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| author | Nick Piggin <npiggin@suse.de> | 2007-02-20 13:58:09 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-02-20 17:10:15 -0800 |
| commit | 22c8ca78f20724676b6006232bf06cc3e9299539 (patch) | |
| tree | 2e92d122733505590c5df7906ac2590477b5806b /fs/xfs/xfs_btree.c | |
| parent | 955eff5acc8b8cd1c7d4eec0229c35eaabe013db (diff) | |
| download | op-kernel-dev-22c8ca78f20724676b6006232bf06cc3e9299539.zip op-kernel-dev-22c8ca78f20724676b6006232bf06cc3e9299539.tar.gz | |
[PATCH] fs: fix nobh data leak
nobh_prepare_write leaks data similarly to how simple_prepare_write did. Fix
by not marking the page uptodate until nobh_commit_write time. Again, this
could break weird use-cases, but none appear to exist in the tree.
We can safely remove the set_page_dirty, because as the comment says,
nobh_commit_write does set_page_dirty. If a filesystem wants to allocate
backing store for a page dirtied via mmap, page_mkwrite is the suggested
approach.
Signed-off-by: Nick Piggin <npiggin@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs/xfs/xfs_btree.c')
0 files changed, 0 insertions, 0 deletions
