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-rw-r--r--fs/gfs2/aops.c5
-rw-r--r--fs/gfs2/lops.c12
-rw-r--r--fs/gfs2/quota.c5
3 files changed, 7 insertions, 15 deletions
diff --git a/fs/gfs2/aops.c b/fs/gfs2/aops.c
index c45bac9b5408..b11ec198183b 100644
--- a/fs/gfs2/aops.c
+++ b/fs/gfs2/aops.c
@@ -488,7 +488,6 @@ int gfs2_internal_read(struct gfs2_inode *ip, char *buf, loff_t *pos,
unsigned copied = 0;
unsigned amt;
struct page *page;
- void *p;
do {
page = read_cache_page(mapping, index, gfs2_read_folio, NULL);
@@ -497,12 +496,10 @@ int gfs2_internal_read(struct gfs2_inode *ip, char *buf, loff_t *pos,
continue;
return PTR_ERR(page);
}
- p = kmap_local_page(page);
amt = size - copied;
if (offset + size > PAGE_SIZE)
amt = PAGE_SIZE - offset;
- memcpy(buf + copied, p + offset, amt);
- kunmap_local(p);
+ memcpy_from_page(buf + copied, page, offset, amt);
put_page(page);
copied += amt;
index++;
diff --git a/fs/gfs2/lops.c b/fs/gfs2/lops.c
index 17641d90394b..251322b01631 100644
--- a/fs/gfs2/lops.c
+++ b/fs/gfs2/lops.c
@@ -697,14 +697,12 @@ static void gfs2_before_commit(struct gfs2_sbd *sdp, unsigned int limit,
lock_buffer(bd2->bd_bh);
if (buffer_escaped(bd2->bd_bh)) {
- void *kaddr;
+ void *p;
+
page = mempool_alloc(gfs2_page_pool, GFP_NOIO);
- ptr = page_address(page);
- kaddr = kmap_local_page(bd2->bd_bh->b_page);
- memcpy(ptr, kaddr + bh_offset(bd2->bd_bh),
- bd2->bd_bh->b_size);
- kunmap_local(kaddr);
- *(__be32 *)ptr = 0;
+ p = page_address(page);
+ memcpy_from_page(p, page, bh_offset(bd2->bd_bh), bd2->bd_bh->b_size);
+ *(__be32 *)p = 0;
clear_buffer_escaped(bd2->bd_bh);
unlock_buffer(bd2->bd_bh);
brelse(bd2->bd_bh);
diff --git a/fs/gfs2/quota.c b/fs/gfs2/quota.c
index 42a3f1e6b553..7765346e3617 100644
--- a/fs/gfs2/quota.c
+++ b/fs/gfs2/quota.c
@@ -712,7 +712,6 @@ static int gfs2_write_buf_to_page(struct gfs2_inode *ip, unsigned long index,
struct address_space *mapping = inode->i_mapping;
struct page *page;
struct buffer_head *bh;
- void *kaddr;
u64 blk;
unsigned bsize = sdp->sd_sb.sb_bsize, bnum = 0, boff = 0;
unsigned to_write = bytes, pg_off = off;
@@ -764,9 +763,7 @@ static int gfs2_write_buf_to_page(struct gfs2_inode *ip, unsigned long index,
}
/* Write to the page, now that we have setup the buffer(s) */
- kaddr = kmap_local_page(page);
- memcpy(kaddr + off, buf, bytes);
- kunmap_local(kaddr);
+ memcpy_to_page(page, off, buf, bytes);
flush_dcache_page(page);
unlock_page(page);
put_page(page);