fs/fuse/readdir.c

19 	struct fuse_inode *fi = get_fuse_inode(dir);
25 	if (test_and_clear_bit(FUSE_I_ADVISE_RDPLUS, &fi->state))
35 	struct fuse_inode *fi = get_fuse_inode(file_inode(file));
44 	spin_lock(&fi->rdc.lock);
49 	if (fi->rdc.cached || pos != fi->rdc.pos) {
50 		spin_unlock(&fi->rdc.lock);
53 	version = fi->rdc.version;
54 	size = fi->rdc.size;
62 	spin_unlock(&fi->rdc.lock);
73 	spin_lock(&fi->rdc.lock);
75 	if (fi->rdc.version != version || fi->rdc.size != size ||
76 	    WARN_ON(fi->rdc.pos != pos))
86 	fi->rdc.size = (index << PAGE_SHIFT) + offset + reclen;
87 	fi->rdc.pos = dirent->off;
89 	spin_unlock(&fi->rdc.lock);
96 	struct fuse_inode *fi = get_fuse_inode(file_inode(file));
99 	spin_lock(&fi->rdc.lock);
101 	if (fi->rdc.pos != pos) {
102 		spin_unlock(&fi->rdc.lock);
106 	fi->rdc.cached = true;
107 	end = ALIGN(fi->rdc.size, PAGE_SIZE);
108 	spin_unlock(&fi->rdc.lock);
203 		struct fuse_inode *fi;
220 		fi = get_fuse_inode(inode);
221 		spin_lock(&fi->lock);
222 		fi->nlookup++;
223 		spin_unlock(&fi->lock);
248 				struct fuse_inode *fi = get_fuse_inode(inode);
250 				spin_lock(&fi->lock);
251 				fi->nlookup--;
252 				spin_unlock(&fi->lock);
434 	struct fuse_inode *fi = get_fuse_inode(inode);
436 	fi->rdc.cached = false;
437 	fi->rdc.version++;
438 	fi->rdc.size = 0;
439 	fi->rdc.pos = 0;
449 	struct fuse_inode *fi = get_fuse_inode(inode);
474 	spin_lock(&fi->rdc.lock);
476 	if (!fi->rdc.cached) {
478 		if (!ctx->pos && !fi->rdc.size) {
479 			fi->rdc.mtime = inode_get_mtime(inode);
480 			fi->rdc.iversion = inode_query_iversion(inode);
482 		spin_unlock(&fi->rdc.lock);
493 		if (inode_peek_iversion(inode) != fi->rdc.iversion ||
494 		    !timespec64_equal(&fi->rdc.mtime, &mtime)) {
504 	if (ff->readdir.version != fi->rdc.version) {
513 		ff->readdir.version = fi->rdc.version;
515 	WARN_ON(fi->rdc.size < ff->readdir.cache_off);
519 	if (index == (fi->rdc.size >> PAGE_SHIFT))
520 		size = fi->rdc.size & ~PAGE_MASK;
523 	spin_unlock(&fi->rdc.lock);
537 	spin_lock(&fi->rdc.lock);
542 		if (fi->rdc.version == ff->readdir.version)
548 	if (ff->readdir.version != fi->rdc.version) {
549 		spin_unlock(&fi->rdc.lock);
554 	spin_unlock(&fi->rdc.lock);