From 303a8f2afc7ba01083b50b7fceac2a412f28da4e Mon Sep 17 00:00:00 2001 From: Cong Wang Date: Fri, 25 Nov 2011 23:14:31 +0800 Subject: [PATCH] jbd2: remove the second argument of k[un]map_atomic() Signed-off-by: Cong Wang --- fs/jbd2/commit.c | 4 ++-- fs/jbd2/journal.c | 12 ++++++------ fs/jbd2/transaction.c | 4 ++-- 3 files changed, 10 insertions(+), 10 deletions(-) diff --git a/fs/jbd2/commit.c b/fs/jbd2/commit.c index 5069b8475150..c067a8cae63b 100644 --- a/fs/jbd2/commit.c +++ b/fs/jbd2/commit.c @@ -286,10 +286,10 @@ static __u32 jbd2_checksum_data(__u32 crc32_sum, struct buffer_head *bh) char *addr; __u32 checksum; - addr = kmap_atomic(page, KM_USER0); + addr = kmap_atomic(page); checksum = crc32_be(crc32_sum, (void *)(addr + offset_in_page(bh->b_data)), bh->b_size); - kunmap_atomic(addr, KM_USER0); + kunmap_atomic(addr); return checksum; } diff --git a/fs/jbd2/journal.c b/fs/jbd2/journal.c index c0a5f9f1b127..5ff8940b8f02 100644 --- a/fs/jbd2/journal.c +++ b/fs/jbd2/journal.c @@ -345,7 +345,7 @@ int jbd2_journal_write_metadata_buffer(transaction_t *transaction, new_offset = offset_in_page(jh2bh(jh_in)->b_data); } - mapped_data = kmap_atomic(new_page, KM_USER0); + mapped_data = kmap_atomic(new_page); /* * Fire data frozen trigger if data already wasn't frozen. Do this * before checking for escaping, as the trigger may modify the magic @@ -364,7 +364,7 @@ int jbd2_journal_write_metadata_buffer(transaction_t *transaction, need_copy_out = 1; do_escape = 1; } - kunmap_atomic(mapped_data, KM_USER0); + kunmap_atomic(mapped_data); /* * Do we need to do a data copy? @@ -385,9 +385,9 @@ int jbd2_journal_write_metadata_buffer(transaction_t *transaction, } jh_in->b_frozen_data = tmp; - mapped_data = kmap_atomic(new_page, KM_USER0); + mapped_data = kmap_atomic(new_page); memcpy(tmp, mapped_data + new_offset, jh2bh(jh_in)->b_size); - kunmap_atomic(mapped_data, KM_USER0); + kunmap_atomic(mapped_data); new_page = virt_to_page(tmp); new_offset = offset_in_page(tmp); @@ -406,9 +406,9 @@ int jbd2_journal_write_metadata_buffer(transaction_t *transaction, * copying, we can finally do so. */ if (do_escape) { - mapped_data = kmap_atomic(new_page, KM_USER0); + mapped_data = kmap_atomic(new_page); *((unsigned int *)(mapped_data + new_offset)) = 0; - kunmap_atomic(mapped_data, KM_USER0); + kunmap_atomic(mapped_data); } set_bh_page(new_bh, new_page, new_offset); diff --git a/fs/jbd2/transaction.c b/fs/jbd2/transaction.c index 35ae096bed5d..e5aba56e1fd5 100644 --- a/fs/jbd2/transaction.c +++ b/fs/jbd2/transaction.c @@ -783,12 +783,12 @@ do_get_write_access(handle_t *handle, struct journal_head *jh, "Possible IO failure.\n"); page = jh2bh(jh)->b_page; offset = offset_in_page(jh2bh(jh)->b_data); - source = kmap_atomic(page, KM_USER0); + source = kmap_atomic(page); /* Fire data frozen trigger just before we copy the data */ jbd2_buffer_frozen_trigger(jh, source + offset, jh->b_triggers); memcpy(jh->b_frozen_data, source+offset, jh2bh(jh)->b_size); - kunmap_atomic(source, KM_USER0); + kunmap_atomic(source); /* * Now that the frozen data is saved off, we need to store -- GitLab