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nilfs2: move next generation counter into nilfs object

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Moves s_next_generation counter and a spinlock protecting it to nilfs
object from nilfs_sb_info structure.

Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
This commit is contained in:
Ryusuke Konishi
2011-03-09 11:05:08 +09:00
parent 693dd32122
commit 9b1fc4e497
5 changed files with 15 additions and 19 deletions
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fs/nilfs2/super.c
-11
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@@ -43,7 +43,6 @@
#include <linux/init.h>
#include <linux/blkdev.h>
#include <linux/parser.h>
#include <linux/random.h>
#include <linux/crc32.h>
#include <linux/vfs.h>
#include <linux/writeback.h>
@@ -943,16 +942,6 @@ nilfs_fill_super(struct super_block *sb, void *data, int silent)
if (err)
goto failed_nilfs;
/*
* Following initialization is overlapped because
* nilfs_sb_info structure has been cleared at the beginning.
* But we reserve them to keep our interest and make ready
* for the future change.
*/
get_random_bytes(&sbi->s_next_generation,
sizeof(sbi->s_next_generation));
spin_lock_init(&sbi->s_next_gen_lock);
sb->s_op = &nilfs_sops;
sb->s_export_op = &nilfs_export_ops;
sb->s_root = NULL;