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| author | Joel Becker <joel.becker@oracle.com> | 2008-02-01 11:59:05 -0800 |
|---|---|---|
| committer | Mark Fasheh <mfasheh@suse.com> | 2008-04-18 08:56:03 -0700 |
| commit | fb86b1f07120b66769a39c445da5c4300069dd44 (patch) | |
| tree | 4d97d78e2c703b289801a91e3a480fa1620914a8 /fs/ocfs2/ocfs2_fs.h | |
| parent | fc881fa0d59596c02f8707b5572567c369d4789a (diff) | |
| download | lwn-fb86b1f07120b66769a39c445da5c4300069dd44.tar.gz lwn-fb86b1f07120b66769a39c445da5c4300069dd44.zip | |
ocfs2: Define the contents of the slot_map file.
The slot map file is merely an array of __le16. Wrap it in a structure for
cleaner reference.
Signed-off-by: Joel Becker <joel.becker@oracle.com>
Signed-off-by: Mark Fasheh <mfasheh@suse.com>
Diffstat (limited to 'fs/ocfs2/ocfs2_fs.h')
| -rw-r--r-- | fs/ocfs2/ocfs2_fs.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/fs/ocfs2/ocfs2_fs.h b/fs/ocfs2/ocfs2_fs.h index 3633edd3982f..3299116b8021 100644 --- a/fs/ocfs2/ocfs2_fs.h +++ b/fs/ocfs2/ocfs2_fs.h @@ -475,6 +475,18 @@ struct ocfs2_extent_block }; /* + * On disk slot map for OCFS2. This defines the contents of the "slot_map" + * system file. + */ +struct ocfs2_slot_map { +/*00*/ __le16 sm_slots[0]; +/* + * Actual on-disk size is one block. OCFS2_MAX_SLOTS is 255, + * 255 * sizeof(__le16) == 512B, within the 512B block minimum blocksize. + */ +}; + +/* * On disk superblock for OCFS2 * Note that it is contained inside an ocfs2_dinode, so all offsets * are relative to the start of ocfs2_dinode.id2. |