F_UNLCK has the special meaning when used as a lock type on input. It returns the information about any lock found in the specified region on that particular file descriptor. Locks on other file descriptors are ignored by F_UNLCK. Signed-off-by: Stas Sergeev <stsp2@xxxxxxxxx> CC: Jeff Layton <jlayton@xxxxxxxxxx> CC: Chuck Lever <chuck.lever@xxxxxxxxxx> CC: Alexander Viro <viro@xxxxxxxxxxxxxxxxxx> CC: Christian Brauner <brauner@xxxxxxxxxx> CC: linux-fsdevel@xxxxxxxxxxxxxxx CC: linux-kernel@xxxxxxxxxxxxxxx CC: Shuah Khan <shuah@xxxxxxxxxx> CC: linux-kselftest@xxxxxxxxxxxxxxx CC: linux-api@xxxxxxxxxxxxxxx --- man2/fcntl.2 | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/man2/fcntl.2 b/man2/fcntl.2 index 7b5604e3a..e3e3e7b8c 100644 --- a/man2/fcntl.2 +++ b/man2/fcntl.2 @@ -604,6 +604,13 @@ then details about one of these locks are returned via .IR lock , as described above for .BR F_GETLK . +.B F_UNLCK +has the special meaning when put into +.I l_type +as an input. It returns the information about any lock in the specified +range on that particular file descriptor. The locks on other file +descriptors are ignored by +.BR F_UNLCK . .PP In the current implementation, .\" commit 57b65325fe34ec4c917bc4e555144b4a94d9e1f7 -- 2.39.2
