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| author | Mark Fasheh <mark.fasheh@oracle.com> | 2007-03-10 01:53:21 +0100 |
|---|---|---|
| committer | Mark Fasheh <mark.fasheh@oracle.com> | 2007-07-11 02:32:09 +0200 |
| commit | b25801038da5823bba1b5440a57ca68afc51b6bd (patch) | |
| tree | 3a6f10f8ddb3a7552630d60aabbb790d1b5a7a77 /fs/ocfs2/super.h | |
| parent | ocfs2: support for removing file regions (diff) | |
| download | linux-b25801038da5823bba1b5440a57ca68afc51b6bd.tar.xz linux-b25801038da5823bba1b5440a57ca68afc51b6bd.zip | |
ocfs2: Support xfs style space reservation ioctls
We re-use the RESVSP/UNRESVSP ioctls from xfs which allow the user to
allocate and deallocate regions to a file without zeroing data or changing
i_size.
Though renamed, the structure passed in from user is identical to struct
xfs_flock64. The three fields that are actually used right now are l_whence,
l_start and l_len.
This should get ocfs2 immediate compatibility with userspace software using
the pre-existing xfs ioctls.
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
Diffstat (limited to 'fs/ocfs2/super.h')
| -rw-r--r-- | fs/ocfs2/super.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/ocfs2/super.h b/fs/ocfs2/super.h index 783f5270f2a1..3b9cb3d0b008 100644 --- a/fs/ocfs2/super.h +++ b/fs/ocfs2/super.h @@ -45,4 +45,6 @@ void __ocfs2_abort(struct super_block *sb, #define ocfs2_abort(sb, fmt, args...) __ocfs2_abort(sb, __PRETTY_FUNCTION__, fmt, ##args) +unsigned long long ocfs2_max_file_offset(unsigned int blockshift); + #endif /* OCFS2_SUPER_H */ |