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quota: Increase size of variables for limits and inode usage

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So far quota was fine with quota block limits and inode limits/numbers in
a 32-bit type. Now with rapid increase in storage sizes there are coming
requests to be able to handle quota limits above 4TB / more that 2^32 inodes.
So bump up sizes of types in mem_dqblk structure to 64-bits to be able to
handle this. Also update inode allocation / checking functions to use qsize_t
and make global structure keep quota limits in bytes so that things are
consistent.

Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Mark Fasheh <mfasheh@suse.com>
This commit is contained in:
Jan Kara
2008-08-20 14:45:12 +02:00
committed by Mark Fasheh
parent 74f783af95
commit 12095460f7
5 changed files with 79 additions and 49 deletions
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4
include/linux/quotaops.h
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@@ -26,10 +26,10 @@ int dquot_initialize(struct inode *inode, int type);
int dquot_drop(struct inode *inode);
int dquot_alloc_space(struct inode *inode, qsize_t number, int prealloc);
int dquot_alloc_inode(const struct inode *inode, unsigned long number);
int dquot_alloc_inode(const struct inode *inode, qsize_t number);
int dquot_free_space(struct inode *inode, qsize_t number);
int dquot_free_inode(const struct inode *inode, unsigned long number);
int dquot_free_inode(const struct inode *inode, qsize_t number);
int dquot_transfer(struct inode *inode, struct iattr *iattr);
int dquot_commit(struct dquot *dquot);