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quota: simplify the quotactl compat handling

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Fold the misaligned u64 workarounds into the main quotactl flow instead
of implementing a separate compat syscall handler.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Jan Kara <jack@suse.cz>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Christoph Hellwig
2020-09-17 09:41:59 +02:00
committed by Al Viro
parent 527c412519
commit 80bdad3d7e
8 changed files with 94 additions and 145 deletions
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3
include/linux/quotaops.h
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@@ -27,9 +27,6 @@ static inline bool is_quota_modification(struct inode *inode, struct iattr *ia)
(ia->ia_valid & ATTR_GID && !gid_eq(ia->ia_gid, inode->i_gid));
}
int kernel_quotactl(unsigned int cmd, const char __user *special,
qid_t id, void __user *addr);
#if defined(CONFIG_QUOTA)
#define quota_error(sb, fmt, args...) \