diff options
| -rw-r--r-- | ext2fs/pager.c | 10 |
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) |