2.6.35-longterm review patch. If anyone has any objections, please let me know.
------------------ From: Richard Weinberger <[email protected]> commit 1b627d5771312c92404b66f0a0b16f66036dd2e1 upstream. 365b1818 ("add f_flags to struct statfs(64)") resized f_spare within struct statfs which caused a UML crash. There is no need to copy f_spare. Signed-off-by: Richard Weinberger <[email protected]> Reported-by: Toralf Förster <[email protected]> Tested-by: Toralf Förster <[email protected]> Cc: Christoph Hellwig <[email protected]> Cc: Al Viro <[email protected]> Cc: Jeff Dike <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]> Signed-off-by: Andi Kleen <[email protected]> --- fs/hostfs/hostfs.h | 3 +-- fs/hostfs/hostfs_kern.c | 2 +- fs/hostfs/hostfs_user.c | 9 ++------- 3 files changed, 4 insertions(+), 10 deletions(-) Index: linux/fs/hostfs/hostfs.h =================================================================== --- linux.orig/fs/hostfs/hostfs.h +++ linux/fs/hostfs/hostfs.h @@ -86,7 +86,6 @@ extern int rename_file(char *from, char extern int do_statfs(char *root, long *bsize_out, long long *blocks_out, long long *bfree_out, long long *bavail_out, long long *files_out, long long *ffree_out, - void *fsid_out, int fsid_size, long *namelen_out, - long *spare_out); + void *fsid_out, int fsid_size, long *namelen_out); #endif Index: linux/fs/hostfs/hostfs_kern.c =================================================================== --- linux.orig/fs/hostfs/hostfs_kern.c +++ linux/fs/hostfs/hostfs_kern.c @@ -272,7 +272,7 @@ int hostfs_statfs(struct dentry *dentry, err = do_statfs(HOSTFS_I(dentry->d_sb->s_root->d_inode)->host_filename, &sf->f_bsize, &f_blocks, &f_bfree, &f_bavail, &f_files, &f_ffree, &sf->f_fsid, sizeof(sf->f_fsid), - &sf->f_namelen, sf->f_spare); + &sf->f_namelen); if (err) return err; sf->f_blocks = f_blocks; Index: linux/fs/hostfs/hostfs_user.c =================================================================== --- linux.orig/fs/hostfs/hostfs_user.c +++ linux/fs/hostfs/hostfs_user.c @@ -402,8 +402,7 @@ int rename_file(char *from, char *to) int do_statfs(char *root, long *bsize_out, long long *blocks_out, long long *bfree_out, long long *bavail_out, long long *files_out, long long *ffree_out, - void *fsid_out, int fsid_size, long *namelen_out, - long *spare_out) + void *fsid_out, int fsid_size, long *namelen_out) { struct statfs64 buf; int err; @@ -422,10 +421,6 @@ int do_statfs(char *root, long *bsize_ou sizeof(buf.f_fsid) > fsid_size ? fsid_size : sizeof(buf.f_fsid)); *namelen_out = buf.f_namelen; - spare_out[0] = buf.f_spare[0]; - spare_out[1] = buf.f_spare[1]; - spare_out[2] = buf.f_spare[2]; - spare_out[3] = buf.f_spare[3]; - spare_out[4] = buf.f_spare[4]; + return 0; }
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