diff options
Diffstat (limited to 'man2')
| -rw-r--r-- | man2/fanotify_init.2 | 35 |
1 files changed, 33 insertions, 2 deletions
diff --git a/man2/fanotify_init.2 b/man2/fanotify_init.2 index 54646e3c68..6167a1c377 100644 --- a/man2/fanotify_init.2 +++ b/man2/fanotify_init.2 @@ -1,4 +1,4 @@ -.\" Copyright (C) 2013, Heinrich Schuchardt <xypron.glpk@gmx.de> +\" Copyright (C) 2013, Heinrich Schuchardt <xypron.glpk@gmx.de> .\" .\" %%%LICENSE_START(VERBATIM) .\" Permission is granted to make and distribute verbatim copies of this @@ -191,7 +191,38 @@ is not permitted with this flag and will result in the error .BR EINVAL . See .BR fanotify (7) -for additional information. +for additional details. +.TP +.BR FAN_REPORT_DIR_FID " (since Linux 5.9)" +Events for fanotify groups initialized with this flag will contain +(see exceptions below) additional information about a directory object +correlated to an event. +An additional record of type +.BR FAN_EVENT_INFO_TYPE_DFID +encapsulates the information about the directory object and is included +alongside the generic event metadata structure. +For events that occur on a non-directory object, the additional structure +includes a file handle that identifies the parent directory filesystem object. +Note that there is no guarantee that the directory filesystem object will be +found at the location described by the file handle information at the time +the event is received. +When combined with the flag +.BR FAN_REPORT_FID , +two records may be reported with events that occur on a non-directory object, +one to identify the non-directory object itself and one to identify the parent +directory object. +Note that in some cases, a filesystem object does not have a parent, +for example, when an event occurs on an unlinked but open file. +In that case, with the +.BR FAN_REPORT_FID +flag, the event will be reported with only one record to identify the +non-directory object itself, because there is no directory associated with +the event. Without the +.BR FAN_REPORT_FID +flag, no event will be reported. +See +.BR fanotify (7) +for additional details. .PP The .I event_f_flags |