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[PATCH] quota: fix possible oops on quotaoff
Remove dquot structures from quota file on quotaon - quota code does not expect them to be there. Signed-off-by: Jan Kara <jack@suse.cz> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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@ -1443,6 +1443,7 @@ static int vfs_quota_on_inode(struct inode *inode, int type, int format_id)
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oldflags = inode->i_flags & (S_NOATIME | S_IMMUTABLE | S_NOQUOTA);
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inode->i_flags |= S_NOQUOTA | S_NOATIME | S_IMMUTABLE;
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up_write(&dqopt->dqptr_sem);
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sb->dq_op->drop(inode);
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error = -EIO;
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dqopt->files[type] = igrab(inode);
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