CVS commit: src/sys/fs/msdosfs

[Reinoud Zandijk <reinoud%netbsd.org@localhost>]

Module Name:    src
Committed By:   reinoud
Date:           Fri Dec 28 17:46:48 UTC 2007

Modified Files:
        src/sys/fs/msdosfs: msdosfs_denode.c msdosfs_vnops.c

Log Message:
Use uvm_vnp_setwritesize() on file extending to instruct UVM to NOT read-in
the newly added space first. This significantly speeds up write speed for
msdosfs and making it at par with ffs wich already had this patched.

Speed increase measured on my IDE disc from 2Mb/sec to 32 Mb/sec


To generate a diff of this commit:
cvs rdiff -r1.28 -r1.29 src/sys/fs/msdosfs/msdosfs_denode.c
cvs rdiff -r1.44 -r1.45 src/sys/fs/msdosfs/msdosfs_vnops.c

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.