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| author | Matthew Wilcox (Oracle) <willy@infradead.org> | 2022-04-29 08:43:23 -0400 |
|---|---|---|
| committer | Matthew Wilcox (Oracle) <willy@infradead.org> | 2022-05-09 16:21:40 -0400 |
| commit | 5efe7448a1426250b5747c10ad438517f44f1e51 (patch) | |
| tree | afe256df7b4de7af6d60304322efa36813f2016c /fs | |
| parent | 6c2ae0d5db57d772a11f2d7399da5e22f94767d6 (diff) | |
| download | lwn-5efe7448a1426250b5747c10ad438517f44f1e51.tar.gz lwn-5efe7448a1426250b5747c10ad438517f44f1e51.zip | |
fs: Introduce aops->read_folio
Change all the callers of ->readpage to call ->read_folio in preference,
if it exists. This is a transitional duplication, and will be removed
by the end of the series.
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/btrfs/file.c | 2 | ||||
| -rw-r--r-- | fs/buffer.c | 5 | ||||
| -rw-r--r-- | fs/ceph/addr.c | 2 |
3 files changed, 6 insertions, 3 deletions
diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c index 380054c94e4b..59510d7b1c65 100644 --- a/fs/btrfs/file.c +++ b/fs/btrfs/file.c @@ -2401,7 +2401,7 @@ static int btrfs_file_mmap(struct file *filp, struct vm_area_struct *vma) { struct address_space *mapping = filp->f_mapping; - if (!mapping->a_ops->readpage) + if (!mapping->a_ops->readpage && !mapping->a_ops->read_folio) return -ENOEXEC; file_accessed(filp); diff --git a/fs/buffer.c b/fs/buffer.c index 9737e0dbe3ec..225d03cd622d 100644 --- a/fs/buffer.c +++ b/fs/buffer.c @@ -2824,7 +2824,10 @@ int nobh_truncate_page(struct address_space *mapping, /* Ok, it's mapped. Make sure it's up-to-date */ if (!folio_test_uptodate(folio)) { - err = mapping->a_ops->readpage(NULL, &folio->page); + if (mapping->a_ops->read_folio) + err = mapping->a_ops->read_folio(NULL, folio); + else + err = mapping->a_ops->readpage(NULL, &folio->page); if (err) { folio_put(folio); goto out; diff --git a/fs/ceph/addr.c b/fs/ceph/addr.c index e65541a51b68..42bba2b5d98b 100644 --- a/fs/ceph/addr.c +++ b/fs/ceph/addr.c @@ -1772,7 +1772,7 @@ int ceph_mmap(struct file *file, struct vm_area_struct *vma) { struct address_space *mapping = file->f_mapping; - if (!mapping->a_ops->readpage) + if (!mapping->a_ops->readpage && !mapping->a_ops->read_folio) return -ENOEXEC; file_accessed(file); vma->vm_ops = &ceph_vmops; |