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New structs for two-way cacheing

N2009_11_14_FIXES
jpandre 2007-10-06 14:27:25 +00:00
parent 7006a9452c
commit 006d0aad79
1 changed files with 28 additions and 8 deletions
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36
include/ntfs-3g/security.h
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@ -35,20 +35,32 @@
struct MAPPING {
struct MAPPING *next;
int xid; /* linux id : uid or gid */
SID *sid; /* Windows id : usid or gsid */
const SID *sid; /* Windows id : usid or gsid */
};
/*
* Entry in the security cache
* Entry in the permissions cache
*/
struct SECURITY_ENTRY {
struct CACHED_PERMISSIONS {
uid_t uid;
gid_t gid;
unsigned int mode:9;
unsigned int valid:1;
} ;
/*
* Entry in the securid cache
*/
struct CACHED_SECURID {
struct CACHED_SECURID *next;
uid_t uid;
gid_t gid;
unsigned int mode;
le32 securid;
} ;
/*
* Header of the security cache
*/
@ -56,10 +68,16 @@ struct SECURITY_ENTRY {
struct SECURITY_HEAD {
int first;
int last;
/* statistics */
unsigned long attempts;
unsigned long reads;
unsigned long writes;
struct CACHED_SECURID *most_recent_securid;
/* statistics for permissions */
unsigned long p_writes;
unsigned long p_reads;
unsigned long p_hits;
/* statistics for securids */
unsigned long s_writes;
unsigned long s_reads;
unsigned long s_hits;
unsigned long s_hops;
} ;
/*
@ -68,7 +86,7 @@ struct SECURITY_HEAD {
struct SECURITY_CACHE {
struct SECURITY_HEAD head;
struct SECURITY_ENTRY cachetable[1]; /* array of variable size */
struct CACHED_PERMISSIONS cachetable[1]; /* array of variable size */
} ;
/*
@ -129,6 +147,8 @@ int ntfs_set_owner(struct SECURITY_CONTEXT *scx,
int ntfs_set_owner_mode(struct SECURITY_CONTEXT *scx,
const char *path, ntfs_inode *ni,
uid_t uid, gid_t gid, mode_t mode);
int ntfs_open_secure(ntfs_volume *vol);
void ntfs_close_secure(ntfs_volume *vol);
#endif /* defined _NTFS_SECURITY_H */