vfs: switch ->show_options() to struct dentry *

Signed-off-by: Al Viro <[email protected]>
rtvt123 · Jan 7, 2012 · 34c80b1 · 34c80b1
1 parent a6322de
commit 34c80b1
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Showing 39 changed files with 90 additions and 91 deletions.
diff --git a/Documentation/filesystems/Locking b/Documentation/filesystems/Locking
@@ -117,7 +117,7 @@ prototypes:
 	int (*statfs) (struct dentry *, struct kstatfs *);
 	int (*remount_fs) (struct super_block *, int *, char *);
 	void (*umount_begin) (struct super_block *);
-	int (*show_options)(struct seq_file *, struct vfsmount *);
+	int (*show_options)(struct seq_file *, struct dentry *);
 	ssize_t (*quota_read)(struct super_block *, int, char *, size_t, loff_t);
 	ssize_t (*quota_write)(struct super_block *, int, const char *, size_t, loff_t);
 	int (*bdev_try_to_free_page)(struct super_block*, struct page*, gfp_t);

diff --git a/Documentation/filesystems/vfs.txt b/Documentation/filesystems/vfs.txt
@@ -225,7 +225,7 @@ struct super_operations {
         void (*clear_inode) (struct inode *);
         void (*umount_begin) (struct super_block *);
 
-        int (*show_options)(struct seq_file *, struct vfsmount *);
+        int (*show_options)(struct seq_file *, struct dentry *);
 
         ssize_t (*quota_read)(struct super_block *, int, char *, size_t, loff_t);
         ssize_t (*quota_write)(struct super_block *, int, const char *, size_t, loff_t);

diff --git a/arch/s390/hypfs/inode.c b/arch/s390/hypfs/inode.c
@@ -259,9 +259,9 @@ static int hypfs_parse_options(char *options, struct super_block *sb)
 	return 0;
 }
 
-static int hypfs_show_options(struct seq_file *s, struct vfsmount *mnt)
+static int hypfs_show_options(struct seq_file *s, struct dentry *root)
 {
-	struct hypfs_sb_info *hypfs_info = mnt->mnt_sb->s_fs_info;
+	struct hypfs_sb_info *hypfs_info = root->d_sb->s_fs_info;
 
 	seq_printf(s, ",uid=%u", hypfs_info->uid);
 	seq_printf(s, ",gid=%u", hypfs_info->gid);

diff --git a/drivers/staging/pohmelfs/inode.c b/drivers/staging/pohmelfs/inode.c
@@ -1369,9 +1369,9 @@ static int pohmelfs_statfs(struct dentry *dentry, struct kstatfs *buf)
 	return 0;
 }
 
-static int pohmelfs_show_options(struct seq_file *seq, struct vfsmount *vfs)
+static int pohmelfs_show_options(struct seq_file *seq, struct dentry *root)
 {
-	struct pohmelfs_sb *psb = POHMELFS_SB(vfs->mnt_sb);
+	struct pohmelfs_sb *psb = POHMELFS_SB(root->d_sb);
 
 	seq_printf(seq, ",idx=%u", psb->idx);
 	seq_printf(seq, ",trans_scan_timeout=%u", jiffies_to_msecs(psb->trans_scan_timeout));

diff --git a/drivers/usb/core/inode.c b/drivers/usb/core/inode.c
@@ -65,7 +65,7 @@ static umode_t devmode = USBFS_DEFAULT_DEVMODE;
 static umode_t busmode = USBFS_DEFAULT_BUSMODE;
 static umode_t listmode = USBFS_DEFAULT_LISTMODE;
 
-static int usbfs_show_options(struct seq_file *seq, struct vfsmount *mnt)
+static int usbfs_show_options(struct seq_file *seq, struct dentry *root)
 {
 	if (devuid != 0)
 		seq_printf(seq, ",devuid=%u", devuid);

diff --git a/fs/adfs/super.c b/fs/adfs/super.c
@@ -126,9 +126,9 @@ static void adfs_put_super(struct super_block *sb)
 	sb->s_fs_info = NULL;
 }
 
-static int adfs_show_options(struct seq_file *seq, struct vfsmount *mnt)
+static int adfs_show_options(struct seq_file *seq, struct dentry *root)
 {
-	struct adfs_sb_info *asb = ADFS_SB(mnt->mnt_sb);
+	struct adfs_sb_info *asb = ADFS_SB(root->d_sb);
 
 	if (asb->s_uid != 0)
 		seq_printf(seq, ",uid=%u", asb->s_uid);

diff --git a/fs/autofs4/inode.c b/fs/autofs4/inode.c
@@ -70,10 +70,10 @@ void autofs4_kill_sb(struct super_block *sb)
 	kill_litter_super(sb);
 }
 
-static int autofs4_show_options(struct seq_file *m, struct vfsmount *mnt)
+static int autofs4_show_options(struct seq_file *m, struct dentry *root)
 {
-	struct autofs_sb_info *sbi = autofs4_sbi(mnt->mnt_sb);
-	struct inode *root_inode = mnt->mnt_sb->s_root->d_inode;
+	struct autofs_sb_info *sbi = autofs4_sbi(root->d_sb);
+	struct inode *root_inode = root->d_sb->s_root->d_inode;
 
 	if (!sbi)
 		return 0;

diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c
@@ -661,9 +661,9 @@ int btrfs_sync_fs(struct super_block *sb, int wait)
 	return ret;
 }
 
-static int btrfs_show_options(struct seq_file *seq, struct vfsmount *vfs)
+static int btrfs_show_options(struct seq_file *seq, struct dentry *dentry)
 {
-	struct btrfs_root *root = btrfs_sb(vfs->mnt_sb);
+	struct btrfs_root *root = btrfs_sb(dentry->d_sb);
 	struct btrfs_fs_info *info = root->fs_info;
 	char *compress_type;
 

diff --git a/fs/ceph/super.c b/fs/ceph/super.c
@@ -341,11 +341,11 @@ static int parse_mount_options(struct ceph_mount_options **pfsopt,
 /**
  * ceph_show_options - Show mount options in /proc/mounts
  * @m: seq_file to write to
- * @mnt: mount descriptor
+ * @root: root of that (sub)tree
  */
-static int ceph_show_options(struct seq_file *m, struct vfsmount *mnt)
+static int ceph_show_options(struct seq_file *m, struct dentry *root)
 {
-	struct ceph_fs_client *fsc = ceph_sb_to_client(mnt->mnt_sb);
+	struct ceph_fs_client *fsc = ceph_sb_to_client(root->d_sb);
 	struct ceph_mount_options *fsopt = fsc->mount_options;
 	struct ceph_options *opt = fsc->client->options;
 

diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c
@@ -343,9 +343,9 @@ cifs_show_security(struct seq_file *s, struct TCP_Server_Info *server)
  * ones are.
  */
 static int
-cifs_show_options(struct seq_file *s, struct vfsmount *m)
+cifs_show_options(struct seq_file *s, struct dentry *root)
 {
-	struct cifs_sb_info *cifs_sb = CIFS_SB(m->mnt_sb);
+	struct cifs_sb_info *cifs_sb = CIFS_SB(root->d_sb);
 	struct cifs_tcon *tcon = cifs_sb_master_tcon(cifs_sb);
 	struct sockaddr *srcaddr;
 	srcaddr = (struct sockaddr *)&tcon->ses->server->srcaddr;
@@ -430,7 +430,7 @@ cifs_show_options(struct seq_file *s, struct vfsmount *m)
 		seq_printf(s, ",cifsacl");
 	if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_DYNPERM)
 		seq_printf(s, ",dynperm");
-	if (m->mnt_sb->s_flags & MS_POSIXACL)
+	if (root->d_sb->s_flags & MS_POSIXACL)
 		seq_printf(s, ",acl");
 	if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MF_SYMLINKS)
 		seq_printf(s, ",mfsymlinks");

diff --git a/fs/devpts/inode.c b/fs/devpts/inode.c
@@ -246,9 +246,9 @@ static int devpts_remount(struct super_block *sb, int *flags, char *data)
 	return err;
 }
 
-static int devpts_show_options(struct seq_file *seq, struct vfsmount *vfs)
+static int devpts_show_options(struct seq_file *seq, struct dentry *root)
 {
-	struct pts_fs_info *fsi = DEVPTS_SB(vfs->mnt_sb);
+	struct pts_fs_info *fsi = DEVPTS_SB(root->d_sb);
 	struct pts_mount_opts *opts = &fsi->mount_opts;
 
 	if (opts->setuid)

diff --git a/fs/ecryptfs/super.c b/fs/ecryptfs/super.c
@@ -131,9 +131,9 @@ static void ecryptfs_evict_inode(struct inode *inode)
  * Prints the mount options for a given superblock.
  * Returns zero; does not fail.
  */
-static int ecryptfs_show_options(struct seq_file *m, struct vfsmount *mnt)
+static int ecryptfs_show_options(struct seq_file *m, struct dentry *root)
 {
-	struct super_block *sb = mnt->mnt_sb;
+	struct super_block *sb = root->d_sb;
 	struct ecryptfs_mount_crypt_stat *mount_crypt_stat =
 		&ecryptfs_superblock_to_private(sb)->mount_crypt_stat;
 	struct ecryptfs_global_auth_tok *walker;

diff --git a/fs/ext2/super.c b/fs/ext2/super.c
@@ -210,9 +210,9 @@ static void destroy_inodecache(void)
 	kmem_cache_destroy(ext2_inode_cachep);
 }
 
-static int ext2_show_options(struct seq_file *seq, struct vfsmount *vfs)
+static int ext2_show_options(struct seq_file *seq, struct dentry *root)
 {
-	struct super_block *sb = vfs->mnt_sb;
+	struct super_block *sb = root->d_sb;
 	struct ext2_sb_info *sbi = EXT2_SB(sb);
 	struct ext2_super_block *es = sbi->s_es;
 	unsigned long def_mount_opts;

diff --git a/fs/ext3/super.c b/fs/ext3/super.c
@@ -610,9 +610,9 @@ static char *data_mode_string(unsigned long mode)
  *  - it's set to a non-default value OR
  *  - if the per-sb default is different from the global default
  */
-static int ext3_show_options(struct seq_file *seq, struct vfsmount *vfs)
+static int ext3_show_options(struct seq_file *seq, struct dentry *root)
 {
-	struct super_block *sb = vfs->mnt_sb;
+	struct super_block *sb = root->d_sb;
 	struct ext3_sb_info *sbi = EXT3_SB(sb);
 	struct ext3_super_block *es = sbi->s_es;
 	unsigned long def_mount_opts;

diff --git a/fs/ext4/super.c b/fs/ext4/super.c
@@ -1032,11 +1032,11 @@ static inline void ext4_show_quota_options(struct seq_file *seq,
  *  - it's set to a non-default value OR
  *  - if the per-sb default is different from the global default
  */
-static int ext4_show_options(struct seq_file *seq, struct vfsmount *vfs)
+static int ext4_show_options(struct seq_file *seq, struct dentry *root)
 {
 	int def_errors;
 	unsigned long def_mount_opts;
-	struct super_block *sb = vfs->mnt_sb;
+	struct super_block *sb = root->d_sb;
 	struct ext4_sb_info *sbi = EXT4_SB(sb);
 	struct ext4_super_block *es = sbi->s_es;
 

diff --git a/fs/fat/inode.c b/fs/fat/inode.c
@@ -671,7 +671,7 @@ int fat_sync_inode(struct inode *inode)
 
 EXPORT_SYMBOL_GPL(fat_sync_inode);
 
-static int fat_show_options(struct seq_file *m, struct vfsmount *mnt);
+static int fat_show_options(struct seq_file *m, struct dentry *root);
 static const struct super_operations fat_sops = {
 	.alloc_inode	= fat_alloc_inode,
 	.destroy_inode	= fat_destroy_inode,
@@ -810,9 +810,9 @@ static const struct export_operations fat_export_ops = {
 	.get_parent	= fat_get_parent,
 };
 
-static int fat_show_options(struct seq_file *m, struct vfsmount *mnt)
+static int fat_show_options(struct seq_file *m, struct dentry *root)
 {
-	struct msdos_sb_info *sbi = MSDOS_SB(mnt->mnt_sb);
+	struct msdos_sb_info *sbi = MSDOS_SB(root->d_sb);
 	struct fat_mount_options *opts = &sbi->options;
 	int isvfat = opts->isvfat;
 

diff --git a/fs/fuse/inode.c b/fs/fuse/inode.c
@@ -497,9 +497,10 @@ static int parse_fuse_opt(char *opt, struct fuse_mount_data *d, int is_bdev)
 	return 1;
 }
 
-static int fuse_show_options(struct seq_file *m, struct vfsmount *mnt)
+static int fuse_show_options(struct seq_file *m, struct dentry *root)
 {
-	struct fuse_conn *fc = get_fuse_conn_super(mnt->mnt_sb);
+	struct super_block *sb = root->d_sb;
+	struct fuse_conn *fc = get_fuse_conn_super(sb);
 
 	seq_printf(m, ",user_id=%u", fc->user_id);
 	seq_printf(m, ",group_id=%u", fc->group_id);
@@ -509,9 +510,8 @@ static int fuse_show_options(struct seq_file *m, struct vfsmount *mnt)
 		seq_puts(m, ",allow_other");
 	if (fc->max_read != ~0)
 		seq_printf(m, ",max_read=%u", fc->max_read);
-	if (mnt->mnt_sb->s_bdev &&
-	    mnt->mnt_sb->s_blocksize != FUSE_DEFAULT_BLKSIZE)
-		seq_printf(m, ",blksize=%lu", mnt->mnt_sb->s_blocksize);
+	if (sb->s_bdev && sb->s_blocksize != FUSE_DEFAULT_BLKSIZE)
+		seq_printf(m, ",blksize=%lu", sb->s_blocksize);
 	return 0;
 }
 

diff --git a/fs/gfs2/super.c b/fs/gfs2/super.c
@@ -1284,18 +1284,18 @@ static int is_ancestor(const struct dentry *d1, const struct dentry *d2)
 /**
  * gfs2_show_options - Show mount options for /proc/mounts
  * @s: seq_file structure
- * @mnt: vfsmount
+ * @root: root of this (sub)tree
  *
  * Returns: 0 on success or error code
  */
 
-static int gfs2_show_options(struct seq_file *s, struct vfsmount *mnt)
+static int gfs2_show_options(struct seq_file *s, struct dentry *root)
 {
-	struct gfs2_sbd *sdp = mnt->mnt_sb->s_fs_info;
+	struct gfs2_sbd *sdp = root->d_sb->s_fs_info;
 	struct gfs2_args *args = &sdp->sd_args;
 	int val;
 
-	if (is_ancestor(mnt->mnt_root, sdp->sd_master_dir))
+	if (is_ancestor(root, sdp->sd_master_dir))
 		seq_printf(s, ",meta");
 	if (args->ar_lockproto[0])
 		seq_printf(s, ",lockproto=%s", args->ar_lockproto);

diff --git a/fs/hfs/super.c b/fs/hfs/super.c
@@ -133,9 +133,9 @@ static int hfs_remount(struct super_block *sb, int *flags, char *data)
 	return 0;
 }
 
-static int hfs_show_options(struct seq_file *seq, struct vfsmount *mnt)
+static int hfs_show_options(struct seq_file *seq, struct dentry *root)
 {
-	struct hfs_sb_info *sbi = HFS_SB(mnt->mnt_sb);
+	struct hfs_sb_info *sbi = HFS_SB(root->d_sb);
 
 	if (sbi->s_creator != cpu_to_be32(0x3f3f3f3f))
 		seq_printf(seq, ",creator=%.4s", (char *)&sbi->s_creator);

diff --git a/fs/hfsplus/hfsplus_fs.h b/fs/hfsplus/hfsplus_fs.h
@@ -419,7 +419,7 @@ ssize_t hfsplus_listxattr(struct dentry *dentry, char *buffer, size_t size);
 int hfsplus_parse_options(char *, struct hfsplus_sb_info *);
 int hfsplus_parse_options_remount(char *input, int *force);
 void hfsplus_fill_defaults(struct hfsplus_sb_info *);
-int hfsplus_show_options(struct seq_file *, struct vfsmount *);
+int hfsplus_show_options(struct seq_file *, struct dentry *);
 
 /* super.c */
 struct inode *hfsplus_iget(struct super_block *, unsigned long);

diff --git a/fs/hfsplus/options.c b/fs/hfsplus/options.c
@@ -206,9 +206,9 @@ int hfsplus_parse_options(char *input, struct hfsplus_sb_info *sbi)
 	return 1;
 }
 
-int hfsplus_show_options(struct seq_file *seq, struct vfsmount *mnt)
+int hfsplus_show_options(struct seq_file *seq, struct dentry *root)
 {
-	struct hfsplus_sb_info *sbi = HFSPLUS_SB(mnt->mnt_sb);
+	struct hfsplus_sb_info *sbi = HFSPLUS_SB(root->d_sb);
 
 	if (sbi->creator != HFSPLUS_DEF_CR_TYPE)
 		seq_printf(seq, ",creator=%.4s", (char *)&sbi->creator);

diff --git a/fs/hostfs/hostfs_kern.c b/fs/hostfs/hostfs_kern.c
@@ -258,9 +258,9 @@ static void hostfs_destroy_inode(struct inode *inode)
 	call_rcu(&inode->i_rcu, hostfs_i_callback);
 }
 
-static int hostfs_show_options(struct seq_file *seq, struct vfsmount *vfs)
+static int hostfs_show_options(struct seq_file *seq, struct dentry *root)
 {
-	const char *root_path = vfs->mnt_sb->s_fs_info;
+	const char *root_path = root->d_sb->s_fs_info;
 	size_t offset = strlen(root_ino) + 1;
 
 	if (strlen(root_path) > offset)

diff --git a/fs/jffs2/super.c b/fs/jffs2/super.c
@@ -96,9 +96,9 @@ static const char *jffs2_compr_name(unsigned int compr)
 	}
 }
 
-static int jffs2_show_options(struct seq_file *s, struct vfsmount *mnt)
+static int jffs2_show_options(struct seq_file *s, struct dentry *root)
 {
-	struct jffs2_sb_info *c = JFFS2_SB_INFO(mnt->mnt_sb);
+	struct jffs2_sb_info *c = JFFS2_SB_INFO(root->d_sb);
 	struct jffs2_mount_opts *opts = &c->mount_opts;
 
 	if (opts->override_compr)

diff --git a/fs/jfs/super.c b/fs/jfs/super.c
@@ -608,9 +608,9 @@ static int jfs_sync_fs(struct super_block *sb, int wait)
 	return 0;
 }
 
-static int jfs_show_options(struct seq_file *seq, struct vfsmount *vfs)
+static int jfs_show_options(struct seq_file *seq, struct dentry *root)
 {
-	struct jfs_sb_info *sbi = JFS_SBI(vfs->mnt_sb);
+	struct jfs_sb_info *sbi = JFS_SBI(root->d_sb);
 
 	if (sbi->uid != -1)
 		seq_printf(seq, ",uid=%d", sbi->uid);

diff --git a/fs/namespace.c b/fs/namespace.c
@@ -836,12 +836,12 @@ static inline void mangle(struct seq_file *m, const char *s)
  *
  * See also save_mount_options().
  */
-int generic_show_options(struct seq_file *m, struct vfsmount *mnt)
+int generic_show_options(struct seq_file *m, struct dentry *root)
 {
 	const char *options;
 
 	rcu_read_lock();
-	options = rcu_dereference(mnt->mnt_sb->s_options);
+	options = rcu_dereference(root->d_sb->s_options);
 
 	if (options != NULL && options[0]) {
 		seq_putc(m, ',');

diff --git a/fs/ncpfs/inode.c b/fs/ncpfs/inode.c
@@ -44,7 +44,7 @@
 static void ncp_evict_inode(struct inode *);
 static void ncp_put_super(struct super_block *);
 static int  ncp_statfs(struct dentry *, struct kstatfs *);
-static int  ncp_show_options(struct seq_file *, struct vfsmount *);
+static int  ncp_show_options(struct seq_file *, struct dentry *);
 
 static struct kmem_cache * ncp_inode_cachep;
 
@@ -322,9 +322,9 @@ static void ncp_stop_tasks(struct ncp_server *server) {
 		flush_work_sync(&server->timeout_tq);
 }
 
-static int  ncp_show_options(struct seq_file *seq, struct vfsmount *mnt)
+static int  ncp_show_options(struct seq_file *seq, struct dentry *root)
 {
-	struct ncp_server *server = NCP_SBP(mnt->mnt_sb);
+	struct ncp_server *server = NCP_SBP(root->d_sb);
 	unsigned int tmp;
 
 	if (server->m.uid != 0)

diff --git a/fs/nfs/super.c b/fs/nfs/super.c
@@ -262,7 +262,7 @@ static match_table_t nfs_local_lock_tokens = {
 
 static void nfs_umount_begin(struct super_block *);
 static int  nfs_statfs(struct dentry *, struct kstatfs *);
-static int  nfs_show_options(struct seq_file *, struct vfsmount *);
+static int  nfs_show_options(struct seq_file *, struct dentry *);
 static int  nfs_show_devname(struct seq_file *, struct dentry *);
 static int  nfs_show_path(struct seq_file *, struct dentry *);
 static int  nfs_show_stats(struct seq_file *, struct dentry *);
@@ -720,9 +720,9 @@ static void nfs_show_mount_options(struct seq_file *m, struct nfs_server *nfss,
 /*
  * Describe the mount options on this VFS mountpoint
  */
-static int nfs_show_options(struct seq_file *m, struct vfsmount *mnt)
+static int nfs_show_options(struct seq_file *m, struct dentry *root)
 {
-	struct nfs_server *nfss = NFS_SB(mnt->mnt_sb);
+	struct nfs_server *nfss = NFS_SB(root->d_sb);
 
 	nfs_show_mount_options(m, nfss, 0);
 

diff --git a/fs/nilfs2/super.c b/fs/nilfs2/super.c
@@ -648,11 +648,11 @@ static int nilfs_statfs(struct dentry *dentry, struct kstatfs *buf)
 	return 0;
 }
 
-static int nilfs_show_options(struct seq_file *seq, struct vfsmount *vfs)
+static int nilfs_show_options(struct seq_file *seq, struct dentry *dentry)
 {
-	struct super_block *sb = vfs->mnt_sb;
+	struct super_block *sb = dentry->d_sb;
 	struct the_nilfs *nilfs = sb->s_fs_info;
-	struct nilfs_root *root = NILFS_I(vfs->mnt_root->d_inode)->i_root;
+	struct nilfs_root *root = NILFS_I(dentry->d_inode)->i_root;
 
 	if (!nilfs_test_opt(nilfs, BARRIER))
 		seq_puts(seq, ",nobarrier");