]> pilppa.com Git - linux-2.6-omap-h63xx.git/commit
VFS: allow filesystems to implement atomic open+truncate
authorMiklos Szeredi <mszeredi@suse.cz>
Thu, 18 Oct 2007 10:07:00 +0000 (03:07 -0700)
committerLinus Torvalds <torvalds@woody.linux-foundation.org>
Thu, 18 Oct 2007 21:37:30 +0000 (14:37 -0700)
commitd139d7ffd0c1e81e2a809909b4f8b121a0dc119a
treee8c9dd746bfd8ae16d17596009608c4c1a153217
parent49d4914fd7c10ae846d0f30d5f6f4732cc68499c
VFS: allow filesystems to implement atomic open+truncate

Add a new attribute flag ATTR_OPEN, with the meaning: "truncation was
initiated by open() due to the O_TRUNC flag".

This way filesystems wanting to implement truncation within their ->open()
method can ignore such truncate requests.

This is a quick & dirty hack, but it comes for free.

Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Andreas Dilger <adilger@clusterfs.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
fs/namei.c
include/linux/fs.h