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authorMark Fasheh <mark.fasheh@oracle.com>2007-09-07 14:05:51 -0700
committerMark Fasheh <mark.fasheh@oracle.com>2007-10-12 11:54:39 -0700
commit6798d35a31c413bbb3f83bbaa844bd2598168ccc (patch)
treeff3e2928ebdfda06f08605d9dbc7002f0413e731 /fs/ocfs2/extent_map.c
parent15b1e36bdb487d67ef924a37b0967453143be53a (diff)
ocfs2: Read support for inline data
This hooks up ocfs2_readpage() to populate a page with data from an inode block. Direct IO reads from inline data are modified to fall back to buffered I/O. Appropriate checks are also placed in the extent map code to avoid reading an extent list when inline data might be stored. Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com> Reviewed-by: Joel Becker <joel.becker@oracle.com>
Diffstat (limited to 'fs/ocfs2/extent_map.c')
-rw-r--r--fs/ocfs2/extent_map.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/fs/ocfs2/extent_map.c b/fs/ocfs2/extent_map.c
index 03c1d365c78..c58668a326f 100644
--- a/fs/ocfs2/extent_map.c
+++ b/fs/ocfs2/extent_map.c
@@ -387,6 +387,12 @@ int ocfs2_get_clusters(struct inode *inode, u32 v_cluster,
struct ocfs2_extent_rec *rec;
u32 coff;
+ if (OCFS2_I(inode)->ip_dyn_features & OCFS2_INLINE_DATA_FL) {
+ ret = -ERANGE;
+ mlog_errno(ret);
+ goto out;
+ }
+
ret = ocfs2_extent_map_lookup(inode, v_cluster, p_cluster,
num_clusters, extent_flags);
if (ret == 0)