lkml.org 
[lkml]   [2020]   [Oct]   [9]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH RFC PKS/PMEM 24/58] fs/freevxfs: Utilize new kmap_thread()
Date
From: Ira Weiny <ira.weiny@intel.com>

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: Christoph Hellwig <hch@infradead.org>
Signed-off-by: Ira Weiny <ira.weiny@intel.com>
---
fs/freevxfs/vxfs_immed.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/fs/freevxfs/vxfs_immed.c b/fs/freevxfs/vxfs_immed.c
index bfc780c682fb..9c42fec4cd85 100644
--- a/fs/freevxfs/vxfs_immed.c
+++ b/fs/freevxfs/vxfs_immed.c
@@ -69,9 +69,9 @@ vxfs_immed_readpage(struct file *fp, struct page *pp)
u_int64_t offset = (u_int64_t)pp->index << PAGE_SHIFT;
caddr_t kaddr;

- kaddr = kmap(pp);
+ kaddr = kmap_thread(pp);
memcpy(kaddr, vip->vii_immed.vi_immed + offset, PAGE_SIZE);
- kunmap(pp);
+ kunmap_thread(pp);

flush_dcache_page(pp);
SetPageUptodate(pp);
--
2.28.0.rc0.12.gb6a658bd00c9
\
 
 \ /
  Last update: 2020-10-09 22:08    [W:0.426 / U:0.056 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site