coda: Cache permisions in struct coda_inode_info in a kuid_t.
- Change c_uid in struct coda_indoe_info from a vuid_t to a kuid_t.
- Initialize c_uid to GLOBAL_ROOT_UID instead of 0.
- Use uid_eq to compare cached kuids.
Cc: Jan Harkes <jaharkes@cs.cmu.edu>
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
diff --git a/fs/coda/cache.c b/fs/coda/cache.c
index 958ae0e..1da168c 100644
--- a/fs/coda/cache.c
+++ b/fs/coda/cache.c
@@ -33,7 +33,7 @@
spin_lock(&cii->c_lock);
cii->c_cached_epoch = atomic_read(&permission_epoch);
- if (cii->c_uid != current_fsuid()) {
+ if (!uid_eq(cii->c_uid, current_fsuid())) {
cii->c_uid = current_fsuid();
cii->c_cached_perm = mask;
} else
@@ -65,7 +65,7 @@
spin_lock(&cii->c_lock);
hit = (mask & cii->c_cached_perm) == mask &&
- cii->c_uid == current_fsuid() &&
+ uid_eq(cii->c_uid, current_fsuid()) &&
cii->c_cached_epoch == atomic_read(&permission_epoch);
spin_unlock(&cii->c_lock);
diff --git a/fs/coda/coda_fs_i.h b/fs/coda/coda_fs_i.h
index b24fdfd..c640752 100644
--- a/fs/coda/coda_fs_i.h
+++ b/fs/coda/coda_fs_i.h
@@ -25,7 +25,7 @@
u_short c_flags; /* flags (see below) */
unsigned int c_mapcount; /* nr of times this inode is mapped */
unsigned int c_cached_epoch; /* epoch for cached permissions */
- vuid_t c_uid; /* fsuid for cached permissions */
+ kuid_t c_uid; /* fsuid for cached permissions */
unsigned int c_cached_perm; /* cached access permissions */
spinlock_t c_lock;
struct inode vfs_inode;
diff --git a/fs/coda/inode.c b/fs/coda/inode.c
index 77bbaf4..cf674e9 100644
--- a/fs/coda/inode.c
+++ b/fs/coda/inode.c
@@ -49,7 +49,7 @@
return NULL;
memset(&ei->c_fid, 0, sizeof(struct CodaFid));
ei->c_flags = 0;
- ei->c_uid = 0;
+ ei->c_uid = GLOBAL_ROOT_UID;
ei->c_cached_perm = 0;
spin_lock_init(&ei->c_lock);
return &ei->vfs_inode;