From mboxrd@z Thu Jan 1 00:00:00 1970 From: ira.weiny@intel.com Date: Fri, 9 Oct 2020 12:50:04 -0700 Subject: [Intel-wired-lan] [PATCH RFC PKS/PMEM 29/58] fs/ntfs: Utilize new kmap_thread() In-Reply-To: <20201009195033.3208459-1-ira.weiny@intel.com> References: <20201009195033.3208459-1-ira.weiny@intel.com> Message-ID: <20201009195033.3208459-30-ira.weiny@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: intel-wired-lan@osuosl.org List-ID: From: Ira Weiny The kmap() calls in this FS are localized to a single thread. To avoid the over head of global PKRS updates use the new kmap_thread() call. Cc: Anton Altaparmakov Signed-off-by: Ira Weiny --- fs/ntfs/aops.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/fs/ntfs/aops.c b/fs/ntfs/aops.c index bb0a43860ad2..11633d732809 100644 --- a/fs/ntfs/aops.c +++ b/fs/ntfs/aops.c @@ -1099,7 +1099,7 @@ static int ntfs_write_mst_block(struct page *page, if (!nr_bhs) goto done; /* Map the page so we can access its contents. */ - kaddr = kmap(page); + kaddr = kmap_thread(page); /* Clear the page uptodate flag whilst the mst fixups are applied. */ BUG_ON(!PageUptodate(page)); ClearPageUptodate(page); @@ -1276,7 +1276,7 @@ static int ntfs_write_mst_block(struct page *page, iput(VFS_I(base_tni)); } SetPageUptodate(page); - kunmap(page); + kunmap_thread(page); done: if (unlikely(err && err != -ENOMEM)) { /* -- 2.28.0.rc0.12.gb6a658bd00c9