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quota: use flags interface for dquot alloc/free space

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Switch __dquot_alloc_space and __dquot_free_space to take flags
to indicate whether to warn and/or to reserve (or free reserve).

This is slightly more readable at the callpoints, and makes it
cleaner to add a "nofail" option in the next patch.

Signed-off-by: Eric Sandeen <[email protected]>
Signed-off-by: "Theodore Ts'o" <[email protected]>
This commit is contained in:
Eric Sandeen 2010-05-16 09:00:00 -04:00 • committed by Theodore Ts'o
commit 56246f9ae4
2 changed files with 19 additions and 14 deletions
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8
fs/quota/dquot.c
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@ -1488,11 +1488,12 @@ static void inode_decr_space(struct inode *inode, qsize_t number, int reserve)
/*
* This operation can block, but only after everything is updated
*/
int __dquot_alloc_space(struct inode *inode, qsize_t number,
int warn, int reserve)
int __dquot_alloc_space(struct inode *inode, qsize_t number, int flags)
{
int cnt, ret = 0;
char warntype[MAXQUOTAS];
int warn = flags & DQUOT_SPACE_WARN;
int reserve = flags & DQUOT_SPACE_RESERVE;
/*
* First test before acquiring mutex - solves deadlocks when we
@ -1612,10 +1613,11 @@ EXPORT_SYMBOL(dquot_claim_space_nodirty);
/*
* This operation can block, but only after everything is updated
*/
void __dquot_free_space(struct inode *inode, qsize_t number, int reserve)
void __dquot_free_space(struct inode *inode, qsize_t number, int flags)
{
unsigned int cnt;
char warntype[MAXQUOTAS];
int reserve = flags & DQUOT_SPACE_RESERVE;
/* First test before acquiring mutex - solves deadlocks when we
* re-enter the quota code and are already holding the mutex */