diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-07-18 10:09:25 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-07-18 10:09:25 -0700 |
| commit | bea9a6d239cb2aa2ced4dcb0a05e1827ce61fa3d (patch) | |
| tree | 39f23bd918c4dcda4359ebd9b8f188b9cb5e25b1 /fs/ocfs2/localalloc.c | |
| parent | cd9f040df6ce46573760a507cb88192d05d27d86 (diff) | |
| parent | 5453258d532e72731b0829e4fefd36dd611a2fff (diff) | |
Merge branch 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jlbec/ocfs2
* 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jlbec/ocfs2:
ocfs2: Silence gcc warning in ocfs2_write_zero_page().
jbd2/ocfs2: Fix block checksumming when a buffer is used in several transactions
ocfs2/dlm: Remove BUG_ON from migration in the rare case of a down node
ocfs2: Don't duplicate pages past i_size during CoW.
ocfs2: tighten up strlen() checking
ocfs2: Make xattr reflink work with new local alloc reservation.
ocfs2: make xattr extension work with new local alloc reservation.
ocfs2: Remove the redundant cpu_to_le64.
ocfs2/dlm: don't access beyond bitmap size
ocfs2: No need to zero pages past i_size.
ocfs2: Zero the tail cluster when extending past i_size.
ocfs2: When zero extending, do it by page.
ocfs2: Limit default local alloc size within bitmap range.
ocfs2: Move orphan scan work to ocfs2_wq.
fs/ocfs2/dlm: Add missing spin_unlock
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; } |