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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2022-05-02 14:49:24 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2022-05-02 14:49:24 +0300
commit35a7609639c49f76f13f206402cbf692c4ae3e4e (patch)
tree55c8cf59f8bac0754eff06a3f102d2d819dc39ed /fs/nfsd/filecache.c
parente918c10265ef2bc82ce8a6fed6d8123d09ec1db3 (diff)
parent672c0c5173427e6b3e2a9bbb7be51ceeec78093a (diff)
downloadlinux-35a7609639c49f76f13f206402cbf692c4ae3e4e.tar.xz
Merge 5.18-rc5 into char-misc-next
We need the char-misc fixes in here as well. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'fs/nfsd/filecache.c')
-rw-r--r--fs/nfsd/filecache.c25
1 files changed, 15 insertions, 10 deletions
diff --git a/fs/nfsd/filecache.c b/fs/nfsd/filecache.c
index c08882f5867b..2c1b027774d4 100644
--- a/fs/nfsd/filecache.c
+++ b/fs/nfsd/filecache.c
@@ -237,6 +237,13 @@ nfsd_file_check_write_error(struct nfsd_file *nf)
}
static void
+nfsd_file_flush(struct nfsd_file *nf)
+{
+ if (nf->nf_file && vfs_fsync(nf->nf_file, 1) != 0)
+ nfsd_reset_write_verifier(net_generic(nf->nf_net, nfsd_net_id));
+}
+
+static void
nfsd_file_do_unhash(struct nfsd_file *nf)
{
lockdep_assert_held(&nfsd_file_hashtbl[nf->nf_hashval].nfb_lock);
@@ -295,19 +302,15 @@ nfsd_file_put_noref(struct nfsd_file *nf)
void
nfsd_file_put(struct nfsd_file *nf)
{
- bool is_hashed;
-
set_bit(NFSD_FILE_REFERENCED, &nf->nf_flags);
- if (refcount_read(&nf->nf_ref) > 2 || !nf->nf_file) {
+ if (test_bit(NFSD_FILE_HASHED, &nf->nf_flags) == 0) {
+ nfsd_file_flush(nf);
nfsd_file_put_noref(nf);
- return;
+ } else {
+ nfsd_file_put_noref(nf);
+ if (nf->nf_file)
+ nfsd_file_schedule_laundrette();
}
-
- filemap_flush(nf->nf_file->f_mapping);
- is_hashed = test_bit(NFSD_FILE_HASHED, &nf->nf_flags) != 0;
- nfsd_file_put_noref(nf);
- if (is_hashed)
- nfsd_file_schedule_laundrette();
if (atomic_long_read(&nfsd_filecache_count) >= NFSD_FILE_LRU_LIMIT)
nfsd_file_gc();
}
@@ -328,6 +331,7 @@ nfsd_file_dispose_list(struct list_head *dispose)
while(!list_empty(dispose)) {
nf = list_first_entry(dispose, struct nfsd_file, nf_lru);
list_del(&nf->nf_lru);
+ nfsd_file_flush(nf);
nfsd_file_put_noref(nf);
}
}
@@ -341,6 +345,7 @@ nfsd_file_dispose_list_sync(struct list_head *dispose)
while(!list_empty(dispose)) {
nf = list_first_entry(dispose, struct nfsd_file, nf_lru);
list_del(&nf->nf_lru);
+ nfsd_file_flush(nf);
if (!refcount_dec_and_test(&nf->nf_ref))
continue;
if (nfsd_file_free(nf))