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fs: provide rcu-walk aware permission i_ops

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Signed-off-by: Nick Piggin <npiggin@kernel.dk>
This commit is contained in:
Nick Piggin
2011-01-07 17:49:58 +11:00
parent 34286d6662
commit b74c79e993
60 changed files with 287 additions and 146 deletions
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8
fs/ext2/acl.c
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@@ -232,10 +232,14 @@ ext2_set_acl(struct inode *inode, int type, struct posix_acl *acl)
}
int
ext2_check_acl(struct inode *inode, int mask)
ext2_check_acl(struct inode *inode, int mask, unsigned int flags)
{
struct posix_acl *acl = ext2_get_acl(inode, ACL_TYPE_ACCESS);
struct posix_acl *acl;
if (flags & IPERM_FLAG_RCU)
return -ECHILD;
acl = ext2_get_acl(inode, ACL_TYPE_ACCESS);
if (IS_ERR(acl))
return PTR_ERR(acl);
if (acl) {

2
fs/ext2/acl.h
View File

@@ -54,7 +54,7 @@ static inline int ext2_acl_count(size_t size)
#ifdef CONFIG_EXT2_FS_POSIX_ACL
/* acl.c */
extern int ext2_check_acl (struct inode *, int);
extern int ext2_check_acl (struct inode *, int, unsigned int);
extern int ext2_acl_chmod (struct inode *);
extern int ext2_init_acl (struct inode *, struct inode *);