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: Al Viro <[email protected]>
rtvt123 · Jan 5, 2009 · 56ff5ef · 56ff5ef
1 parent acfa438
commit 56ff5ef
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Showing 31 changed files with 2 additions and 66 deletions.
diff --git a/arch/powerpc/platforms/cell/spufs/inode.c b/arch/powerpc/platforms/cell/spufs/inode.c
@@ -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;

diff --git a/arch/s390/hypfs/inode.c b/arch/s390/hypfs/inode.c
@@ -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;

diff --git a/drivers/infiniband/hw/ipath/ipath_fs.c b/drivers/infiniband/hw/ipath/ipath_fs.c
@@ -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) {

diff --git a/drivers/isdn/capi/capifs.c b/drivers/isdn/capi/capifs.c
@@ -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;

diff --git a/drivers/misc/ibmasm/ibmasmfs.c b/drivers/misc/ibmasm/ibmasmfs.c
@@ -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;

diff --git a/drivers/oprofile/oprofilefs.c b/drivers/oprofile/oprofilefs.c
@@ -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;

diff --git a/drivers/usb/core/inode.c b/drivers/usb/core/inode.c
@@ -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:

diff --git a/drivers/usb/gadget/inode.c b/drivers/usb/gadget/inode.c
@@ -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;

diff --git a/fs/autofs/inode.c b/fs/autofs/inode.c
@@ -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;
 	} 
 

diff --git a/fs/autofs4/inode.c b/fs/autofs4/inode.c
@@ -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)) {

diff --git a/fs/binfmt_misc.c b/fs/binfmt_misc.c
@@ -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);
 	}

diff --git a/fs/configfs/inode.c b/fs/configfs/inode.c
@@ -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;

diff --git a/fs/cramfs/inode.c b/fs/cramfs/inode.c
@@ -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));
 		}

diff --git a/fs/debugfs/inode.c b/fs/debugfs/inode.c
@@ -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:

diff --git a/fs/devpts/inode.c b/fs/devpts/inode.c
@@ -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;

diff --git a/fs/hugetlbfs/inode.c b/fs/hugetlbfs/inode.c
@@ -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;

diff --git a/fs/inode.c b/fs/inode.c
@@ -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;

diff --git a/fs/libfs.c b/fs/libfs.c
@@ -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;

diff --git a/fs/ocfs2/dlm/dlmfs.c b/fs/ocfs2/dlm/dlmfs.c
@@ -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;
 

diff --git a/fs/omfs/inode.c b/fs/omfs/inode.c
@@ -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;

diff --git a/fs/openpromfs/inode.c b/fs/openpromfs/inode.c
@@ -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;
 }

diff --git a/fs/proc/base.c b/fs/proc/base.c
@@ -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;

diff --git a/fs/proc/proc_sysctl.c b/fs/proc/proc_sysctl.c
@@ -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;

diff --git a/fs/ramfs/inode.c b/fs/ramfs/inode.c
@@ -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);

diff --git a/fs/romfs/inode.c b/fs/romfs/inode.c
@@ -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);

diff --git a/fs/sysfs/inode.c b/fs/sysfs/inode.c
@@ -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;

diff --git a/ipc/mqueue.c b/ipc/mqueue.c
@@ -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;
 

diff --git a/kernel/cgroup.c b/kernel/cgroup.c
@@ -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;
 	}

diff --git a/net/sunrpc/rpc_pipe.c b/net/sunrpc/rpc_pipe.c
@@ -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:

diff --git a/security/inode.c b/security/inode.c
@@ -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:

diff --git a/security/selinux/selinuxfs.c b/security/selinux/selinuxfs.c
@@ -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;