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jbd: remove the second argument of k[un]map_atomic()
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Acked-by: Jan Kara <jack@suse.cz>
Signed-off-by: Cong Wang <amwang@redhat.com>
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Cong Wang authored and congwang committed Mar 20, 2012
1 parent d934928 commit 8fb53c4
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Showing 2 changed files with 8 additions and 8 deletions.
12 changes: 6 additions & 6 deletions fs/jbd/journal.c
Original file line number Diff line number Diff line change
Expand Up @@ -328,7 +328,7 @@ int 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);
/*
* Check for escaping
*/
Expand All @@ -337,7 +337,7 @@ int 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?
Expand All @@ -354,9 +354,9 @@ int 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);
Expand All @@ -368,9 +368,9 @@ int 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);
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4 changes: 2 additions & 2 deletions fs/jbd/transaction.c
Original file line number Diff line number Diff line change
Expand Up @@ -718,9 +718,9 @@ 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);
memcpy(jh->b_frozen_data, source+offset, jh2bh(jh)->b_size);
kunmap_atomic(source, KM_USER0);
kunmap_atomic(source);
}
jbd_unlock_bh_state(bh);

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