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From: Brian Foster <bfoster@redhat.com>
To: xfs@oss.sgi.com
Cc: linux-block@vger.kernel.org, linux-fsdevel@vger.kernel.org,
	dm-devel@redhat.com, Mike Snitzer <snitzer@redhat.com>
Subject: [RFC v2 PATCH 03/10] block: add block_device_operations methods to set and get reserved space
Date: Tue, 12 Apr 2016 12:42:46 -0400	[thread overview]
Message-ID: <1460479373-63317-4-git-send-email-bfoster@redhat.com> (raw)
In-Reply-To: <1460479373-63317-1-git-send-email-bfoster@redhat.com>

From: Mike Snitzer <snitzer@redhat.com>

[BF:
 - Killed wrapper functions.
 - Condensed to single bdev op.]

Signed-off-by: Mike Snitzer <snitzer@redhat.com>
---
 include/linux/blkdev.h | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index 669e419..6c6ea96 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -1650,6 +1650,10 @@ struct blk_dax_ctl {
 	pfn_t pfn;
 };
 
+#define BDEV_RES_GET		0
+#define BDEV_RES_MOD		(1 << 0)
+#define BDEV_RES_PROVISION	(1 << 1)
+
 struct block_device_operations {
 	int (*open) (struct block_device *, fmode_t);
 	void (*release) (struct gendisk *, fmode_t);
@@ -1667,6 +1671,8 @@ struct block_device_operations {
 	int (*getgeo)(struct block_device *, struct hd_geometry *);
 	/* this callback is with swap_lock and sometimes page table lock held */
 	void (*swap_slot_free_notify) (struct block_device *, unsigned long);
+	int (*reserve_space) (struct block_device *, int, sector_t, sector_t,
+			      sector_t *);
 	struct module *owner;
 	const struct pr_ops *pr_ops;
 };
-- 
2.4.11


WARNING: multiple messages have this Message-ID (diff)
From: Brian Foster <bfoster@redhat.com>
To: xfs@oss.sgi.com
Cc: linux-block@vger.kernel.org, linux-fsdevel@vger.kernel.org,
	dm-devel@redhat.com, Mike Snitzer <snitzer@redhat.com>
Subject: [RFC v2 PATCH 03/10] block: add block_device_operations methods to set and get reserved space
Date: Tue, 12 Apr 2016 12:42:46 -0400	[thread overview]
Message-ID: <1460479373-63317-4-git-send-email-bfoster@redhat.com> (raw)
In-Reply-To: <1460479373-63317-1-git-send-email-bfoster@redhat.com>

From: Mike Snitzer <snitzer@redhat.com>

[BF:
 - Killed wrapper functions.
 - Condensed to single bdev op.]

Signed-off-by: Mike Snitzer <snitzer@redhat.com>
---
 include/linux/blkdev.h | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index 669e419..6c6ea96 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -1650,6 +1650,10 @@ struct blk_dax_ctl {
 	pfn_t pfn;
 };
 
+#define BDEV_RES_GET		0
+#define BDEV_RES_MOD		(1 << 0)
+#define BDEV_RES_PROVISION	(1 << 1)
+
 struct block_device_operations {
 	int (*open) (struct block_device *, fmode_t);
 	void (*release) (struct gendisk *, fmode_t);
@@ -1667,6 +1671,8 @@ struct block_device_operations {
 	int (*getgeo)(struct block_device *, struct hd_geometry *);
 	/* this callback is with swap_lock and sometimes page table lock held */
 	void (*swap_slot_free_notify) (struct block_device *, unsigned long);
+	int (*reserve_space) (struct block_device *, int, sector_t, sector_t,
+			      sector_t *);
 	struct module *owner;
 	const struct pr_ops *pr_ops;
 };
-- 
2.4.11

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  parent reply	other threads:[~2016-04-12 16:43 UTC|newest]

Thread overview: 54+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-04-12 16:42 [RFC v2 PATCH 00/10] dm-thin/xfs: prototype a block reservation allocation model Brian Foster
2016-04-12 16:42 ` Brian Foster
2016-04-12 16:42 ` [RFC v2 PATCH 01/10] xfs: refactor xfs_reserve_blocks() to handle ENOSPC correctly Brian Foster
2016-04-12 16:42   ` Brian Foster
2016-04-12 16:42 ` [RFC v2 PATCH 02/10] xfs: replace xfs_mod_fdblocks() bool param with flags Brian Foster
2016-04-12 16:42   ` Brian Foster
2016-04-12 16:42 ` Brian Foster [this message]
2016-04-12 16:42   ` [RFC v2 PATCH 03/10] block: add block_device_operations methods to set and get reserved space Brian Foster
2016-04-14  0:32   ` Dave Chinner
2016-04-14  0:32     ` Dave Chinner
2016-04-12 16:42 ` [RFC v2 PATCH 04/10] dm: add " Brian Foster
2016-04-12 16:42   ` Brian Foster
2016-04-12 16:42 ` [RFC v2 PATCH 05/10] dm thin: " Brian Foster
2016-04-12 16:42   ` Brian Foster
2016-04-13 17:44   ` Darrick J. Wong
2016-04-13 17:44     ` Darrick J. Wong
2016-04-13 18:33     ` Brian Foster
2016-04-13 18:33       ` Brian Foster
2016-04-13 20:41       ` Brian Foster
2016-04-13 20:41         ` Brian Foster
2016-04-13 21:01         ` Darrick J. Wong
2016-04-13 21:01           ` Darrick J. Wong
2016-04-14 15:10         ` Mike Snitzer
2016-04-14 15:10           ` Mike Snitzer
2016-04-14 16:23           ` Brian Foster
2016-04-14 16:23             ` Brian Foster
2016-04-14 20:18             ` Mike Snitzer
2016-04-14 20:18               ` Mike Snitzer
2016-04-15 11:48               ` Brian Foster
2016-04-15 11:48                 ` Brian Foster
2016-04-12 16:42 ` [RFC v2 PATCH 06/10] xfs: thin block device reservation mechanism Brian Foster
2016-04-12 16:42   ` Brian Foster
2016-04-12 16:42 ` [RFC v2 PATCH 07/10] xfs: adopt a reserved allocation model on dm-thin devices Brian Foster
2016-04-12 16:42   ` Brian Foster
2016-04-12 16:42 ` [RFC v2 PATCH 08/10] xfs: handle bdev reservation ENOSPC correctly from XFS reserved pool Brian Foster
2016-04-12 16:42   ` Brian Foster
2016-04-12 16:42 ` [RFC v2 PATCH 09/10] xfs: support no block reservation transaction mode Brian Foster
2016-04-12 16:42   ` Brian Foster
2016-04-12 16:42 ` [RFC v2 PATCH 10/10] xfs: use contiguous bdev reservation for file preallocation Brian Foster
2016-04-12 16:42   ` Brian Foster
2016-04-12 20:04 ` [RFC PATCH] block: wire blkdev_fallocate() to block_device_operations' reserve_space Mike Snitzer
2016-04-12 20:04   ` Mike Snitzer
2016-04-12 20:39   ` Darrick J. Wong
2016-04-12 20:39     ` Darrick J. Wong
2016-04-12 20:46     ` Mike Snitzer
2016-04-12 20:46       ` Mike Snitzer
2016-04-12 22:25       ` Darrick J. Wong
2016-04-12 22:25         ` Darrick J. Wong
2016-04-12 21:04     ` Mike Snitzer
2016-04-12 21:04       ` Mike Snitzer
2016-04-13  0:12       ` Darrick J. Wong
2016-04-13  0:12         ` Darrick J. Wong
2016-04-14 15:18         ` Mike Snitzer
2016-04-14 15:18           ` Mike Snitzer

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