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authorJeff Moyer <jmoyer@redhat.com>2006-10-19 23:28:13 -0700
committerLinus Torvalds <torvalds@g5.osdl.org>2006-10-20 10:26:35 -0700
commitfb5527e68d495650a7658fec9a7246bf922db212 (patch)
treedc0c993c3f07ddf1d1cf02a725ac3348f638d7bc /block/ll_rw_blk.c
parente8e82b76e0312827f5ae04b573a05b02854a447e (diff)
[PATCH] direct-io: sync and invalidate file region when falling back to buffered write
When direct-io falls back to buffered write, it will just leave the dirty data floating about in pagecache, pending regular writeback. But normal direct-io semantics are that IO is synchronous, and that it leaves no pagecache behind. So change the fallback-to-buffered-write code to sync the file region and to then strip away the pagecache, just as a regular direct-io write would do. Acked-by: Jeff Moyer <jmoyer@redhat.com> Cc: Zach Brown <zach.brown@oracle.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'block/ll_rw_blk.c')
0 files changed, 0 insertions, 0 deletions