109  * regardless of what dir changes take place on the
134 	struct inode *dir = d_inode(parent);  in __dcache_find_get_entry()  local
135 	struct ceph_client *cl = ceph_inode_to_client(dir);  in __dcache_find_get_entry()
141 	if (ptr_pos >= i_size_read(dir))  in __dcache_find_get_entry()
146 		cache_ctl->folio = filemap_lock_folio(&dir->i_data, ptr_pgoff);  in __dcache_find_get_entry()
164 	if (ceph_dir_is_complete_ordered(dir) && ptr_pos < i_size_read(dir))  in __dcache_find_get_entry()
179  * falling back to a "normal" sync readdir if any dentries in the dir
182  * Complete dir indicates that we have all dentries in the dir.  It is
191 	struct inode *dir = d_inode(parent);  in __dcache_readdir()  local
192 	struct ceph_fs_client *fsc = ceph_inode_to_fs_client(dir);  in __dcache_readdir()
193 	struct ceph_client *cl = ceph_inode_to_client(dir);  in __dcache_readdir()
200 	doutc(cl, "%p %llx.%llx v%u at %llx\n", dir, ceph_vinop(dir),  in __dcache_readdir()
205 		u64 count = div_u64(i_size_read(dir), sizeof(struct dentry *));  in __dcache_readdir()
231 		doutc(cl, "%p %llx.%llx cache idx %llu\n", dir,  in __dcache_readdir()
232 		      ceph_vinop(dir), idx);  in __dcache_readdir()
255 		     fscrypt_has_encryption_key(dir))) {  in __dcache_readdir()
486 				/* preclude from marking dir ordered */  in ceph_readdir()
490 				/* note dir version at start of readdir so  in ceph_readdir()
500 			/* preclude from marking dir complete */  in ceph_readdir()
607 	 * if dir_release_count still matches the dir, no dentries  in ceph_readdir()
609 	 * the complete dir contents in our cache.  in ceph_readdir()
729 	/* .snap dir? */  in ceph_handle_snapdir()
793  * Look up a single dir entry.  If there is a lookup intent, inform
796 static struct dentry *ceph_lookup(struct inode *dir, struct dentry *dentry,  in ceph_lookup()  argument
799 	struct ceph_fs_client *fsc = ceph_sb_to_fs_client(dir->i_sb);  in ceph_lookup()
800 	struct ceph_mds_client *mdsc = ceph_sb_to_mdsc(dir->i_sb);  in ceph_lookup()
807 	doutc(cl, "%p %llx.%llx/'%pd' dentry %p\n", dir, ceph_vinop(dir),  in ceph_lookup()
813 	if (IS_ENCRYPTED(dir)) {  in ceph_lookup()
814 		bool had_key = fscrypt_has_encryption_key(dir);  in ceph_lookup()
816 		err = fscrypt_prepare_lookup_partial(dir, dentry);  in ceph_lookup()
821 		if (!had_key && fscrypt_has_encryption_key(dir))  in ceph_lookup()
822 			ceph_dir_clear_complete(dir);  in ceph_lookup()
827 		struct ceph_inode_info *ci = ceph_inode(dir);  in ceph_lookup()
831 		doutc(cl, " dir %llx.%llx flags are 0x%lx\n",  in ceph_lookup()
832 		      ceph_vinop(dir), ci->i_ceph_flags);  in ceph_lookup()
836 		    !is_root_ceph_dentry(dir, dentry) &&  in ceph_lookup()
842 			doutc(cl, " dir %llx.%llx complete, -ENOENT\n",  in ceph_lookup()
843 			      ceph_vinop(dir));  in ceph_lookup()
852 	op = ceph_snap(dir) == CEPH_SNAPDIR ?  in ceph_lookup()
861 	if (ceph_security_xattr_wanted(dir))  in ceph_lookup()
865 	ihold(dir);  in ceph_lookup()
866 	req->r_parent = dir;  in ceph_lookup()
890 int ceph_handle_notrace_create(struct inode *dir, struct dentry *dentry)  in ceph_handle_notrace_create()  argument
892 	struct dentry *result = ceph_lookup(dir, dentry, 0);  in ceph_handle_notrace_create()
913 static int ceph_mknod(struct mnt_idmap *idmap, struct inode *dir,  in ceph_mknod()  argument
916 	struct ceph_mds_client *mdsc = ceph_sb_to_mdsc(dir->i_sb);  in ceph_mknod()
922 	if (ceph_snap(dir) != CEPH_NOSNAP)  in ceph_mknod()
929 	if (ceph_quota_is_max_files_exceeded(dir)) {  in ceph_mknod()
935 	      dir, ceph_vinop(dir), dentry, dentry, mode, rdev);  in ceph_mknod()
942 	req->r_new_inode = ceph_new_inode(dir, dentry, &mode, &as_ctx);  in ceph_mknod()
949 	if (S_ISREG(mode) && IS_ENCRYPTED(dir))  in ceph_mknod()
954 	req->r_parent = dir;  in ceph_mknod()
955 	ihold(dir);  in ceph_mknod()
966 	err = ceph_mdsc_do_request(mdsc, dir, req);  in ceph_mknod()
968 		err = ceph_handle_notrace_create(dir, dentry);  in ceph_mknod()
980 static int ceph_create(struct mnt_idmap *idmap, struct inode *dir,  in ceph_create()  argument
983 	return ceph_mknod(idmap, dir, dentry, mode, 0);  in ceph_create()
1024 static int ceph_symlink(struct mnt_idmap *idmap, struct inode *dir,  in ceph_symlink()  argument
1027 	struct ceph_mds_client *mdsc = ceph_sb_to_mdsc(dir->i_sb);  in ceph_symlink()
1034 	if (ceph_snap(dir) != CEPH_NOSNAP)  in ceph_symlink()
1041 	if (ceph_quota_is_max_files_exceeded(dir)) {  in ceph_symlink()
1046 	doutc(cl, "%p %llx.%llx/'%pd' to '%s'\n", dir, ceph_vinop(dir), dentry,  in ceph_symlink()
1054 	req->r_new_inode = ceph_new_inode(dir, dentry, &mode, &as_ctx);  in ceph_symlink()
1061 	req->r_parent = dir;  in ceph_symlink()
1062 	ihold(dir);  in ceph_symlink()
1086 	err = ceph_mdsc_do_request(mdsc, dir, req);  in ceph_symlink()
1088 		err = ceph_handle_notrace_create(dir, dentry);  in ceph_symlink()
1098 static struct dentry *ceph_mkdir(struct mnt_idmap *idmap, struct inode *dir,  in ceph_mkdir()  argument
1101 	struct ceph_mds_client *mdsc = ceph_sb_to_mdsc(dir->i_sb);  in ceph_mkdir()
1113 	if (ceph_snap(dir) == CEPH_SNAPDIR) {  in ceph_mkdir()
1117 		      ceph_vinop(dir), dentry, dentry);  in ceph_mkdir()
1118 	} else if (ceph_snap(dir) == CEPH_NOSNAP) {  in ceph_mkdir()
1120 		      ceph_vinop(dir), dentry, dentry, mode);  in ceph_mkdir()
1128 	    ceph_quota_is_max_files_exceeded(dir)) {  in ceph_mkdir()
1132 	if ((op == CEPH_MDS_OP_MKSNAP) && IS_ENCRYPTED(dir) &&  in ceph_mkdir()
1133 	    !fscrypt_has_encryption_key(dir)) {  in ceph_mkdir()
1146 	req->r_new_inode = ceph_new_inode(dir, dentry, &mode, &as_ctx);  in ceph_mkdir()
1155 	req->r_parent = dir;  in ceph_mkdir()
1156 	ihold(dir);  in ceph_mkdir()
1167 	err = ceph_mdsc_do_request(mdsc, dir, req);  in ceph_mkdir()
1171 		err = ceph_handle_notrace_create(dir, dentry);  in ceph_mkdir()
1190 static int ceph_link(struct dentry *old_dentry, struct inode *dir,  in ceph_link()  argument
1193 	struct ceph_mds_client *mdsc = ceph_sb_to_mdsc(dir->i_sb);  in ceph_link()
1205 	if (ceph_snap(dir) != CEPH_NOSNAP)  in ceph_link()
1208 	err = fscrypt_prepare_link(old_dentry, dir, dentry);  in ceph_link()
1212 	doutc(cl, "%p %llx.%llx/'%pd' to '%pd'\n", dir, ceph_vinop(dir),  in ceph_link()
1228 	req->r_parent = dir;  in ceph_link()
1229 	ihold(dir);  in ceph_link()
1235 	err = ceph_mdsc_do_request(mdsc, dir, req);  in ceph_link()
1299 static int get_caps_for_async_unlink(struct inode *dir, struct dentry *dentry)  in get_caps_for_async_unlink()  argument
1301 	struct ceph_inode_info *ci = ceph_inode(dir);  in get_caps_for_async_unlink()
1338 static int ceph_unlink(struct inode *dir, struct dentry *dentry)  in ceph_unlink()  argument
1340 	struct ceph_fs_client *fsc = ceph_sb_to_fs_client(dir->i_sb);  in ceph_unlink()
1352 	if (ceph_snap(dir) == CEPH_SNAPDIR) {  in ceph_unlink()
1354 		doutc(cl, "rmsnap %llx.%llx/'%pd' dn\n", ceph_vinop(dir),  in ceph_unlink()
1357 	} else if (ceph_snap(dir) == CEPH_NOSNAP) {  in ceph_unlink()
1359 		      ceph_vinop(dir), dentry, ceph_vinop(inode));  in ceph_unlink()
1365 	dn = d_find_alias(dir);  in ceph_unlink()
1397 	req->r_parent = dir;  in ceph_unlink()
1398 	ihold(dir);  in ceph_unlink()
1404 	    (req->r_dir_caps = get_caps_for_async_unlink(dir, dentry))) {  in ceph_unlink()
1408 		      ceph_vinop(dir), dentry,  in ceph_unlink()
1424 		err = ceph_mdsc_submit_request(mdsc, dir, req);  in ceph_unlink()
1461 		err = ceph_mdsc_do_request(mdsc, dir, req);  in ceph_unlink()
1579  * When dir lease is used, add dentry to tail of mdsc->dentry_dir_leases
1681 			/* move it into tail of dir lease list */  in __dentry_leases_walk()
1762 		/* Move dentry to tail of dir lease list if we don't want  in __dir_lease_check()
1770 		/* invalidate dir lease */  in __dir_lease_check()
1899 	struct inode *dir;  in __dir_lease_try_check()  local
1908 	dir = d_inode(dentry->d_parent);  in __dir_lease_try_check()
1909 	ci = ceph_inode(dir);  in __dir_lease_try_check()
1928 static int dir_lease_is_valid(struct inode *dir, struct dentry *dentry,  in dir_lease_is_valid()  argument
1931 	struct ceph_inode_info *ci = ceph_inode(dir);  in dir_lease_is_valid()
1947 		if (dir == d_inode(dentry->d_parent) &&  in dir_lease_is_valid()
1954 	doutc(cl, "dir %p %llx.%llx v%u dentry %p '%pd' = %d\n", dir,  in dir_lease_is_valid()
1955 	      ceph_vinop(dir), (unsigned)atomic_read(&ci->i_shared_gen),  in dir_lease_is_valid()
1963 static int ceph_d_revalidate(struct inode *dir, const struct qstr *name,  in ceph_d_revalidate()  argument
1971 	valid = fscrypt_d_revalidate(dir, name, dentry, flags);  in ceph_d_revalidate()
1981 	mdsc = ceph_sb_to_fs_client(dir->i_sb)->mdsc;  in ceph_d_revalidate()
1984 	if (ceph_snap(dir) != CEPH_NOSNAP) {  in ceph_d_revalidate()
1994 		if (valid || dir_lease_is_valid(dir, dentry, mdsc)) {  in ceph_d_revalidate()
2012 		op = ceph_snap(dir) == CEPH_SNAPDIR ?  in ceph_d_revalidate()
2018 			req->r_parent = dir;  in ceph_d_revalidate()
2019 			ihold(dir);  in ceph_d_revalidate()
2024 			if (ceph_security_xattr_wanted(dir))  in ceph_d_revalidate()
2052 		ceph_dir_clear_complete(dir);  in ceph_d_revalidate()
2146  * read() on a dir.  This weird interface hack only works if mounted
2201 unsigned ceph_dentry_hash(struct inode *dir, struct dentry *dn)  in ceph_dentry_hash()  argument
2203 	struct ceph_inode_info *dci = ceph_inode(dir);  in ceph_dentry_hash()