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quota: do not allow setting of quota limits to too high values

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We should check whether quota limits set via Q_SETQUOTA are not exceeding
limits which quota format is able to handle.

Signed-off-by: Andrew Perepechko <andrew.perepechko@sun.com>
Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Andrew Perepechko
2008-04-28 02:14:31 -07:00
committed by Linus Torvalds
parent 3b0cb4caef
commit 338bf9afda
4 changed files with 25 additions and 5 deletions
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2
include/linux/quota.h
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@@ -206,6 +206,8 @@ struct mem_dqinfo {
unsigned long dqi_flags;
unsigned int dqi_bgrace;
unsigned int dqi_igrace;
qsize_t dqi_maxblimit;
qsize_t dqi_maxilimit;
union {
struct v1_mem_dqinfo v1_i;
struct v2_mem_dqinfo v2_i;