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fs: take the ACL checks to common code

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Replace the ->check_acl method with a ->get_acl method that simply reads an
ACL from disk after having a cache miss.  This means we can replace the ACL
checking boilerplate code with a single implementation in namei.c.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Christoph Hellwig
2011-07-23 17:37:31 +02:00
committed by Al Viro
parent edde854e8b
commit 4e34e719e4
52 changed files with 92 additions and 294 deletions
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4
fs/ext4/acl.h
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@@ -54,13 +54,13 @@ static inline int ext4_acl_count(size_t size)
#ifdef CONFIG_EXT4_FS_POSIX_ACL
/* acl.c */
extern int ext4_check_acl(struct inode *, int);
struct posix_acl *ext4_get_acl(struct inode *inode, int type);
extern int ext4_acl_chmod(struct inode *);
extern int ext4_init_acl(handle_t *, struct inode *, struct inode *);
#else /* CONFIG_EXT4_FS_POSIX_ACL */
#include <linux/sched.h>
#define ext4_check_acl NULL
#define ext4_get_acl NULL
static inline int
ext4_acl_chmod(struct inode *inode)