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From: Christoph Hellwig <hch-jcswGhMUV9g@public.gmane.org>
To: linux-xfs-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	linux-fsdevel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	linux-nvdimm-y27Ovi1pjclAfugRpC6u6w@public.gmane.org
Subject: [PATCH 02/12] iomap: expose iomap_apply outside iomap.c
Date: Wed, 14 Sep 2016 12:01:21 +0200	[thread overview]
Message-ID: <1473847291-18913-3-git-send-email-hch@lst.de> (raw)
In-Reply-To: <1473847291-18913-1-git-send-email-hch-jcswGhMUV9g@public.gmane.org>

This allows the DAX code to use it.

Signed-off-by: Christoph Hellwig <hch-jcswGhMUV9g@public.gmane.org>
Reviewed-by: Ross Zwisler <ross.zwisler-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
---
 fs/internal.h | 11 +++++++++++
 fs/iomap.c    |  5 +----
 2 files changed, 12 insertions(+), 4 deletions(-)

diff --git a/fs/internal.h b/fs/internal.h
index ba07376..8591786 100644
--- a/fs/internal.h
+++ b/fs/internal.h
@@ -12,6 +12,7 @@
 struct super_block;
 struct file_system_type;
 struct iomap;
+struct iomap_ops;
 struct linux_binprm;
 struct path;
 struct mount;
@@ -164,3 +165,13 @@ extern struct dentry_operations ns_dentry_operations;
 extern int do_vfs_ioctl(struct file *file, unsigned int fd, unsigned int cmd,
 		    unsigned long arg);
 extern long vfs_ioctl(struct file *file, unsigned int cmd, unsigned long arg);
+
+/*
+ * iomap support:
+ */
+typedef loff_t (*iomap_actor_t)(struct inode *inode, loff_t pos, loff_t len,
+		void *data, struct iomap *iomap);
+
+loff_t iomap_apply(struct inode *inode, loff_t pos, loff_t length,
+		unsigned flags, struct iomap_ops *ops, void *data,
+		iomap_actor_t actor);
diff --git a/fs/iomap.c b/fs/iomap.c
index 706270f..f4df9c6 100644
--- a/fs/iomap.c
+++ b/fs/iomap.c
@@ -27,9 +27,6 @@
 #include <linux/dax.h>
 #include "internal.h"
 
-typedef loff_t (*iomap_actor_t)(struct inode *inode, loff_t pos, loff_t len,
-		void *data, struct iomap *iomap);
-
 /*
  * Execute a iomap write on a segment of the mapping that spans a
  * contiguous range of pages that have identical block mapping state.
@@ -41,7 +38,7 @@ typedef loff_t (*iomap_actor_t)(struct inode *inode, loff_t pos, loff_t len,
  * resources they require in the iomap_begin call, and release them in the
  * iomap_end call.
  */
-static loff_t
+loff_t
 iomap_apply(struct inode *inode, loff_t pos, loff_t length, unsigned flags,
 		struct iomap_ops *ops, void *data, iomap_actor_t actor)
 {
-- 
2.1.4

WARNING: multiple messages have this Message-ID
From: Christoph Hellwig <hch@lst.de>
To: linux-xfs@vger.kernel.org, linux-fsdevel@vger.kernel.org,
	linux-nvdimm@ml01.01.org
Cc: ross.zwisler@linux.intel.com
Subject: [PATCH 02/12] iomap: expose iomap_apply outside iomap.c
Date: Wed, 14 Sep 2016 12:01:21 +0200	[thread overview]
Message-ID: <1473847291-18913-3-git-send-email-hch@lst.de> (raw)
In-Reply-To: <1473847291-18913-1-git-send-email-hch@lst.de>

This allows the DAX code to use it.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Ross Zwisler <ross.zwisler@linux.intel.com>
---
 fs/internal.h | 11 +++++++++++
 fs/iomap.c    |  5 +----
 2 files changed, 12 insertions(+), 4 deletions(-)

diff --git a/fs/internal.h b/fs/internal.h
index ba07376..8591786 100644
--- a/fs/internal.h
+++ b/fs/internal.h
@@ -12,6 +12,7 @@
 struct super_block;
 struct file_system_type;
 struct iomap;
+struct iomap_ops;
 struct linux_binprm;
 struct path;
 struct mount;
@@ -164,3 +165,13 @@ extern struct dentry_operations ns_dentry_operations;
 extern int do_vfs_ioctl(struct file *file, unsigned int fd, unsigned int cmd,
 		    unsigned long arg);
 extern long vfs_ioctl(struct file *file, unsigned int cmd, unsigned long arg);
+
+/*
+ * iomap support:
+ */
+typedef loff_t (*iomap_actor_t)(struct inode *inode, loff_t pos, loff_t len,
+		void *data, struct iomap *iomap);
+
+loff_t iomap_apply(struct inode *inode, loff_t pos, loff_t length,
+		unsigned flags, struct iomap_ops *ops, void *data,
+		iomap_actor_t actor);
diff --git a/fs/iomap.c b/fs/iomap.c
index 706270f..f4df9c6 100644
--- a/fs/iomap.c
+++ b/fs/iomap.c
@@ -27,9 +27,6 @@
 #include <linux/dax.h>
 #include "internal.h"
 
-typedef loff_t (*iomap_actor_t)(struct inode *inode, loff_t pos, loff_t len,
-		void *data, struct iomap *iomap);
-
 /*
  * Execute a iomap write on a segment of the mapping that spans a
  * contiguous range of pages that have identical block mapping state.
@@ -41,7 +38,7 @@ typedef loff_t (*iomap_actor_t)(struct inode *inode, loff_t pos, loff_t len,
  * resources they require in the iomap_begin call, and release them in the
  * iomap_end call.
  */
-static loff_t
+loff_t
 iomap_apply(struct inode *inode, loff_t pos, loff_t length, unsigned flags,
 		struct iomap_ops *ops, void *data, iomap_actor_t actor)
 {
-- 
2.1.4


  parent reply	other threads:[~2016-09-14 10:01 UTC|newest]

Thread overview: 36+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-09-14 10:01 iomap based DAX path V2 Christoph Hellwig
2016-09-14 10:01 ` Christoph Hellwig
     [not found] ` <1473847291-18913-1-git-send-email-hch-jcswGhMUV9g@public.gmane.org>
2016-09-14 10:01   ` [PATCH 01/12] iomap: add IOMAP_F_NEW flag Christoph Hellwig
2016-09-14 10:01     ` Christoph Hellwig
2016-09-14 10:01   ` Christoph Hellwig [this message]
2016-09-14 10:01     ` [PATCH 02/12] iomap: expose iomap_apply outside iomap.c Christoph Hellwig
2016-09-14 10:01   ` [PATCH 12/12] ext2: use iomap to implement DAX Christoph Hellwig
2016-09-14 10:01     ` Christoph Hellwig
     [not found]     ` <1473847291-18913-13-git-send-email-hch-jcswGhMUV9g@public.gmane.org>
2016-09-14 22:51       ` Ross Zwisler
2016-09-14 22:51         ` Ross Zwisler
2016-09-15  5:14         ` Christoph Hellwig
2016-09-14 10:01 ` [PATCH 03/12] dax: don't pass buffer_head to dax_insert_mapping Christoph Hellwig
2016-09-14 10:01 ` [PATCH 04/12] dax: don't pass buffer_head to copy_user_dax Christoph Hellwig
2016-09-14 10:01 ` [PATCH 05/12] dax: provide an iomap based dax read/write path Christoph Hellwig
     [not found]   ` <1473847291-18913-6-git-send-email-hch-jcswGhMUV9g@public.gmane.org>
2016-09-14 17:26     ` Ross Zwisler
2016-09-14 17:26       ` Ross Zwisler
2016-09-14 10:01 ` [PATCH 06/12] dax: provide an iomap based fault handler Christoph Hellwig
2016-09-14 17:27   ` Ross Zwisler
     [not found]     ` <20160914172717.GB30852-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
2016-09-15  5:13       ` Christoph Hellwig
2016-09-15  5:13         ` Christoph Hellwig
2016-09-14 10:01 ` [PATCH 07/12] xfs: fix locking for DAX writes Christoph Hellwig
2016-09-14 10:01 ` [PATCH 08/12] xfs: take the ilock shared if possible in xfs_file_iomap_begin Christoph Hellwig
2016-09-14 10:01 ` [PATCH 09/12] xfs: refactor xfs_setfilesize Christoph Hellwig
2016-09-14 10:01 ` [PATCH 10/12] xfs: use iomap to implement DAX Christoph Hellwig
     [not found]   ` <1473847291-18913-11-git-send-email-hch-jcswGhMUV9g@public.gmane.org>
2016-09-14 17:32     ` Ross Zwisler
2016-09-14 17:32       ` Ross Zwisler
     [not found]       ` <20160914173247.GC30852-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
2016-09-15  5:14         ` Christoph Hellwig
2016-09-15  5:14           ` Christoph Hellwig
2016-09-15  5:29   ` Darrick J. Wong
     [not found]     ` <20160915052933.GH9314-PTl6brltDGh4DFYR7WNSRA@public.gmane.org>
2016-09-15  6:43       ` Christoph Hellwig
2016-09-15  6:43         ` Christoph Hellwig
2016-09-14 10:01 ` [PATCH 11/12] ext2: stop passing buffer_head to ext2_get_blocks Christoph Hellwig
     [not found]   ` <1473847291-18913-12-git-send-email-hch-jcswGhMUV9g@public.gmane.org>
2016-09-14 22:42     ` Ross Zwisler
2016-09-14 22:42       ` Ross Zwisler
2016-09-16 11:27 iomap based DAX path V3 Christoph Hellwig
     [not found] ` <1474025234-13804-1-git-send-email-hch-jcswGhMUV9g@public.gmane.org>
2016-09-16 11:27   ` [PATCH 02/12] iomap: expose iomap_apply outside iomap.c Christoph Hellwig
2016-09-16 11:27     ` Christoph Hellwig

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