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: David Woodhouse dwmw2@infradead.org Cc: Richard Weinberger richard@nod.at Signed-off-by: Ira Weiny ira.weiny@intel.com --- fs/jffs2/file.c | 4 ++-- fs/jffs2/gc.c | 4 ++-- 2 files changed, 4 insertions(+), 4 deletions(-)
diff --git a/fs/jffs2/file.c b/fs/jffs2/file.c index f8fb89b10227..3e6d54f9b011 100644 --- a/fs/jffs2/file.c +++ b/fs/jffs2/file.c @@ -88,7 +88,7 @@ static int jffs2_do_readpage_nolock (struct inode *inode, struct page *pg)
BUG_ON(!PageLocked(pg));
- pg_buf = kmap(pg); + pg_buf = kmap_thread(pg); /* FIXME: Can kmap fail? */
ret = jffs2_read_inode_range(c, f, pg_buf, pg->index << PAGE_SHIFT, @@ -103,7 +103,7 @@ static int jffs2_do_readpage_nolock (struct inode *inode, struct page *pg) }
flush_dcache_page(pg); - kunmap(pg); + kunmap_thread(pg);
jffs2_dbg(2, "readpage finished\n"); return ret; diff --git a/fs/jffs2/gc.c b/fs/jffs2/gc.c index 373b3b7c9f44..a7259783ab84 100644 --- a/fs/jffs2/gc.c +++ b/fs/jffs2/gc.c @@ -1335,7 +1335,7 @@ static int jffs2_garbage_collect_dnode(struct jffs2_sb_info *c, struct jffs2_era return PTR_ERR(page); }
- pg_ptr = kmap(page); + pg_ptr = kmap_thread(page); mutex_lock(&f->sem);
offset = start; @@ -1400,7 +1400,7 @@ static int jffs2_garbage_collect_dnode(struct jffs2_sb_info *c, struct jffs2_era } }
- kunmap(page); + kunmap_thread(page); put_page(page); return ret; }