diff options
| author | Christoph Hellwig <hch@lst.de> | 2007-02-12 09:51:57 +0100 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-02-12 18:48:28 +0100 |
| commit | fb58b7316a99703afb8d076b0e5f3e1e387e4b30 (patch) | |
| tree | d2aabf3413fc3e94a6760c364caf0762915a6273 | |
| parent | [PATCH] scnprintf(): fix a comment (diff) | |
| download | linux-fb58b7316a99703afb8d076b0e5f3e1e387e4b30.tar.xz linux-fb58b7316a99703afb8d076b0e5f3e1e387e4b30.zip | |
[PATCH] move remove_dquot_ref to dqout.c
Remove_dquot_ref can move to dqout.c instead of beeing in inode.c under
#ifdef CONFIG_QUOTA. Also clean the resulting code up a tiny little bit by
testing sb->dq_op earlier - it's constant over a filesystems lifetime.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Cc: Jan Kara <jack@ucw.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| -rw-r--r-- | fs/dquot.c | 24 | ||||
| -rw-r--r-- | fs/inode.c | 27 | ||||
| -rw-r--r-- | include/linux/fs.h | 1 |
3 files changed, 20 insertions, 32 deletions
diff --git a/fs/dquot.c b/fs/dquot.c index a561fb29e203..5bdc4b2a872a 100644 --- a/fs/dquot.c +++ b/fs/dquot.c @@ -79,6 +79,7 @@ #include <linux/buffer_head.h> #include <linux/capability.h> #include <linux/quotaops.h> +#include <linux/writeback.h> /* for inode_lock, oddly enough.. */ #include <asm/uaccess.h> @@ -755,15 +756,30 @@ static void put_dquot_list(struct list_head *tofree_head) } } +static void remove_dquot_ref(struct super_block *sb, int type, + struct list_head *tofree_head) +{ + struct inode *inode; + + spin_lock(&inode_lock); + list_for_each_entry(inode, &sb->s_inodes, i_sb_list) { + if (!IS_NOQUOTA(inode)) + remove_inode_dquot_ref(inode, type, tofree_head); + } + spin_unlock(&inode_lock); +} + /* Gather all references from inodes and drop them */ static void drop_dquot_ref(struct super_block *sb, int type) { LIST_HEAD(tofree_head); - down_write(&sb_dqopt(sb)->dqptr_sem); - remove_dquot_ref(sb, type, &tofree_head); - up_write(&sb_dqopt(sb)->dqptr_sem); - put_dquot_list(&tofree_head); + if (sb->dq_op) { + down_write(&sb_dqopt(sb)->dqptr_sem); + remove_dquot_ref(sb, type, &tofree_head); + up_write(&sb_dqopt(sb)->dqptr_sem); + put_dquot_list(&tofree_head); + } } static inline void dquot_incr_inodes(struct dquot *dquot, unsigned long number) diff --git a/fs/inode.c b/fs/inode.c index e6d93070f140..5e32432a7608 100644 --- a/fs/inode.c +++ b/fs/inode.c @@ -1251,33 +1251,6 @@ int inode_needs_sync(struct inode *inode) EXPORT_SYMBOL(inode_needs_sync); -/* - * Quota functions that want to walk the inode lists.. - */ -#ifdef CONFIG_QUOTA - -void remove_dquot_ref(struct super_block *sb, int type, - struct list_head *tofree_head) -{ - struct inode *inode; - - if (!sb->dq_op) - return; /* nothing to do */ - spin_lock(&inode_lock); /* This lock is for inodes code */ - - /* - * We don't have to lock against quota code - test IS_QUOTAINIT is - * just for speedup... - */ - list_for_each_entry(inode, &sb->s_inodes, i_sb_list) - if (!IS_NOQUOTA(inode)) - remove_inode_dquot_ref(inode, type, tofree_head); - - spin_unlock(&inode_lock); -} - -#endif - int inode_wait(void *word) { schedule(); diff --git a/include/linux/fs.h b/include/linux/fs.h index 20fd1619ccfb..990adcbc0df2 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -1688,7 +1688,6 @@ extern struct inode *new_inode(struct super_block *); extern int __remove_suid(struct dentry *, int); extern int should_remove_suid(struct dentry *); extern int remove_suid(struct dentry *); -extern void remove_dquot_ref(struct super_block *, int, struct list_head *); extern void __insert_inode_hash(struct inode *, unsigned long hashval); extern void remove_inode_hash(struct inode *); |