From 9b1fc4e4973469dd3fab27ba5d78eca1cd5c13fe Mon Sep 17 00:00:00 2001 From: Ryusuke Konishi Date: Wed, 9 Mar 2011 11:05:08 +0900 Subject: nilfs2: move next generation counter into nilfs object Moves s_next_generation counter and a spinlock protecting it to nilfs object from nilfs_sb_info structure. Signed-off-by: Ryusuke Konishi --- fs/nilfs2/the_nilfs.c | 5 +++++ 1 file changed, 5 insertions(+) (limited to 'fs/nilfs2/the_nilfs.c') diff --git a/fs/nilfs2/the_nilfs.c b/fs/nilfs2/the_nilfs.c index 40239a932dec..1bf695e887a7 100644 --- a/fs/nilfs2/the_nilfs.c +++ b/fs/nilfs2/the_nilfs.c @@ -25,6 +25,7 @@ #include #include #include +#include #include #include "nilfs.h" #include "segment.h" @@ -78,6 +79,7 @@ struct the_nilfs *alloc_nilfs(struct block_device *bdev) INIT_LIST_HEAD(&nilfs->ns_dirty_files); INIT_LIST_HEAD(&nilfs->ns_gc_inodes); spin_lock_init(&nilfs->ns_inode_lock); + spin_lock_init(&nilfs->ns_next_gen_lock); spin_lock_init(&nilfs->ns_last_segment_lock); nilfs->ns_cptree = RB_ROOT; spin_lock_init(&nilfs->ns_cptree_lock); @@ -593,6 +595,9 @@ int init_nilfs(struct the_nilfs *nilfs, struct nilfs_sb_info *sbi, char *data) nilfs->ns_blocksize_bits = sb->s_blocksize_bits; nilfs->ns_blocksize = blocksize; + get_random_bytes(&nilfs->ns_next_generation, + sizeof(nilfs->ns_next_generation)); + err = nilfs_store_disk_layout(nilfs, sbp); if (err) goto failed_sbh; -- cgit v1.2.3