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c28f7e56e9
inotify and dnotify both use a similar parent notification mechanism. We add a generic parent notification mechanism to fsnotify for both of these to use. This new machanism also adds the dentry flag optimization which exists for inotify to dnotify. Signed-off-by: Eric Paris <eparis@redhat.com> Acked-by: Al Viro <viro@zeniv.linux.org.uk> Cc: Christoph Hellwig <hch@lst.de>
25 lines
929 B
C
25 lines
929 B
C
#ifndef __FS_NOTIFY_FSNOTIFY_H_
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#define __FS_NOTIFY_FSNOTIFY_H_
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#include <linux/list.h>
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#include <linux/fsnotify.h>
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#include <linux/srcu.h>
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#include <linux/types.h>
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/* protects reads of fsnotify_groups */
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extern struct srcu_struct fsnotify_grp_srcu;
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/* all groups which receive fsnotify events */
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extern struct list_head fsnotify_groups;
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/* all bitwise OR of all event types (FS_*) for all fsnotify_groups */
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extern __u32 fsnotify_mask;
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/* final kfree of a group */
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extern void fsnotify_final_destroy_group(struct fsnotify_group *group);
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/* run the list of all marks associated with inode and flag them to be freed */
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extern void fsnotify_clear_marks_by_inode(struct inode *inode);
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/*
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* update the dentry->d_flags of all of inode's children to indicate if inode cares
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* about events that happen to its children.
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*/
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extern void __fsnotify_update_child_dentry_flags(struct inode *inode);
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#endif /* __FS_NOTIFY_FSNOTIFY_H_ */
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