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authorTrond Myklebust <trond.myklebust@hammerspace.com>2023-01-20 00:33:48 +0300
committerAnna Schumaker <Anna.Schumaker@Netapp.com>2023-02-14 22:22:33 +0300
commit96780ca55e3cbf4f150fd5a833a61492c9947b5b (patch)
tree2b3f114b7e4296e6fa568efab2f939c54101e007 /fs/nfs/file.c
parent70e9db69f927bb378db9aaa807cc83ae550779a9 (diff)
downloadlinux-96780ca55e3cbf4f150fd5a833a61492c9947b5b.tar.xz
NFS: fix up nfs_release_folio() to try to release the page
If the gfp context allows it, and we're not kswapd, then try to write out the folio that has private data. Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com> Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Diffstat (limited to 'fs/nfs/file.c')
-rw-r--r--fs/nfs/file.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/fs/nfs/file.c b/fs/nfs/file.c
index 563c5e0c55e8..3bed75c5250b 100644
--- a/fs/nfs/file.c
+++ b/fs/nfs/file.c
@@ -432,8 +432,13 @@ static bool nfs_release_folio(struct folio *folio, gfp_t gfp)
dfprintk(PAGECACHE, "NFS: release_folio(%p)\n", folio);
/* If the private flag is set, then the folio is not freeable */
- if (folio_test_private(folio))
- return false;
+ if (folio_test_private(folio)) {
+ if ((current_gfp_context(gfp) & GFP_KERNEL) != GFP_KERNEL ||
+ current_is_kswapd())
+ return false;
+ if (nfs_wb_folio(folio_file_mapping(folio)->host, folio) < 0)
+ return false;
+ }
return nfs_fscache_release_folio(folio, gfp);
}