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nfs: use writeback_iter directly 

Stop using write_cache_pages and use writeback_iter directly.  This
removes an indirect call per written folio and makes the code easier
to follow.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Anna Schumaker <anna.schumaker@oracle.com>
This commit is contained in:
Christoph Hellwig 2025-05-07 06:48:54 +02:00 committed by Anna Schumaker
parent 66a4981350
commit f72a67598c
1 changed files with 6 additions and 12 deletions
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18
fs/nfs/write.c
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@ -694,16 +694,6 @@ static int nfs_writepage_locked(struct folio *folio,
return err;
}
static int nfs_writepages_callback(struct folio *folio,
struct writeback_control *wbc, void *data)
{
int ret;
ret = nfs_do_writepage(folio, wbc, data);
folio_unlock(folio);
return ret;
}
static void nfs_io_completion_commit(void *inode)
{
nfs_commit_inode(inode, 0);
@ -739,11 +729,15 @@ int nfs_writepages(struct address_space *mapping, struct writeback_control *wbc)
}
do {
struct folio *folio = NULL;
nfs_pageio_init_write(&pgio, inode, priority, false,
&nfs_async_write_completion_ops);
pgio.pg_io_completion = ioc;
err = write_cache_pages(mapping, wbc, nfs_writepages_callback,
&pgio);
while ((folio = writeback_iter(mapping, wbc, folio, &err))) {
err = nfs_do_writepage(folio, wbc, &pgio);
folio_unlock(folio);
}
pgio.pg_error = 0;
nfs_pageio_complete(&pgio);
if (err == -EAGAIN && mntflags & NFS_MOUNT_SOFTERR)