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authorMiles Bader <miles@gnu.org>1995-04-24 23:12:19 +0000
committerMiles Bader <miles@gnu.org>1995-04-24 23:12:19 +0000
commitd3943be0ac60f81c7c34ea4c680e7c7ba19eca8e (patch)
tree0243d4f927b88cf55a88603e36daf42ef1397053 /ext2fs/pager.c
parent5bddca921de4f027f4e291715367590fe8cd758b (diff)
Formerly pager.c.~20~
Diffstat (limited to 'ext2fs/pager.c')
-rw-r--r--ext2fs/pager.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/ext2fs/pager.c b/ext2fs/pager.c
index dea06fa7..3130fda4 100644
--- a/ext2fs/pager.c
+++ b/ext2fs/pager.c
@@ -187,6 +187,8 @@ pending_blocks_write (struct pending_blocks *pb)
daddr_t dev_block = pb->block << log2_dev_blocks_per_fs_block;
int length = pb->num << log2_block_size;
+printf ("Writing %d pending block(s) at %d\n", pb->num, pb->block);
+
if (pb->offs > 0)
/* Put what we're going to write into a page-aligned buffer. */
{
@@ -237,6 +239,7 @@ pending_blocks_add (struct pending_blocks *pb, daddr_t block)
if (err)
return err;
pb->block = block;
+ printf ("Adding pending block %d\n", block);
}
pb->num++;
return 0;
@@ -261,6 +264,8 @@ file_pager_write_page (struct node *node, vm_offset_t offset, vm_address_t buf)
if (offset + left > node->allocsize)
left = left > node->allocsize - offset;
+ printf ("Writing file_pager page %d[%d]\n", offset, left);
+
while (left > 0)
{
err = find_block (node, offset, &block, 1, &node_lock);
@@ -309,6 +314,8 @@ disk_pager_write_page (vm_offset_t page, vm_address_t buf)
if (page + vm_page_size > device_size)
length = device_size - page;
+ printf ("Writing disk_pager page %d[%d]\n", page, length);
+
if (modified_global_blocks)
/* Be picky about which blocks in a page that we write. */
{
@@ -326,6 +333,8 @@ disk_pager_write_page (vm_offset_t page, vm_address_t buf)
modified = clear_bit (block, modified_global_blocks);
spin_unlock (&modified_global_blocks_lock);
+ printf ("Disk_pager block %d %s\n", block, (modified ? "modified" : "unmodified"));
+
if (modified)
/* This block's been modified, so write it out. */
err = pending_blocks_add (&pb, block);
@@ -334,6 +343,7 @@ disk_pager_write_page (vm_offset_t page, vm_address_t buf)
err = pending_blocks_skip (&pb);
offs += block_size;
+ length -= block_size;
}
if (!err)