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| author | Gabriel Krisman Bertazi <krisman@suse.de> | 2024-04-03 12:44:13 -0400 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2024-04-05 20:09:05 -0600 |
| commit | e4cfc721761a85ea6a257c77572546292d04bf79 (patch) | |
| tree | 6ead07164581c26927bd0cfc46b41de176395847 | |
| parent | 501c78df8e76f3f6350207a2a1c89814bba4eb2d (diff) | |
| download | liburing-e4cfc721761a85ea6a257c77572546292d04bf79.tar.gz | |
man/io_uring_setup.2: Improve IORING_SETUP_REGISTERED_FD_ONLY documentation
Document that IORING_SETUP_REGISTERED_FD_ONLY depends on
IORING_SETUP_NO_MMAP being set.
Closes: https://github.com/axboe/liburing/issues/1087
Signed-off-by: Gabriel Krisman Bertazi <krisman@suse.de>
Link: https://lore.kernel.org/r/20240403164413.16398-3-krisman@suse.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
| -rw-r--r-- | man/io_uring_setup.2 | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/man/io_uring_setup.2 b/man/io_uring_setup.2 index f65c1f2..888e82b 100644 --- a/man/io_uring_setup.2 +++ b/man/io_uring_setup.2 @@ -325,6 +325,9 @@ file descriptor. The caller will need to use .B IORING_REGISTER_USE_REGISTERED_RING when calling .BR io_uring_register (2). +This flag only makes sense when used alongside with +.B IORING_SETUP_NO_MMAP, +which also needs to be set. Available since 6.5. .TP @@ -690,6 +693,10 @@ was not, or was specified, but .I io_uring_params.cq_entries was invalid. +.B IORING_SETUP_REGISTERED_FD_ONLY +was specified, but +.B IORING_SETUP_NO_MMAP +was not. .TP .B EMFILE The per-process limit on the number of open file descriptors has been |