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| author | Artem Bityutskiy <Artem.Bityutskiy@nokia.com> | 2008-12-19 18:26:29 +0100 |
|---|---|---|
| committer | Artem Bityutskiy <Artem.Bityutskiy@nokia.com> | 2008-12-23 11:23:29 +0100 |
| commit | af14a1ad792621942a03e4bd0e5f17b6e177e2e0 (patch) | |
| tree | b91e77a8a1a373ca3dfcc84ec0feb243fb74e2e5 /fs/ubifs/super.c | |
| parent | UBIFS: various comment improvements and fixes (diff) | |
| download | linux-af14a1ad792621942a03e4bd0e5f17b6e177e2e0.tar.xz linux-af14a1ad792621942a03e4bd0e5f17b6e177e2e0.zip | |
UBIFS: fix available blocks count
Take into account that 2 eraseblocks are never available because
they are reserved for the index. This gives more realistic count
of FS blocks.
To avoid future confusions like this, introduce a constant.
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Diffstat (limited to 'fs/ubifs/super.c')
| -rw-r--r-- | fs/ubifs/super.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/fs/ubifs/super.c b/fs/ubifs/super.c index 2dbaa4fc2cbb..a6a7798d020b 100644 --- a/fs/ubifs/super.c +++ b/fs/ubifs/super.c @@ -695,9 +695,10 @@ static int init_constants_late(struct ubifs_info *c) * necessary to report something for the 'statfs()' call. * * Subtract the LEB reserved for GC, the LEB which is reserved for - * deletions, and assume only one journal head is available. + * deletions, minimum LEBs for the index, and assume only one journal + * head is available. */ - tmp64 = c->main_lebs - 2 - c->jhead_cnt + 1; + tmp64 = c->main_lebs - 1 - 1 - MIN_INDEX_LEBS - c->jhead_cnt + 1; tmp64 *= (uint64_t)c->leb_size - c->leb_overhead; tmp64 = ubifs_reported_space(c, tmp64); c->block_cnt = tmp64 >> UBIFS_BLOCK_SHIFT; |