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authorMiklos Szeredi <mszeredi@suse.cz>2007-10-18 03:07:02 -0700
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-10-18 14:37:31 -0700
commit6ff958edbf39c014eb06b65ad25b736be08c4e63 (patch)
treef87af1ae11b321cfa38c25378229f25942797385 /fs/fuse/fuse_i.h
parent17637cbaba592076c221dc045ca78422b4af6290 (diff)
fuse: add atomic open+truncate support
This patch allows fuse filesystems to implement open(..., O_TRUNC) as a single request, instead of separate truncate and open requests. Signed-off-by: Miklos Szeredi <mszeredi@suse.cz> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs/fuse/fuse_i.h')
-rw-r--r--fs/fuse/fuse_i.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/fs/fuse/fuse_i.h b/fs/fuse/fuse_i.h
index ffbcadaa7d6..b24fc9b386f 100644
--- a/fs/fuse/fuse_i.h
+++ b/fs/fuse/fuse_i.h
@@ -320,6 +320,9 @@ struct fuse_conn {
/** Do readpages asynchronously? Only set in INIT */
unsigned async_read : 1;
+ /** Do not send separate SETATTR request before open(O_TRUNC) */
+ unsigned atomic_o_trunc : 1;
+
/*
* The following bitfields are only for optimization purposes
* and hence races in setting them will not cause malfunction