vfs_unlink (9) - Linux Manuals
vfs_unlink: unlink a filesystem object
NAME
vfs_unlink - unlink a filesystem object
SYNOPSIS
-
int vfs_unlink(struct inode
* dir, struct dentry* dentry, struct inode** delegated_inode);
ARGUMENTS
dir
-
- parent directory
dentry
- victim
delegated_inode
- returns victim inode, if the inode is delegated.
DESCRIPTION
The caller must hold dir->i_mutex.
If vfs_unlink discovers a delegation, it will return -EWOULDBLOCK and return a reference to the inode in delegated_inode. The caller should then break the delegation on that inode and retry. Because breaking a delegation may take a long time, the caller should drop dir->i_mutex before doing so.
Alternatively, a caller may pass NULL for delegated_inode. This may be appropriate for callers that expect the underlying filesystem not to be NFS exported.
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