X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=man%2Fsd_readahead.xml;h=98272997cb13a41a9451ffa5cd2a194ce7a8823e;hp=178f907afa95bde3b28d7a62953d7b4d94472a8f;hb=03ee5c38cb0da193dd08733fb4c0c2809cee6a99;hpb=6624768c9c39ab409edebe07cb06ecd93cc6f3ed diff --git a/man/sd_readahead.xml b/man/sd_readahead.xml index 178f907af..98272997c 100644 --- a/man/sd_readahead.xml +++ b/man/sd_readahead.xml @@ -8,20 +8,20 @@ Copyright 2010 Lennart Poettering systemd is free software; you can redistribute it and/or modify it - under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or + under the terms of the GNU Lesser General Public License as published by + the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. systemd is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - General Public License for more details. + Lesser General Public License for more details. - You should have received a copy of the GNU General Public License + You should have received a copy of the GNU Lesser General Public License along with systemd; If not, see . --> - + sd_readahead @@ -44,12 +44,12 @@ sd_readahead - Control ongoing disk read-ahead operations + Control ongoing disk boot-time read-ahead operations - #include "sd-daemon.h" + #include "sd-readahead.h" int sd_readahead @@ -62,7 +62,7 @@ Description sd_readahead() may be called by programs involved with early boot-up to - control ongoing disk read-ahead operations. It may be + control ongoing boot-time disk read-ahead operations. It may be used to terminate read-ahead operations in case an uncommon disk access pattern is to be expected and hence read-ahead replay or collection is unlikely to @@ -115,34 +115,34 @@ Notes This function is provided by the reference - implementation of APIs for new-style daemons and - distributed with the systemd package. The algorithm - it implements is simple, and can easily be - reimplemented in daemons if it is important to support - this interface without using the reference - implementation. + implementation of APIs for controlling boot-time + read-ahead and distributed with the systemd + package. The algorithm it implements is simple, and + can easily be reimplemented in daemons if it is + important to support this interface without using the + reference implementation. Internally, this function creates a file in - /dev/.systemd/readahead/ which is + /run/systemd/readahead/ which is then used as flag file to notify the read-ahead subsystem. For details about the algorithm check the liberally licensed reference implementation sources: - - resp. + + and sd_readahead() is implemented in the reference implementation's drop-in - sd-daemon.c and - sd-daemon.h files. It is + sd-readahead.c and + sd-readahead.h files. It is recommended that applications consuming this API copy the implementation into their source tree. For more - details about the reference implementation see - sd_daemon7 + details about the reference implementation, see + sd-readahead3 - If -DDISABLE_SYSTEMD is set during compilation + If -DDISABLE_SYSTEMD is set during compilation, this function will always return 0 and otherwise become a NOP. @@ -170,7 +170,7 @@ sd_readahead("noreplay"); See Also systemd1, - sd_daemon7, + sd-readahead3, daemon7