From: Ryusuke Konishi Date: Tue, 7 Apr 2009 02:01:44 +0000 (-0700) Subject: nilfs2: cleanup nilfs_clear_inode X-Git-Url: http://pilppa.com/gitweb/?a=commitdiff_plain;h=a2e7d2df82cafb76f76809ddf6e2caa8afe4f75e;p=linux-2.6-omap-h63xx.git nilfs2: cleanup nilfs_clear_inode This will remove the following unnecessary locks and cleanup code in nilfs_clear_inode(): - unnecessary protection using nilfs_transaction_begin() and nilfs_transaction_end(). - cleanup code of i_dirty list field which is never chained when this function is called. - spinlock used when releasing i_bh field. Signed-off-by: Ryusuke Konishi Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- diff --git a/fs/nilfs2/super.c b/fs/nilfs2/super.c index 10e82c00aed..268b563d215 100644 --- a/fs/nilfs2/super.c +++ b/fs/nilfs2/super.c @@ -184,8 +184,6 @@ static inline void nilfs_destroy_inode_cache(void) static void nilfs_clear_inode(struct inode *inode) { struct nilfs_inode_info *ii = NILFS_I(inode); - struct nilfs_transaction_info ti; - struct nilfs_sb_info *sbi = NILFS_SB(inode->i_sb); #ifdef CONFIG_NILFS_POSIX_ACL if (ii->i_acl && ii->i_acl != NILFS_ACL_NOT_CACHED) { @@ -200,21 +198,14 @@ static void nilfs_clear_inode(struct inode *inode) /* * Free resources allocated in nilfs_read_inode(), here. */ - nilfs_transaction_begin(inode->i_sb, &ti, 0); - - spin_lock(&sbi->s_inode_lock); - if (!list_empty(&ii->i_dirty)) - list_del_init(&ii->i_dirty); + BUG_ON(!list_empty(&ii->i_dirty)); brelse(ii->i_bh); ii->i_bh = NULL; - spin_unlock(&sbi->s_inode_lock); if (test_bit(NILFS_I_BMAP, &ii->i_state)) nilfs_bmap_clear(ii->i_bmap); nilfs_btnode_cache_clear(&ii->i_btnode_cache); - - nilfs_transaction_end(inode->i_sb, 0); } /**