Hi, I would suggest to go through code in mm/filemap.c and this function, generic_file_direct_IO in it. Secondly good explaination is given in book "Understanding The Linux Kernel" by Cesati and Bovet by O'REILLY. Thanks Prasanna --- chgans@xxxxxxxxxxxxx wrote: > Hi all, > > I'am searching documentation on direct io feature on > Linux, but i haven't > found details on it (only changelogs, mailing list > threads, kernel patches > and so on). > - i would know what kernel parts is the > responsability of supporting > direct io? is it FS related or block devices related > or both? > - i would know if direct io is possible when using > flash filesystem (via > Linux MTD, jffs2, cramfs...). > > Thanks for any point out. > > Christian > > > > -- > Kernelnewbies: Help each other learn about the Linux > kernel. > Archive: > http://mail.nl.linux.org/kernelnewbies/ > FAQ: http://kernelnewbies.org/faq/ > > __________________________________ Do you Yahoo!? Yahoo! Mail - Helps protect you from nasty viruses. http://promotions.yahoo.com/new_mail -- Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ FAQ: http://kernelnewbies.org/faq/
