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nilfs2: move pointer to super root block into logs

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This moves a pointer to buffer storing super root block to each log
buffer from nilfs_sc_info struct for simplicity.

Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
This commit is contained in:
Ryusuke Konishi
2010-03-23 01:15:31 +09:00
parent 277a6a3417
commit 1e2b68bf28
4 changed files with 25 additions and 26 deletions
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fs/nilfs2/segbuf.h
+2
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@@ -76,6 +76,7 @@ struct nilfs_segsum_info {
* @sb_rest_blocks: Number of residual blocks in the current segment
* @sb_segsum_buffers: List of buffers for segment summaries
* @sb_payload_buffers: List of buffers for segment payload
* @sb_super_root: Pointer to buffer storing a super root block (if exists)
* @sb_nbio: Number of flying bio requests
* @sb_err: I/O error status
* @sb_bio_event: Completion event of log writing
@@ -95,6 +96,7 @@ struct nilfs_segment_buffer {
/* Buffers */
struct list_head sb_segsum_buffers;
struct list_head sb_payload_buffers; /* including super root */
struct buffer_head *sb_super_root;
/* io status */
int sb_nbio;