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authorAl Viro <viro@zeniv.linux.org.uk>2012-02-13 07:08:01 +0400
committerAl Viro <viro@zeniv.linux.org.uk>2012-03-21 05:29:37 +0400
commit318ceed088497d1ca839b1172518ac4cc7096b82 (patch)
tree7dfd07bfb5e8c5d5dbb0ba4ea523f334c98c66bb
parentca85c07809ca19de3391cb79ee1198f3dd91fa8d (diff)
downloadlinux-318ceed088497d1ca839b1172518ac4cc7096b82.tar.xz
tidy up after d_make_root() conversion
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
-rw-r--r--drivers/misc/ibmasm/ibmasmfs.c14
-rw-r--r--drivers/oprofile/oprofilefs.c9
-rw-r--r--drivers/usb/core/inode.c6
-rw-r--r--fs/pstore/inode.c24
-rw-r--r--fs/ramfs/inode.c20
-rw-r--r--mm/shmem.c6
6 files changed, 26 insertions, 53 deletions
diff --git a/drivers/misc/ibmasm/ibmasmfs.c b/drivers/misc/ibmasm/ibmasmfs.c
index 15f24f362208..1c034b80d408 100644
--- a/drivers/misc/ibmasm/ibmasmfs.c
+++ b/drivers/misc/ibmasm/ibmasmfs.c
@@ -87,7 +87,7 @@
static LIST_HEAD(service_processors);
static struct inode *ibmasmfs_make_inode(struct super_block *sb, int mode);
-static void ibmasmfs_create_files (struct super_block *sb, struct dentry *root);
+static void ibmasmfs_create_files (struct super_block *sb);
static int ibmasmfs_fill_super (struct super_block *sb, void *data, int silent);
@@ -114,7 +114,6 @@ static struct file_system_type ibmasmfs_type = {
static int ibmasmfs_fill_super (struct super_block *sb, void *data, int silent)
{
struct inode *root;
- struct dentry *root_dentry;
sb->s_blocksize = PAGE_CACHE_SIZE;
sb->s_blocksize_bits = PAGE_CACHE_SHIFT;
@@ -129,12 +128,11 @@ 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_make_root(root);
- if (!root_dentry)
+ sb->s_root = d_make_root(root);
+ if (!sb->s_root)
return -ENOMEM;
- sb->s_root = root_dentry;
- ibmasmfs_create_files(sb, root_dentry);
+ ibmasmfs_create_files(sb);
return 0;
}
@@ -610,7 +608,7 @@ static const struct file_operations remote_settings_fops = {
};
-static void ibmasmfs_create_files (struct super_block *sb, struct dentry *root)
+static void ibmasmfs_create_files (struct super_block *sb)
{
struct list_head *entry;
struct service_processor *sp;
@@ -619,7 +617,7 @@ static void ibmasmfs_create_files (struct super_block *sb, struct dentry *root)
struct dentry *dir;
struct dentry *remote_dir;
sp = list_entry(entry, struct service_processor, node);
- dir = ibmasmfs_create_dir(sb, root, sp->dirname);
+ dir = ibmasmfs_create_dir(sb, sb->s_root, sp->dirname);
if (!dir)
continue;
diff --git a/drivers/oprofile/oprofilefs.c b/drivers/oprofile/oprofilefs.c
index 277bb70b8d75..ee8fd037bb53 100644
--- a/drivers/oprofile/oprofilefs.c
+++ b/drivers/oprofile/oprofilefs.c
@@ -238,7 +238,6 @@ struct dentry *oprofilefs_mkdir(struct super_block *sb,
static int oprofilefs_fill_super(struct super_block *sb, void *data, int silent)
{
struct inode *root_inode;
- struct dentry *root_dentry;
sb->s_blocksize = PAGE_CACHE_SIZE;
sb->s_blocksize_bits = PAGE_CACHE_SHIFT;
@@ -251,13 +250,11 @@ 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_make_root(root_inode);
- if (!root_dentry)
+ sb->s_root = d_make_root(root_inode);
+ if (!sb->s_root)
return -ENOMEM;
- sb->s_root = root_dentry;
-
- oprofile_create_files(sb, root_dentry);
+ oprofile_create_files(sb, sb->s_root);
// FIXME: verify kill_litter_super removes our dentries
return 0;
diff --git a/drivers/usb/core/inode.c b/drivers/usb/core/inode.c
index bdaef8e36020..06c175aee6a3 100644
--- a/drivers/usb/core/inode.c
+++ b/drivers/usb/core/inode.c
@@ -454,7 +454,6 @@ static const struct super_operations usbfs_ops = {
static int usbfs_fill_super(struct super_block *sb, void *data, int silent)
{
struct inode *inode;
- struct dentry *root;
sb->s_blocksize = PAGE_CACHE_SIZE;
sb->s_blocksize_bits = PAGE_CACHE_SHIFT;
@@ -462,12 +461,11 @@ 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);
- root = d_make_root(inode);
- if (!root) {
+ sb->s_root = d_make_root(inode);
+ if (!sb->s_root) {
dbg("%s: could not get root dentry!",__func__);
return -ENOMEM;
}
- sb->s_root = root;
return 0;
}
diff --git a/fs/pstore/inode.c b/fs/pstore/inode.c
index ec7d1fb6f35a..f37c32b94525 100644
--- a/fs/pstore/inode.c
+++ b/fs/pstore/inode.c
@@ -278,9 +278,7 @@ fail:
int pstore_fill_super(struct super_block *sb, void *data, int silent)
{
- struct inode *inode = NULL;
- struct dentry *root;
- int err;
+ struct inode *inode;
save_mount_options(sb, data);
@@ -296,25 +294,17 @@ int pstore_fill_super(struct super_block *sb, void *data, int silent)
parse_options(data);
inode = pstore_get_inode(sb, NULL, S_IFDIR | 0755, 0);
- if (!inode) {
- err = -ENOMEM;
- goto fail;
- }
- /* override ramfs "dir" options so we catch unlink(2) */
- inode->i_op = &pstore_dir_inode_operations;
-
- root = d_make_root(inode);
- sb->s_root = root;
- if (!root) {
- err = -ENOMEM;
- goto fail;
+ if (inode) {
+ /* override ramfs "dir" options so we catch unlink(2) */
+ inode->i_op = &pstore_dir_inode_operations;
}
+ sb->s_root = d_make_root(inode);
+ if (!sb->s_root)
+ return -ENOMEM;
pstore_get_records(0);
return 0;
-fail:
- return err;
}
static struct dentry *pstore_mount(struct file_system_type *fs_type,
diff --git a/fs/ramfs/inode.c b/fs/ramfs/inode.c
index b6612d2ed718..a1fdabe21dec 100644
--- a/fs/ramfs/inode.c
+++ b/fs/ramfs/inode.c
@@ -209,21 +209,19 @@ static int ramfs_parse_options(char *data, struct ramfs_mount_opts *opts)
int ramfs_fill_super(struct super_block *sb, void *data, int silent)
{
struct ramfs_fs_info *fsi;
- struct inode *inode = NULL;
+ struct inode *inode;
int err;
save_mount_options(sb, data);
fsi = kzalloc(sizeof(struct ramfs_fs_info), GFP_KERNEL);
sb->s_fs_info = fsi;
- if (!fsi) {
- err = -ENOMEM;
- goto fail;
- }
+ if (!fsi)
+ return -ENOMEM;
err = ramfs_parse_options(data, &fsi->mount_opts);
if (err)
- goto fail;
+ return err;
sb->s_maxbytes = MAX_LFS_FILESIZE;
sb->s_blocksize = PAGE_CACHE_SIZE;
@@ -234,16 +232,10 @@ int ramfs_fill_super(struct super_block *sb, void *data, int silent)
inode = ramfs_get_inode(sb, NULL, S_IFDIR | fsi->mount_opts.mode, 0);
sb->s_root = d_make_root(inode);
- if (!sb->s_root) {
- err = -ENOMEM;
- goto fail;
- }
+ if (!sb->s_root)
+ return -ENOMEM;
return 0;
-fail:
- kfree(fsi);
- sb->s_fs_info = NULL;
- return err;
}
struct dentry *ramfs_mount(struct file_system_type *fs_type,
diff --git a/mm/shmem.c b/mm/shmem.c
index 154243f0a27c..9bc4a2353944 100644
--- a/mm/shmem.c
+++ b/mm/shmem.c
@@ -2175,7 +2175,6 @@ static void shmem_put_super(struct super_block *sb)
int shmem_fill_super(struct super_block *sb, void *data, int silent)
{
struct inode *inode;
- struct dentry *root;
struct shmem_sb_info *sbinfo;
int err = -ENOMEM;
@@ -2232,10 +2231,9 @@ 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_make_root(inode);
- if (!root)
+ sb->s_root = d_make_root(inode);
+ if (!sb->s_root)
goto failed;
- sb->s_root = root;
return 0;
failed: