Module Name: src Committed By: hannken Date: Wed Jun 29 09:12:42 UTC 2011
Modified Files: src/sys/dev: vnd.c vndvar.h Log Message: Make vnd(4) work on sparse files: - Make the strategy decision a device flag and set VNF_USE_VN_RDWR for files known to be sparse. - Change handle_with_rdwr() to use POSIX_FADV_NOREUSE advise to disable read ahead and keep the size of mapped pages below 1 MByte. No objections on tech-kern@. To generate a diff of this commit: cvs rdiff -u -r1.217 -r1.218 src/sys/dev/vnd.c cvs rdiff -u -r1.30 -r1.31 src/sys/dev/vndvar.h Please note that diffs are not public domain; they are subject to the copyright notices on the relevant files.