fuse: fix blksize calculation

Don't use inode->i_blkbits which might be stale, instead calculate the blksize
information from the freshly obtained attributes.

Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>

diff --git a/fs/fuse/dir.c b/fs/fuse/dir.c
index bc438320cac58d568be4a71c7c88c91799061850..334e0b18a014c72bf78583f76a6c3b02f9058181 100644 (file)
--- a/fs/fuse/dir.c
+++ b/fs/fuse/dir.c
@@ -775,6 +775,8 @@ static int fuse_link(struct dentry *entry, struct inode *newdir,
 static void fuse_fillattr(struct inode *inode, struct fuse_attr *attr,
                          struct kstat *stat)
 {
+       unsigned int blkbits;
+
        stat->dev = inode->i_sb->s_dev;
        stat->ino = attr->ino;
        stat->mode = (inode->i_mode & S_IFMT) | (attr->mode & 07777);
@@ -790,7 +792,13 @@ static void fuse_fillattr(struct inode *inode, struct fuse_attr *attr,
        stat->ctime.tv_nsec = attr->ctimensec;
        stat->size = attr->size;
        stat->blocks = attr->blocks;
-       stat->blksize = (1 << inode->i_blkbits);
+
+       if (attr->blksize != 0)
+               blkbits = ilog2(attr->blksize);
+       else
+               blkbits = inode->i_sb->s_blocksize_bits;
+
+       stat->blksize = 1 << blkbits;
 }
 
 static int fuse_do_getattr(struct inode *inode, struct kstat *stat,