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-rw-r--r--fs/dquot.c32
1 files changed, 18 insertions, 14 deletions
diff --git a/fs/dquot.c b/fs/dquot.c
index 5bdc4b2a872a..9eb166f91489 100644
--- a/fs/dquot.c
+++ b/fs/dquot.c
@@ -688,23 +688,27 @@ static int dqinit_needed(struct inode *inode, int type)
/* This routine is guarded by dqonoff_mutex mutex */
static void add_dquot_ref(struct super_block *sb, int type)
{
- struct list_head *p;
+ struct inode *inode;
restart:
- file_list_lock();
- list_for_each(p, &sb->s_files) {
- struct file *filp = list_entry(p, struct file, f_u.fu_list);
- struct inode *inode = filp->f_path.dentry->d_inode;
- if (filp->f_mode & FMODE_WRITE && dqinit_needed(inode, type)) {
- struct dentry *dentry = dget(filp->f_path.dentry);
- file_list_unlock();
- sb->dq_op->initialize(inode, type);
- dput(dentry);
- /* As we may have blocked we had better restart... */
- goto restart;
- }
+ spin_lock(&inode_lock);
+ list_for_each_entry(inode, &sb->s_inodes, i_sb_list) {
+ if (!atomic_read(&inode->i_writecount))
+ continue;
+ if (!dqinit_needed(inode, type))
+ continue;
+ if (inode->i_state & (I_FREEING|I_WILL_FREE))
+ continue;
+
+ __iget(inode);
+ spin_unlock(&inode_lock);
+
+ sb->dq_op->initialize(inode, type);
+ iput(inode);
+ /* As we may have blocked we had better restart... */
+ goto restart;
}
- file_list_unlock();
+ spin_unlock(&inode_lock);
}
/* Return 0 if dqput() won't block (note that 1 doesn't necessarily mean blocking) */