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| author | Ingo Molnar <mingo@elte.hu> | 2010-07-21 23:43:03 +0400 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2010-07-21 23:43:06 +0400 |
| commit | 9dcdbf7a33d9018ac5d45debcf261be648bdd56a (patch) | |
| tree | bbcc1a018f11ff76cd7ce174ef3ffe2c02da07ee /fs/ocfs2/localalloc.c | |
| parent | cc5edb0eb9ce892b530e34a5d110382483587942 (diff) | |
| parent | cd5b8f8755a89a57fc8c408d284b8b613f090345 (diff) | |
| download | linux-9dcdbf7a33d9018ac5d45debcf261be648bdd56a.tar.xz | |
Merge branch 'linus' into perf/core
Merge reason: Pick up the latest perf fixes.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'fs/ocfs2/localalloc.c')
| -rw-r--r-- | fs/ocfs2/localalloc.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/fs/ocfs2/localalloc.c b/fs/ocfs2/localalloc.c index 3d7419682dc0..ec6adbf8f551 100644 --- a/fs/ocfs2/localalloc.c +++ b/fs/ocfs2/localalloc.c @@ -118,6 +118,7 @@ unsigned int ocfs2_la_default_mb(struct ocfs2_super *osb) { unsigned int la_mb; unsigned int gd_mb; + unsigned int la_max_mb; unsigned int megs_per_slot; struct super_block *sb = osb->sb; @@ -182,6 +183,12 @@ unsigned int ocfs2_la_default_mb(struct ocfs2_super *osb) if (megs_per_slot < la_mb) la_mb = megs_per_slot; + /* We can't store more bits than we can in a block. */ + la_max_mb = ocfs2_clusters_to_megabytes(osb->sb, + ocfs2_local_alloc_size(sb) * 8); + if (la_mb > la_max_mb) + la_mb = la_max_mb; + return la_mb; } |