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Btrfs: Use KM_USERN instead of KM_IRQ during data summing

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Signed-off-by: Chris Mason <chris.mason@oracle.com>
This commit is contained in:
Chris Mason 2008-02-21 09:30:08 -05:00
parent 55d4741489
commit eb20978f31
1 changed files with 5 additions and 5 deletions
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10
fs/btrfs/file-item.c
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@ -278,11 +278,11 @@ found:
btrfs_item_size_nr(leaf, path->slots[0])); btrfs_item_size_nr(leaf, path->slots[0]));
eb_token = NULL; eb_token = NULL;
next_bvec: next_bvec:
data = kmap_atomic(bvec->bv_page, KM_IRQ0); data = kmap_atomic(bvec->bv_page, KM_USER0);
csum_result = ~(u32)0; csum_result = ~(u32)0;
csum_result = btrfs_csum_data(root, data + bvec->bv_offset, csum_result = btrfs_csum_data(root, data + bvec->bv_offset,
csum_result, bvec->bv_len); csum_result, bvec->bv_len);
kunmap_atomic(data, KM_IRQ0); kunmap_atomic(data, KM_USER0);
btrfs_csum_final(csum_result, (char *)&csum_result); btrfs_csum_final(csum_result, (char *)&csum_result);
if (csum_result == 0) { if (csum_result == 0) {
printk("csum result is 0 for inode %lu offset %Lu\n", inode->i_ino, offset); printk("csum result is 0 for inode %lu offset %Lu\n", inode->i_ino, offset);
@ -293,12 +293,12 @@ next_bvec:
int err; int err;
if (eb_token) if (eb_token)
unmap_extent_buffer(leaf, eb_token, KM_IRQ1); unmap_extent_buffer(leaf, eb_token, KM_USER1);
eb_token = NULL; eb_token = NULL;
err = map_private_extent_buffer(leaf, (unsigned long)item, err = map_private_extent_buffer(leaf, (unsigned long)item,
BTRFS_CRC32_SIZE, BTRFS_CRC32_SIZE,
&eb_token, &eb_map, &eb_token, &eb_map,
&map_start, &map_len, KM_IRQ1); &map_start, &map_len, KM_USER1);
if (err) if (err)
eb_token = NULL; eb_token = NULL;
} }
@ -321,7 +321,7 @@ next_bvec:
} }
} }
if (eb_token) { if (eb_token) {
unmap_extent_buffer(leaf, eb_token, KM_IRQ1); unmap_extent_buffer(leaf, eb_token, KM_USER1);
eb_token = NULL; eb_token = NULL;
} }
btrfs_mark_buffer_dirty(path->nodes[0]); btrfs_mark_buffer_dirty(path->nodes[0]);