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iomap: Use iomap_punch_t typedef

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It makes it much easier if we have iomap_punch_t typedef for "punch"
function pointer in all delalloc related punch, scan and release
functions. It will be useful in later patches when we will factor out
iomap_write_delalloc_punch() function.

Suggested-by: Matthew Wilcox <willy@infradead.org>
Signed-off-by: Ritesh Harjani (IBM) <ritesh.list@gmail.com>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
This commit is contained in:
Ritesh Harjani (IBM) 2023-07-10 14:12:23 -07:00
parent eee2d2e6ea
commit 0af2b37d8e
1 changed files with 4 additions and 5 deletions
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9
fs/iomap/buffered-io.c
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@ -23,6 +23,7 @@
#define IOEND_BATCH_SIZE 4096
typedef int (*iomap_punch_t)(struct inode *inode, loff_t offset, loff_t length);
/*
* Structure allocated for each folio to track per-block uptodate state
* and I/O completions.
@ -901,7 +902,7 @@ EXPORT_SYMBOL_GPL(iomap_file_buffered_write);
*/
static int iomap_write_delalloc_scan(struct inode *inode,
loff_t *punch_start_byte, loff_t start_byte, loff_t end_byte,
int (*punch)(struct inode *inode, loff_t offset, loff_t length))
iomap_punch_t punch)
{
while (start_byte < end_byte) {
struct folio *folio;
@ -979,8 +980,7 @@ static int iomap_write_delalloc_scan(struct inode *inode,
* the code to subtle off-by-one bugs....
*/
static int iomap_write_delalloc_release(struct inode *inode,
loff_t start_byte, loff_t end_byte,
int (*punch)(struct inode *inode, loff_t pos, loff_t length))
loff_t start_byte, loff_t end_byte, iomap_punch_t punch)
{
loff_t punch_start_byte = start_byte;
loff_t scan_end_byte = min(i_size_read(inode), end_byte);
@ -1073,8 +1073,7 @@ out_unlock:
*/
int iomap_file_buffered_write_punch_delalloc(struct inode *inode,
struct iomap *iomap, loff_t pos, loff_t length,
ssize_t written,
int (*punch)(struct inode *inode, loff_t pos, loff_t length))
ssize_t written, iomap_punch_t punch)
{
loff_t start_byte;
loff_t end_byte;