7 files changed, 550 insertions, 63 deletions

diff --git a/fs/afs/afs.h b/fs/afs/afs.h
index b94d0edc2b78..a670bca6d3ba 100644
--- a/fs/afs/afs.h
+++ b/fs/afs/afs.h
@@ -67,10 +67,14 @@ typedef enum {
 } afs_callback_type_t;
 
 struct afs_callback {
-	struct afs_fid		fid;		/* file identifier */
-	unsigned		version;	/* callback version */
-	unsigned		expiry;		/* time at which expires */
-	afs_callback_type_t	type;		/* type of callback */
+	unsigned		version;	/* Callback version */
+	unsigned		expiry;		/* Time at which expires */
+	afs_callback_type_t	type;		/* Type of callback */
+};
+
+struct afs_callback_break {
+	struct afs_fid		fid;		/* File identifier */
+	struct afs_callback	cb;		/* Callback details */
 };
 
 #define AFSCBMAX 50	/* maximum callbacks transferred per bulk op */
@@ -123,21 +127,22 @@ typedef u32 afs_access_t;
  * AFS file status information
  */
 struct afs_file_status {
+	u64			size;		/* file size */
+	afs_dataversion_t	data_version;	/* current data version */
+	time_t			mtime_client;	/* last time client changed data */
+	time_t			mtime_server;	/* last time server changed data */
 	unsigned		if_version;	/* interface version */
 #define AFS_FSTATUS_VERSION	1
+	unsigned		abort_code;	/* Abort if bulk-fetching this failed */
 
 	afs_file_type_t		type;		/* file type */
 	unsigned		nlink;		/* link count */
-	u64			size;		/* file size */
-	afs_dataversion_t	data_version;	/* current data version */
 	u32			author;		/* author ID */
 	kuid_t			owner;		/* owner ID */
 	kgid_t			group;		/* group ID */
 	afs_access_t		caller_access;	/* access rights for authenticated caller */
 	afs_access_t		anon_access;	/* access rights for unauthenticated caller */
 	umode_t			mode;		/* UNIX mode */
-	time_t			mtime_client;	/* last time client changed data */
-	time_t			mtime_server;	/* last time server changed data */
 	s32			lock_count;	/* file lock count (0=UNLK -1=WRLCK +ve=#RDLCK */
 };
 
diff --git a/fs/afs/afs_fs.h b/fs/afs/afs_fs.h
index d47b6d01e4c0..ddfa88a7a9c0 100644
--- a/fs/afs/afs_fs.h
+++ b/fs/afs/afs_fs.h
@@ -31,10 +31,12 @@ enum AFS_FS_Operations {
 	FSGETVOLUMEINFO		= 148,	/* AFS Get information about a volume */
 	FSGETVOLUMESTATUS	= 149,	/* AFS Get volume status information */
 	FSGETROOTVOLUME		= 151,	/* AFS Get root volume name */
+	FSBULKSTATUS		= 155,	/* AFS Fetch multiple file statuses */
 	FSSETLOCK		= 156,	/* AFS Request a file lock */
 	FSEXTENDLOCK		= 157,	/* AFS Extend a file lock */
 	FSRELEASELOCK		= 158,	/* AFS Release a file lock */
 	FSLOOKUP		= 161,	/* AFS lookup file in directory */
+	FSINLINEBULKSTATUS	= 65536, /* AFS Fetch multiple file statuses with inline errors */
 	FSFETCHDATA64		= 65537, /* AFS Fetch file data */
 	FSSTOREDATA64		= 65538, /* AFS Store file data */
 	FSGIVEUPALLCALLBACKS	= 65539, /* AFS Give up all outstanding callbacks on a server */
diff --git a/fs/afs/callback.c b/fs/afs/callback.c
index bf082c719645..6049ca837498 100644
--- a/fs/afs/callback.c
+++ b/fs/afs/callback.c
@@ -187,7 +187,7 @@ static void afs_break_one_callback(struct afs_server *server,
  * allow the fileserver to break callback promises
  */
 void afs_break_callbacks(struct afs_server *server, size_t count,
-			 struct afs_callback callbacks[])
+			 struct afs_callback_break *callbacks)
 {
 	_enter("%p,%zu,", server, count);
 
@@ -199,9 +199,9 @@ void afs_break_callbacks(struct afs_server *server, size_t count,
 		       callbacks->fid.vid,
 		       callbacks->fid.vnode,
 		       callbacks->fid.unique,
-		       callbacks->version,
-		       callbacks->expiry,
-		       callbacks->type
+		       callbacks->cb.version,
+		       callbacks->cb.expiry,
+		       callbacks->cb.type
 		       );
 		afs_break_one_callback(server, &callbacks->fid);
 	}
diff --git a/fs/afs/cmservice.c b/fs/afs/cmservice.c
index 83ff283979a4..fa07f83e9f29 100644
--- a/fs/afs/cmservice.c
+++ b/fs/afs/cmservice.c
@@ -178,8 +178,8 @@ static void SRXAFSCB_CallBack(struct work_struct *work)
  */
 static int afs_deliver_cb_callback(struct afs_call *call)
 {
+	struct afs_callback_break *cb;
 	struct sockaddr_rxrpc srx;
-	struct afs_callback *cb;
 	struct afs_server *server;
 	__be32 *bp;
 	int ret, loop;
@@ -218,7 +218,7 @@ static int afs_deliver_cb_callback(struct afs_call *call)
 
 		_debug("unmarshall FID array");
 		call->request = kcalloc(call->count,
-					sizeof(struct afs_callback),
+					sizeof(struct afs_callback_break),
 					GFP_KERNEL);
 		if (!call->request)
 			return -ENOMEM;
@@ -229,7 +229,7 @@ static int afs_deliver_cb_callback(struct afs_call *call)
 			cb->fid.vid	= ntohl(*bp++);
 			cb->fid.vnode	= ntohl(*bp++);
 			cb->fid.unique	= ntohl(*bp++);
-			cb->type	= AFSCM_CB_UNTYPED;
+			cb->cb.type	= AFSCM_CB_UNTYPED;
 		}
 
 		call->offset = 0;
@@ -260,9 +260,9 @@ static int afs_deliver_cb_callback(struct afs_call *call)
 		cb = call->request;
 		bp = call->buffer;
 		for (loop = call->count2; loop > 0; loop--, cb++) {
-			cb->version	= ntohl(*bp++);
-			cb->expiry	= ntohl(*bp++);
-			cb->type	= ntohl(*bp++);
+			cb->cb.version	= ntohl(*bp++);
+			cb->cb.expiry	= ntohl(*bp++);
+			cb->cb.type	= ntohl(*bp++);
 		}
 
 		call->offset = 0;
diff --git a/fs/afs/dir.c b/fs/afs/dir.c
index ba2b458b36d1..27c5231e89e7 100644
--- a/fs/afs/dir.c
+++ b/fs/afs/dir.c
@@ -29,8 +29,10 @@ static int afs_readdir(struct file *file, struct dir_context *ctx);
 static int afs_d_revalidate(struct dentry *dentry, unsigned int flags);
 static int afs_d_delete(const struct dentry *dentry);
 static void afs_d_release(struct dentry *dentry);
-static int afs_lookup_filldir(struct dir_context *ctx, const char *name, int nlen,
+static int afs_lookup_one_filldir(struct dir_context *ctx, const char *name, int nlen,
 				  loff_t fpos, u64 ino, unsigned dtype);
+static int afs_lookup_filldir(struct dir_context *ctx, const char *name, int nlen,
+			      loff_t fpos, u64 ino, unsigned dtype);
 static int afs_create(struct inode *dir, struct dentry *dentry, umode_t mode,
 		      bool excl);
 static int afs_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode);
@@ -134,11 +136,22 @@ struct afs_dir_page {
 	union afs_dir_block blocks[PAGE_SIZE / sizeof(union afs_dir_block)];
 };
 
+struct afs_lookup_one_cookie {
+	struct dir_context	ctx;
+	struct qstr		name;
+	bool			found;
+	struct afs_fid		fid;
+};
+
 struct afs_lookup_cookie {
-	struct dir_context ctx;
-	struct afs_fid	fid;
-	struct qstr name;
-	int		found;
+	struct dir_context	ctx;
+	struct qstr		name;
+	bool			found;
+	bool			one_only;
+	unsigned short		nr_fids;
+	struct afs_file_status	*statuses;
+	struct afs_callback	*callbacks;
+	struct afs_fid		fids[50];
 };
 
 /*
@@ -330,7 +343,8 @@ static int afs_dir_iterate_block(struct dir_context *ctx,
 		/* found the next entry */
 		if (!dir_emit(ctx, dire->u.name, nlen,
 			      ntohl(dire->u.vnode),
-			      ctx->actor == afs_lookup_filldir ?
+			      (ctx->actor == afs_lookup_filldir ||
+			       ctx->actor == afs_lookup_one_filldir)?
 			      ntohl(dire->u.unique) : DT_UNKNOWN)) {
 			_leave(" = 0 [full]");
 			return 0;
@@ -414,15 +428,15 @@ static int afs_readdir(struct file *file, struct dir_context *ctx)
 }
 
 /*
- * search the directory for a name
+ * Search the directory for a single name
  * - if afs_dir_iterate_block() spots this function, it'll pass the FID
  *   uniquifier through dtype
  */
-static int afs_lookup_filldir(struct dir_context *ctx, const char *name,
-			      int nlen, loff_t fpos, u64 ino, unsigned dtype)
+static int afs_lookup_one_filldir(struct dir_context *ctx, const char *name,
+				  int nlen, loff_t fpos, u64 ino, unsigned dtype)
 {
-	struct afs_lookup_cookie *cookie =
-		container_of(ctx, struct afs_lookup_cookie, ctx);
+	struct afs_lookup_one_cookie *cookie =
+		container_of(ctx, struct afs_lookup_one_cookie, ctx);
 
 	_enter("{%s,%u},%s,%u,,%llu,%u",
 	       cookie->name.name, cookie->name.len, name, nlen,
@@ -447,15 +461,15 @@ static int afs_lookup_filldir(struct dir_context *ctx, const char *name,
 }
 
 /*
- * do a lookup in a directory
+ * Do a lookup of a single name in a directory
  * - just returns the FID the dentry name maps to if found
  */
-static int afs_do_lookup(struct inode *dir, struct dentry *dentry,
-			 struct afs_fid *fid, struct key *key)
+static int afs_do_lookup_one(struct inode *dir, struct dentry *dentry,
+			     struct afs_fid *fid, struct key *key)
 {
 	struct afs_super_info *as = dir->i_sb->s_fs_info;
-	struct afs_lookup_cookie cookie = {
-		.ctx.actor = afs_lookup_filldir,
+	struct afs_lookup_one_cookie cookie = {
+		.ctx.actor = afs_lookup_one_filldir,
 		.name = dentry->d_name,
 		.fid.vid = as->volume->vid
 	};
@@ -482,6 +496,212 @@ static int afs_do_lookup(struct inode *dir, struct dentry *dentry,
 }
 
 /*
+ * search the directory for a name
+ * - if afs_dir_iterate_block() spots this function, it'll pass the FID
+ *   uniquifier through dtype
+ */
+static int afs_lookup_filldir(struct dir_context *ctx, const char *name,
+			      int nlen, loff_t fpos, u64 ino, unsigned dtype)
+{
+	struct afs_lookup_cookie *cookie =
+		container_of(ctx, struct afs_lookup_cookie, ctx);
+	int ret;
+
+	_enter("{%s,%u},%s,%u,,%llu,%u",
+	       cookie->name.name, cookie->name.len, name, nlen,
+	       (unsigned long long) ino, dtype);
+
+	/* insanity checks first */
+	BUILD_BUG_ON(sizeof(union afs_dir_block) != 2048);
+	BUILD_BUG_ON(sizeof(union afs_dirent) != 32);
+
+	if (cookie->found) {
+		if (cookie->nr_fids < 50) {
+			cookie->fids[cookie->nr_fids].vnode	= ino;
+			cookie->fids[cookie->nr_fids].unique	= dtype;
+			cookie->nr_fids++;
+		}
+	} else if (cookie->name.len == nlen &&
+		   memcmp(cookie->name.name, name, nlen) == 0) {
+		cookie->fids[0].vnode	= ino;
+		cookie->fids[0].unique	= dtype;
+		cookie->found = 1;
+		if (cookie->one_only)
+			return -1;
+	}
+
+	ret = cookie->nr_fids >= 50 ? -1 : 0;
+	_leave(" = %d", ret);
+	return ret;
+}
+
+/*
+ * Do a lookup in a directory.  We make use of bulk lookup to query a slew of
+ * files in one go and create inodes for them.  The inode of the file we were
+ * asked for is returned.
+ */
+static struct inode *afs_do_lookup(struct inode *dir, struct dentry *dentry,
+				   struct key *key)
+{
+	struct afs_lookup_cookie *cookie;
+	struct afs_cb_interest *cbi = NULL;
+	struct afs_super_info *as = dir->i_sb->s_fs_info;
+	struct afs_iget_data data;
+	struct afs_fs_cursor fc;
+	struct afs_vnode *dvnode = AFS_FS_I(dir);
+	struct inode *inode = NULL;
+	int ret, i;
+
+	_enter("{%lu},%p{%pd},", dir->i_ino, dentry, dentry);
+
+	cookie = kzalloc(sizeof(struct afs_lookup_cookie), GFP_KERNEL);
+	if (!cookie)
+		return ERR_PTR(-ENOMEM);
+
+	cookie->ctx.actor = afs_lookup_filldir;
+	cookie->name = dentry->d_name;
+	cookie->nr_fids = 1; /* slot 0 is saved for the fid we actually want */
+
+	read_seqlock_excl(&dvnode->cb_lock);
+	if (dvnode->cb_interest &&
+	    dvnode->cb_interest->server &&
+	    test_bit(AFS_SERVER_FL_NO_IBULK, &dvnode->cb_interest->server->flags))
+		cookie->one_only = true;
+	read_sequnlock_excl(&dvnode->cb_lock);
+
+	for (i = 0; i < 50; i++)
+		cookie->fids[i].vid = as->volume->vid;
+
+	/* search the directory */
+	ret = afs_dir_iterate(dir, &cookie->ctx, key);
+	if (ret < 0) {
+		inode = ERR_PTR(ret);
+		goto out;
+	}
+
+	inode = ERR_PTR(-ENOENT);
+	if (!cookie->found)
+		goto out;
+
+	/* Check to see if we already have an inode for the primary fid. */
+	data.volume = dvnode->volume;
+	data.fid = cookie->fids[0];
+	inode = ilookup5(dir->i_sb, cookie->fids[0].vnode, afs_iget5_test, &data);
+	if (inode)
+		goto out;
+
+	/* Need space for examining all the selected files */
+	inode = ERR_PTR(-ENOMEM);
+	cookie->statuses = kcalloc(cookie->nr_fids, sizeof(struct afs_file_status),
+				   GFP_KERNEL);
+	if (!cookie->statuses)
+		goto out;
+
+	cookie->callbacks = kcalloc(cookie->nr_fids, sizeof(struct afs_callback),
+				    GFP_KERNEL);
+	if (!cookie->callbacks)
+		goto out_s;
+
+	/* Try FS.InlineBulkStatus first.  Abort codes for the individual
+	 * lookups contained therein are stored in the reply without aborting
+	 * the whole operation.
+	 */
+	if (cookie->one_only)
+		goto no_inline_bulk_status;
+
+	inode = ERR_PTR(-ERESTARTSYS);
+	if (afs_begin_vnode_operation(&fc, dvnode, key)) {
+		while (afs_select_fileserver(&fc)) {
+			if (test_bit(AFS_SERVER_FL_NO_IBULK,
+				      &fc.cbi->server->flags)) {
+				fc.ac.abort_code = RX_INVALID_OPERATION;
+				fc.ac.error = -ECONNABORTED;
+				break;
+			}
+			afs_fs_inline_bulk_status(&fc,
+						  afs_v2net(dvnode),
+						  cookie->fids,
+						  cookie->statuses,
+						  cookie->callbacks,
+						  cookie->nr_fids, NULL);
+		}
+
+		if (fc.ac.error == 0)
+			cbi = afs_get_cb_interest(fc.cbi);
+		if (fc.ac.abort_code == RX_INVALID_OPERATION)
+			set_bit(AFS_SERVER_FL_NO_IBULK, &fc.cbi->server->flags);
+		inode = ERR_PTR(afs_end_vnode_operation(&fc));
+	}
+
+	if (!IS_ERR(inode))
+		goto success;
+	if (fc.ac.abort_code != RX_INVALID_OPERATION)
+		goto out_c;
+
+no_inline_bulk_status:
+	/* We could try FS.BulkStatus next, but this aborts the entire op if
+	 * any of the lookups fails - so, for the moment, revert to
+	 * FS.FetchStatus for just the primary fid.
+	 */
+	cookie->nr_fids = 1;
+	inode = ERR_PTR(-ERESTARTSYS);
+	if (afs_begin_vnode_operation(&fc, dvnode, key)) {
+		while (afs_select_fileserver(&fc)) {
+			afs_fs_fetch_status(&fc,
+					    afs_v2net(dvnode),
+					    cookie->fids,
+					    cookie->statuses,
+					    cookie->callbacks,
+					    NULL);
+		}
+
+		if (fc.ac.error == 0)
+			cbi = afs_get_cb_interest(fc.cbi);
+		inode = ERR_PTR(afs_end_vnode_operation(&fc));
+	}
+
+	if (IS_ERR(inode))
+		goto out_c;
+
+	for (i = 0; i < cookie->nr_fids; i++)
+		cookie->statuses[i].abort_code = 0;
+
+success:
+	/* Turn all the files into inodes and save the first one - which is the
+	 * one we actually want.
+	 */
+	if (cookie->statuses[0].abort_code != 0)
+		inode = ERR_PTR(afs_abort_to_error(cookie->statuses[0].abort_code));
+
+	for (i = 0; i < cookie->nr_fids; i++) {
+		struct inode *ti;
+
+		if (cookie->statuses[i].abort_code != 0)
+			continue;
+
+		ti = afs_iget(dir->i_sb, key, &cookie->fids[i],
+			      &cookie->statuses[i],
+			      &cookie->callbacks[i],
+			      cbi);
+		if (i == 0) {
+			inode = ti;
+		} else {
+			if (!IS_ERR(ti))
+				iput(ti);
+		}
+	}
+
+out_c:
+	afs_put_cb_interest(afs_v2net(dvnode), cbi);
+	kfree(cookie->callbacks);
+out_s:
+	kfree(cookie->statuses);
+out:
+	kfree(cookie);
+	return inode;
+}
+
+/*
  * Probe to see if a cell may exist.  This prevents positive dentries from
  * being created unnecessarily.
  */
@@ -516,8 +736,7 @@ static int afs_probe_cell_name(struct dentry *dentry)
  * Try to auto mount the mountpoint with pseudo directory, if the autocell
  * operation is setted.
  */
-static struct inode *afs_try_auto_mntpt(struct dentry *dentry,
-					struct inode *dir, struct afs_fid *fid)
+static struct inode *afs_try_auto_mntpt(struct dentry *dentry, struct inode *dir)
 {
 	struct afs_vnode *vnode = AFS_FS_I(dir);
 	struct inode *inode;
@@ -539,7 +758,6 @@ static struct inode *afs_try_auto_mntpt(struct dentry *dentry,
 		goto out;
 	}
 
-	*fid = AFS_FS_I(inode)->fid;
 	_leave("= %p", inode);
 	return inode;
 
@@ -554,16 +772,13 @@ out:
 static struct dentry *afs_lookup(struct inode *dir, struct dentry *dentry,
 				 unsigned int flags)
 {
-	struct afs_vnode *vnode;
-	struct afs_fid fid;
+	struct afs_vnode *dvnode = AFS_FS_I(dir);
 	struct inode *inode;
 	struct key *key;
 	int ret;
 
-	vnode = AFS_FS_I(dir);
-
 	_enter("{%x:%u},%p{%pd},",
-	       vnode->fid.vid, vnode->fid.vnode, dentry, dentry);
+	       dvnode->fid.vid, dvnode->fid.vnode, dentry, dentry);
 
 	ASSERTCMP(d_inode(dentry), ==, NULL);
 
@@ -572,28 +787,29 @@ static struct dentry *afs_lookup(struct inode *dir, struct dentry *dentry,
 		return ERR_PTR(-ENAMETOOLONG);
 	}
 
-	if (test_bit(AFS_VNODE_DELETED, &vnode->flags)) {
+	if (test_bit(AFS_VNODE_DELETED, &dvnode->flags)) {
 		_leave(" = -ESTALE");
 		return ERR_PTR(-ESTALE);
 	}
 
-	key = afs_request_key(vnode->volume->cell);
+	key = afs_request_key(dvnode->volume->cell);
 	if (IS_ERR(key)) {
 		_leave(" = %ld [key]", PTR_ERR(key));
 		return ERR_CAST(key);
 	}
 
-	ret = afs_validate(vnode, key);
+	ret = afs_validate(dvnode, key);
 	if (ret < 0) {
 		key_put(key);
 		_leave(" = %d [val]", ret);
 		return ERR_PTR(ret);
 	}
 
-	ret = afs_do_lookup(dir, dentry, &fid, key);
-	if (ret < 0) {
+	inode = afs_do_lookup(dir, dentry, key);
+	if (IS_ERR(inode)) {
+		ret = PTR_ERR(inode);
 		if (ret == -ENOENT) {
-			inode = afs_try_auto_mntpt(dentry, dir, &fid);
+			inode = afs_try_auto_mntpt(dentry, dir);
 			if (!IS_ERR(inode)) {
 				key_put(key);
 				goto success;
@@ -611,10 +827,9 @@ static struct dentry *afs_lookup(struct inode *dir, struct dentry *dentry,
 		_leave(" = %d [do]", ret);
 		return ERR_PTR(ret);
 	}
-	dentry->d_fsdata = (void *)(unsigned long) vnode->status.data_version;
+	dentry->d_fsdata = (void *)(unsigned long)dvnode->status.data_version;
 
 	/* instantiate the dentry */
-	inode = afs_iget(dir->i_sb, key, &fid, NULL, NULL, NULL);
 	key_put(key);
 	if (IS_ERR(inode)) {
 		_leave(" = %ld", PTR_ERR(inode));
@@ -623,9 +838,7 @@ static struct dentry *afs_lookup(struct inode *dir, struct dentry *dentry,
 
 success:
 	d_add(dentry, inode);
-	_leave(" = 0 { vn=%u u=%u } -> { ino=%lu v=%u }",
-	       fid.vnode,
-	       fid.unique,
+	_leave(" = 0 { ino=%lu v=%u }",
 	       d_inode(dentry)->i_ino,
 	       d_inode(dentry)->i_generation);
 
@@ -639,7 +852,6 @@ static struct dentry *afs_dynroot_lookup(struct inode *dir, struct dentry *dentr
 					 unsigned int flags)
 {
 	struct afs_vnode *vnode;
-	struct afs_fid fid;
 	struct inode *inode;
 	int ret;
 
@@ -654,7 +866,7 @@ static struct dentry *afs_dynroot_lookup(struct inode *dir, struct dentry *dentr
 		return ERR_PTR(-ENAMETOOLONG);
 	}
 
-	inode = afs_try_auto_mntpt(dentry, dir, &fid);
+	inode = afs_try_auto_mntpt(dentry, dir);
 	if (IS_ERR(inode)) {
 		ret = PTR_ERR(inode);
 		if (ret == -ENOENT) {
@@ -736,7 +948,7 @@ static int afs_d_revalidate(struct dentry *dentry, unsigned int flags)
 	_debug("dir modified");
 
 	/* search the directory for this vnode */
-	ret = afs_do_lookup(&dir->vfs_inode, dentry, &fid, key);
+	ret = afs_do_lookup_one(&dir->vfs_inode, dentry, &fid, key);
 	switch (ret) {
 	case 0:
 		/* the filename maps to something */
diff --git a/fs/afs/fsclient.c b/fs/afs/fsclient.c
index 88ec38c2d83c..75554ee98d02 100644
--- a/fs/afs/fsclient.c
+++ b/fs/afs/fsclient.c
@@ -94,7 +94,7 @@ static void xdr_decode_AFSFetchStatus(const __be32 **_bp,
 	data_version |= (u64) ntohl(*bp++) << 32;
 	EXTRACT(status->lock_count);
 	size |= (u64) ntohl(*bp++) << 32;
-	bp++; /* spare 4 */
+	EXTRACT(status->abort_code); /* spare 4 */
 	*_bp = bp;
 
 	if (size != status->size) {
@@ -274,7 +274,7 @@ static void xdr_decode_AFSFetchVolumeStatus(const __be32 **_bp,
 /*
  * deliver reply data to an FS.FetchStatus
  */
-static int afs_deliver_fs_fetch_status(struct afs_call *call)
+static int afs_deliver_fs_fetch_status_vnode(struct afs_call *call)
 {
 	struct afs_vnode *vnode = call->reply[0];
 	const __be32 *bp;
@@ -300,10 +300,10 @@ static int afs_deliver_fs_fetch_status(struct afs_call *call)
 /*
  * FS.FetchStatus operation type
  */
-static const struct afs_call_type afs_RXFSFetchStatus = {
-	.name		= "FS.FetchStatus",
+static const struct afs_call_type afs_RXFSFetchStatus_vnode = {
+	.name		= "FS.FetchStatus(vnode)",
 	.op		= afs_FS_FetchStatus,
-	.deliver	= afs_deliver_fs_fetch_status,
+	.deliver	= afs_deliver_fs_fetch_status_vnode,
 	.destructor	= afs_flat_call_destructor,
 };
 
@@ -320,7 +320,8 @@ int afs_fs_fetch_file_status(struct afs_fs_cursor *fc, struct afs_volsync *volsy
 	_enter(",%x,{%x:%u},,",
 	       key_serial(fc->key), vnode->fid.vid, vnode->fid.vnode);
 
-	call = afs_alloc_flat_call(net, &afs_RXFSFetchStatus, 16, (21 + 3 + 6) * 4);
+	call = afs_alloc_flat_call(net, &afs_RXFSFetchStatus_vnode,
+				   16, (21 + 3 + 6) * 4);
 	if (!call) {
 		fc->ac.error = -ENOMEM;
 		return -ENOMEM;
@@ -1947,3 +1948,262 @@ int afs_fs_get_capabilities(struct afs_net *net,
 	trace_afs_make_fs_call(call, NULL);
 	return afs_make_call(ac, call, GFP_NOFS, false);
 }
+
+/*
+ * Deliver reply data to an FS.FetchStatus with no vnode.
+ */
+static int afs_deliver_fs_fetch_status(struct afs_call *call)
+{
+	struct afs_file_status *status = call->reply[1];
+	struct afs_callback *callback = call->reply[2];
+	struct afs_volsync *volsync = call->reply[3];
+	struct afs_vnode *vnode = call->reply[0];
+	const __be32 *bp;
+	int ret;
+
+	ret = afs_transfer_reply(call);
+	if (ret < 0)
+		return ret;
+
+	_enter("{%x:%u}", vnode->fid.vid, vnode->fid.vnode);
+
+	/* unmarshall the reply once we've received all of it */
+	bp = call->buffer;
+	xdr_decode_AFSFetchStatus(&bp, status, vnode, NULL);
+	callback[call->count].version	= ntohl(bp[0]);
+	callback[call->count].expiry	= ntohl(bp[1]);
+	callback[call->count].type	= ntohl(bp[2]);
+	if (vnode)
+		xdr_decode_AFSCallBack(call, vnode, &bp);
+	else
+		bp += 3;
+	if (volsync)
+		xdr_decode_AFSVolSync(&bp, volsync);
+
+	_leave(" = 0 [done]");
+	return 0;
+}
+
+/*
+ * FS.FetchStatus operation type
+ */
+static const struct afs_call_type afs_RXFSFetchStatus = {
+	.name		= "FS.FetchStatus",
+	.op		= afs_FS_FetchStatus,
+	.deliver	= afs_deliver_fs_fetch_status,
+	.destructor	= afs_flat_call_destructor,
+};
+
+/*
+ * Fetch the status information for a fid without needing a vnode handle.
+ */
+int afs_fs_fetch_status(struct afs_fs_cursor *fc,
+			struct afs_net *net,
+			struct afs_fid *fid,
+			struct afs_file_status *status,
+			struct afs_callback *callback,
+			struct afs_volsync *volsync)
+{
+	struct afs_call *call;
+	__be32 *bp;
+
+	_enter(",%x,{%x:%u},,",
+	       key_serial(fc->key), fid->vid, fid->vnode);
+
+	call = afs_alloc_flat_call(net, &afs_RXFSFetchStatus, 16, (21 + 3 + 6) * 4);
+	if (!call) {
+		fc->ac.error = -ENOMEM;
+		return -ENOMEM;
+	}
+
+	call->key = fc->key;
+	call->reply[0] = NULL; /* vnode for fid[0] */
+	call->reply[1] = status;
+	call->reply[2] = callback;
+	call->reply[3] = volsync;
+
+	/* marshall the parameters */
+	bp = call->request;
+	bp[0] = htonl(FSFETCHSTATUS);
+	bp[1] = htonl(fid->vid);
+	bp[2] = htonl(fid->vnode);
+	bp[3] = htonl(fid->unique);
+
+	call->cb_break = fc->cb_break;
+	afs_use_fs_server(call, fc->cbi);
+	trace_afs_make_fs_call(call, fid);
+	return afs_make_call(&fc->ac, call, GFP_NOFS, false);
+}
+
+/*
+ * Deliver reply data to an FS.InlineBulkStatus call
+ */
+static int afs_deliver_fs_inline_bulk_status(struct afs_call *call)
+{
+	struct afs_file_status *statuses;
+	struct afs_callback *callbacks;
+	struct afs_vnode *vnode = call->reply[0];
+	const __be32 *bp;
+	u32 tmp;
+	int ret;
+
+	_enter("{%u}", call->unmarshall);
+
+	switch (call->unmarshall) {
+	case 0:
+		call->offset = 0;
+		call->unmarshall++;
+
+		/* Extract the file status count and array in two steps */
+	case 1:
+		_debug("extract status count");
+		ret = afs_extract_data(call, &call->tmp, 4, true);
+		if (ret < 0)
+			return ret;
+
+		tmp = ntohl(call->tmp);
+		_debug("status count: %u/%u", tmp, call->count2);
+		if (tmp != call->count2)
+			return -EBADMSG;
+
+		call->count = 0;
+		call->unmarshall++;
+	more_counts:
+		call->offset = 0;
+
+	case 2:
+		_debug("extract status array %u", call->count);
+		ret = afs_extract_data(call, call->buffer, 21 * 4, true);
+		if (ret < 0)
+			return ret;
+
+		bp = call->buffer;
+		statuses = call->reply[1];
+		xdr_decode_AFSFetchStatus(&bp, &statuses[call->count],
+					  call->count == 0 ? vnode : NULL,
+					  NULL);
+
+		call->count++;
+		if (call->count < call->count2)
+			goto more_counts;
+
+		call->count = 0;
+		call->unmarshall++;
+		call->offset = 0;
+
+		/* Extract the callback count and array in two steps */
+	case 3:
+		_debug("extract CB count");
+		ret = afs_extract_data(call, &call->tmp, 4, true);
+		if (ret < 0)
+			return ret;
+
+		tmp = ntohl(call->tmp);
+		_debug("CB count: %u", tmp);
+		if (tmp != call->count2)
+			return -EBADMSG;
+		call->count = 0;
+		call->unmarshall++;
+	more_cbs:
+		call->offset = 0;
+
+	case 4:
+		_debug("extract CB array");
+		ret = afs_extract_data(call, call->buffer, 3 * 4, true);
+		if (ret < 0)
+			return ret;
+
+		_debug("unmarshall CB array");
+		bp = call->buffer;
+		callbacks = call->reply[2];
+		callbacks[call->count].version	= ntohl(bp[0]);
+		callbacks[call->count].expiry	= ntohl(bp[1]);
+		callbacks[call->count].type	= ntohl(bp[2]);
+		statuses = call->reply[1];
+		if (call->count == 0 && vnode && statuses[0].abort_code == 0)
+			xdr_decode_AFSCallBack(call, vnode, &bp);
+		call->count++;
+		if (call->count < call->count2)
+			goto more_cbs;
+
+		call->offset = 0;
+		call->unmarshall++;
+
+	case 5:
+		ret = afs_extract_data(call, call->buffer, 6 * 4, false);
+		if (ret < 0)
+			return ret;
+
+		bp = call->buffer;
+		if (call->reply[3])
+			xdr_decode_AFSVolSync(&bp, call->reply[3]);
+
+		call->offset = 0;
+		call->unmarshall++;
+
+	case 6:
+		break;
+	}
+
+	_leave(" = 0 [done]");
+	return 0;
+}
+
+/*
+ * FS.InlineBulkStatus operation type
+ */
+static const struct afs_call_type afs_RXFSInlineBulkStatus = {
+	.name		= "FS.InlineBulkStatus",
+	.op		= afs_FS_InlineBulkStatus,
+	.deliver	= afs_deliver_fs_inline_bulk_status,
+	.destructor	= afs_flat_call_destructor,
+};
+
+/*
+ * Fetch the status information for up to 50 files
+ */
+int afs_fs_inline_bulk_status(struct afs_fs_cursor *fc,
+			      struct afs_net *net,
+			      struct afs_fid *fids,
+			      struct afs_file_status *statuses,
+			      struct afs_callback *callbacks,
+			      unsigned int nr_fids,
+			      struct afs_volsync *volsync)
+{
+	struct afs_call *call;
+	__be32 *bp;
+	int i;
+
+	_enter(",%x,{%x:%u},%u",
+	       key_serial(fc->key), fids[0].vid, fids[1].vnode, nr_fids);
+
+	call = afs_alloc_flat_call(net, &afs_RXFSInlineBulkStatus,
+				   (2 + nr_fids * 3) * 4,
+				   21 * 4);
+	if (!call) {
+		fc->ac.error = -ENOMEM;
+		return -ENOMEM;
+	}
+
+	call->key = fc->key;
+	call->reply[0] = NULL; /* vnode for fid[0] */
+	call->reply[1] = statuses;
+	call->reply[2] = callbacks;
+	call->reply[3] = volsync;
+	call->count2 = nr_fids;
+
+	/* marshall the parameters */
+	bp = call->request;
+	*bp++ = htonl(FSINLINEBULKSTATUS);
+	*bp++ = htonl(nr_fids);
+	for (i = 0; i < nr_fids; i++) {
+		*bp++ = htonl(fids[i].vid);
+		*bp++ = htonl(fids[i].vnode);
+		*bp++ = htonl(fids[i].unique);
+	}
+
+	call->cb_break = fc->cb_break;
+	afs_use_fs_server(call, fc->cbi);
+	trace_afs_make_fs_call(call, &fids[0]);
+	return afs_make_call(&fc->ac, call, GFP_NOFS, false);
+}
diff --git a/fs/afs/internal.h b/fs/afs/internal.h
index 135192b7dc04..55b07e818400 100644
--- a/fs/afs/internal.h
+++ b/fs/afs/internal.h
@@ -363,6 +363,7 @@ struct afs_server {
 #define AFS_SERVER_FL_UPDATING	4
 #define AFS_SERVER_FL_PROBED	5		/* The fileserver has been probed */
 #define AFS_SERVER_FL_PROBING	6		/* Fileserver is being probed */
+#define AFS_SERVER_FL_NO_IBULK	7		/* Fileserver doesn't support FS.InlineBulkStatus */
 	atomic_t		usage;
 	u32			addr_version;	/* Address list version */
 
@@ -611,7 +612,7 @@ extern struct fscache_cookie_def afs_vnode_cache_index_def;
  */
 extern void afs_init_callback_state(struct afs_server *);
 extern void afs_break_callback(struct afs_vnode *);
-extern void afs_break_callbacks(struct afs_server *, size_t,struct afs_callback[]);
+extern void afs_break_callbacks(struct afs_server *, size_t, struct afs_callback_break*);
 
 extern int afs_register_server_cb_interest(struct afs_vnode *, struct afs_server_entry *);
 extern void afs_put_cb_interest(struct afs_net *, struct afs_cb_interest *);
@@ -702,6 +703,13 @@ extern int afs_fs_give_up_all_callbacks(struct afs_net *, struct afs_server *,
 					struct afs_addr_cursor *, struct key *);
 extern int afs_fs_get_capabilities(struct afs_net *, struct afs_server *,
 				   struct afs_addr_cursor *, struct key *);
+extern int afs_fs_inline_bulk_status(struct afs_fs_cursor *, struct afs_net *,
+				     struct afs_fid *, struct afs_file_status *,
+				     struct afs_callback *, unsigned int,
+				     struct afs_volsync *);
+extern int afs_fs_fetch_status(struct afs_fs_cursor *, struct afs_net *,
+			       struct afs_fid *, struct afs_file_status *,
+			       struct afs_callback *, struct afs_volsync *);
 
 /*
  * inode.c