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docs: correct limit value of FAN_UNLIMITED_QUEUE and FAN_UNLIMITED_MARKS #2408

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May 18, 2024
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docs: correct limit value of FAN_UNLIMITED_QUEUE and FAN_UNLIMITED_MARKS #2408

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17 changes: 15 additions & 2 deletions src/sys/fanotify.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -96,9 +96,22 @@ libc_bitflags! {
/// final data.
FAN_CLASS_PRE_CONTENT;

/// Remove the limit of 16384 events for the event queue.
/// Remove the limit on the number of events in the event queue.
///
/// Prior to Linux kernel 5.13, this limit was hardcoded to 16384. After
/// 5.13, one can change it via file `/proc/sys/fs/fanotify/max_queued_events`.
///
/// See `fanotify(7)` for details about this limit. Use of this flag
/// requires the `CAP_SYS_ADMIN` capability.
FAN_UNLIMITED_QUEUE;
/// Remove the limit of 8192 marks.
/// Remove the limit on the number of fanotify marks per user.
///
/// Prior to Linux kernel 5.13, this limit was hardcoded to 8192 (per
/// group, not per user). After 5.13, one can change it via file
/// `/proc/sys/fs/fanotify/max_user_marks`.
///
/// See `fanotify(7)` for details about this limit. Use of this flag
/// requires the `CAP_SYS_ADMIN` capability.
FAN_UNLIMITED_MARKS;

/// Make `FanotifyEvent::pid` return pidfd. Since Linux 5.15.
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