提交 56ff5efa 编写于 作者: A Al Viro

zero i_uid/i_gid on inode allocation

... and don't bother in callers.  Don't bother with zeroing i_blocks,
while we are at it - it's already been zeroed.

i_mode is not worth the effort; it has no common default value.
Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk>
上级 acfa4380
......@@ -97,7 +97,6 @@ spufs_new_inode(struct super_block *sb, int mode)
inode->i_mode = mode;
inode->i_uid = current_fsuid();
inode->i_gid = current_fsgid();
inode->i_blocks = 0;
inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME;
out:
return inode;
......
......@@ -106,7 +106,6 @@ static struct inode *hypfs_make_inode(struct super_block *sb, int mode)
ret->i_mode = mode;
ret->i_uid = hypfs_info->uid;
ret->i_gid = hypfs_info->gid;
ret->i_blocks = 0;
ret->i_atime = ret->i_mtime = ret->i_ctime = CURRENT_TIME;
if (mode & S_IFDIR)
ret->i_nlink = 2;
......
......@@ -57,9 +57,6 @@ static int ipathfs_mknod(struct inode *dir, struct dentry *dentry,
}
inode->i_mode = mode;
inode->i_uid = 0;
inode->i_gid = 0;
inode->i_blocks = 0;
inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME;
inode->i_private = data;
if ((mode & S_IFMT) == S_IFDIR) {
......
......@@ -111,8 +111,6 @@ capifs_fill_super(struct super_block *s, void *data, int silent)
goto fail;
inode->i_ino = 1;
inode->i_mtime = inode->i_atime = inode->i_ctime = CURRENT_TIME;
inode->i_blocks = 0;
inode->i_uid = inode->i_gid = 0;
inode->i_mode = S_IFDIR | S_IRUGO | S_IXUGO | S_IWUSR;
inode->i_op = &simple_dir_inode_operations;
inode->i_fop = &simple_dir_operations;
......
......@@ -146,8 +146,6 @@ static struct inode *ibmasmfs_make_inode(struct super_block *sb, int mode)
if (ret) {
ret->i_mode = mode;
ret->i_uid = ret->i_gid = 0;
ret->i_blocks = 0;
ret->i_atime = ret->i_mtime = ret->i_ctime = CURRENT_TIME;
}
return ret;
......
......@@ -29,9 +29,6 @@ static struct inode *oprofilefs_get_inode(struct super_block *sb, int mode)
if (inode) {
inode->i_mode = mode;
inode->i_uid = 0;
inode->i_gid = 0;
inode->i_blocks = 0;
inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME;
}
return inode;
......
......@@ -279,7 +279,6 @@ static struct inode *usbfs_get_inode (struct super_block *sb, int mode, dev_t de
inode->i_mode = mode;
inode->i_uid = current_fsuid();
inode->i_gid = current_fsgid();
inode->i_blocks = 0;
inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME;
switch (mode & S_IFMT) {
default:
......
......@@ -2001,7 +2001,6 @@ gadgetfs_make_inode (struct super_block *sb,
inode->i_mode = mode;
inode->i_uid = default_uid;
inode->i_gid = default_gid;
inode->i_blocks = 0;
inode->i_atime = inode->i_mtime = inode->i_ctime
= CURRENT_TIME;
inode->i_private = data;
......
......@@ -251,13 +251,11 @@ struct inode *autofs_iget(struct super_block *sb, unsigned long ino)
inode->i_mode = S_IFDIR | S_IRUGO | S_IXUGO;
inode->i_nlink = 2;
inode->i_mtime = inode->i_atime = inode->i_ctime = CURRENT_TIME;
inode->i_blocks = 0;
if (ino == AUTOFS_ROOT_INO) {
inode->i_mode = S_IFDIR | S_IRUGO | S_IXUGO | S_IWUSR;
inode->i_op = &autofs_root_inode_operations;
inode->i_fop = &autofs_root_operations;
inode->i_uid = inode->i_gid = 0; /* Changed in read_super */
goto done;
}
......
......@@ -455,11 +455,7 @@ struct inode *autofs4_get_inode(struct super_block *sb,
if (sb->s_root) {
inode->i_uid = sb->s_root->d_inode->i_uid;
inode->i_gid = sb->s_root->d_inode->i_gid;
} else {
inode->i_uid = 0;
inode->i_gid = 0;
}
inode->i_blocks = 0;
inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME;
if (S_ISDIR(inf->mode)) {
......
......@@ -496,9 +496,6 @@ static struct inode *bm_get_inode(struct super_block *sb, int mode)
if (inode) {
inode->i_mode = mode;
inode->i_uid = 0;
inode->i_gid = 0;
inode->i_blocks = 0;
inode->i_atime = inode->i_mtime = inode->i_ctime =
current_fs_time(inode->i_sb);
}
......
......@@ -117,8 +117,6 @@ int configfs_setattr(struct dentry * dentry, struct iattr * iattr)
static inline void set_default_inode_attr(struct inode * inode, mode_t mode)
{
inode->i_mode = mode;
inode->i_uid = 0;
inode->i_gid = 0;
inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME;
}
......@@ -136,7 +134,6 @@ struct inode * configfs_new_inode(mode_t mode, struct configfs_dirent * sd)
{
struct inode * inode = new_inode(configfs_sb);
if (inode) {
inode->i_blocks = 0;
inode->i_mapping->a_ops = &configfs_aops;
inode->i_mapping->backing_dev_info = &configfs_backing_dev_info;
inode->i_op = &configfs_inode_operations;
......
......@@ -83,8 +83,6 @@ static struct inode *get_cramfs_inode(struct super_block *sb,
inode->i_op = &page_symlink_inode_operations;
inode->i_data.a_ops = &cramfs_aops;
} else {
inode->i_size = 0;
inode->i_blocks = 0;
init_special_inode(inode, inode->i_mode,
old_decode_dev(cramfs_inode->size));
}
......
......@@ -37,9 +37,6 @@ static struct inode *debugfs_get_inode(struct super_block *sb, int mode, dev_t d
if (inode) {
inode->i_mode = mode;
inode->i_uid = 0;
inode->i_gid = 0;
inode->i_blocks = 0;
inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME;
switch (mode & S_IFMT) {
default:
......
......@@ -189,8 +189,6 @@ static int mknod_ptmx(struct super_block *sb)
}
inode->i_ino = 2;
inode->i_uid = inode->i_gid = 0;
inode->i_blocks = 0;
inode->i_mtime = inode->i_atime = inode->i_ctime = CURRENT_TIME;
mode = S_IFCHR|opts->ptmxmode;
......@@ -300,8 +298,6 @@ devpts_fill_super(struct super_block *s, void *data, int silent)
goto free_fsi;
inode->i_ino = 1;
inode->i_mtime = inode->i_atime = inode->i_ctime = CURRENT_TIME;
inode->i_blocks = 0;
inode->i_uid = inode->i_gid = 0;
inode->i_mode = S_IFDIR | S_IRUGO | S_IXUGO | S_IWUSR;
inode->i_op = &simple_dir_inode_operations;
inode->i_fop = &simple_dir_operations;
......
......@@ -506,7 +506,6 @@ static struct inode *hugetlbfs_get_inode(struct super_block *sb, uid_t uid,
inode->i_mode = mode;
inode->i_uid = uid;
inode->i_gid = gid;
inode->i_blocks = 0;
inode->i_mapping->a_ops = &hugetlbfs_aops;
inode->i_mapping->backing_dev_info =&hugetlbfs_backing_dev_info;
inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME;
......
......@@ -131,6 +131,8 @@ struct inode *inode_init_always(struct super_block *sb, struct inode *inode)
inode->i_op = &empty_iops;
inode->i_fop = &empty_fops;
inode->i_nlink = 1;
inode->i_uid = 0;
inode->i_gid = 0;
atomic_set(&inode->i_writecount, 0);
inode->i_size = 0;
inode->i_blocks = 0;
......
......@@ -231,7 +231,6 @@ int get_sb_pseudo(struct file_system_type *fs_type, char *name,
*/
root->i_ino = 1;
root->i_mode = S_IFDIR | S_IRUSR | S_IWUSR;
root->i_uid = root->i_gid = 0;
root->i_atime = root->i_mtime = root->i_ctime = CURRENT_TIME;
dentry = d_alloc(NULL, &d_name);
if (!dentry) {
......@@ -436,8 +435,6 @@ int simple_fill_super(struct super_block *s, int magic, struct tree_descr *files
*/
inode->i_ino = 1;
inode->i_mode = S_IFDIR | 0755;
inode->i_uid = inode->i_gid = 0;
inode->i_blocks = 0;
inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME;
inode->i_op = &simple_dir_inode_operations;
inode->i_fop = &simple_dir_operations;
......@@ -464,8 +461,6 @@ int simple_fill_super(struct super_block *s, int magic, struct tree_descr *files
if (!inode)
goto out;
inode->i_mode = S_IFREG | files->mode;
inode->i_uid = inode->i_gid = 0;
inode->i_blocks = 0;
inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME;
inode->i_fop = files->ops;
inode->i_ino = i;
......
......@@ -341,7 +341,6 @@ static struct inode *dlmfs_get_root_inode(struct super_block *sb)
inode->i_mode = mode;
inode->i_uid = current_fsuid();
inode->i_gid = current_fsgid();
inode->i_blocks = 0;
inode->i_mapping->backing_dev_info = &dlmfs_backing_dev_info;
inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME;
inc_nlink(inode);
......@@ -367,7 +366,6 @@ static struct inode *dlmfs_get_inode(struct inode *parent,
inode->i_mode = mode;
inode->i_uid = current_fsuid();
inode->i_gid = current_fsgid();
inode->i_blocks = 0;
inode->i_mapping->backing_dev_info = &dlmfs_backing_dev_info;
inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME;
......
......@@ -39,7 +39,6 @@ struct inode *omfs_new_inode(struct inode *dir, int mode)
inode->i_mode = mode;
inode->i_uid = current_fsuid();
inode->i_gid = current_fsgid();
inode->i_blocks = 0;
inode->i_mapping->a_ops = &omfs_aops;
inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME;
......
......@@ -256,9 +256,6 @@ static struct dentry *openpromfs_lookup(struct inode *dir, struct dentry *dentry
break;
}
inode->i_gid = 0;
inode->i_uid = 0;
d_add(dentry, inode);
return NULL;
}
......
......@@ -1426,8 +1426,6 @@ static struct inode *proc_pid_make_inode(struct super_block * sb, struct task_st
if (!ei->pid)
goto out_unlock;
inode->i_uid = 0;
inode->i_gid = 0;
if (task_dumpable(task)) {
rcu_read_lock();
cred = __task_cred(task);
......@@ -2349,8 +2347,6 @@ static struct dentry *proc_base_instantiate(struct inode *dir,
if (!ei->pid)
goto out_iput;
inode->i_uid = 0;
inode->i_gid = 0;
inode->i_mode = p->mode;
if (S_ISDIR(inode->i_mode))
inode->i_nlink = 2;
......
......@@ -31,7 +31,6 @@ static struct inode *proc_sys_make_inode(struct super_block *sb,
inode->i_mtime = inode->i_atime = inode->i_ctime = CURRENT_TIME;
inode->i_flags |= S_PRIVATE; /* tell selinux to ignore this inode */
inode->i_mode = table->mode;
inode->i_uid = inode->i_gid = 0;
if (!table->child) {
inode->i_mode |= S_IFREG;
inode->i_op = &proc_sys_inode_operations;
......
......@@ -57,7 +57,6 @@ struct inode *ramfs_get_inode(struct super_block *sb, int mode, dev_t dev)
inode->i_mode = mode;
inode->i_uid = current_fsuid();
inode->i_gid = current_fsgid();
inode->i_blocks = 0;
inode->i_mapping->a_ops = &ramfs_aops;
inode->i_mapping->backing_dev_info = &ramfs_backing_dev_info;
mapping_set_gfp_mask(inode->i_mapping, GFP_HIGHUSER);
......
......@@ -524,7 +524,6 @@ romfs_iget(struct super_block *sb, unsigned long ino)
i->i_size = be32_to_cpu(ri.size);
i->i_mtime.tv_sec = i->i_atime.tv_sec = i->i_ctime.tv_sec = 0;
i->i_mtime.tv_nsec = i->i_atime.tv_nsec = i->i_ctime.tv_nsec = 0;
i->i_uid = i->i_gid = 0;
/* Precalculate the data offset */
ino = romfs_strnlen(i, ino+ROMFH_SIZE, ROMFS_MAXFN);
......
......@@ -107,8 +107,6 @@ int sysfs_setattr(struct dentry * dentry, struct iattr * iattr)
static inline void set_default_inode_attr(struct inode * inode, mode_t mode)
{
inode->i_mode = mode;
inode->i_uid = 0;
inode->i_gid = 0;
inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME;
}
......@@ -149,7 +147,6 @@ static void sysfs_init_inode(struct sysfs_dirent *sd, struct inode *inode)
{
struct bin_attribute *bin_attr;
inode->i_blocks = 0;
inode->i_mapping->a_ops = &sysfs_aops;
inode->i_mapping->backing_dev_info = &sysfs_backing_dev_info;
inode->i_op = &sysfs_inode_operations;
......
......@@ -120,7 +120,6 @@ static struct inode *mqueue_get_inode(struct super_block *sb, int mode,
inode->i_mode = mode;
inode->i_uid = current_fsuid();
inode->i_gid = current_fsgid();
inode->i_blocks = 0;
inode->i_mtime = inode->i_ctime = inode->i_atime =
CURRENT_TIME;
......
......@@ -573,7 +573,6 @@ static struct inode *cgroup_new_inode(mode_t mode, struct super_block *sb)
inode->i_mode = mode;
inode->i_uid = current_fsuid();
inode->i_gid = current_fsgid();
inode->i_blocks = 0;
inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME;
inode->i_mapping->backing_dev_info = &cgroup_backing_dev_info;
}
......
......@@ -522,8 +522,6 @@ rpc_get_inode(struct super_block *sb, int mode)
if (!inode)
return NULL;
inode->i_mode = mode;
inode->i_uid = inode->i_gid = 0;
inode->i_blocks = 0;
inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME;
switch(mode & S_IFMT) {
case S_IFDIR:
......
......@@ -61,9 +61,6 @@ static struct inode *get_inode(struct super_block *sb, int mode, dev_t dev)
if (inode) {
inode->i_mode = mode;
inode->i_uid = 0;
inode->i_gid = 0;
inode->i_blocks = 0;
inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME;
switch (mode & S_IFMT) {
default:
......
......@@ -847,8 +847,6 @@ static struct inode *sel_make_inode(struct super_block *sb, int mode)
if (ret) {
ret->i_mode = mode;
ret->i_uid = ret->i_gid = 0;
ret->i_blocks = 0;
ret->i_atime = ret->i_mtime = ret->i_ctime = CURRENT_TIME;
}
return ret;
......
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