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OpenCloudOS-Kernel
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switch open-coded instances of d_make_root() to new helper 

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2012-01-08 22:15:13 -05:00
parent 6b4231e2f9
commit 48fde701af
64 changed files with 105 additions and 264 deletions
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4
arch/powerpc/platforms/cell/spufs/inode.c
View File

@ -757,9 +757,9 @@ spufs_create_root(struct super_block *sb, void *data)
goto out_iput;
ret = -ENOMEM;
sb->s_root = d_alloc_root(inode);
sb->s_root = d_make_root(inode);
if (!sb->s_root)
goto out_iput;
goto out;
return 0;
out_iput:

6
arch/s390/hypfs/inode.c
View File

@ -293,11 +293,9 @@ static int hypfs_fill_super(struct super_block *sb, void *data, int silent)
return -ENOMEM;
root_inode->i_op = &simple_dir_inode_operations;
root_inode->i_fop = &simple_dir_operations;
sb->s_root = root_dentry = d_alloc_root(root_inode);
if (!root_dentry) {
iput(root_inode);
sb->s_root = root_dentry = d_make_root(root_inode);
if (!root_dentry)
return -ENOMEM;
}
if (MACHINE_IS_VM)
rc = hypfs_vm_create_files(sb, root_dentry);
else

6
drivers/misc/ibmasm/ibmasmfs.c
View File

@ -129,11 +129,9 @@ static int ibmasmfs_fill_super (struct super_block *sb, void *data, int silent)
root->i_op = &simple_dir_inode_operations;
root->i_fop = ibmasmfs_dir_ops;
root_dentry = d_alloc_root(root);
if (!root_dentry) {
iput(root);
root_dentry = d_make_root(root);
if (!root_dentry)
return -ENOMEM;
}
sb->s_root = root_dentry;
ibmasmfs_create_files(sb, root_dentry);

6
drivers/oprofile/oprofilefs.c
View File

@ -251,11 +251,9 @@ static int oprofilefs_fill_super(struct super_block *sb, void *data, int silent)
return -ENOMEM;
root_inode->i_op = &simple_dir_inode_operations;
root_inode->i_fop = &simple_dir_operations;
root_dentry = d_alloc_root(root_inode);
if (!root_dentry) {
iput(root_inode);
root_dentry = d_make_root(root_inode);
if (!root_dentry)
return -ENOMEM;
}
sb->s_root = root_dentry;

9
drivers/usb/core/inode.c
View File

@ -462,16 +462,9 @@ static int usbfs_fill_super(struct super_block *sb, void *data, int silent)
sb->s_op = &usbfs_ops;
sb->s_time_gran = 1;
inode = usbfs_get_inode(sb, S_IFDIR | 0755, 0);
if (!inode) {
dbg("%s: could not get inode!",__func__);
return -ENOMEM;
}
root = d_alloc_root(inode);
root = d_make_root(inode);
if (!root) {
dbg("%s: could not get root dentry!",__func__);
iput(inode);
return -ENOMEM;
}
sb->s_root = root;

8
drivers/usb/gadget/f_fs.c
View File

@ -1063,13 +1063,9 @@ static int ffs_sb_fill(struct super_block *sb, void *_data, int silent)
&simple_dir_operations,
&simple_dir_inode_operations,
&data->perms);
if (unlikely(!inode))
sb->s_root = d_make_root(inode);
if (unlikely(!sb->s_root))
goto Enomem;
sb->s_root = d_alloc_root(inode);
if (unlikely(!sb->s_root)) {
iput(inode);
goto Enomem;
}
/* EP0 file */
if (unlikely(!ffs_sb_create_file(sb, "ep0", ffs,

4
drivers/usb/gadget/inode.c
View File

@ -2059,10 +2059,8 @@ gadgetfs_fill_super (struct super_block *sb, void *opts, int silent)
if (!inode)
goto Enomem;
inode->i_op = &simple_dir_inode_operations;
if (!(sb->s_root = d_alloc_root (inode))) {
iput(inode);
if (!(sb->s_root = d_make_root (inode)))
goto Enomem;
}
/* the ep0 file is named after the controller we expect;
* user mode code can use it for sanity checks, like we do.

3
fs/9p/vfs_super.c
View File

@ -155,9 +155,8 @@ static struct dentry *v9fs_mount(struct file_system_type *fs_type, int flags,
goto release_sb;
}
root = d_alloc_root(inode);
root = d_make_root(inode);
if (!root) {
iput(inode);
retval = -ENOMEM;
goto release_sb;
}

3
fs/adfs/super.c
View File

@ -483,10 +483,9 @@ static int adfs_fill_super(struct super_block *sb, void *data, int silent)
sb->s_d_op = &adfs_dentry_operations;
root = adfs_iget(sb, &root_obj);
sb->s_root = d_alloc_root(root);
sb->s_root = d_make_root(root);
if (!sb->s_root) {
int i;
iput(root);
for (i = 0; i < asb->s_map_size; i++)
brelse(asb->s_map[i].dm_bh);
kfree(asb->s_map);

7
fs/affs/super.c
View File

@ -473,7 +473,7 @@ got_root:
root_inode = affs_iget(sb, root_block);
if (IS_ERR(root_inode)) {
ret = PTR_ERR(root_inode);
goto out_error_noinode;
goto out_error;
}
if (AFFS_SB(sb)->s_flags & SF_INTL)
@ -481,7 +481,7 @@ got_root:
else
sb->s_d_op = &affs_dentry_operations;
sb->s_root = d_alloc_root(root_inode);
sb->s_root = d_make_root(root_inode);
if (!sb->s_root) {
printk(KERN_ERR "AFFS: Get root inode failed\n");
goto out_error;
@ -494,9 +494,6 @@ got_root:
* Begin the cascaded cleanup ...
*/
out_error:
if (root_inode)
iput(root_inode);
out_error_noinode:
kfree(sbi->s_bitmap);
affs_brelse(root_bh);
kfree(sbi->s_prefix);

7
fs/afs/super.c
View File

@ -301,7 +301,6 @@ static int afs_fill_super(struct super_block *sb,
{
struct afs_super_info *as = sb->s_fs_info;
struct afs_fid fid;
struct dentry *root = NULL;
struct inode *inode = NULL;
int ret;
@ -327,18 +326,16 @@ static int afs_fill_super(struct super_block *sb,
set_bit(AFS_VNODE_AUTOCELL, &AFS_FS_I(inode)->flags);
ret = -ENOMEM;
root = d_alloc_root(inode);
if (!root)
sb->s_root = d_make_root(inode);
if (!sb->s_root)
goto error;
sb->s_d_op = &afs_fs_dentry_operations;
sb->s_root = root;
_leave(" = 0");
return 0;
error:
iput(inode);
_leave(" = %d", ret);
return ret;
}

10
fs/autofs4/inode.c
View File

@ -247,12 +247,9 @@ int autofs4_fill_super(struct super_block *s, void *data, int silent)
if (!ino)
goto fail_free;
root_inode = autofs4_get_inode(s, S_IFDIR | 0755);
if (!root_inode)
goto fail_ino;
root = d_alloc_root(root_inode);
root = d_make_root(root_inode);
if (!root)
goto fail_iput;
goto fail_ino;
pipe = NULL;
root->d_fsdata = ino;
@ -317,9 +314,6 @@ fail_fput:
fail_dput:
dput(root);
goto fail_free;
fail_iput:
printk("autofs: get root dentry failed\n");
iput(root_inode);
fail_ino:
kfree(ino);
fail_free:

3
fs/befs/linuxvfs.c
View File

@ -852,9 +852,8 @@ befs_fill_super(struct super_block *sb, void *data, int silent)
ret = PTR_ERR(root);
goto unacquire_priv_sbp;
}
sb->s_root = d_alloc_root(root);
sb->s_root = d_make_root(root);
if (!sb->s_root) {
iput(root);
befs_error(sb, "get root inode failed");
goto unacquire_priv_sbp;
}

3
fs/bfs/inode.c
View File

@ -367,9 +367,8 @@ static int bfs_fill_super(struct super_block *s, void *data, int silent)
ret = PTR_ERR(inode);
goto out2;
}
s->s_root = d_alloc_root(inode);
s->s_root = d_make_root(inode);
if (!s->s_root) {
iput(inode);
ret = -ENOMEM;
goto out2;
}

8
fs/btrfs/super.c
View File

@ -629,7 +629,6 @@ static int btrfs_fill_super(struct super_block *sb,
void *data, int silent)
{
struct inode *inode;
struct dentry *root_dentry;
struct btrfs_fs_info *fs_info = btrfs_sb(sb);
struct btrfs_key key;
int err;
@ -660,15 +659,12 @@ static int btrfs_fill_super(struct super_block *sb,
goto fail_close;
}
root_dentry = d_alloc_root(inode);
if (!root_dentry) {
iput(inode);
sb->s_root = d_make_root(inode);
if (!sb->s_root) {
err = -ENOMEM;
goto fail_close;
}
sb->s_root = root_dentry;
save_mount_options(sb, data);
cleancache_init_fs(sb);
sb->s_flags |= MS_ACTIVE;

3
fs/ceph/super.c
View File

@ -655,9 +655,8 @@ static struct dentry *open_root_dentry(struct ceph_fs_client *fsc,
dout("open_root_inode success\n");
if (ceph_ino(inode) == CEPH_INO_ROOT &&
fsc->sb->s_root == NULL) {
root = d_alloc_root(inode);
root = d_make_root(inode);
if (!root) {
iput(inode);
root = ERR_PTR(-ENOMEM);
goto out;
}

4
fs/cifs/cifsfs.c
View File

@ -122,11 +122,9 @@ cifs_read_super(struct super_block *sb)
goto out_no_root;
}
sb->s_root = d_alloc_root(inode);
sb->s_root = d_make_root(inode);
if (!sb->s_root) {
rc = -ENOMEM;
iput(inode);
goto out_no_root;
}

3
fs/coda/inode.c
View File

@ -213,9 +213,8 @@ static int coda_fill_super(struct super_block *sb, void *data, int silent)
printk("coda_read_super: rootinode is %ld dev %s\n",
root->i_ino, root->i_sb->s_id);
sb->s_root = d_alloc_root(root);
sb->s_root = d_make_root(root);
if (!sb->s_root) {
iput(root);
error = -EINVAL;
goto error;
}

3
fs/configfs/mount.c
View File

@ -91,10 +91,9 @@ static int configfs_fill_super(struct super_block *sb, void *data, int silent)
return -ENOMEM;
}
root = d_alloc_root(inode);
root = d_make_root(inode);
if (!root) {
pr_debug("%s: could not get root dentry!\n",__func__);
iput(inode);
return -ENOMEM;
}
config_group_init(&configfs_root_group);

6
fs/cramfs/inode.c
View File

@ -318,11 +318,9 @@ static int cramfs_fill_super(struct super_block *sb, void *data, int silent)
root = get_cramfs_inode(sb, &super.root, 0);
if (IS_ERR(root))
goto out;
sb->s_root = d_alloc_root(root);
if (!sb->s_root) {
iput(root);
sb->s_root = d_make_root(root);
if (!sb->s_root)
goto out;
}
return 0;
out:
kfree(sbi);

3
fs/devpts/inode.c
View File

@ -309,12 +309,11 @@ devpts_fill_super(struct super_block *s, void *data, int silent)
inode->i_fop = &simple_dir_operations;
set_nlink(inode, 2);
s->s_root = d_alloc_root(inode);
s->s_root = d_make_root(inode);
if (s->s_root)
return 0;
printk(KERN_ERR "devpts: get root dentry failed\n");
iput(inode);
fail:
return -ENOMEM;

3
fs/ecryptfs/main.c
View File

@ -550,9 +550,8 @@ static struct dentry *ecryptfs_mount(struct file_system_type *fs_type, int flags
if (IS_ERR(inode))
goto out_free;
s->s_root = d_alloc_root(inode);
s->s_root = d_make_root(inode);
if (!s->s_root) {
iput(inode);
rc = -ENOMEM;
goto out_free;
}

3
fs/efs/super.c
View File

@ -317,10 +317,9 @@ static int efs_fill_super(struct super_block *s, void *d, int silent)
goto out_no_fs;
}
s->s_root = d_alloc_root(root);
s->s_root = d_make_root(root);
if (!(s->s_root)) {
printk(KERN_ERR "EFS: get root dentry failed\n");
iput(root);
ret = -ENOMEM;
goto out_no_fs;
}

3
fs/exofs/super.c
View File

@ -819,9 +819,8 @@ static int exofs_fill_super(struct super_block *sb, void *data, int silent)
ret = PTR_ERR(root);
goto free_sbi;
}
sb->s_root = d_alloc_root(root);
sb->s_root = d_make_root(root);
if (!sb->s_root) {
iput(root);
EXOFS_ERR("ERROR: get root inode failed\n");
ret = -ENOMEM;
goto free_sbi;

3
fs/ext2/super.c
View File

@ -1088,9 +1088,8 @@ static int ext2_fill_super(struct super_block *sb, void *data, int silent)
goto failed_mount3;
}
sb->s_root = d_alloc_root(root);
sb->s_root = d_make_root(root);
if (!sb->s_root) {
iput(root);
ext2_msg(sb, KERN_ERR, "error: get root inode failed");
ret = -ENOMEM;
goto failed_mount3;

3
fs/ext3/super.c
View File

@ -2046,10 +2046,9 @@ static int ext3_fill_super (struct super_block *sb, void *data, int silent)
ext3_msg(sb, KERN_ERR, "error: corrupt root inode, run e2fsck");
goto failed_mount3;
}
sb->s_root = d_alloc_root(root);
sb->s_root = d_make_root(root);
if (!sb->s_root) {
ext3_msg(sb, KERN_ERR, "error: get root dentry failed");
iput(root);
ret = -ENOMEM;
goto failed_mount3;
}

3
fs/ext4/super.c
View File

@ -3735,9 +3735,8 @@ no_journal:
iput(root);
goto failed_mount4;
}
sb->s_root = d_alloc_root(root);
sb->s_root = d_make_root(root);
if (!sb->s_root) {
iput(root);
ext4_msg(sb, KERN_ERR, "get root dentry failed");
ret = -ENOMEM;
goto failed_mount4;

3
fs/freevxfs/vxfs_super.c
View File

@ -224,9 +224,8 @@ static int vxfs_fill_super(struct super_block *sbp, void *dp, int silent)
ret = PTR_ERR(root);
goto out;
}
sbp->s_root = d_alloc_root(root);
sbp->s_root = d_make_root(root);
if (!sbp->s_root) {
iput(root);
printk(KERN_WARNING "vxfs: unable to get root dentry.\n");
goto out_free_ilist;
}

9
fs/fuse/inode.c
View File

@ -988,14 +988,9 @@ static int fuse_fill_super(struct super_block *sb, void *data, int silent)
err = -ENOMEM;
root = fuse_get_root_inode(sb, d.rootmode);
if (!root)
root_dentry = d_make_root(root);
if (!root_dentry)
goto err_put_conn;
root_dentry = d_alloc_root(root);
if (!root_dentry) {
iput(root);
goto err_put_conn;
}
/* only now - we want root dentry with NULL ->d_op */
sb->s_d_op = &fuse_dentry_operations;

3
fs/gfs2/ops_fstype.c
View File

@ -431,10 +431,9 @@ static int gfs2_lookup_root(struct super_block *sb, struct dentry **dptr,
fs_err(sdp, "can't read in %s inode: %ld\n", name, PTR_ERR(inode));
return PTR_ERR(inode);
}
dentry = d_alloc_root(inode);
dentry = d_make_root(inode);
if (!dentry) {
fs_err(sdp, "can't alloc %s dentry\n", name);
iput(inode);
return -ENOMEM;
}
*dptr = dentry;

6
fs/hfs/super.c
View File

@ -430,15 +430,13 @@ static int hfs_fill_super(struct super_block *sb, void *data, int silent)
sb->s_d_op = &hfs_dentry_operations;
res = -ENOMEM;
sb->s_root = d_alloc_root(root_inode);
sb->s_root = d_make_root(root_inode);
if (!sb->s_root)
goto bail_iput;
goto bail_no_root;
/* everything's okay */
return 0;
bail_iput:
iput(root_inode);
bail_no_root:
printk(KERN_ERR "hfs: get root inode failed.\n");
bail:

4
fs/hostfs/hostfs_kern.c
View File

@ -966,9 +966,9 @@ static int hostfs_fill_sb_common(struct super_block *sb, void *d, int silent)
}
err = -ENOMEM;
sb->s_root = d_alloc_root(root_inode);
sb->s_root = d_make_root(root_inode);
if (sb->s_root == NULL)
goto out_put;
goto out;
return 0;

6
fs/hpfs/super.c
View File

@ -625,11 +625,9 @@ static int hpfs_fill_super(struct super_block *s, void *options, int silent)
hpfs_init_inode(root);
hpfs_read_inode(root);
unlock_new_inode(root);
s->s_root = d_alloc_root(root);
if (!s->s_root) {
iput(root);
s->s_root = d_make_root(root);
if (!s->s_root)
goto bail0;
}
/*
* find the root directory's . pointer & finish filling in the inode

9
fs/hppfs/hppfs.c
View File

@ -726,17 +726,12 @@ static int hppfs_fill_super(struct super_block *sb, void *d, int silent)
err = -ENOMEM;
root_inode = get_inode(sb, dget(proc_mnt->mnt_root));
if (!root_inode)
goto out_mntput;
sb->s_root = d_alloc_root(root_inode);
sb->s_root = d_make_root(root_inode);
if (!sb->s_root)
goto out_iput;
goto out_mntput;
return 0;
out_iput:
iput(root_inode);
out_mntput:
mntput(proc_mnt);
out:

13
fs/hugetlbfs/inode.c
View File

@ -831,8 +831,6 @@ bad_val:
static int
hugetlbfs_fill_super(struct super_block *sb, void *data, int silent)
{
struct inode * inode;
struct dentry * root;
int ret;
struct hugetlbfs_config config;
struct hugetlbfs_sb_info *sbinfo;
@ -865,16 +863,9 @@ hugetlbfs_fill_super(struct super_block *sb, void *data, int silent)
sb->s_magic = HUGETLBFS_MAGIC;
sb->s_op = &hugetlbfs_ops;
sb->s_time_gran = 1;
inode = hugetlbfs_get_root(sb, &config);
if (!inode)
sb->s_root = d_make_root(hugetlbfs_get_root(sb, &config));
if (!sb->s_root)
goto out_free;
root = d_alloc_root(inode);
if (!root) {
iput(inode);
goto out_free;
}
sb->s_root = root;
return 0;
out_free:
kfree(sbinfo);

3
fs/isofs/inode.c
View File

@ -947,9 +947,8 @@ root_found:
s->s_d_op = &isofs_dentry_ops[table];
/* get the root dentry */
s->s_root = d_alloc_root(inode);
s->s_root = d_make_root(inode);
if (!(s->s_root)) {
iput(inode);
error = -ENOMEM;
goto out_no_inode;
}

6
fs/jffs2/fs.c
View File

@ -561,9 +561,9 @@ int jffs2_do_fill_super(struct super_block *sb, void *data, int silent)
ret = -ENOMEM;
D1(printk(KERN_DEBUG "jffs2_do_fill_super(): d_alloc_root()\n"));
sb->s_root = d_alloc_root(root_i);
sb->s_root = d_make_root(root_i);
if (!sb->s_root)
goto out_root_i;
goto out_root;
sb->s_maxbytes = 0xFFFFFFFF;
sb->s_blocksize = PAGE_CACHE_SIZE;
@ -573,8 +573,6 @@ int jffs2_do_fill_super(struct super_block *sb, void *data, int silent)
jffs2_start_garbage_collect_thread(c);
return 0;
out_root_i:
iput(root_i);
out_root:
jffs2_free_ino_caches(c);
jffs2_free_raw_node_refs(c);

3
fs/jfs/super.c
View File

@ -522,7 +522,7 @@ static int jfs_fill_super(struct super_block *sb, void *data, int silent)
ret = PTR_ERR(inode);
goto out_no_rw;
}
sb->s_root = d_alloc_root(inode);
sb->s_root = d_make_root(inode);
if (!sb->s_root)
goto out_no_root;
@ -540,7 +540,6 @@ static int jfs_fill_super(struct super_block *sb, void *data, int silent)
out_no_root:
jfs_err("jfs_read_super: get root dentry failed");
iput(inode);
out_no_rw:
rc = jfs_umount(sb);

6
fs/libfs.c
View File

@ -491,11 +491,9 @@ int simple_fill_super(struct super_block *s, unsigned long magic,
inode->i_op = &simple_dir_inode_operations;
inode->i_fop = &simple_dir_operations;
set_nlink(inode, 2);
root = d_alloc_root(inode);
if (!root) {
iput(inode);
root = d_make_root(inode);
if (!root)
return -ENOMEM;
}
for (i = 0; !files->name || files->name[0]; i++, files++) {
if (!files->name)
continue;

6
fs/logfs/super.c
View File

@ -315,11 +315,9 @@ static int logfs_get_sb_final(struct super_block *sb)
if (IS_ERR(rootdir))
goto fail;
sb->s_root = d_alloc_root(rootdir);
if (!sb->s_root) {
iput(rootdir);
sb->s_root = d_make_root(rootdir);
if (!sb->s_root)
goto fail;
}
/* at that point we know that ->put_super() will be called */
super->s_erase_page = alloc_pages(GFP_KERNEL, 0);

6
fs/ncpfs/inode.c
View File

@ -716,13 +716,11 @@ static int ncp_fill_super(struct super_block *sb, void *raw_data, int silent)
if (!root_inode)
goto out_disconnect;
DPRINTK("ncp_fill_super: root vol=%d\n", NCP_FINFO(root_inode)->volNumber);
sb->s_root = d_alloc_root(root_inode);
sb->s_root = d_make_root(root_inode);
if (!sb->s_root)
goto out_no_root;
goto out_disconnect;
return 0;
out_no_root:
iput(root_inode);
out_disconnect:
ncp_lock_server(server);
ncp_disconnect(server);

6
fs/nfs/getroot.c
View File

@ -49,11 +49,9 @@ static int nfs_superblock_set_dummy_root(struct super_block *sb, struct inode *i
{
/* The mntroot acts as the dummy root dentry for this superblock */
if (sb->s_root == NULL) {
sb->s_root = d_alloc_root(inode);
if (sb->s_root == NULL) {
iput(inode);
sb->s_root = d_make_root(inode);
if (sb->s_root == NULL)
return -ENOMEM;
}
ihold(inode);
/*
* Ensure that this dentry is invisible to d_find_alias().

3
fs/nilfs2/super.c
View File

@ -917,9 +917,8 @@ static int nilfs_get_root_dentry(struct super_block *sb,
if (root->cno == NILFS_CPTREE_CURRENT_CNO) {
dentry = d_find_alias(inode);
if (!dentry) {
dentry = d_alloc_root(inode);
dentry = d_make_root(inode);
if (!dentry) {
iput(inode);
ret = -ENOMEM;
goto failed_dentry;
}

14
fs/ocfs2/dlmfs/dlmfs.c
View File

@ -582,24 +582,14 @@ static int dlmfs_fill_super(struct super_block * sb,
void * data,
int silent)
{
struct inode * inode;
struct dentry * root;
sb->s_maxbytes = MAX_LFS_FILESIZE;
sb->s_blocksize = PAGE_CACHE_SIZE;
sb->s_blocksize_bits = PAGE_CACHE_SHIFT;
sb->s_magic = DLMFS_MAGIC;
sb->s_op = &dlmfs_ops;
inode = dlmfs_get_root_inode(sb);
if (!inode)
sb->s_root = d_make_root(dlmfs_get_root_inode(sb));
if (!sb->s_root)
return -ENOMEM;
root = d_alloc_root(inode);
if (!root) {
iput(inode);
return -ENOMEM;
}
sb->s_root = root;
return 0;
}

3
fs/ocfs2/super.c
View File

@ -1166,9 +1166,8 @@ static int ocfs2_fill_super(struct super_block *sb, void *data, int silent)
goto read_super_error;
}
root = d_alloc_root(inode);
root = d_make_root(inode);
if (!root) {
iput(inode);
status = -ENOMEM;
mlog_errno(status);
goto read_super_error;

6
fs/omfs/inode.c
View File

@ -539,11 +539,9 @@ static int omfs_fill_super(struct super_block *sb, void *data, int silent)
goto out_brelse_bh2;
}
sb->s_root = d_alloc_root(root);
if (!sb->s_root) {
iput(root);
sb->s_root = d_make_root(root);
if (!sb->s_root)
goto out_brelse_bh2;
}
printk(KERN_DEBUG "omfs: Mounted volume %s\n", omfs_rb->r_name);
ret = 0;

3
fs/openpromfs/inode.c
View File

@ -408,13 +408,12 @@ static int openprom_fill_super(struct super_block *s, void *data, int silent)
oi->type = op_inode_node;
oi->u.node = of_find_node_by_path("/");
s->s_root = d_alloc_root(root_inode);
s->s_root = d_make_root(root_inode);
if (!s->s_root)
goto out_no_root_dentry;
return 0;
out_no_root_dentry:
iput(root_inode);
ret = -ENOMEM;
out_no_root:
printk("openprom_fill_super: get root inode failed\n");

15
fs/proc/inode.c
View File

@ -486,8 +486,6 @@ struct inode *proc_get_inode(struct super_block *sb, struct proc_dir_entry *de)
int proc_fill_super(struct super_block *s)
{
struct inode * root_inode;
s->s_flags |= MS_NODIRATIME | MS_NOSUID | MS_NOEXEC;
s->s_blocksize = 1024;
s->s_blocksize_bits = 10;
@ -496,17 +494,10 @@ int proc_fill_super(struct super_block *s)
s->s_time_gran = 1;
pde_get(&proc_root);
root_inode = proc_get_inode(s, &proc_root);
if (!root_inode)
goto out_no_root;
s->s_root = d_alloc_root(root_inode);
if (!s->s_root) {
iput(root_inode);
goto out_no_root;
}
return 0;
s->s_root = d_make_root(proc_get_inode(s, &proc_root));
if (s->s_root)
return 0;
out_no_root:
printk("proc_read_super: get root inode failed\n");
pde_put(&proc_root);
return -ENOMEM;

3
fs/pstore/inode.c
View File

@ -303,7 +303,7 @@ int pstore_fill_super(struct super_block *sb, void *data, int silent)
/* override ramfs "dir" options so we catch unlink(2) */
inode->i_op = &pstore_dir_inode_operations;
root = d_alloc_root(inode);
root = d_make_root(inode);
sb->s_root = root;
if (!root) {
err = -ENOMEM;
@ -314,7 +314,6 @@ int pstore_fill_super(struct super_block *sb, void *data, int silent)
return 0;
fail:
iput(inode);
return err;
}

6
fs/qnx4/inode.c
View File

@ -260,15 +260,13 @@ static int qnx4_fill_super(struct super_block *s, void *data, int silent)
}
ret = -ENOMEM;
s->s_root = d_alloc_root(root);
s->s_root = d_make_root(root);
if (s->s_root == NULL)
goto outi;
goto outb;
brelse(bh);
return 0;
outi:
iput(root);
outb:
kfree(qs->BitMap);
out:

12
fs/ramfs/inode.c
View File

@ -210,7 +210,6 @@ int ramfs_fill_super(struct super_block *sb, void *data, int silent)
{
struct ramfs_fs_info *fsi;
struct inode *inode = NULL;
struct dentry *root;
int err;
save_mount_options(sb, data);
@ -234,14 +233,8 @@ int ramfs_fill_super(struct super_block *sb, void *data, int silent)
sb->s_time_gran = 1;
inode = ramfs_get_inode(sb, NULL, S_IFDIR | fsi->mount_opts.mode, 0);
if (!inode) {
err = -ENOMEM;
goto fail;
}
root = d_alloc_root(inode);
sb->s_root = root;
if (!root) {
sb->s_root = d_make_root(inode);
if (!sb->s_root) {
err = -ENOMEM;
goto fail;
}
@ -250,7 +243,6 @@ int ramfs_fill_super(struct super_block *sb, void *data, int silent)
fail:
kfree(fsi);
sb->s_fs_info = NULL;
iput(inode);
return err;
}

6
fs/reiserfs/super.c
View File

@ -1874,11 +1874,9 @@ static int reiserfs_fill_super(struct super_block *s, void *data, int silent)
unlock_new_inode(root_inode);
}
s->s_root = d_alloc_root(root_inode);
if (!s->s_root) {
iput(root_inode);
s->s_root = d_make_root(root_inode);
if (!s->s_root)
goto error;
}
// define and initialize hash function
sbi->s_hash_function = hash_function(s);
if (sbi->s_hash_function == NULL) {

6
fs/romfs/super.c
View File

@ -538,14 +538,12 @@ static int romfs_fill_super(struct super_block *sb, void *data, int silent)
if (IS_ERR(root))
goto error;
sb->s_root = d_alloc_root(root);
sb->s_root = d_make_root(root);
if (!sb->s_root)
goto error_i;
goto error;
return 0;
error_i:
iput(root);
error:
return -EINVAL;
error_rsb_inval:

3
fs/squashfs/super.c
View File

@ -316,11 +316,10 @@ check_directory_table:
}
insert_inode_hash(root);
sb->s_root = d_alloc_root(root);
sb->s_root = d_make_root(root);
if (sb->s_root == NULL) {
ERROR("Root inode create failed\n");
err = -ENOMEM;
iput(root);
goto failed_mount;
}

3
fs/sysfs/mount.c
View File

@ -61,10 +61,9 @@ static int sysfs_fill_super(struct super_block *sb, void *data, int silent)
}
/* instantiate and link root dentry */
root = d_alloc_root(inode);
root = d_make_root(inode);
if (!root) {
pr_debug("%s: could not get root dentry!\n",__func__);
iput(inode);
return -ENOMEM;
}
root->d_fsdata = &sysfs_root;

3
fs/sysv/super.c
View File

@ -341,9 +341,8 @@ static int complete_read_super(struct super_block *sb, int silent, int size)
printk("SysV FS: get root inode failed\n");
return 0;
}
sb->s_root = d_alloc_root(root_inode);
sb->s_root = d_make_root(root_inode);
if (!sb->s_root) {
iput(root_inode);
printk("SysV FS: get root dentry failed\n");
return 0;
}

6
fs/ubifs/super.c
View File

@ -2076,15 +2076,13 @@ static int ubifs_fill_super(struct super_block *sb, void *data, int silent)
goto out_umount;
}
sb->s_root = d_alloc_root(root);
sb->s_root = d_make_root(root);
if (!sb->s_root)
goto out_iput;
goto out_umount;
mutex_unlock(&c->umount_mutex);
return 0;
out_iput:
iput(root);
out_umount:
ubifs_umount(c);
out_unlock:

3
fs/udf/super.c
View File

@ -2037,10 +2037,9 @@ static int udf_fill_super(struct super_block *sb, void *options, int silent)
}
/* Allocate a dentry for the root inode */
sb->s_root = d_alloc_root(inode);
sb->s_root = d_make_root(inode);
if (!sb->s_root) {
udf_err(sb, "Couldn't allocate root dentry\n");
iput(inode);
goto error_out;
}
sb->s_maxbytes = MAX_LFS_FILESIZE;

6
fs/ufs/super.c
View File

@ -1164,10 +1164,10 @@ magic_found:
ret = PTR_ERR(inode);
goto failed;
}
sb->s_root = d_alloc_root(inode);
sb->s_root = d_make_root(inode);
if (!sb->s_root) {
ret = -ENOMEM;
goto dalloc_failed;
goto failed;
}
ufs_setup_cstotal(sb);
@ -1181,8 +1181,6 @@ magic_found:
UFSD("EXIT\n");
return 0;
dalloc_failed:
iput(inode);
failed:
if (ubh)
ubh_brelse_uspi (uspi);

6
fs/xfs/xfs_super.c
View File

@ -1362,10 +1362,10 @@ xfs_fs_fill_super(
error = EINVAL;
goto out_syncd_stop;
}
sb->s_root = d_alloc_root(root);
sb->s_root = d_make_root(root);
if (!sb->s_root) {
error = ENOMEM;
goto out_iput;
goto out_syncd_stop;
}
return 0;
@ -1384,8 +1384,6 @@ xfs_fs_fill_super(
out:
return -error;
out_iput:
iput(root);
out_syncd_stop:
xfs_syncd_stop(mp);
out_unmount:

24
ipc/mqueue.c
View File

@ -188,30 +188,20 @@ static int mqueue_fill_super(struct super_block *sb, void *data, int silent)
{
struct inode *inode;
struct ipc_namespace *ns = data;
int error;
sb->s_blocksize = PAGE_CACHE_SIZE;
sb->s_blocksize_bits = PAGE_CACHE_SHIFT;
sb->s_magic = MQUEUE_MAGIC;
sb->s_op = &mqueue_super_ops;
inode = mqueue_get_inode(sb, ns, S_IFDIR | S_ISVTX | S_IRWXUGO,
NULL);
if (IS_ERR(inode)) {
error = PTR_ERR(inode);
goto out;
}
inode = mqueue_get_inode(sb, ns, S_IFDIR | S_ISVTX | S_IRWXUGO, NULL);
if (IS_ERR(inode))
return PTR_ERR(inode);
sb->s_root = d_alloc_root(inode);
if (!sb->s_root) {
iput(inode);
error = -ENOMEM;
goto out;
}
error = 0;
out:
return error;
sb->s_root = d_make_root(inode);
if (!sb->s_root)
return -ENOMEM;
return 0;
}
static struct dentry *mqueue_mount(struct file_system_type *fs_type,

8
kernel/cgroup.c
View File

@ -1472,7 +1472,6 @@ static int cgroup_get_rootdir(struct super_block *sb)
struct inode *inode =
cgroup_new_inode(S_IFDIR | S_IRUGO | S_IXUGO | S_IWUSR, sb);
struct dentry *dentry;
if (!inode)
return -ENOMEM;
@ -1481,12 +1480,9 @@ static int cgroup_get_rootdir(struct super_block *sb)
inode->i_op = &cgroup_dir_inode_operations;
/* directories start off with i_nlink == 2 (for "." entry) */
inc_nlink(inode);
dentry = d_alloc_root(inode);
if (!dentry) {
iput(inode);
sb->s_root = d_make_root(inode);
if (!sb->s_root)
return -ENOMEM;
}
sb->s_root = dentry;
/* for everything else we want ->d_op set */
sb->s_d_op = &cgroup_dops;
return 0;

6
mm/shmem.c
View File

@ -2232,14 +2232,12 @@ int shmem_fill_super(struct super_block *sb, void *data, int silent)
goto failed;
inode->i_uid = sbinfo->uid;
inode->i_gid = sbinfo->gid;
root = d_alloc_root(inode);
root = d_make_root(inode);
if (!root)
goto failed_iput;
goto failed;
sb->s_root = root;
return 0;
failed_iput:
iput(inode);
failed:
shmem_put_super(sb);
return err;

8
net/sunrpc/rpc_pipe.c
View File

@ -1033,13 +1033,9 @@ rpc_fill_super(struct super_block *sb, void *data, int silent)
sb->s_time_gran = 1;
inode = rpc_get_inode(sb, S_IFDIR | 0755);
if (!inode)
sb->s_root = root = d_make_root(inode);
if (!root)
return -ENOMEM;
sb->s_root = root = d_alloc_root(inode);
if (!root) {
iput(inode);
return -ENOMEM;
}
if (rpc_populate(root, files, RPCAUTH_lockd, RPCAUTH_RootEOF, NULL))
return -ENOMEM;
return 0;