search for: zero_blocks

Displaying 2 results from an estimated 2 matches for "zero_blocks".

2012 Oct 24
2
[BUG][BTRFS-PROGS] Fix Bug to corrupt the img file
...file''s size goes larger to 2Mbytes. Signed-off-by: Rock Lee <zimilo@code-trick.com> --- utils.c | 8 ++++++-- 1 files changed, 6 insertions(+), 2 deletions(-) diff --git a/utils.c b/utils.c index 205e667..3c88d2e 100644 --- a/utils.c +++ b/utils.c @@ -441,7 +441,7 @@ static int zero_blocks(int fd, off_t start, size_t len) return ret; } -static int zero_dev_start(int fd) +static int zero_dev_start(int fd, u64 dev_size) { off_t start = 0; size_t len = 2 * 1024 * 1024; @@ -451,6 +451,10 @@ static int zero_dev_start(int fd) start = 1024; len -=...
2006 Apr 02
1
Zeroing freed blocks
A couple of years ago there was a discussion on lkml under the thread 'PATCH - ext2fs privacy (i.e. secure deletion) patch' about zapping deleted data in the filesystem as a security mechanism. The discussion wandered off into how 'chattr +s' could be implemented and whether encrypting filesystems wouldn't be a better solution to the problem. I've been maintaining a