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iomap: pass private data to iomap_truncate_page

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Allow the file system to pass private data which can be used by the
iomap_begin and iomap_end methods through the private pointer in the
iomap_iter structure.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/20250206064035.2323428-12-hch@lst.de
Reviewed-by: "Darrick J. Wong" <djwong@kernel.org>
Signed-off-by: Christian Brauner <brauner@kernel.org>
This commit is contained in:
Christoph Hellwig
2025-02-06 07:40:09 +01:00
committed by Christian Brauner
parent c6d1b8d154
commit ddd402bbbf
3 changed files with 4 additions and 4 deletions
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4
fs/iomap/buffered-io.c
View File

@@ -1458,7 +1458,7 @@ EXPORT_SYMBOL_GPL(iomap_zero_range);
int
iomap_truncate_page(struct inode *inode, loff_t pos, bool *did_zero,
const struct iomap_ops *ops)
const struct iomap_ops *ops, void *private)
{
unsigned int blocksize = i_blocksize(inode);
unsigned int off = pos & (blocksize - 1);
@@ -1467,7 +1467,7 @@ iomap_truncate_page(struct inode *inode, loff_t pos, bool *did_zero,
if (!off)
return 0;
return iomap_zero_range(inode, pos, blocksize - off, did_zero, ops,
NULL);
private);
}
EXPORT_SYMBOL_GPL(iomap_truncate_page);

2
fs/xfs/xfs_iomap.c
View File

@@ -1512,5 +1512,5 @@ xfs_truncate_page(
return dax_truncate_page(inode, pos, did_zero,
&xfs_dax_write_iomap_ops);
return iomap_truncate_page(inode, pos, did_zero,
&xfs_buffered_write_iomap_ops);
&xfs_buffered_write_iomap_ops, NULL);
}

2
include/linux/iomap.h
View File

@@ -315,7 +315,7 @@ int iomap_file_unshare(struct inode *inode, loff_t pos, loff_t len,
int iomap_zero_range(struct inode *inode, loff_t pos, loff_t len,
bool *did_zero, const struct iomap_ops *ops, void *private);
int iomap_truncate_page(struct inode *inode, loff_t pos, bool *did_zero,
const struct iomap_ops *ops);
const struct iomap_ops *ops, void *private);
vm_fault_t iomap_page_mkwrite(struct vm_fault *vmf, const struct iomap_ops *ops,
void *private);
typedef void (*iomap_punch_t)(struct inode *inode, loff_t offset, loff_t length,