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| author | David Howells <dhowells@redhat.com> | 2021-08-20 17:08:30 +0100 |
|---|---|---|
| committer | David Howells <dhowells@redhat.com> | 2023-12-24 15:08:51 +0000 |
| commit | c1ec4d7c2e13471558cfea302b7583856284f94c (patch) | |
| tree | 6899f7f54f3871ebd5b906a56b9828b0a73492cd /fs/9p | |
| parent | a34847d4b73c3a98b565b1d1cc6e1b70c661e18b (diff) | |
| download | linux-c1ec4d7c2e13471558cfea302b7583856284f94c.tar.gz linux-c1ec4d7c2e13471558cfea302b7583856284f94c.tar.bz2 linux-c1ec4d7c2e13471558cfea302b7583856284f94c.zip | |
netfs: Provide invalidate_folio and release_folio calls
Provide default invalidate_folio and release_folio calls. These will need
to interact with invalidation correctly at some point. They will be needed
if netfslib is to make use of folio->private for its own purposes.
Signed-off-by: David Howells <dhowells@redhat.com>
Reviewed-by: Jeff Layton <jlayton@kernel.org>
cc: linux-cachefs@redhat.com
cc: linux-fsdevel@vger.kernel.org
cc: linux-mm@kvack.org
Diffstat (limited to 'fs/9p')
| -rw-r--r-- | fs/9p/vfs_addr.c | 33 |
1 files changed, 2 insertions, 31 deletions
diff --git a/fs/9p/vfs_addr.c b/fs/9p/vfs_addr.c index 131b83c31f85..055b672a247d 100644 --- a/fs/9p/vfs_addr.c +++ b/fs/9p/vfs_addr.c @@ -88,35 +88,6 @@ const struct netfs_request_ops v9fs_req_ops = { .issue_read = v9fs_issue_read, }; -/** - * v9fs_release_folio - release the private state associated with a folio - * @folio: The folio to be released - * @gfp: The caller's allocation restrictions - * - * Returns true if the page can be released, false otherwise. - */ - -static bool v9fs_release_folio(struct folio *folio, gfp_t gfp) -{ - if (folio_test_private(folio)) - return false; -#ifdef CONFIG_9P_FSCACHE - if (folio_test_fscache(folio)) { - if (current_is_kswapd() || !(gfp & __GFP_FS)) - return false; - folio_wait_fscache(folio); - } - fscache_note_page_release(v9fs_inode_cookie(V9FS_I(folio_inode(folio)))); -#endif - return true; -} - -static void v9fs_invalidate_folio(struct folio *folio, size_t offset, - size_t length) -{ - folio_wait_fscache(folio); -} - #ifdef CONFIG_9P_FSCACHE static void v9fs_write_to_cache_done(void *priv, ssize_t transferred_or_error, bool was_async) @@ -324,8 +295,8 @@ const struct address_space_operations v9fs_addr_operations = { .writepage = v9fs_vfs_writepage, .write_begin = v9fs_write_begin, .write_end = v9fs_write_end, - .release_folio = v9fs_release_folio, - .invalidate_folio = v9fs_invalidate_folio, + .release_folio = netfs_release_folio, + .invalidate_folio = netfs_invalidate_folio, .launder_folio = v9fs_launder_folio, .direct_IO = v9fs_direct_IO, }; |