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Commit 9900ba34 authored by Mingming Cao's avatar Mingming Cao Committed by Jan Kara
Browse files

quota: Use inode->i_blkbits to get block bits 



Andrew has suggested to use inode->i_blkbits to get the block bits info,
rather than use super block's blockbits. That should be faster and emit
less code.

Signed-off-by: default avatarMingming Cao <cmm@us.ibm.com>
Signed-off-by: default avatarJan Kara <jack@suse.cz>
parent 740d9dcd

include/linux/quotaops.h

+8 −14
Original line number Diff line number Diff line
@@ -410,38 +410,32 @@ static inline void vfs_dq_free_space(struct inode *inode, qsize_t nr) 


static inline int vfs_dq_prealloc_block_nodirty(struct inode *inode, qsize_t nr)

{

	return vfs_dq_prealloc_space_nodirty(inode,

			nr << inode->i_sb->s_blocksize_bits);

	return vfs_dq_prealloc_space_nodirty(inode, nr << inode->i_blkbits);

}



static inline int vfs_dq_prealloc_block(struct inode *inode, qsize_t nr)

{

	return vfs_dq_prealloc_space(inode,

			nr << inode->i_sb->s_blocksize_bits);

	return vfs_dq_prealloc_space(inode, nr << inode->i_blkbits);

}



static inline int vfs_dq_alloc_block_nodirty(struct inode *inode, qsize_t nr)

{

 	return vfs_dq_alloc_space_nodirty(inode,

			nr << inode->i_sb->s_blocksize_bits);

	return vfs_dq_alloc_space_nodirty(inode, nr << inode->i_blkbits);

}



static inline int vfs_dq_alloc_block(struct inode *inode, qsize_t nr)

{

	return vfs_dq_alloc_space(inode,

			nr << inode->i_sb->s_blocksize_bits);

	return vfs_dq_alloc_space(inode, nr << inode->i_blkbits);

}



static inline int vfs_dq_reserve_block(struct inode *inode, qsize_t nr)

{

	return vfs_dq_reserve_space(inode,

			nr << inode->i_blkbits);

	return vfs_dq_reserve_space(inode, nr << inode->i_blkbits);

}



static inline int vfs_dq_claim_block(struct inode *inode, qsize_t nr)

{

	return vfs_dq_claim_space(inode,

			nr << inode->i_blkbits);

	return vfs_dq_claim_space(inode, nr << inode->i_blkbits);

}



static inline
@@ -452,12 +446,12 @@ void vfs_dq_release_reservation_block(struct inode *inode, qsize_t nr) 


static inline void vfs_dq_free_block_nodirty(struct inode *inode, qsize_t nr)

{

	vfs_dq_free_space_nodirty(inode, nr << inode->i_sb->s_blocksize_bits);

	vfs_dq_free_space_nodirty(inode, nr << inode->i_blkbits);

}



static inline void vfs_dq_free_block(struct inode *inode, qsize_t nr)

{

	vfs_dq_free_space(inode, nr << inode->i_sb->s_blocksize_bits);

	vfs_dq_free_space(inode, nr << inode->i_blkbits);

}



/*