From: Carlos Maiolino <cmaiolino@redhat.com>
To: linux-fsdevel@vger.kernel.org
Cc: hch@lst.de, darrick.wong@oracle.com, adilger@dilger.ca
Subject: [PATCH 2/9] cachefiles: drop direct usage of ->bmap method.
Date: Mon, 18 Feb 2019 14:03:24 +0100 [thread overview]
Message-ID: <20190218130331.15882-3-cmaiolino@redhat.com> (raw)
In-Reply-To: <20190218130331.15882-1-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) {
--
2.17.2
next prev parent reply other threads:[~2019-02-18 13:03 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-02-18 13:03 [PATCH 0/9 V3] New ->fiemap infrastructure and ->bmap removal Carlos Maiolino
2019-02-18 13:03 ` [PATCH 1/9] fs: Enable bmap() function to properly return errors Carlos Maiolino
2019-02-18 13:03 ` Carlos Maiolino [this message]
2019-02-18 13:03 ` [PATCH 3/9] ecryptfs: drop direct calls to ->bmap Carlos Maiolino
2019-02-18 13:03 ` [PATCH 4/9 V3] fibmap: Use bmap instead of ->bmap method in ioctl_fibmap Carlos Maiolino
2019-02-18 13:03 ` [PATCH 5/9] fs: Move start and length fiemap fields into fiemap_extent_info Carlos Maiolino
2019-02-18 13:03 ` [PATCH 6/9] iomap: Remove length and start fields from iomap_fiemap Carlos Maiolino
2019-02-18 13:03 ` [PATCH 7/9 V3] fiemap: Use a callback to fill fiemap extents Carlos Maiolino
2019-02-18 13:03 ` [PATCH RFC 8/9] Use FIEMAP for FIBMAP calls Carlos Maiolino
2019-02-20 7:01 ` Andreas Dilger
2019-02-20 8:37 ` Carlos Maiolino
2019-02-18 13:03 ` [PATCH 9/9 V2] xfs: Get rid of ->bmap Carlos Maiolino
-- strict thread matches above, loose matches on Subject: below --
2019-07-31 14:12 [PATCH 0/9 V4] New ->fiemap infrastructure and ->bmap removal Carlos Maiolino
2019-07-31 14:12 ` [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
2019-09-11 13:43 [PATCH 0/9 V6] New ->fiemap infrastructure and ->bmap removal Carlos Maiolino
2019-09-11 13:43 ` [PATCH 2/9] cachefiles: drop direct usage of ->bmap method Carlos Maiolino
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