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Subject[PATCH RFC PKS/PMEM 25/58] fs/reiserfs: 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: Jan Kara <jack@suse.cz>
Cc: "Theodore Ts'o" <tytso@mit.edu>
Cc: Randy Dunlap <rdunlap@infradead.org>
Cc: Alex Shi <alex.shi@linux.alibaba.com>
Signed-off-by: Ira Weiny <ira.weiny@intel.com>
---
fs/reiserfs/journal.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/fs/reiserfs/journal.c b/fs/reiserfs/journal.c
index e98f99338f8f..be8f56261e8c 100644
--- a/fs/reiserfs/journal.c
+++ b/fs/reiserfs/journal.c
@@ -4194,11 +4194,11 @@ static int do_journal_end(struct reiserfs_transaction_handle *th, int flags)
SB_ONDISK_JOURNAL_SIZE(sb)));
set_buffer_uptodate(tmp_bh);
page = cn->bh->b_page;
- addr = kmap(page);
+ addr = kmap_thread(page);
memcpy(tmp_bh->b_data,
addr + offset_in_page(cn->bh->b_data),
cn->bh->b_size);
- kunmap(page);
+ kunmap_thread(page);
mark_buffer_dirty(tmp_bh);
jindex++;
set_buffer_journal_dirty(cn->bh);
--
2.28.0.rc0.12.gb6a658bd00c9
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