2023-12-10 03:05:26

by Chao Yu

[permalink] [raw]
Subject: [PATCH] quota: convert dquot_claim_space_nodirty() to return void

dquot_claim_space_nodirty() always return zero, let's convert it
to return void, then, its caller can get rid of handling failure
case.

Signed-off-by: Chao Yu <[email protected]>
---
fs/quota/dquot.c | 6 +++---
include/linux/quotaops.h | 15 +++++----------
2 files changed, 8 insertions(+), 13 deletions(-)

diff --git a/fs/quota/dquot.c b/fs/quota/dquot.c
index 58b5de081b57..44ff2813ae51 100644
--- a/fs/quota/dquot.c
+++ b/fs/quota/dquot.c
@@ -1787,7 +1787,7 @@ EXPORT_SYMBOL(dquot_alloc_inode);
/*
* Convert in-memory reserved quotas to real consumed quotas
*/
-int dquot_claim_space_nodirty(struct inode *inode, qsize_t number)
+void dquot_claim_space_nodirty(struct inode *inode, qsize_t number)
{
struct dquot **dquots;
int cnt, index;
@@ -1797,7 +1797,7 @@ int dquot_claim_space_nodirty(struct inode *inode, qsize_t number)
*inode_reserved_space(inode) -= number;
__inode_add_bytes(inode, number);
spin_unlock(&inode->i_lock);
- return 0;
+ return;
}

dquots = i_dquot(inode);
@@ -1822,7 +1822,7 @@ int dquot_claim_space_nodirty(struct inode *inode, qsize_t number)
spin_unlock(&inode->i_lock);
mark_all_dquot_dirty(dquots);
srcu_read_unlock(&dquot_srcu, index);
- return 0;
+ return;
}
EXPORT_SYMBOL(dquot_claim_space_nodirty);

diff --git a/include/linux/quotaops.h b/include/linux/quotaops.h
index 4fa4ef0a173a..06cc8888199e 100644
--- a/include/linux/quotaops.h
+++ b/include/linux/quotaops.h
@@ -74,7 +74,7 @@ void __dquot_free_space(struct inode *inode, qsize_t number, int flags);

int dquot_alloc_inode(struct inode *inode);

-int dquot_claim_space_nodirty(struct inode *inode, qsize_t number);
+void dquot_claim_space_nodirty(struct inode *inode, qsize_t number);
void dquot_free_inode(struct inode *inode);
void dquot_reclaim_space_nodirty(struct inode *inode, qsize_t number);

@@ -257,10 +257,9 @@ static inline void __dquot_free_space(struct inode *inode, qsize_t number,
inode_sub_bytes(inode, number);
}

-static inline int dquot_claim_space_nodirty(struct inode *inode, qsize_t number)
+static inline void dquot_claim_space_nodirty(struct inode *inode, qsize_t number)
{
inode_add_bytes(inode, number);
- return 0;
}

static inline int dquot_reclaim_space_nodirty(struct inode *inode,
@@ -358,14 +357,10 @@ static inline int dquot_reserve_block(struct inode *inode, qsize_t nr)
DQUOT_SPACE_WARN|DQUOT_SPACE_RESERVE);
}

-static inline int dquot_claim_block(struct inode *inode, qsize_t nr)
+static inline void dquot_claim_block(struct inode *inode, qsize_t nr)
{
- int ret;
-
- ret = dquot_claim_space_nodirty(inode, nr << inode->i_blkbits);
- if (!ret)
- mark_inode_dirty_sync(inode);
- return ret;
+ dquot_claim_space_nodirty(inode, nr << inode->i_blkbits);
+ mark_inode_dirty_sync(inode);
}

static inline void dquot_reclaim_block(struct inode *inode, qsize_t nr)
--
2.40.1


2023-12-11 12:28:12

by Jan Kara

[permalink] [raw]
Subject: Re: [PATCH] quota: convert dquot_claim_space_nodirty() to return void

On Sun 10-12-23 10:50:28, Chao Yu wrote:
> dquot_claim_space_nodirty() always return zero, let's convert it
> to return void, then, its caller can get rid of handling failure
> case.
>
> Signed-off-by: Chao Yu <[email protected]>

Nice. I've added the patch to my tree. Thanks!

Honza

> ---
> fs/quota/dquot.c | 6 +++---
> include/linux/quotaops.h | 15 +++++----------
> 2 files changed, 8 insertions(+), 13 deletions(-)
>
> diff --git a/fs/quota/dquot.c b/fs/quota/dquot.c
> index 58b5de081b57..44ff2813ae51 100644
> --- a/fs/quota/dquot.c
> +++ b/fs/quota/dquot.c
> @@ -1787,7 +1787,7 @@ EXPORT_SYMBOL(dquot_alloc_inode);
> /*
> * Convert in-memory reserved quotas to real consumed quotas
> */
> -int dquot_claim_space_nodirty(struct inode *inode, qsize_t number)
> +void dquot_claim_space_nodirty(struct inode *inode, qsize_t number)
> {
> struct dquot **dquots;
> int cnt, index;
> @@ -1797,7 +1797,7 @@ int dquot_claim_space_nodirty(struct inode *inode, qsize_t number)
> *inode_reserved_space(inode) -= number;
> __inode_add_bytes(inode, number);
> spin_unlock(&inode->i_lock);
> - return 0;
> + return;
> }
>
> dquots = i_dquot(inode);
> @@ -1822,7 +1822,7 @@ int dquot_claim_space_nodirty(struct inode *inode, qsize_t number)
> spin_unlock(&inode->i_lock);
> mark_all_dquot_dirty(dquots);
> srcu_read_unlock(&dquot_srcu, index);
> - return 0;
> + return;
> }
> EXPORT_SYMBOL(dquot_claim_space_nodirty);
>
> diff --git a/include/linux/quotaops.h b/include/linux/quotaops.h
> index 4fa4ef0a173a..06cc8888199e 100644
> --- a/include/linux/quotaops.h
> +++ b/include/linux/quotaops.h
> @@ -74,7 +74,7 @@ void __dquot_free_space(struct inode *inode, qsize_t number, int flags);
>
> int dquot_alloc_inode(struct inode *inode);
>
> -int dquot_claim_space_nodirty(struct inode *inode, qsize_t number);
> +void dquot_claim_space_nodirty(struct inode *inode, qsize_t number);
> void dquot_free_inode(struct inode *inode);
> void dquot_reclaim_space_nodirty(struct inode *inode, qsize_t number);
>
> @@ -257,10 +257,9 @@ static inline void __dquot_free_space(struct inode *inode, qsize_t number,
> inode_sub_bytes(inode, number);
> }
>
> -static inline int dquot_claim_space_nodirty(struct inode *inode, qsize_t number)
> +static inline void dquot_claim_space_nodirty(struct inode *inode, qsize_t number)
> {
> inode_add_bytes(inode, number);
> - return 0;
> }
>
> static inline int dquot_reclaim_space_nodirty(struct inode *inode,
> @@ -358,14 +357,10 @@ static inline int dquot_reserve_block(struct inode *inode, qsize_t nr)
> DQUOT_SPACE_WARN|DQUOT_SPACE_RESERVE);
> }
>
> -static inline int dquot_claim_block(struct inode *inode, qsize_t nr)
> +static inline void dquot_claim_block(struct inode *inode, qsize_t nr)
> {
> - int ret;
> -
> - ret = dquot_claim_space_nodirty(inode, nr << inode->i_blkbits);
> - if (!ret)
> - mark_inode_dirty_sync(inode);
> - return ret;
> + dquot_claim_space_nodirty(inode, nr << inode->i_blkbits);
> + mark_inode_dirty_sync(inode);
> }
>
> static inline void dquot_reclaim_block(struct inode *inode, qsize_t nr)
> --
> 2.40.1
>
--
Jan Kara <[email protected]>
SUSE Labs, CR