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add caching of ACLs in struct inode

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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro
2009-06-08 19:50:45 -04:00
parent 3e63cbb1ef
commit f19d4a8fa6
2 changed files with 17 additions and 0 deletions
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7
include/linux/fs.h
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@@ -710,6 +710,9 @@ static inline int mapping_writably_mapped(struct address_space *mapping)
#define i_size_ordered_init(inode) do { } while (0)
#endif
struct posix_acl;
#define ACL_NOT_CACHED ((void *)(-1))
struct inode {
struct hlist_node i_hash;
struct list_head i_list;
@@ -772,6 +775,10 @@ struct inode {
atomic_t i_writecount;
#ifdef CONFIG_SECURITY
void *i_security;
#endif
#ifdef CONFIG_FS_POSIX_ACL
struct posix_acl *i_acl;
struct posix_acl *i_default_acl;
#endif
void *i_private; /* fs or device private pointer */
};