From c1ec4d7c2e13471558cfea302b7583856284f94c Mon Sep 17 00:00:00 2001 From: David Howells Date: Fri, 20 Aug 2021 17:08:30 +0100 Subject: 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 Reviewed-by: Jeff Layton cc: linux-cachefs@redhat.com cc: linux-fsdevel@vger.kernel.org cc: linux-mm@kvack.org --- fs/ceph/addr.c | 24 ++---------------------- fs/ceph/cache.h | 10 ---------- 2 files changed, 2 insertions(+), 32 deletions(-) (limited to 'fs/ceph') diff --git a/fs/ceph/addr.c b/fs/ceph/addr.c index 3b8641febeac..8eedc62e7ac4 100644 --- a/fs/ceph/addr.c +++ b/fs/ceph/addr.c @@ -159,27 +159,7 @@ static void ceph_invalidate_folio(struct folio *folio, size_t offset, ceph_put_snap_context(snapc); } - folio_wait_fscache(folio); -} - -static bool ceph_release_folio(struct folio *folio, gfp_t gfp) -{ - struct inode *inode = folio->mapping->host; - struct ceph_client *cl = ceph_inode_to_client(inode); - - doutc(cl, "%llx.%llx idx %lu (%sdirty)\n", ceph_vinop(inode), - folio->index, folio_test_dirty(folio) ? "" : "not "); - - if (folio_test_private(folio)) - return false; - - if (folio_test_fscache(folio)) { - if (current_is_kswapd() || !(gfp & __GFP_FS)) - return false; - folio_wait_fscache(folio); - } - ceph_fscache_note_page_release(inode); - return true; + netfs_invalidate_folio(folio, offset, length); } static void ceph_netfs_expand_readahead(struct netfs_io_request *rreq) @@ -1585,7 +1565,7 @@ const struct address_space_operations ceph_aops = { .write_end = ceph_write_end, .dirty_folio = ceph_dirty_folio, .invalidate_folio = ceph_invalidate_folio, - .release_folio = ceph_release_folio, + .release_folio = netfs_release_folio, .direct_IO = noop_direct_IO, }; diff --git a/fs/ceph/cache.h b/fs/ceph/cache.h index 8fc7d828d990..20efac020394 100644 --- a/fs/ceph/cache.h +++ b/fs/ceph/cache.h @@ -56,12 +56,6 @@ static inline bool ceph_is_cache_enabled(struct inode *inode) return fscache_cookie_enabled(ceph_fscache_cookie(ceph_inode(inode))); } -static inline void ceph_fscache_note_page_release(struct inode *inode) -{ - struct ceph_inode_info *ci = ceph_inode(inode); - - fscache_note_page_release(ceph_fscache_cookie(ci)); -} #else /* CONFIG_CEPH_FSCACHE */ static inline int ceph_fscache_register_fs(struct ceph_fs_client* fsc, struct fs_context *fc) @@ -118,10 +112,6 @@ static inline bool ceph_is_cache_enabled(struct inode *inode) { return false; } - -static inline void ceph_fscache_note_page_release(struct inode *inode) -{ -} #endif /* CONFIG_CEPH_FSCACHE */ #endif -- cgit