloc_stats_range_callback(ctx->fs,
+ e2fsck_block_alloc_stats_range, NULL);
}
projects / thirdparty / e2fsprogs.git / blobdiff