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    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
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