[PATCH] debugfs: allow do_write() to handle files over 4GB
From: Andreas Dilger <hidden>
Date: 2014-07-24 23:49:21
Subsystem:
the rest · Maintainer:
Linus Torvalds
Fix debugfs do_write() to correctly set i_size_high if the source file is larger than 4GB. Otherwise, only the low 32 bits of the size is stored in i_size. Signed-off-by: Andreas Dilger <redacted> --- debugfs/debugfs.c | 2 ++ 1 files changed, 2 insertions(+), 0 deletions(-)
diff --git a/debugfs/debugfs.c b/debugfs/debugfs.c
index 1703aba..1184596 100644
--- a/debugfs/debugfs.c
+++ b/debugfs/debugfs.c@@ -1719,6 +1719,8 @@ void do_write(int argc, char *argv[]) current_fs->now ? current_fs->now : time(0); inode.i_links_count = 1; inode.i_size = statbuf.st_size; + /* cast to (long long) to avoid shift warning if st_size is 32 bits */ + inode.i_size_high = (long long)statbuf.st_size >> 32; if (current_fs->super->s_feature_incompat & EXT3_FEATURE_INCOMPAT_EXTENTS) { int i;
--
1.7.3.4