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authorMiklos Szeredi <mszeredi@suse.cz>2007-10-18 03:07:00 -0700
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-10-18 14:37:30 -0700
commitd139d7ffd0c1e81e2a809909b4f8b121a0dc119a (patch)
treee8c9dd746bfd8ae16d17596009608c4c1a153217 /fs/ocfs2/buffer_head_io.h
parent49d4914fd7c10ae846d0f30d5f6f4732cc68499c (diff)
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>
Diffstat (limited to 'fs/ocfs2/buffer_head_io.h')
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