diff options
Diffstat (limited to 'fs/kernfs/inode.c')
-rw-r--r-- | fs/kernfs/inode.c | 47 |
1 files changed, 20 insertions, 27 deletions
diff --git a/fs/kernfs/inode.c b/fs/kernfs/inode.c index 0c1fd945ce42..7d30b4949a84 100644 --- a/fs/kernfs/inode.c +++ b/fs/kernfs/inode.c @@ -35,7 +35,6 @@ static struct kernfs_iattrs *kernfs_iattrs(struct kernfs_node *kn) { static DEFINE_MUTEX(iattr_mutex); struct kernfs_iattrs *ret; - struct iattr *iattrs; mutex_lock(&iattr_mutex); @@ -45,16 +44,14 @@ static struct kernfs_iattrs *kernfs_iattrs(struct kernfs_node *kn) kn->iattr = kmem_cache_zalloc(kernfs_iattrs_cache, GFP_KERNEL); if (!kn->iattr) goto out_unlock; - iattrs = &kn->iattr->ia_iattr; /* assign default attributes */ - iattrs->ia_mode = kn->mode; - iattrs->ia_uid = GLOBAL_ROOT_UID; - iattrs->ia_gid = GLOBAL_ROOT_GID; + kn->iattr->ia_uid = GLOBAL_ROOT_UID; + kn->iattr->ia_gid = GLOBAL_ROOT_GID; - ktime_get_real_ts64(&iattrs->ia_atime); - iattrs->ia_mtime = iattrs->ia_atime; - iattrs->ia_ctime = iattrs->ia_atime; + ktime_get_real_ts64(&kn->iattr->ia_atime); + kn->iattr->ia_mtime = kn->iattr->ia_atime; + kn->iattr->ia_ctime = kn->iattr->ia_atime; simple_xattrs_init(&kn->iattr->xattrs); out_unlock: @@ -66,29 +63,24 @@ out_unlock: int __kernfs_setattr(struct kernfs_node *kn, const struct iattr *iattr) { struct kernfs_iattrs *attrs; - struct iattr *iattrs; unsigned int ia_valid = iattr->ia_valid; attrs = kernfs_iattrs(kn); if (!attrs) return -ENOMEM; - iattrs = &attrs->ia_iattr; - if (ia_valid & ATTR_UID) - iattrs->ia_uid = iattr->ia_uid; + attrs->ia_uid = iattr->ia_uid; if (ia_valid & ATTR_GID) - iattrs->ia_gid = iattr->ia_gid; + attrs->ia_gid = iattr->ia_gid; if (ia_valid & ATTR_ATIME) - iattrs->ia_atime = iattr->ia_atime; + attrs->ia_atime = iattr->ia_atime; if (ia_valid & ATTR_MTIME) - iattrs->ia_mtime = iattr->ia_mtime; + attrs->ia_mtime = iattr->ia_mtime; if (ia_valid & ATTR_CTIME) - iattrs->ia_ctime = iattr->ia_ctime; - if (ia_valid & ATTR_MODE) { - umode_t mode = iattr->ia_mode; - iattrs->ia_mode = kn->mode = mode; - } + attrs->ia_ctime = iattr->ia_ctime; + if (ia_valid & ATTR_MODE) + kn->mode = iattr->ia_mode; return 0; } @@ -171,14 +163,15 @@ static inline void set_default_inode_attr(struct inode *inode, umode_t mode) inode->i_ctime = current_time(inode); } -static inline void set_inode_attr(struct inode *inode, struct iattr *iattr) +static inline void set_inode_attr(struct inode *inode, + struct kernfs_iattrs *attrs) { struct super_block *sb = inode->i_sb; - inode->i_uid = iattr->ia_uid; - inode->i_gid = iattr->ia_gid; - inode->i_atime = timespec64_trunc(iattr->ia_atime, sb->s_time_gran); - inode->i_mtime = timespec64_trunc(iattr->ia_mtime, sb->s_time_gran); - inode->i_ctime = timespec64_trunc(iattr->ia_ctime, sb->s_time_gran); + inode->i_uid = attrs->ia_uid; + inode->i_gid = attrs->ia_gid; + inode->i_atime = timespec64_trunc(attrs->ia_atime, sb->s_time_gran); + inode->i_mtime = timespec64_trunc(attrs->ia_mtime, sb->s_time_gran); + inode->i_ctime = timespec64_trunc(attrs->ia_ctime, sb->s_time_gran); } static void kernfs_refresh_inode(struct kernfs_node *kn, struct inode *inode) @@ -191,7 +184,7 @@ static void kernfs_refresh_inode(struct kernfs_node *kn, struct inode *inode) * kernfs_node has non-default attributes get them from * persistent copy in kernfs_node. */ - set_inode_attr(inode, &attrs->ia_iattr); + set_inode_attr(inode, attrs); security_inode_notifysecctx(inode, attrs->ia_secdata, attrs->ia_secdata_len); } |