From: Ira Weiny <ira.weiny@xxxxxxxxx>
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: Bob Peterson <rpeterso@xxxxxxxxxx>
Cc: Andreas Gruenbacher <agruenba@xxxxxxxxxx>
Signed-off-by: Ira Weiny <ira.weiny@xxxxxxxxx>
---
fs/gfs2/bmap.c | 4 ++--
fs/gfs2/ops_fstype.c | 4 ++--
2 files changed, 4 insertions(+), 4 deletions(-)
diff --git a/fs/gfs2/bmap.c b/fs/gfs2/bmap.c
index 0f69fbd4af66..375af4528411 100644
--- a/fs/gfs2/bmap.c
+++ b/fs/gfs2/bmap.c
@@ -67,7 +67,7 @@ static int gfs2_unstuffer_page(struct gfs2_inode *ip, struct buffer_head *dibh,
}
if (!PageUptodate(page)) {
- void *kaddr = kmap(page);
+ void *kaddr = kmap_thread(page);
u64 dsize = i_size_read(inode);
if (dsize > gfs2_max_stuffed_size(ip))
@@ -75,7 +75,7 @@ static int gfs2_unstuffer_page(struct gfs2_inode *ip, struct buffer_head *dibh,
memcpy(kaddr, dibh->b_data + sizeof(struct gfs2_dinode), dsize);
memset(kaddr + dsize, 0, PAGE_SIZE - dsize);
- kunmap(page);
+ kunmap_thread(page);
SetPageUptodate(page);
}
diff --git a/fs/gfs2/ops_fstype.c b/fs/gfs2/ops_fstype.c
index 6d18d2c91add..a5d20d9b504a 100644
--- a/fs/gfs2/ops_fstype.c
+++ b/fs/gfs2/ops_fstype.c
@@ -263,9 +263,9 @@ static int gfs2_read_super(struct gfs2_sbd *sdp, sector_t sector, int silent)
__free_page(page);
return -EIO;
}
- p = kmap(page);
+ p = kmap_thread(page);
gfs2_sb_in(sdp, p);
- kunmap(page);
+ kunmap_thread(page);
__free_page(page);
return gfs2_check_sb(sdp, silent);
}
--
2.28.0.rc0.12.gb6a658bd00c9
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