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authorLibing Zhou <libing.zhou@nokia-sbell.com>2020-10-15 20:13:42 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2020-10-16 11:11:22 -0700
commitd9bc85de46cad90851c346b592005090674b7669 (patch)
tree9bc50688e46d1abe7af63709cabe8fef6fdb4c01
parent6a6155f664e31c9be43cd690541a9a682ba3dc22 (diff)
downloadlinux-d9bc85de46cad90851c346b592005090674b7669.tar.gz
ROMFS: support inode blocks calculation
When use 'stat' tool to display file status, the 'Blocks' field always in '0', this is not good for tool 'du'(e.g.: busybox 'du'), it always output '0' size for the files under ROMFS since such tool calculates number of 512B Blocks. This patch calculates approx. number of 512B blocks based on inode size. Signed-off-by: Libing Zhou <libing.zhou@nokia-sbell.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Cc: David Howells <dhowells@redhat.com> Cc: Al Viro <viro@zeniv.linux.org.uk> Link: http://lkml.kernel.org/r/20200811052606.4243-1-libing.zhou@nokia-sbell.com Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
-rw-r--r--fs/romfs/super.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/fs/romfs/super.c b/fs/romfs/super.c
index e582d001f792e..b1b7d3f5752fa 100644
--- a/fs/romfs/super.c
+++ b/fs/romfs/super.c
@@ -356,6 +356,7 @@ static struct inode *romfs_iget(struct super_block *sb, unsigned long pos)
}
i->i_mode = mode;
+ i->i_blocks = (i->i_size + 511) >> 9;
unlock_new_inode(i);
return i;