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| author |   Richard Weinberger <richard@nod.at> | 2016-10-19 15:59:12 +0200 |
|---|---|---|
| committer | Richard Weinberger <richard@nod.at> | 2016-12-12 23:07:38 +0100 |
| commit | d63d61c16972c667d770f713c21aa04e2c0489d2 (patch) | |
| tree | 9e40aed759c90f2435d36ea98a2ddbfed4c0e811 /fs/ubifs/sb.c | |
| parent | ubifs: Use a random number for cookies (diff) | |
| download | linux-dev-d63d61c16972c667d770f713c21aa04e2c0489d2.tar.xz linux-dev-d63d61c16972c667d770f713c21aa04e2c0489d2.zip | |
ubifs: Implement UBIFS_FLG_DOUBLE_HASH
This feature flag indicates that all directory entry nodes have a 32bit
cookie set and therefore UBIFS is allowed to perform lookups by hash.
Signed-off-by: Richard Weinberger <richard@nod.at>
Diffstat (limited to 'fs/ubifs/sb.c')
| -rw-r--r-- | fs/ubifs/sb.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/ubifs/sb.c b/fs/ubifs/sb.c index 3cbb904a6d7d..4a2b4c361587 100644 --- a/fs/ubifs/sb.c +++ b/fs/ubifs/sb.c @@ -163,6 +163,7 @@ static int create_default_filesystem(struct ubifs_info *c) tmp64 = (long long)max_buds * c->leb_size; if (big_lpt) sup_flags |= UBIFS_FLG_BIGLPT; + sup_flags |= UBIFS_FLG_DOUBLE_HASH; sup->ch.node_type = UBIFS_SB_NODE; sup->key_hash = UBIFS_KEY_HASH_R5; @@ -620,6 +621,7 @@ int ubifs_read_superblock(struct ubifs_info *c) memcpy(&c->uuid, &sup->uuid, 16); c->big_lpt = !!(sup_flags & UBIFS_FLG_BIGLPT); c->space_fixup = !!(sup_flags & UBIFS_FLG_SPACE_FIXUP); + c->double_hash = !!(sup_flags & UBIFS_FLG_DOUBLE_HASH); /* Automatically increase file system size to the maximum size */ c->old_leb_cnt = c->leb_cnt; |