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Subject[PATCH 07/11] quota: Use inode->i_blkbits to get block bits
Date
From: Mingming Cao <cmm@us.ibm.com>

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: Mingming Cao <cmm@us.ibm.com>
Signed-off-by: Jan Kara <jack@suse.cz>
---
include/linux/quotaops.h | 22 ++++++++--------------
1 files changed, 8 insertions(+), 14 deletions(-)

diff --git a/include/linux/quotaops.h b/include/linux/quotaops.h
index 7369d04..69b502e 100644
--- a/include/linux/quotaops.h
+++ b/include/linux/quotaops.h
@@ -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);
}

/*
--
1.6.0.2


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