Merge branch 'for-linus-2' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs

be5e6616 · Linus Torvalds <[email protected]> · 2015-02-22 17:42:14 -08:00

Pull more vfs updates from Al Viro:
 "Assorted stuff from this cycle.  The big ones here are multilayer
  overlayfs from Miklos and beginning of sorting ->d_inode accesses out
  from David"

* 'for-linus-2' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: (51 commits)
  autofs4 copy_dev_ioctl(): keep the value of ->size we'd used for allocation
  procfs: fix race between symlink removals and traversals
  debugfs: leave freeing a symlink body until inode eviction
  Documentation/filesystems/Locking: ->get_sb() is long gone
  trylock_super(): replacement for grab_super_passive()
  fanotify: Fix up scripted S_ISDIR/S_ISREG/S_ISLNK conversions
  Cachefiles: Fix up scripted S_ISDIR/S_ISREG/S_ISLNK conversions
  VFS: (Scripted) Convert S_ISLNK/DIR/REG(dentry->d_inode) to d_is_*(dentry)
  SELinux: Use d_is_positive() rather than testing dentry->d_inode
  Smack: Use d_is_positive() rather than testing dentry->d_inode
  TOMOYO: Use d_is_dir() rather than d_inode and S_ISDIR()
  Apparmor: Use d_is_positive/negative() rather than testing dentry->d_inode
  Apparmor: mediated_filesystem() should use dentry->d_sb not inode->i_sb
  VFS: Split DCACHE_FILE_TYPE into regular and special types
  VFS: Add a fallthrough flag for marking virtual dentries
  VFS: Add a whiteout dentry type
  VFS: Introduce inode-getting helpers for layered/unioned fs environments
  Infiniband: Fix potential NULL d_inode dereference
  posix_acl: fix reference leaks in posix_acl_create
  autofs4: Wrong format for printing dentry
  ...

Commit: be5e6616dd74e17fdd8e16ca015cfef94d49b467
Parents: 90c453ca · 0a280962

Merge commit. Changes below are compared with the first parent: 90c453ca.

Changes

70 files changed · +907 −758

File	Status	Add	Del	Content
Documentation/filesystems/Locking	modified	+0	−2	View file
Documentation/filesystems/overlayfs.txt	modified	+28	−0	View file
arch/s390/hypfs/inode.c	modified	+25	−28	View file
drivers/infiniband/hw/ipath/ipath_fs.c	modified	+1	−1	View file
drivers/infiniband/hw/qib/qib_fs.c	modified	+1	−1	View file
drivers/staging/lustre/lustre/llite/dcache.c	modified	+5	−7	View file
drivers/staging/lustre/lustre/llite/file.c	modified	+4	−4	View file
drivers/staging/lustre/lustre/llite/llite_internal.h	modified	+2	−2	View file
drivers/staging/lustre/lustre/llite/namei.c	modified	+7	−5	View file
fs/9p/vfs_inode.c	modified	+1	−1	View file
fs/aio.c	modified	+3	−3	View file
fs/autofs4/dev-ioctl.c	modified	+6	−2	View file
fs/autofs4/expire.c	modified	+1	−1	View file
fs/autofs4/root.c	modified	+3	−3	View file
fs/bad_inode.c	modified	+0	−147	View file
fs/btrfs/ioctl.c	modified	+2	−2	View file
fs/cachefiles/daemon.c	modified	+2	−2	View file
fs/cachefiles/interface.c	modified	+2	−2	View file
fs/cachefiles/namei.c	modified	+8	−8	View file
fs/cachefiles/rdwr.c	modified	+1	−1	View file
fs/ceph/dir.c	modified	+1	−1	View file
fs/ceph/file.c	modified	+1	−1	View file
fs/coda/dir.c	modified	+1	−1	View file
fs/configfs/configfs_internal.h	modified	+1	−2	View file
fs/configfs/dir.c	modified	+32	−40	View file
fs/configfs/file.c	modified	+10	−18	View file
fs/configfs/inode.c	modified	+3	−9	View file
fs/coredump.c	modified	+1	−1	View file
fs/dcache.c	modified	+31	−6	View file
fs/debugfs/inode.c	modified	+18	−18	View file
fs/ecryptfs/file.c	modified	+1	−1	View file
fs/ecryptfs/inode.c	modified	+2	−2	View file
fs/exportfs/expfs.c	modified	+1	−1	View file
fs/fs-writeback.c	modified	+3	−3	View file
fs/fuse/dir.c	modified	+1	−1	View file
fs/gfs2/dir.c	modified	+1	−1	View file
fs/hfsplus/dir.c	modified	+1	−1	View file
fs/hppfs/hppfs.c	modified	+2	−2	View file
fs/internal.h	modified	+1	−1	View file
fs/jffs2/dir.c	modified	+7	−7	View file
fs/jffs2/super.c	modified	+1	−1	View file
fs/libfs.c	modified	+1	−1	View file
fs/namei.c	modified	+1	−1	View file
fs/namespace.c	modified	+5	−5	View file
fs/nfsd/nfs4recover.c	modified	+2	−2	View file
fs/nfsd/nfsfh.c	modified	+4	−4	View file
fs/nfsd/vfs.c	modified	+4	−4	View file
fs/notify/fanotify/fanotify.c	modified	+3	−3	View file
fs/overlayfs/copy_up.c	modified	+2	−3	View file
fs/overlayfs/dir.c	modified	+17	−17	View file
fs/overlayfs/inode.c	modified	+7	−5	View file
fs/overlayfs/overlayfs.h	modified	+13	−5	View file
fs/overlayfs/readdir.c	modified	+75	−106	View file
fs/overlayfs/super.c	modified	+378	−186	View file
fs/posix_acl.c	modified	+11	−7	View file
fs/proc/generic.c	modified	+0	−12	View file
fs/proc/inode.c	modified	+21	−0	View file
fs/proc/internal.h	modified	+1	−0	View file
fs/reiserfs/xattr.c	modified	+2	−2	View file
fs/super.c	modified	+18	−22	View file
fs/xfs/xfs_ioctl.c	modified	+1	−1	View file
include/linux/dcache.h	modified	+96	−7	View file
mm/shmem.c	modified	+2	−2	View file
security/apparmor/include/apparmor.h	modified	+2	−2	View file
security/apparmor/lsm.c	modified	+10	−10	View file
security/apparmor/path.c	modified	+1	−1	View file
security/inode.c	modified	+1	−1	View file
security/selinux/hooks.c	modified	+4	−4	View file
security/smack/smack_lsm.c	modified	+2	−2	View file
security/tomoyo/file.c	modified	+1	−3	View file

Only the first 600 diff lines are shown. Download the complete patch.

Documentation/filesystems/Locking

View file

diff --git a/Documentation/filesystems/Locking b/Documentation/filesystems/Locking
index 2ca3d17..f91926f 100644
--- a/Documentation/filesystems/Locking
+++ b/Documentation/filesystems/Locking
@@ -164,8 +164,6 @@ the block device inode.  See there for more details.
 
 --------------------------- file_system_type ---------------------------
 prototypes:
-	int (*get_sb) (struct file_system_type *, int,
-		       const char *, void *, struct vfsmount *);
 	struct dentry *(*mount) (struct file_system_type *, int,
 		       const char *, void *);
 	void (*kill_sb) (struct super_block *);

Documentation/filesystems/overlayfs.txt

View file

diff --git a/Documentation/filesystems/overlayfs.txt b/Documentation/filesystems/overlayfs.txt
index a27c950..6db0e5d 100644
--- a/Documentation/filesystems/overlayfs.txt
+++ b/Documentation/filesystems/overlayfs.txt
@@ -159,6 +159,22 @@ overlay filesystem (though an operation on the name of the file such as
 rename or unlink will of course be noticed and handled).
 
 
+Multiple lower layers
+---------------------
+
+Multiple lower layers can now be given using the the colon (":") as a
+separator character between the directory names.  For example:
+
+  mount -t overlay overlay -olowerdir=/lower1:/lower2:/lower3 /merged
+
+As the example shows, "upperdir=" and "workdir=" may be omitted.  In
+that case the overlay will be read-only.
+
+The specified lower directories will be stacked beginning from the
+rightmost one and going left.  In the above example lower1 will be the
+top, lower2 the middle and lower3 the bottom layer.
+
+
 Non-standard behavior
 ---------------------
 
@@ -196,3 +212,15 @@ Changes to the underlying filesystems while part of a mounted overlay
 filesystem are not allowed.  If the underlying filesystem is changed,
 the behavior of the overlay is undefined, though it will not result in
 a crash or deadlock.
+
+Testsuite
+---------
+
+There's testsuite developed by David Howells at:
+
+  git://git.infradead.org/users/dhowells/unionmount-testsuite.git
+
+Run as root:
+
+  # cd unionmount-testsuite
+  # ./run --ov

arch/s390/hypfs/inode.c

View file

diff --git a/arch/s390/hypfs/inode.c b/arch/s390/hypfs/inode.c
index 4c8008d..99824ff 100644
--- a/arch/s390/hypfs/inode.c
+++ b/arch/s390/hypfs/inode.c
@@ -74,7 +74,7 @@ static void hypfs_remove(struct dentry *dentry)
 	parent = dentry->d_parent;
 	mutex_lock(&parent->d_inode->i_mutex);
 	if (hypfs_positive(dentry)) {
-		if (S_ISDIR(dentry->d_inode->i_mode))
+		if (d_is_dir(dentry))
 			simple_rmdir(parent->d_inode, dentry);
 		else
 			simple_unlink(parent->d_inode, dentry);
@@ -144,36 +144,32 @@ static int hypfs_open(struct inode *inode, struct file *filp)
 	return nonseekable_open(inode, filp);
 }
 
-static ssize_t hypfs_aio_read(struct kiocb *iocb, const struct iovec *iov,
-			      unsigned long nr_segs, loff_t offset)
+static ssize_t hypfs_read_iter(struct kiocb *iocb, struct iov_iter *to)
 {
-	char *data;
-	ssize_t ret;
-	struct file *filp = iocb->ki_filp;
-	/* XXX: temporary */
-	char __user *buf = iov[0].iov_base;
-	size_t count = iov[0].iov_len;
-
-	if (nr_segs != 1)
-		return -EINVAL;
-
-	data = filp->private_data;
-	ret = simple_read_from_buffer(buf, count, &offset, data, strlen(data));
-	if (ret <= 0)
-		return ret;
+	struct file *file = iocb->ki_filp;
+	char *data = file->private_data;
+	size_t available = strlen(data);
+	loff_t pos = iocb->ki_pos;
+	size_t count;
 
-	iocb->ki_pos += ret;
-	file_accessed(filp);
-
-	return ret;
+	if (pos < 0)
+		return -EINVAL;
+	if (pos >= available || !iov_iter_count(to))
+		return 0;
+	count = copy_to_iter(data + pos, available - pos, to);
+	if (!count)
+		return -EFAULT;
+	iocb->ki_pos = pos + count;
+	file_accessed(file);
+	return count;
 }
-static ssize_t hypfs_aio_write(struct kiocb *iocb, const struct iovec *iov,
-			      unsigned long nr_segs, loff_t offset)
+
+static ssize_t hypfs_write_iter(struct kiocb *iocb, struct iov_iter *from)
 {
 	int rc;
 	struct super_block *sb = file_inode(iocb->ki_filp)->i_sb;
 	struct hypfs_sb_info *fs_info = sb->s_fs_info;
-	size_t count = iov_length(iov, nr_segs);
+	size_t count = iov_iter_count(from);
 
 	/*
 	 * Currently we only allow one update per second for two reasons:
@@ -202,6 +198,7 @@ static ssize_t hypfs_aio_write(struct kiocb *iocb, const struct iovec *iov,
 	}
 	hypfs_update_update(sb);
 	rc = count;
+	iov_iter_advance(from, count);
 out:
 	mutex_unlock(&fs_info->lock);
 	return rc;
@@ -440,10 +437,10 @@ struct dentry *hypfs_create_str(struct dentry *dir,
 static const struct file_operations hypfs_file_ops = {
 	.open		= hypfs_open,
 	.release	= hypfs_release,
-	.read		= do_sync_read,
-	.write		= do_sync_write,
-	.aio_read	= hypfs_aio_read,
-	.aio_write	= hypfs_aio_write,
+	.read		= new_sync_read,
+	.write		= new_sync_write,
+	.read_iter	= hypfs_read_iter,
+	.write_iter	= hypfs_write_iter,
 	.llseek		= no_llseek,
 };
 

drivers/infiniband/hw/ipath/ipath_fs.c

View file

diff --git a/drivers/infiniband/hw/ipath/ipath_fs.c b/drivers/infiniband/hw/ipath/ipath_fs.c
index 4977082..33c45df 100644
--- a/drivers/infiniband/hw/ipath/ipath_fs.c
+++ b/drivers/infiniband/hw/ipath/ipath_fs.c
@@ -277,7 +277,7 @@ static int remove_file(struct dentry *parent, char *name)
 	}
 
 	spin_lock(&tmp->d_lock);
-	if (!(d_unhashed(tmp) && tmp->d_inode)) {
+	if (!d_unhashed(tmp) && tmp->d_inode) {
 		dget_dlock(tmp);
 		__d_drop(tmp);
 		spin_unlock(&tmp->d_lock);

drivers/infiniband/hw/qib/qib_fs.c

View file

diff --git a/drivers/infiniband/hw/qib/qib_fs.c b/drivers/infiniband/hw/qib/qib_fs.c
index 55f240a..650897a 100644
--- a/drivers/infiniband/hw/qib/qib_fs.c
+++ b/drivers/infiniband/hw/qib/qib_fs.c
@@ -455,7 +455,7 @@ static int remove_file(struct dentry *parent, char *name)
 	}
 
 	spin_lock(&tmp->d_lock);
-	if (!(d_unhashed(tmp) && tmp->d_inode)) {
+	if (!d_unhashed(tmp) && tmp->d_inode) {
 		__d_drop(tmp);
 		spin_unlock(&tmp->d_lock);
 		simple_unlink(parent->d_inode, tmp);

drivers/staging/lustre/lustre/llite/dcache.c

View file

diff --git a/drivers/staging/lustre/lustre/llite/dcache.c b/drivers/staging/lustre/lustre/llite/dcache.c
index 88614b7..ddf1fa9 100644
--- a/drivers/staging/lustre/lustre/llite/dcache.c
+++ b/drivers/staging/lustre/lustre/llite/dcache.c
@@ -270,7 +270,7 @@ void ll_invalidate_aliases(struct inode *inode)
 
 int ll_revalidate_it_finish(struct ptlrpc_request *request,
 			    struct lookup_intent *it,
-			    struct dentry *de)
+			    struct inode *inode)
 {
 	int rc = 0;
 
@@ -280,19 +280,17 @@ int ll_revalidate_it_finish(struct ptlrpc_request *request,
 	if (it_disposition(it, DISP_LOOKUP_NEG))
 		return -ENOENT;
 
-	rc = ll_prep_inode(&de->d_inode, request, NULL, it);
+	rc = ll_prep_inode(&inode, request, NULL, it);
 
 	return rc;
 }
 
-void ll_lookup_finish_locks(struct lookup_intent *it, struct dentry *dentry)
+void ll_lookup_finish_locks(struct lookup_intent *it, struct inode *inode)
 {
 	LASSERT(it != NULL);
-	LASSERT(dentry != NULL);
 
-	if (it->d.lustre.it_lock_mode && dentry->d_inode != NULL) {
-		struct inode *inode = dentry->d_inode;
-		struct ll_sb_info *sbi = ll_i2sbi(dentry->d_inode);
+	if (it->d.lustre.it_lock_mode && inode != NULL) {
+		struct ll_sb_info *sbi = ll_i2sbi(inode);
 
 		CDEBUG(D_DLMTRACE, "setting l_data to inode %p (%lu/%u)\n",
 		       inode, inode->i_ino, inode->i_generation);

drivers/staging/lustre/lustre/llite/file.c

View file

diff --git a/drivers/staging/lustre/lustre/llite/file.c b/drivers/staging/lustre/lustre/llite/file.c
index 7c7ef7e..5ebee6c 100644
--- a/drivers/staging/lustre/lustre/llite/file.c
+++ b/drivers/staging/lustre/lustre/llite/file.c
@@ -2912,8 +2912,8 @@ static int __ll_inode_revalidate(struct dentry *dentry, __u64 ibits)
 			oit.it_op = IT_LOOKUP;
 
 		/* Call getattr by fid, so do not provide name at all. */
-		op_data = ll_prep_md_op_data(NULL, dentry->d_inode,
-					     dentry->d_inode, NULL, 0, 0,
+		op_data = ll_prep_md_op_data(NULL, inode,
+					     inode, NULL, 0, 0,
 					     LUSTRE_OPC_ANY, NULL);
 		if (IS_ERR(op_data))
 			return PTR_ERR(op_data);
@@ -2931,7 +2931,7 @@ static int __ll_inode_revalidate(struct dentry *dentry, __u64 ibits)
 			goto out;
 		}
 
-		rc = ll_revalidate_it_finish(req, &oit, dentry);
+		rc = ll_revalidate_it_finish(req, &oit, inode);
 		if (rc != 0) {
 			ll_intent_release(&oit);
 			goto out;
@@ -2944,7 +2944,7 @@ static int __ll_inode_revalidate(struct dentry *dentry, __u64 ibits)
 		if (!dentry->d_inode->i_nlink)
 			d_lustre_invalidate(dentry, 0);
 
-		ll_lookup_finish_locks(&oit, dentry);
+		ll_lookup_finish_locks(&oit, inode);
 	} else if (!ll_have_md_lock(dentry->d_inode, &ibits, LCK_MINMODE)) {
 		struct ll_sb_info *sbi = ll_i2sbi(dentry->d_inode);
 		u64 valid = OBD_MD_FLGETATTR;

drivers/staging/lustre/lustre/llite/llite_internal.h

View file

diff --git a/drivers/staging/lustre/lustre/llite/llite_internal.h b/drivers/staging/lustre/lustre/llite/llite_internal.h
index d032c2b..2af1d72 100644
--- a/drivers/staging/lustre/lustre/llite/llite_internal.h
+++ b/drivers/staging/lustre/lustre/llite/llite_internal.h
@@ -786,9 +786,9 @@ extern const struct dentry_operations ll_d_ops;
 void ll_intent_drop_lock(struct lookup_intent *);
 void ll_intent_release(struct lookup_intent *);
 void ll_invalidate_aliases(struct inode *);
-void ll_lookup_finish_locks(struct lookup_intent *it, struct dentry *dentry);
+void ll_lookup_finish_locks(struct lookup_intent *it, struct inode *inode);
 int ll_revalidate_it_finish(struct ptlrpc_request *request,
-			    struct lookup_intent *it, struct dentry *de);
+			    struct lookup_intent *it, struct inode *inode);
 
 /* llite/llite_lib.c */
 extern struct super_operations lustre_super_operations;

drivers/staging/lustre/lustre/llite/namei.c

View file

diff --git a/drivers/staging/lustre/lustre/llite/namei.c b/drivers/staging/lustre/lustre/llite/namei.c
index 4f361b7..890ac19 100644
--- a/drivers/staging/lustre/lustre/llite/namei.c
+++ b/drivers/staging/lustre/lustre/llite/namei.c
@@ -481,6 +481,7 @@ static struct dentry *ll_lookup_it(struct inode *parent, struct dentry *dentry,
 	struct lookup_intent lookup_it = { .it_op = IT_LOOKUP };
 	struct dentry *save = dentry, *retval;
 	struct ptlrpc_request *req = NULL;
+	struct inode *inode;
 	struct md_op_data *op_data;
 	__u32 opc;
 	int rc;
@@ -539,12 +540,13 @@ static struct dentry *ll_lookup_it(struct inode *parent, struct dentry *dentry,
 		goto out;
 	}
 
-	if ((it->it_op & IT_OPEN) && dentry->d_inode &&
-	    !S_ISREG(dentry->d_inode->i_mode) &&
-	    !S_ISDIR(dentry->d_inode->i_mode)) {
-		ll_release_openhandle(dentry->d_inode, it);
+	inode = dentry->d_inode;
+	if ((it->it_op & IT_OPEN) && inode &&
+	    !S_ISREG(inode->i_mode) &&
+	    !S_ISDIR(inode->i_mode)) {
+		ll_release_openhandle(inode, it);
 	}
-	ll_lookup_finish_locks(it, dentry);
+	ll_lookup_finish_locks(it, inode);
 
 	if (dentry == save)
 		retval = NULL;

fs/9p/vfs_inode.c

View file

diff --git a/fs/9p/vfs_inode.c b/fs/9p/vfs_inode.c
index 9ee5343..3662f1d 100644
--- a/fs/9p/vfs_inode.c
+++ b/fs/9p/vfs_inode.c
@@ -1127,7 +1127,7 @@ static int v9fs_vfs_setattr(struct dentry *dentry, struct iattr *iattr)
 	}
 
 	/* Write all dirty data */
-	if (S_ISREG(dentry->d_inode->i_mode))
+	if (d_is_reg(dentry))
 		filemap_write_and_wait(dentry->d_inode->i_mapping);
 
 	retval = p9_client_wstat(fid, &wstat);

fs/aio.c

View file

diff --git a/fs/aio.c b/fs/aio.c
index 118a2e0..f8e52a1 100644
--- a/fs/aio.c
+++ b/fs/aio.c
@@ -1285,7 +1285,7 @@ SYSCALL_DEFINE2(io_setup, unsigned, nr_events, aio_context_t __user *, ctxp)
 
 	ret = -EINVAL;
 	if (unlikely(ctx || nr_events == 0)) {
-		pr_debug("EINVAL: io_setup: ctx %lu nr_events %u\n",
+		pr_debug("EINVAL: ctx %lu nr_events %u\n",
 		         ctx, nr_events);
 		goto out;
 	}
@@ -1333,7 +1333,7 @@ SYSCALL_DEFINE1(io_destroy, aio_context_t, ctx)
 
 		return ret;
 	}
-	pr_debug("EINVAL: io_destroy: invalid context id\n");
+	pr_debug("EINVAL: invalid context id\n");
 	return -EINVAL;
 }
 
@@ -1515,7 +1515,7 @@ static int io_submit_one(struct kioctx *ctx, struct iocb __user *user_iocb,
 	    (iocb->aio_nbytes != (size_t)iocb->aio_nbytes) ||
 	    ((ssize_t)iocb->aio_nbytes < 0)
 	   )) {
-		pr_debug("EINVAL: io_submit: overflow check\n");
+		pr_debug("EINVAL: overflow check\n");
 		return -EINVAL;
 	}
 

fs/autofs4/dev-ioctl.c

View file

diff --git a/fs/autofs4/dev-ioctl.c b/fs/autofs4/dev-ioctl.c
index aaf96cb..ac7d921 100644
--- a/fs/autofs4/dev-ioctl.c
+++ b/fs/autofs4/dev-ioctl.c
@@ -95,7 +95,7 @@ static int check_dev_ioctl_version(int cmd, struct autofs_dev_ioctl *param)
  */
 static struct autofs_dev_ioctl *copy_dev_ioctl(struct autofs_dev_ioctl __user *in)
 {
-	struct autofs_dev_ioctl tmp;
+	struct autofs_dev_ioctl tmp, *res;
 
 	if (copy_from_user(&tmp, in, sizeof(tmp)))
 		return ERR_PTR(-EFAULT);
@@ -106,7 +106,11 @@ static struct autofs_dev_ioctl *copy_dev_ioctl(struct autofs_dev_ioctl __user *i
 	if (tmp.size > (PATH_MAX + sizeof(tmp)))
 		return ERR_PTR(-ENAMETOOLONG);
 
-	return memdup_user(in, tmp.size);
+	res = memdup_user(in, tmp.size);
+	if (!IS_ERR(res))
+		res->size = tmp.size;
+
+	return res;
 }
 
 static inline void free_dev_ioctl(struct autofs_dev_ioctl *param)

fs/autofs4/expire.c

View file

diff --git a/fs/autofs4/expire.c b/fs/autofs4/expire.c
index bfdbaba..11dd118 100644
--- a/fs/autofs4/expire.c
+++ b/fs/autofs4/expire.c
@@ -374,7 +374,7 @@ static struct dentry *should_expire(struct dentry *dentry,
 		return NULL;
 	}
 
-	if (dentry->d_inode && S_ISLNK(dentry->d_inode->i_mode)) {
+	if (dentry->d_inode && d_is_symlink(dentry)) {
 		DPRINTK("checking symlink %p %pd", dentry, dentry);
 		/*
 		 * A symlink can't be "busy" in the usual sense so

fs/autofs4/root.c

View file

diff --git a/fs/autofs4/root.c b/fs/autofs4/root.c
index dbb5b72..7e44fdd 100644
--- a/fs/autofs4/root.c
+++ b/fs/autofs4/root.c
@@ -108,7 +108,7 @@ static int autofs4_dir_open(struct inode *inode, struct file *file)
 	struct dentry *dentry = file->f_path.dentry;
 	struct autofs_sb_info *sbi = autofs4_sbi(dentry->d_sb);
 
-	DPRINTK("file=%p dentry=%p %pD", file, dentry, dentry);
+	DPRINTK("file=%p dentry=%p %pd", file, dentry, dentry);
 
 	if (autofs4_oz_mode(sbi))
 		goto out;
@@ -371,7 +371,7 @@ static struct vfsmount *autofs4_d_automount(struct path *path)
 	 * having d_mountpoint() true, so there's no need to call back
 	 * to the daemon.
 	 */
-	if (dentry->d_inode && S_ISLNK(dentry->d_inode->i_mode)) {
+	if (dentry->d_inode && d_is_symlink(dentry)) {
 		spin_unlock(&sbi->fs_lock);
 		goto done;
 	}
@@ -485,7 +485,7 @@ static int autofs4_d_manage(struct dentry *dentry, bool rcu_walk)
 		 * an incorrect ELOOP error return.
 		 */
 		if ((!d_mountpoint(dentry) && !simple_empty(dentry)) ||
-		    (dentry->d_inode && S_ISLNK(dentry->d_inode->i_mode)))
+		    (dentry->d_inode && d_is_symlink(dentry)))
 			status = -EISDIR;
 	}
 	spin_unlock(&sbi->fs_lock);

fs/bad_inode.c

View file

diff --git a/fs/bad_inode.c b/fs/bad_inode.c
index afd2b44..861b1e1 100644
--- a/fs/bad_inode.c
+++ b/fs/bad_inode.c
@@ -15,161 +15,14 @@
 #include <linux/namei.h>
 #include <linux/poll.h>
 
-
-static loff_t bad_file_llseek(struct file *file, loff_t offset, int whence)
-{
-	return -EIO;
-}
-
-static ssize_t bad_file_read(struct file *filp, char __user *buf,
-			size_t size, loff_t *ppos)
-{
-        return -EIO;
-}
-
-static ssize_t bad_file_write(struct file *filp, const char __user *buf,
-			size_t siz, loff_t *ppos)
-{
-        return -EIO;
-}
-
-static ssize_t bad_file_aio_read(struct kiocb *iocb, const struct iovec *iov,
-			unsigned long nr_segs, loff_t pos)
-{
-	return -EIO;
-}
-
-static ssize_t bad_file_aio_write(struct kiocb *iocb, const struct iovec *iov,
-			unsigned long nr_segs, loff_t pos)
-{
-	return -EIO;
-}
-
-static int bad_file_readdir(struct file *file, struct dir_context *ctx)
-{
-	return -EIO;
-}
-
-static unsigned int bad_file_poll(struct file *filp, poll_table *wait)
-{
-	return POLLERR;
-}
-
-static long bad_file_unlocked_ioctl(struct file *file, unsigned cmd,
-			unsigned long arg)
-{
-	return -EIO;
-}
-
-static long bad_file_compat_ioctl(struct file *file, unsigned int cmd,
-			unsigned long arg)
-{
-	return -EIO;
-}
-
-static int bad_file_mmap(struct file *file, struct vm_area_struct *vma)
-{
-	return -EIO;
-}
-
 static int bad_file_open(struct inode *inode, struct file *filp)
 {
 	return -EIO;
 }
 
-static int bad_file_flush(struct file *file, fl_owner_t id)
-{
-	return -EIO;
-}
-
-static int bad_file_release(struct inode *inode, struct file *filp)
-{
-	return -EIO;
-}
-
-static int bad_file_fsync(struct file *file, loff_t start, loff_t end,
-			  int datasync)
-{
-	return -EIO;
-}
-
-static int bad_file_aio_fsync(struct kiocb *iocb, int datasync)
-{
-	return -EIO;
-}
-
-static int bad_file_fasync(int fd, struct file *filp, int on)
-{
-	return -EIO;
-}
-
-static int bad_file_lock(struct file *file, int cmd, struct file_lock *fl)
-{
-	return -EIO;
-}
-
-static ssize_t bad_file_sendpage(struct file *file, struct page *page,
-			int off, size_t len, loff_t *pos, int more)
-{
-	return -EIO;
-}
-
-static unsigned long bad_file_get_unmapped_area(struct file *file,
-				unsigned long addr, unsigned long len,
-				unsigned long pgoff, unsigned long flags)
-{
-	return -EIO;
-}
-
-static int bad_file_check_flags(int flags)
-{
-	return -EIO;
-}
-
-static int bad_file_flock(struct file *filp, int cmd, struct file_lock *fl)
-{
-	return -EIO;
-}
-
-static ssize_t bad_file_splice_write(struct pipe_inode_info *pipe,
-			struct file *out, loff_t *ppos, size_t len,
-			unsigned int flags)
-{
-	return -EIO;
-}
-
-static ssize_t bad_file_splice_read(struct file *in, loff_t *ppos,
-			struct pipe_inode_info *pipe, size_t len,
-			unsigned int flags)
-{
-	return -EIO;
-}
-
 static const struct file_operations bad_file_ops =
 {
-	.llseek		= bad_file_llseek,
-	.read		= bad_file_read,
-	.write		= bad_file_write,
-	.aio_read	= bad_file_aio_read,
-	.aio_write	= bad_file_aio_write,
-	.iterate	= bad_file_readdir,
-	.poll		= bad_file_poll,
-	.unlocked_ioctl	= bad_file_unlocked_ioctl,
-	.compat_ioctl	= bad_file_compat_ioctl,
-	.mmap		= bad_file_mmap,
 	.open		= bad_file_open,
-	.flush		= bad_file_flush,
-	.release	= bad_file_release,
-	.fsync		= bad_file_fsync,
-	.aio_fsync	= bad_file_aio_fsync,
-	.fasync		= bad_file_fasync,
-	.lock		= bad_file_lock,
-	.sendpage	= bad_file_sendpage,
-	.get_unmapped_area = bad_file_get_unmapped_area,
-	.check_flags	= bad_file_check_flags,
-	.flock		= bad_file_flock,
-	.splice_write	= bad_file_splice_write,
-	.splice_read	= bad_file_splice_read,
 };
 
 static int bad_inode_create (struct inode *dir, struct dentry *dentry,

fs/btrfs/ioctl.c

View file

diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c
index d49fe8a..74609b9 100644
--- a/fs/btrfs/ioctl.c
+++ b/fs/btrfs/ioctl.c
@@ -776,11 +776,11 @@ static int btrfs_may_delete(struct inode *dir, struct dentry *victim, int isdir)
 	    IS_IMMUTABLE(victim->d_inode) || IS_SWAPFILE(victim->d_inode))
 		return -EPERM;
 	if (isdir) {
-		if (!S_ISDIR(victim->d_inode->i_mode))
+		if (!d_is_dir(victim))
 			return -ENOTDIR;
 		if (IS_ROOT(victim))
 			return -EBUSY;
-	} else if (S_ISDIR(victim->d_inode->i_mode))
+	} else if (d_is_dir(victim))
 		return -EISDIR;
 	if (IS_DEADDIR(dir))
 		return -ENOENT;

fs/cachefiles/daemon.c

View file

diff --git a/fs/cachefiles/daemon.c b/fs/cachefiles/daemon.c
index ce1b115..f601def 100644
--- a/fs/cachefiles/daemon.c
+++ b/fs/cachefiles/daemon.c
@@ -574,7 +574,7 @@ static int cachefiles_daemon_cull(struct cachefiles_cache *cache, char *args)
 	/* extract the directory dentry from the cwd */
 	get_fs_pwd(current->fs, &path);
 
-	if (!S_ISDIR(path.dentry->d_inode->i_mode))
+	if (!d_can_lookup(path.dentry))
 		goto notdir;

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