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iomap: Rename page_prepare handler to get_folio

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The ->page_prepare() handler in struct iomap_page_ops is now somewhat
misnamed, so rename it to ->get_folio().

Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
This commit is contained in:
Andreas Gruenbacher 2023-01-15 08:50:25 -08:00 committed by Darrick J. Wong
parent 07c22b5668
commit c82abc2394
3 changed files with 8 additions and 8 deletions
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6
fs/gfs2/bmap.c
View File

@ -957,7 +957,7 @@ hole_found:
}
static struct folio *
gfs2_iomap_page_prepare(struct iomap_iter *iter, loff_t pos, unsigned len)
gfs2_iomap_get_folio(struct iomap_iter *iter, loff_t pos, unsigned len)
{
struct inode *inode = iter->inode;
unsigned int blockmask = i_blocksize(inode) - 1;
@ -998,7 +998,7 @@ static void gfs2_iomap_put_folio(struct inode *inode, loff_t pos,
}
static const struct iomap_page_ops gfs2_iomap_page_ops = {
.page_prepare = gfs2_iomap_page_prepare,
.get_folio = gfs2_iomap_get_folio,
.put_folio = gfs2_iomap_put_folio,
};
@ -1291,7 +1291,7 @@ int gfs2_alloc_extent(struct inode *inode, u64 lblock, u64 *dblock,
/*
* NOTE: Never call gfs2_block_zero_range with an open transaction because it
* uses iomap write to perform its actions, which begin their own transactions
* (iomap_begin, page_prepare, etc.)
* (iomap_begin, get_folio, etc.)
*/
static int gfs2_block_zero_range(struct inode *inode, loff_t from,
unsigned int length)

4
fs/iomap/buffered-io.c
View File

@ -607,8 +607,8 @@ static struct folio *__iomap_get_folio(struct iomap_iter *iter, loff_t pos,
{
const struct iomap_page_ops *page_ops = iter->iomap.page_ops;
if (page_ops && page_ops->page_prepare)
return page_ops->page_prepare(iter, pos, len);
if (page_ops && page_ops->get_folio)
return page_ops->get_folio(iter, pos, len);
else
return iomap_get_folio(iter, pos);
}

6
include/linux/iomap.h
View File

@ -126,17 +126,17 @@ static inline bool iomap_inline_data_valid(const struct iomap *iomap)
}
/*
* When a filesystem sets page_ops in an iomap mapping it returns, page_prepare
* When a filesystem sets page_ops in an iomap mapping it returns, get_folio
* and put_folio will be called for each folio written to. This only applies
* to buffered writes as unbuffered writes will not typically have folios
* associated with them.
*
* When page_prepare succeeds, put_folio will always be called to do any
* When get_folio succeeds, put_folio will always be called to do any
* cleanup work necessary. put_folio is responsible for unlocking and putting
* @folio.
*/
struct iomap_page_ops {
struct folio *(*page_prepare)(struct iomap_iter *iter, loff_t pos,
struct folio *(*get_folio)(struct iomap_iter *iter, loff_t pos,
unsigned len);
void (*put_folio)(struct inode *inode, loff_t pos, unsigned copied,
struct folio *folio);