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take_dentry_name_snapshot() takes a safe snapshot of dentry name; if the name is a short one, it gets copied into caller-supplied structure, otherwise an extra reference to external name is grabbed (those are never modified). In either case the pointer to stable string is stored into the same structure. dentry must be held by the caller of take_dentry_name_snapshot(), but may be freely dropped afterwards - the snapshot will stay until destroyed by release_dentry_name_snapshot(). Intended use: struct name_snapshot s; take_dentry_name_snapshot(&s, dentry); ... access s.name ... release_dentry_name_snapshot(&s); Replaces fsnotify_oldname_...(), gets used in fsnotify to obtain the name to pass down with event. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> |
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| .. | ||
| dnotify | ||
| fanotify | ||
| inotify | ||
| fdinfo.c | ||
| fdinfo.h | ||
| fsnotify.c | ||
| fsnotify.h | ||
| group.c | ||
| Kconfig | ||
| Makefile | ||
| mark.c | ||
| notification.c | ||