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From: Carlos Maiolino <cmaiolino@redhat.com>
To: linux-fsdevel@vger.kernel.org
Cc: hch@lst.de, adilger@dilger.ca, jaegeuk@kernel.org,
	darrick.wong@oracle.com, miklos@szeredi.hu, rpeterso@redhat.com,
	linux-xfs@vger.kernel.org
Subject: [PATCH 2/9] cachefiles: drop direct usage of ->bmap method.
Date: Wed, 31 Jul 2019 16:12:38 +0200	[thread overview]
Message-ID: <20190731141245.7230-3-cmaiolino@redhat.com> (raw)
In-Reply-To: <20190731141245.7230-1-cmaiolino@redhat.com>

Replace the direct usage of ->bmap method by a bmap() call.

Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Carlos Maiolino <cmaiolino@redhat.com>
---
 fs/cachefiles/rdwr.c | 27 ++++++++++++++-------------
 1 file changed, 14 insertions(+), 13 deletions(-)

diff --git a/fs/cachefiles/rdwr.c b/fs/cachefiles/rdwr.c
index 8a577409d030..1a74aa978056 100644
--- a/fs/cachefiles/rdwr.c
+++ b/fs/cachefiles/rdwr.c
@@ -400,7 +400,7 @@ int cachefiles_read_or_alloc_page(struct fscache_retrieval *op,
 	struct cachefiles_object *object;
 	struct cachefiles_cache *cache;
 	struct inode *inode;
-	sector_t block0, block;
+	sector_t block;
 	unsigned shift;
 	int ret;
 
@@ -416,7 +416,6 @@ int cachefiles_read_or_alloc_page(struct fscache_retrieval *op,
 
 	inode = d_backing_inode(object->backer);
 	ASSERT(S_ISREG(inode->i_mode));
-	ASSERT(inode->i_mapping->a_ops->bmap);
 	ASSERT(inode->i_mapping->a_ops->readpages);
 
 	/* calculate the shift required to use bmap */
@@ -432,12 +431,14 @@ int cachefiles_read_or_alloc_page(struct fscache_retrieval *op,
 	 *   enough for this as it doesn't indicate errors, but it's all we've
 	 *   got for the moment
 	 */
-	block0 = page->index;
-	block0 <<= shift;
+	block = page->index;
+	block <<= shift;
+
+	ret = bmap(inode, &block);
+	ASSERT(!ret);
 
-	block = inode->i_mapping->a_ops->bmap(inode->i_mapping, block0);
 	_debug("%llx -> %llx",
-	       (unsigned long long) block0,
+	       (unsigned long long) (page->index << shift),
 	       (unsigned long long) block);
 
 	if (block) {
@@ -715,7 +716,6 @@ int cachefiles_read_or_alloc_pages(struct fscache_retrieval *op,
 
 	inode = d_backing_inode(object->backer);
 	ASSERT(S_ISREG(inode->i_mode));
-	ASSERT(inode->i_mapping->a_ops->bmap);
 	ASSERT(inode->i_mapping->a_ops->readpages);
 
 	/* calculate the shift required to use bmap */
@@ -732,7 +732,7 @@ int cachefiles_read_or_alloc_pages(struct fscache_retrieval *op,
 
 	ret = space ? -ENODATA : -ENOBUFS;
 	list_for_each_entry_safe(page, _n, pages, lru) {
-		sector_t block0, block;
+		sector_t block;
 
 		/* we assume the absence or presence of the first block is a
 		 * good enough indication for the page as a whole
@@ -740,13 +740,14 @@ int cachefiles_read_or_alloc_pages(struct fscache_retrieval *op,
 		 *   good enough for this as it doesn't indicate errors, but
 		 *   it's all we've got for the moment
 		 */
-		block0 = page->index;
-		block0 <<= shift;
+		block = page->index;
+		block <<= shift;
+
+		ret = bmap(inode, &block);
+		ASSERT(!ret);
 
-		block = inode->i_mapping->a_ops->bmap(inode->i_mapping,
-						      block0);
 		_debug("%llx -> %llx",
-		       (unsigned long long) block0,
+		       (unsigned long long) (page->index << shift),
 		       (unsigned long long) block);
 
 		if (block) {
-- 
2.20.1


  parent reply	other threads:[~2019-07-31 14:13 UTC|newest]

Thread overview: 54+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-07-31 14:12 [PATCH 0/9 V4] New ->fiemap infrastructure and ->bmap removal Carlos Maiolino
2019-07-31 14:12 ` [PATCH 1/9] fs: Enable bmap() function to properly return errors Carlos Maiolino
2019-07-31 14:12 ` Carlos Maiolino [this message]
2019-07-31 14:12 ` [PATCH 3/9] ecryptfs: drop direct calls to ->bmap Carlos Maiolino
2019-07-31 14:12 ` [PATCH 4/9] fibmap: Use bmap instead of ->bmap method in ioctl_fibmap Carlos Maiolino
2019-07-31 23:12   ` Darrick J. Wong
2019-08-02  9:19     ` Carlos Maiolino
2019-08-02 15:14       ` Darrick J. Wong
2019-08-05 10:27         ` Carlos Maiolino
2019-08-05 15:12           ` Darrick J. Wong
2019-08-06  5:38             ` Christoph Hellwig
2019-08-06 12:07               ` Carlos Maiolino
2019-08-06 14:48                 ` Darrick J. Wong
2019-08-08  7:17                   ` Carlos Maiolino
2019-08-06 12:02             ` Carlos Maiolino
2019-08-06 22:41             ` Luis Chamberlain
2019-08-07 14:42               ` Darrick J. Wong
2019-08-08  7:12               ` Carlos Maiolino
2019-08-08 18:53                 ` Andreas Dilger
2019-08-19 10:10                   ` Carlos Maiolino
2019-07-31 14:12 ` [PATCH 5/9] fs: Move start and length fiemap fields into fiemap_extent_info Carlos Maiolino
2019-07-31 23:28   ` Darrick J. Wong
2019-08-02  9:51     ` Carlos Maiolino
2019-08-02 15:15       ` Darrick J. Wong
2019-08-05  9:40         ` Carlos Maiolino
2019-08-06  5:39       ` Christoph Hellwig
2019-07-31 14:12 ` [PATCH 6/9] iomap: Remove length and start fields from iomap_fiemap Carlos Maiolino
2019-07-31 23:24   ` Darrick J. Wong
2019-07-31 14:12 ` [PATCH 7/9] fiemap: Use a callback to fill fiemap extents Carlos Maiolino
2019-07-31 23:26   ` Darrick J. Wong
2019-07-31 14:12 ` [PATCH 8/9] Use FIEMAP for FIBMAP calls Carlos Maiolino
2019-07-31 23:22   ` Darrick J. Wong
2019-07-31 23:31     ` Darrick J. Wong
2019-08-02 13:52       ` Carlos Maiolino
2019-08-06  5:41       ` Christoph Hellwig
2019-08-02 13:48     ` Carlos Maiolino
2019-08-02 15:29       ` Darrick J. Wong
2019-08-05 10:38         ` Carlos Maiolino
2019-08-06  5:46         ` Christoph Hellwig
2019-07-31 14:12 ` [PATCH 9/9] xfs: Get rid of ->bmap Carlos Maiolino
2019-07-31 23:30   ` Darrick J. Wong
2019-08-02 10:20 ` [PATCH 0/9 V4] New ->fiemap infrastructure and ->bmap removal Carlos Maiolino
  -- strict thread matches above, loose matches on Subject: below --
2019-09-11 13:43 [PATCH 0/9 V6] " Carlos Maiolino
2019-09-11 13:43 ` [PATCH 2/9] cachefiles: drop direct usage of ->bmap method Carlos Maiolino
2019-08-08  8:27 [PATCH 0/9 V5] New ->fiemap infrastructure and ->bmap removal Carlos Maiolino
2019-08-08  8:27 ` [PATCH 2/9] cachefiles: drop direct usage of ->bmap method Carlos Maiolino
2019-08-14 11:15   ` Christoph Hellwig
2019-08-20 11:57     ` Carlos Maiolino
2019-08-20 12:50     ` David Howells
2019-08-29  7:13       ` Christoph Hellwig
2019-08-30 16:17       ` David Howells
2019-08-30 16:59         ` Christoph Hellwig
2019-08-31  0:45         ` David Howells
2019-09-05 22:44           ` Dave Chinner
2019-08-20 13:31   ` David Howells
2019-02-18 13:03 [PATCH 0/9 V3] New ->fiemap infrastructure and ->bmap removal Carlos Maiolino
2019-02-18 13:03 ` [PATCH 2/9] cachefiles: drop direct usage of ->bmap method Carlos Maiolino

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