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volume_id: add LittleFS detection

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Add support for LittleFS to blkid. Not included if FEATURE_BLKID_TYPE
is not selected (neither UUID nor label).

LittleFS is a small fail-safe filesystem designed for embedded
systems. It has strong copy-on-write guarantees and storage on disk
is always kept in a valid state. It also provides a form of dynamic
wear levelling for systems that can not fit a full flash translation
layer. (https://github.com/geky/littlefs)

ARM has introduced it in its Mbed OS 5.7, so it starts to gain focus.
(https://os.mbed.com/blog/entry/littlefs-high-integrity-embedded-fs/)

function                                             old     new   delta
volume_id_probe_lfs                                    -      62     +62
fs1                                                   20      24      +4

Signed-off-by: Sven-Göran Bergh <sgb@systemaxion.se>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Sven-Göran Bergh
2018-01-19 20:36:15 +01:00
committed by Denys Vlasenko
parent f6dd9e0215
commit e411cd071a
3 changed files with 67 additions and 0 deletions
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3
util-linux/volume_id/volume_id.c
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@@ -97,6 +97,9 @@ static const probe_fptr fs1[] = {
#if ENABLE_FEATURE_VOLUMEID_EXFAT
volume_id_probe_exfat,
#endif
#if ENABLE_FEATURE_VOLUMEID_LFS
volume_id_probe_lfs,
#endif
#if ENABLE_FEATURE_VOLUMEID_MAC
volume_id_probe_mac_partition_map,
#endif