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| author | Tiger Yang <tiger.yang@oracle.com> | 2008-08-18 17:11:46 +0800 |
|---|---|---|
| committer | Mark Fasheh <mfasheh@suse.com> | 2008-10-13 16:57:03 -0700 |
| commit | 8154da3d2114241cf3edb108b43e2172be86d483 (patch) | |
| tree | a6d1c1652469d9a34b50dbdab4a435376bf3f32c /fs/ocfs2/ocfs2.h | |
| parent | a394425643e1e9c3a624d629fc8ba5633d8474c6 (diff) | |
| download | blackbird-op-linux-8154da3d2114241cf3edb108b43e2172be86d483.tar.gz blackbird-op-linux-8154da3d2114241cf3edb108b43e2172be86d483.zip | |
ocfs2: Add incompatible flag for extended attribute
This patch adds the s_incompat flag for extended attribute support. This
helps us ensure that older versions of Ocfs2 or ocfs2-tools will not be able
to mount a volume with xattr support.
Signed-off-by: Tiger Yang <tiger.yang@oracle.com>
Signed-off-by: Mark Fasheh <mfasheh@suse.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 cae0dd4b7f75..6d3c10ddf489 100644 --- a/fs/ocfs2/ocfs2.h +++ b/fs/ocfs2/ocfs2.h @@ -363,6 +363,13 @@ static inline int ocfs2_supports_inline_data(struct ocfs2_super *osb) return 0; } +static inline int ocfs2_supports_xattr(struct ocfs2_super *osb) +{ + if (osb->s_feature_incompat & OCFS2_FEATURE_INCOMPAT_XATTR) + return 1; + return 0; +} + /* set / clear functions because cluster events can make these happen * in parallel so we want the transitions to be atomic. this also * means that any future flags osb_flags must be protected by spinlock |
