70 static struct nfs_open_dir_context *alloc_nfs_open_dir_context(struct inode *dir, struct rpc_cred *…  in alloc_nfs_open_dir_context()  argument
72 	struct nfs_inode *nfsi = NFS_I(dir);  in alloc_nfs_open_dir_context()
81 		spin_lock(&dir->i_lock);  in alloc_nfs_open_dir_context()
83 		spin_unlock(&dir->i_lock);  in alloc_nfs_open_dir_context()
89 static void put_nfs_open_dir_context(struct inode *dir, struct nfs_open_dir_context *ctx)  in put_nfs_open_dir_context()  argument
91 	spin_lock(&dir->i_lock);  in put_nfs_open_dir_context()
93 	spin_unlock(&dir->i_lock);  in put_nfs_open_dir_context()
431 bool nfs_use_readdirplus(struct inode *dir, struct dir_context *ctx)  in nfs_use_readdirplus()  argument
433 	if (!nfs_server_capable(dir, NFS_CAP_READDIRPLUS))  in nfs_use_readdirplus()
435 	if (test_and_clear_bit(NFS_INO_ADVISE_RDPLUS, &NFS_I(dir)->flags))  in nfs_use_readdirplus()
448 void nfs_advise_use_readdirplus(struct inode *dir)  in nfs_advise_use_readdirplus()  argument
450 	set_bit(NFS_INO_ADVISE_RDPLUS, &NFS_I(dir)->flags);  in nfs_advise_use_readdirplus()
461 void nfs_force_use_readdirplus(struct inode *dir)  in nfs_force_use_readdirplus()  argument
463 	if (!list_empty(&NFS_I(dir)->open_files)) {  in nfs_force_use_readdirplus()
464 		nfs_advise_use_readdirplus(dir);  in nfs_force_use_readdirplus()
465 		nfs_zap_mapping(dir, dir->i_mapping);  in nfs_force_use_readdirplus()
475 	struct inode *dir = d_inode(parent);  in nfs_prime_dcache()  local
498 			nfs_set_verifier(dentry, nfs_save_change_attribute(dir));  in nfs_prime_dcache()
521 		nfs_set_verifier(alias, nfs_save_change_attribute(dir));  in nfs_prime_dcache()
524 		nfs_set_verifier(dentry, nfs_save_change_attribute(dir));  in nfs_prime_dcache()
858 static bool nfs_dir_mapping_need_revalidate(struct inode *dir)  in nfs_dir_mapping_need_revalidate()  argument
860 	struct nfs_inode *nfsi = NFS_I(dir);  in nfs_dir_mapping_need_revalidate()
862 	if (nfs_attribute_cache_expired(dir))  in nfs_dir_mapping_need_revalidate()
999 void nfs_force_lookup_revalidate(struct inode *dir)  in nfs_force_lookup_revalidate()  argument
1001 	NFS_I(dir)->cache_change_attribute++;  in nfs_force_lookup_revalidate()
1011 static int nfs_check_verifier(struct inode *dir, struct dentry *dentry,  in nfs_check_verifier()  argument
1018 	if (NFS_SERVER(dir)->flags & NFS_MOUNT_LOOKUP_CACHE_NONE)  in nfs_check_verifier()
1020 	if (!nfs_verify_change_attribute(dir, dentry->d_time))  in nfs_check_verifier()
1024 		ret = nfs_revalidate_inode_rcu(NFS_SERVER(dir), dir);  in nfs_check_verifier()
1026 		ret = nfs_revalidate_inode(NFS_SERVER(dir), dir);  in nfs_check_verifier()
1029 	if (!nfs_verify_change_attribute(dir, dentry->d_time))  in nfs_check_verifier()
1038 static int nfs_is_exclusive_create(struct inode *dir, unsigned int flags)  in nfs_is_exclusive_create()  argument
1040 	if (NFS_PROTO(dir)->version == 2)  in nfs_is_exclusive_create()
1090 int nfs_neg_need_reval(struct inode *dir, struct dentry *dentry,  in nfs_neg_need_reval()  argument
1096 	if (NFS_SERVER(dir)->flags & NFS_MOUNT_LOOKUP_CACHE_NONEG)  in nfs_neg_need_reval()
1098 	return !nfs_check_verifier(dir, dentry, flags & LOOKUP_RCU);  in nfs_neg_need_reval()
1114 	struct inode *dir;  in nfs_lookup_revalidate()  local
1124 		dir = d_inode_rcu(parent);  in nfs_lookup_revalidate()
1125 		if (!dir)  in nfs_lookup_revalidate()
1129 		dir = d_inode(parent);  in nfs_lookup_revalidate()
1131 	nfs_inc_stats(dir, NFSIOS_DENTRYREVALIDATE);  in nfs_lookup_revalidate()
1135 		if (nfs_neg_need_reval(dir, dentry, flags)) {  in nfs_lookup_revalidate()
1151 	if (NFS_PROTO(dir)->have_delegation(inode, FMODE_READ))  in nfs_lookup_revalidate()
1155 	if (!nfs_is_exclusive_create(dir, flags) &&  in nfs_lookup_revalidate()
1156 	    nfs_check_verifier(dir, dentry, flags & LOOKUP_RCU)) {  in nfs_lookup_revalidate()
1182 	trace_nfs_lookup_revalidate_enter(dir, dentry, flags);  in nfs_lookup_revalidate()
1183 	error = NFS_PROTO(dir)->lookup(dir, &dentry->d_name, fhandle, fattr, label);  in nfs_lookup_revalidate()
1184 	trace_nfs_lookup_revalidate_exit(dir, dentry, flags, error);  in nfs_lookup_revalidate()
1199 	nfs_set_verifier(dentry, nfs_save_change_attribute(dir));  in nfs_lookup_revalidate()
1202 	nfs_advise_use_readdirplus(dir);  in nfs_lookup_revalidate()
1213 	nfs_zap_caches(dir);  in nfs_lookup_revalidate()
1219 	nfs_mark_for_revalidate(dir);  in nfs_lookup_revalidate()
1358 struct dentry *nfs_lookup(struct inode *dir, struct dentry * dentry, unsigned int flags)  in nfs_lookup()  argument
1369 	nfs_inc_stats(dir, NFSIOS_VFSLOOKUP);  in nfs_lookup()
1372 	if (dentry->d_name.len > NFS_SERVER(dir)->namelen)  in nfs_lookup()
1379 	if (nfs_is_exclusive_create(dir, flags)) {  in nfs_lookup()
1391 	label = nfs4_label_alloc(NFS_SERVER(dir), GFP_NOWAIT);  in nfs_lookup()
1397 	trace_nfs_lookup_enter(dir, dentry, flags);  in nfs_lookup()
1399 	error = NFS_PROTO(dir)->lookup(dir, &dentry->d_name, fhandle, fattr, label);  in nfs_lookup()
1412 	nfs_advise_use_readdirplus(dir);  in nfs_lookup()
1421 	nfs_set_verifier(dentry, nfs_save_change_attribute(dir));  in nfs_lookup()
1424 	trace_nfs_lookup_exit(dir, dentry, flags, error);  in nfs_lookup()
1485 int nfs_atomic_open(struct inode *dir, struct dentry *dentry,  in nfs_atomic_open()  argument
1500 			dir->i_sb->s_id, dir->i_ino, dentry);  in nfs_atomic_open()
1520 	if (dentry->d_name.len > NFS_SERVER(dir)->namelen)  in nfs_atomic_open()
1537 	trace_nfs_atomic_open_enter(dir, ctx, open_flags);  in nfs_atomic_open()
1539 	inode = NFS_PROTO(dir)->open_context(dir, ctx, open_flags, &attr, opened);  in nfs_atomic_open()
1543 		trace_nfs_atomic_open_exit(dir, ctx, open_flags, err);  in nfs_atomic_open()
1549 			nfs_set_verifier(dentry, nfs_save_change_attribute(dir));  in nfs_atomic_open()
1566 	trace_nfs_atomic_open_exit(dir, ctx, open_flags, err);  in nfs_atomic_open()
1572 	res = nfs_lookup(dir, dentry, lookup_flags);  in nfs_atomic_open()
1600 		struct inode *dir;  in nfs4_lookup_revalidate()  local
1604 			dir = d_inode_rcu(parent);  in nfs4_lookup_revalidate()
1605 			if (!dir)  in nfs4_lookup_revalidate()
1609 			dir = d_inode(parent);  in nfs4_lookup_revalidate()
1611 		if (!nfs_neg_need_reval(dir, dentry, flags))  in nfs4_lookup_revalidate()
1649 	struct inode *dir = d_inode(parent);  in nfs_instantiate()  local
1659 		error = NFS_PROTO(dir)->lookup(dir, &dentry->d_name, fhandle, fattr, NULL);  in nfs_instantiate()
1663 	nfs_set_verifier(dentry, nfs_save_change_attribute(dir));  in nfs_instantiate()
1679 	nfs_mark_for_revalidate(dir);  in nfs_instantiate()
1691 int nfs_create(struct inode *dir, struct dentry *dentry,  in nfs_create()  argument
1699 			dir->i_sb->s_id, dir->i_ino, dentry);  in nfs_create()
1704 	trace_nfs_create_enter(dir, dentry, open_flags);  in nfs_create()
1705 	error = NFS_PROTO(dir)->create(dir, dentry, &attr, open_flags);  in nfs_create()
1706 	trace_nfs_create_exit(dir, dentry, open_flags, error);  in nfs_create()
1720 nfs_mknod(struct inode *dir, struct dentry *dentry, umode_t mode, dev_t rdev)  in nfs_mknod()  argument
1726 			dir->i_sb->s_id, dir->i_ino, dentry);  in nfs_mknod()
1734 	trace_nfs_mknod_enter(dir, dentry);  in nfs_mknod()
1735 	status = NFS_PROTO(dir)->mknod(dir, dentry, &attr, rdev);  in nfs_mknod()
1736 	trace_nfs_mknod_exit(dir, dentry, status);  in nfs_mknod()
1749 int nfs_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode)  in nfs_mkdir()  argument
1755 			dir->i_sb->s_id, dir->i_ino, dentry);  in nfs_mkdir()
1760 	trace_nfs_mkdir_enter(dir, dentry);  in nfs_mkdir()
1761 	error = NFS_PROTO(dir)->mkdir(dir, dentry, &attr);  in nfs_mkdir()
1762 	trace_nfs_mkdir_exit(dir, dentry, error);  in nfs_mkdir()
1778 int nfs_rmdir(struct inode *dir, struct dentry *dentry)  in nfs_rmdir()  argument
1783 			dir->i_sb->s_id, dir->i_ino, dentry);  in nfs_rmdir()
1785 	trace_nfs_rmdir_enter(dir, dentry);  in nfs_rmdir()
1788 		error = NFS_PROTO(dir)->rmdir(dir, &dentry->d_name);  in nfs_rmdir()
1798 		error = NFS_PROTO(dir)->rmdir(dir, &dentry->d_name);  in nfs_rmdir()
1799 	trace_nfs_rmdir_exit(dir, dentry, error);  in nfs_rmdir()
1814 	struct inode *dir = d_inode(dentry->d_parent);  in nfs_safe_remove()  local
1826 	trace_nfs_remove_enter(dir, dentry);  in nfs_safe_remove()
1829 		error = NFS_PROTO(dir)->remove(dir, &dentry->d_name);  in nfs_safe_remove()
1833 		error = NFS_PROTO(dir)->remove(dir, &dentry->d_name);  in nfs_safe_remove()
1836 	trace_nfs_remove_exit(dir, dentry, error);  in nfs_safe_remove()
1846 int nfs_unlink(struct inode *dir, struct dentry *dentry)  in nfs_unlink()  argument
1851 	dfprintk(VFS, "NFS: unlink(%s/%lu, %pd)\n", dir->i_sb->s_id,  in nfs_unlink()
1852 		dir->i_ino, dentry);  in nfs_unlink()
1854 	trace_nfs_unlink_enter(dir, dentry);  in nfs_unlink()
1860 		error = nfs_sillyrename(dir, dentry);  in nfs_unlink()
1870 		nfs_set_verifier(dentry, nfs_save_change_attribute(dir));  in nfs_unlink()
1874 	trace_nfs_unlink_exit(dir, dentry, error);  in nfs_unlink()
1894 int nfs_symlink(struct inode *dir, struct dentry *dentry, const char *symname)  in nfs_symlink()  argument
1902 	dfprintk(VFS, "NFS: symlink(%s/%lu, %pd, %s)\n", dir->i_sb->s_id,  in nfs_symlink()
1903 		dir->i_ino, dentry, symname);  in nfs_symlink()
1921 	trace_nfs_symlink_enter(dir, dentry);  in nfs_symlink()
1922 	error = NFS_PROTO(dir)->symlink(dir, dentry, page, pathlen, &attr);  in nfs_symlink()
1923 	trace_nfs_symlink_exit(dir, dentry, error);  in nfs_symlink()
1926 			dir->i_sb->s_id, dir->i_ino,  in nfs_symlink()
1954 nfs_link(struct dentry *old_dentry, struct inode *dir, struct dentry *dentry)  in nfs_link()  argument
1962 	trace_nfs_link_enter(inode, dir, dentry);  in nfs_link()
1966 	error = NFS_PROTO(dir)->link(inode, dir, &dentry->d_name);  in nfs_link()
1971 	trace_nfs_link_exit(inode, dir, dentry, error);  in nfs_link()