volume_id: improve struct layout (smaller offesets, smaller insns on x86)
function old new delta volume_id_probe_xfs 101 98 -3 volume_id_probe_vfat 827 824 -3 volume_id_probe_udf 541 538 -3 volume_id_probe_ubifs 67 64 -3 volume_id_probe_squashfs 86 83 -3 volume_id_probe_romfs 97 94 -3 volume_id_probe_reiserfs 246 243 -3 volume_id_probe_ocfs2 110 107 -3 volume_id_probe_ntfs 288 285 -3 volume_id_probe_nilfs 100 97 -3 volume_id_probe_minix 85 82 -3 volume_id_probe_luks 92 89 -3 volume_id_probe_linux_swap 251 248 -3 volume_id_probe_linux_raid 131 128 -3 volume_id_probe_lfs 62 59 -3 volume_id_probe_jfs 110 107 -3 volume_id_probe_iso9660 318 315 -3 volume_id_probe_f2fs 107 104 -3 volume_id_probe_exfat 285 282 -3 volume_id_probe_erofs 89 86 -3 volume_id_probe_cramfs 67 64 -3 volume_id_probe_btrfs 134 131 -3 volume_id_probe_bcache 107 104 -3 volume_id_probe_sysv 194 188 -6 volume_id_probe_hfs_hfsplus 518 512 -6 add_to_uuid_cache 271 265 -6 volume_id_probe_ext 131 122 -9 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 0/27 up/down: 0/-96) Total: -96 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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@ -66,6 +66,9 @@ struct volume_id {
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uint8_t *sbbuf;
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uint8_t *seekbuf;
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uint64_t seekbuf_off;
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#if ENABLE_FEATURE_BLKID_TYPE
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const char *type;
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#endif
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#ifdef UNUSED_PARTITION_CODE
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struct volume_id_partition *partitions;
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size_t partition_count;
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@ -80,9 +83,6 @@ struct volume_id {
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// char type_version[VOLUME_ID_FORMAT_SIZE];
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// smallint usage_id;
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// const char *usage;
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#if ENABLE_FEATURE_BLKID_TYPE
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const char *type;
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#endif
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};
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struct volume_id* FAST_FUNC volume_id_open_node(int fd);
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