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| author | Joel Becker <joel.becker@oracle.com> | 2010-04-13 14:26:32 +0800 |
|---|---|---|
| committer | Tao Ma <tao.ma@oracle.com> | 2010-04-13 14:26:32 +0800 |
| commit | 798db35f4649eac2778381c390ed7d12de9ec767 (patch) | |
| tree | 988c30bd86d4913c2f9187bb8504135ec0b80f62 /fs/ocfs2/ocfs2.h | |
| parent | 4cbe4249d6586d5d88ef271e07302407a14c8443 (diff) | |
| download | linux-798db35f4649eac2778381c390ed7d12de9ec767.tar.gz linux-798db35f4649eac2778381c390ed7d12de9ec767.tar.bz2 linux-798db35f4649eac2778381c390ed7d12de9ec767.zip | |
ocfs2: Allocate discontiguous block groups.
If we cannot get a contiguous region for a block group, allocate a
discontiguous one when the filesystem supports it.
Signed-off-by: Joel Becker <joel.becker@oracle.com>
Signed-off-by: Tao Ma <tao.ma@oracle.com>
Diffstat (limited to 'fs/ocfs2/ocfs2.h')
| -rw-r--r-- | fs/ocfs2/ocfs2.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/fs/ocfs2/ocfs2.h b/fs/ocfs2/ocfs2.h index a388528f485c..d389f2714c96 100644 --- a/fs/ocfs2/ocfs2.h +++ b/fs/ocfs2/ocfs2.h @@ -491,6 +491,13 @@ static inline int ocfs2_supports_indexed_dirs(struct ocfs2_super *osb) return 0; } +static inline int ocfs2_supports_discontig_bh(struct ocfs2_super *osb) +{ + if (osb->s_feature_incompat & OCFS2_FEATURE_INCOMPAT_DISCONTIG_BG) + return 1; + return 0; +} + static inline unsigned int ocfs2_link_max(struct ocfs2_super *osb) { if (ocfs2_supports_indexed_dirs(osb)) |