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a376007917
Add create_file() and create_dir() functions to create the files and directories respectively when they are accessed. The functions will be called from the lookup operation of the inode_operations or from the open function of file_operations. Link: https://lkml.kernel.org/r/1690568452-46553-8-git-send-email-akaher@vmware.com Signed-off-by: Ajay Kaher <akaher@vmware.com> Co-developed-by: Steven Rostedt (VMware) <rostedt@goodmis.org> Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org> Tested-by: Ching-lin Yu <chinglinyu@google.com> Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
29 lines
967 B
C
29 lines
967 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef _TRACEFS_INTERNAL_H
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#define _TRACEFS_INTERNAL_H
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enum {
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TRACEFS_EVENT_INODE = BIT(1),
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};
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struct tracefs_inode {
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unsigned long flags;
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void *private;
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struct inode vfs_inode;
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};
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static inline struct tracefs_inode *get_tracefs(const struct inode *inode)
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{
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return container_of(inode, struct tracefs_inode, vfs_inode);
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}
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struct dentry *tracefs_start_creating(const char *name, struct dentry *parent);
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struct dentry *tracefs_end_creating(struct dentry *dentry);
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struct dentry *tracefs_failed_creating(struct dentry *dentry);
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struct inode *tracefs_get_inode(struct super_block *sb);
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struct dentry *eventfs_start_creating(const char *name, struct dentry *parent);
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struct dentry *eventfs_failed_creating(struct dentry *dentry);
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struct dentry *eventfs_end_creating(struct dentry *dentry);
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void eventfs_set_ef_status_free(struct dentry *dentry);
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#endif /* _TRACEFS_INTERNAL_H */
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