From ab2257e9941b9ef28d4a4a451e4b146d40a21e18 Mon Sep 17 00:00:00 2001 From: Miklos Szeredi Date: Mon, 1 Oct 2018 10:07:05 +0200 Subject: fuse: reduce size of struct fuse_inode Do this by grouping fields used for cached writes and putting them into a union with fileds used for cached readdir (with obviously no overlap, since we don't have hybrid objects). Signed-off-by: Miklos Szeredi --- fs/fuse/dir.c | 13 ++++++++++++- 1 file changed, 12 insertions(+), 1 deletion(-) (limited to 'fs/fuse/dir.c') diff --git a/fs/fuse/dir.c b/fs/fuse/dir.c index 6800fdc3e730..d1b2f42d746e 100644 --- a/fs/fuse/dir.c +++ b/fs/fuse/dir.c @@ -1414,8 +1414,11 @@ int fuse_do_setattr(struct dentry *dentry, struct iattr *attr, file = NULL; } - if (attr->ia_valid & ATTR_SIZE) + if (attr->ia_valid & ATTR_SIZE) { + if (WARN_ON(!S_ISREG(inode->i_mode))) + return -EIO; is_truncate = true; + } if (is_truncate) { fuse_set_nowrite(inode); @@ -1619,8 +1622,16 @@ void fuse_init_common(struct inode *inode) void fuse_init_dir(struct inode *inode) { + struct fuse_inode *fi = get_fuse_inode(inode); + inode->i_op = &fuse_dir_inode_operations; inode->i_fop = &fuse_dir_operations; + + spin_lock_init(&fi->rdc.lock); + fi->rdc.cached = false; + fi->rdc.size = 0; + fi->rdc.pos = 0; + fi->rdc.version = 0; } void fuse_init_symlink(struct inode *inode) -- cgit v1.2.3