diff options
Diffstat (limited to 'fs/gfs2/acl.c')
| -rw-r--r-- | fs/gfs2/acl.c | 27 |
1 files changed, 25 insertions, 2 deletions
diff --git a/fs/gfs2/acl.c b/fs/gfs2/acl.c index bd0fce964c4..3eb1ea84617 100644 --- a/fs/gfs2/acl.c +++ b/fs/gfs2/acl.c @@ -48,6 +48,10 @@ static struct posix_acl *gfs2_acl_get(struct gfs2_inode *ip, int type) if (!ip->i_eattr) return NULL; + acl = get_cached_acl(&ip->i_inode, type); + if (acl != ACL_NOT_CACHED) + return acl; + name = gfs2_acl_name(type); if (name == NULL) return ERR_PTR(-EINVAL); @@ -123,6 +127,8 @@ static int gfs2_acl_set(struct inode *inode, int type, struct posix_acl *acl) if (error < 0) goto out; error = gfs2_xattr_set(inode, GFS2_EATYPE_SYS, name, data, len, 0); + if (!error) + set_cached_acl(inode, type, acl); out: kfree(data); return error; @@ -209,6 +215,7 @@ int gfs2_acl_chmod(struct gfs2_inode *ip, struct iattr *attr) posix_acl_to_xattr(acl, data, len); error = gfs2_xattr_acl_chmod(ip, attr, data); kfree(data); + set_cached_acl(&ip->i_inode, ACL_TYPE_ACCESS, acl); } out: @@ -228,15 +235,25 @@ static int gfs2_acl_type(const char *name) static int gfs2_xattr_system_get(struct inode *inode, const char *name, void *buffer, size_t size) { + struct posix_acl *acl; int type; + int error; type = gfs2_acl_type(name); if (type < 0) return type; - return gfs2_xattr_get(inode, GFS2_EATYPE_SYS, name, buffer, size); -} + acl = gfs2_acl_get(GFS2_I(inode), type); + if (IS_ERR(acl)) + return PTR_ERR(acl); + if (acl == NULL) + return -ENODATA; + error = posix_acl_to_xattr(acl, buffer, size); + posix_acl_release(acl); + + return error; +} static int gfs2_xattr_system_set(struct inode *inode, const char *name, const void *value, size_t size, int flags) @@ -303,6 +320,12 @@ static int gfs2_xattr_system_set(struct inode *inode, const char *name, set_acl: error = gfs2_xattr_set(inode, GFS2_EATYPE_SYS, name, value, size, 0); + if (!error) { + if (acl) + set_cached_acl(inode, type, acl); + else + forget_cached_acl(inode, type); + } out_release: posix_acl_release(acl); out: |