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6b5b72ac2c
Pull vfs directory delegations from Christian Brauner: "This contains the VFS prerequisites for supporting directory delegations in nfsd via CB_NOTIFY callbacks. The filelock core gains support for ignoring delegation breaks for directory change events together with an inode_lease_ignore_mask() helper, and fsnotify gains fsnotify_modify_mark_mask() and a FSNOTIFY_EVENT_RENAME data type. With this in place nfsd can request delegations on directories and set up inotify watches to trigger sending CB_NOTIFY events to clients instead of having every directory change break the delegation. New tracepoints are added to fsnotify() and to the start of break_lease(), and trace_break_lease_block() is passed the currently blocking lease instead of the new one. A follow-up fix moves the LEASE_BREAK_* flags out of #ifdef CONFIG_FILE_LOCKING to fix the build for CONFIG_FILE_LOCKING=n configurations" * tag 'vfs-7.2-rc1.directory.delegations' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs: filelock: move LEASE_BREAK_* flags out of #ifdef CONFIG_FILE_LOCKING fsnotify: add FSNOTIFY_EVENT_RENAME data type fsnotify: add fsnotify_modify_mark_mask() fsnotify: new tracepoint in fsnotify() filelock: add an inode_lease_ignore_mask helper filelock: add a tracepoint to start of break_lease() filelock: add support for ignoring deleg breaks for dir change events filelock: pass current blocking lease to trace_break_lease_block() rather than "new_fl"