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| author | Mark Fasheh <mark.fasheh@oracle.com> | 2007-09-07 23:05:51 +0200 |
|---|---|---|
| committer | Mark Fasheh <mark.fasheh@oracle.com> | 2007-10-12 20:54:39 +0200 |
| commit | 6798d35a31c413bbb3f83bbaa844bd2598168ccc (patch) | |
| tree | ff3e2928ebdfda06f08605d9dbc7002f0413e731 /fs/ocfs2/extent_map.c | |
| parent | ocfs2: Structure updates for inline data (diff) | |
| download | linux-6798d35a31c413bbb3f83bbaa844bd2598168ccc.tar.xz linux-6798d35a31c413bbb3f83bbaa844bd2598168ccc.zip | |
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.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/fs/ocfs2/extent_map.c b/fs/ocfs2/extent_map.c index 03c1d365c78b..c58668a326fe 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) |