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Message-Id: <1248262099-12514-1-git-send-email-jlayton@redhat.com>
Date: Wed, 22 Jul 2009 07:28:18 -0400
From: Jeff Layton <jlayton@...hat.com>
To: linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org
Cc: smfrench@...il.com, hch@...radead.org
Subject: [PATCH] libfs: make get_sb_pseudo set s_maxbytes to value that can be cast to signed
This patch is a counterpart to the CIFS patch posted yesterday. I
believe either patch will fix the problem seen in do_sendfile since the
smaller s_maxbytes value for the two superblocks is used there.
get_sb_pseudo sets s_maxbytes to ~0ULL, which becomes negative when cast
to a signed value. Fix it to use MAX_LFS_FILESIZE which casts properly
to a positive signed value.
Signed-off-by: Jeff Layton <jlayton@...hat.com>
---
fs/libfs.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/fs/libfs.c b/fs/libfs.c
index ddfa899..dcec3d3 100644
--- a/fs/libfs.c
+++ b/fs/libfs.c
@@ -217,7 +217,7 @@ int get_sb_pseudo(struct file_system_type *fs_type, char *name,
return PTR_ERR(s);
s->s_flags = MS_NOUSER;
- s->s_maxbytes = ~0ULL;
+ s->s_maxbytes = MAX_LFS_FILESIZE;
s->s_blocksize = PAGE_SIZE;
s->s_blocksize_bits = PAGE_SHIFT;
s->s_magic = magic;
--
1.6.0.6
--
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