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| author | Tony Lindgren <tony@atomide.com> | 2011-02-25 12:27:14 -0800 |
|---|---|---|
| committer | Tony Lindgren <tony@atomide.com> | 2011-02-25 12:27:14 -0800 |
| commit | 02fa9f0451ac639a687bfc145eefe58703ff220e (patch) | |
| tree | fe984acc78f22f6eb8fb98efaba8b1ac2f3ad8d9 /fs/ioctl.c | |
| parent | cbc9438075ca9dee3f39a2e7310f81c304b40359 (diff) | |
| parent | 51c404b2c514930e98e81e0b9294f19892a4f871 (diff) | |
Merge branch 'patches_for_2.6.38rc' of git://git.pwsan.com/linux-2.6 into devel-fixes
Diffstat (limited to 'fs/ioctl.c')
| -rw-r--r-- | fs/ioctl.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/fs/ioctl.c b/fs/ioctl.c index a59635e295f..1eebeb72b20 100644 --- a/fs/ioctl.c +++ b/fs/ioctl.c @@ -273,6 +273,13 @@ int __generic_block_fiemap(struct inode *inode, len = isize; } + /* + * Some filesystems can't deal with being asked to map less than + * blocksize, so make sure our len is at least block length. + */ + if (logical_to_blk(inode, len) == 0) + len = blk_to_logical(inode, 1); + start_blk = logical_to_blk(inode, start); last_blk = logical_to_blk(inode, start + len - 1); |