fs: Provide __inode_get_bytes()
Provide helper __inode_get_bytes() which assumes i_lock is already acquired. Quota code will need this to be able to use i_lock to protect consistency of quota accounting information and inode usage. Signed-off-by: Jan Kara <jack@suse.cz>
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@ -710,7 +710,7 @@ loff_t inode_get_bytes(struct inode *inode)
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loff_t ret;
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loff_t ret;
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spin_lock(&inode->i_lock);
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spin_lock(&inode->i_lock);
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ret = (((loff_t)inode->i_blocks) << 9) + inode->i_bytes;
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ret = __inode_get_bytes(inode);
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spin_unlock(&inode->i_lock);
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spin_unlock(&inode->i_lock);
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return ret;
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return ret;
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}
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}
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@ -2998,6 +2998,10 @@ void __inode_add_bytes(struct inode *inode, loff_t bytes);
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void inode_add_bytes(struct inode *inode, loff_t bytes);
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void inode_add_bytes(struct inode *inode, loff_t bytes);
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void __inode_sub_bytes(struct inode *inode, loff_t bytes);
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void __inode_sub_bytes(struct inode *inode, loff_t bytes);
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void inode_sub_bytes(struct inode *inode, loff_t bytes);
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void inode_sub_bytes(struct inode *inode, loff_t bytes);
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static inline loff_t __inode_get_bytes(struct inode *inode)
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{
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return (((loff_t)inode->i_blocks) << 9) + inode->i_bytes;
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}
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loff_t inode_get_bytes(struct inode *inode);
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loff_t inode_get_bytes(struct inode *inode);
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void inode_set_bytes(struct inode *inode, loff_t bytes);
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void inode_set_bytes(struct inode *inode, loff_t bytes);
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const char *simple_get_link(struct dentry *, struct inode *,
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const char *simple_get_link(struct dentry *, struct inode *,
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