The patch titled
vfs: make get_sb_pseudo set s_maxbytes to value that can be cast to signed
has been added to the -mm tree. Its filename is
vfs-make-get_sb_pseudo-set-s_maxbytes-to-value-that-can-be-cast-to-signed.patch
Before you just go and hit "reply", please:
a) Consider who else should be cc'ed
b) Prefer to cc a suitable mailing list as well
c) Ideally: find the original patch on the mailing list and do a
reply-to-all to that, adding suitable additional cc's
*** Remember to use Documentation/SubmitChecklist when testing your code ***
See http://userweb.kernel.org/~akpm/stuff/added-to-mm.txt to find
out what to do about this
The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/
------------------------------------------------------
Subject: vfs: make get_sb_pseudo set s_maxbytes to value that can be cast to signed
From: Jeff Layton <jlayton@xxxxxxxxxx>
DESC
vfs: make get_sb_pseudo set s_maxbytes to value that can be cast to signed
DESC
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@xxxxxxxxxx>
Reviewed-by: Johannes Weiner <hannes@xxxxxxxxxxx>
Acked-by: Steve French <smfrench@xxxxxxxxx>
Reviewed-by: Christoph Hellwig <hch@xxxxxx>
Cc: Al Viro <viro@xxxxxxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
fs/libfs.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff -puN fs/libfs.c~vfs-make-get_sb_pseudo-set-s_maxbytes-to-value-that-can-be-cast-to-signed fs/libfs.c
--- a/fs/libfs.c~vfs-make-get_sb_pseudo-set-s_maxbytes-to-value-that-can-be-cast-to-signed
+++ a/fs/libfs.c
@@ -217,7 +217,7 @@ int get_sb_pseudo(struct file_system_typ
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;
_
Patches currently in -mm which might be from jlayton@xxxxxxxxxx are
origin.patch
vfs-make-get_sb_pseudo-set-s_maxbytes-to-value-that-can-be-cast-to-signed.patch
vfs-remove-redundant-position-check-in-do_sendfile.patch
vfs-change-sb-s_maxbytes-to-a-loff_t.patch
--
To unsubscribe from this list: send the line "unsubscribe mm-commits" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
