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| author | Chris Mason | 2008-11-10 17:53:33 +0100 |
|---|---|---|
| committer | Chris Mason | 2008-11-10 17:53:33 +0100 |
| commit | 445a69449994a37615cd47e47bcab2e42a070adf (patch) | |
| tree | eb41f8246fe64bd32c1bb9ee544b1b27866ec79b /fs/btrfs/inode.c | |
| parent | Btrfs: Use invalidatepage when writepage finds a page outside of i_size (diff) | |
| download | kernel-qcow2-linux-445a69449994a37615cd47e47bcab2e42a070adf.tar.gz kernel-qcow2-linux-445a69449994a37615cd47e47bcab2e42a070adf.tar.xz kernel-qcow2-linux-445a69449994a37615cd47e47bcab2e42a070adf.zip | |
Btrfs: Fix usage of struct extent_map->orig_start
This makes sure the orig_start field in struct extent_map gets set
everywhere the extent_map structs are created or modified.
Signed-off-by: Chris Mason <chris.mason@oracle.com>
Diffstat (limited to 'fs/btrfs/inode.c')
| -rw-r--r-- | fs/btrfs/inode.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c index 59660293d291..5ca9c0672374 100644 --- a/fs/btrfs/inode.c +++ b/fs/btrfs/inode.c @@ -610,6 +610,7 @@ static noinline int submit_compressed_extents(struct inode *inode, em = alloc_extent_map(GFP_NOFS); em->start = async_extent->start; em->len = async_extent->ram_size; + em->orig_start = em->start; em->block_start = ins.objectid; em->block_len = ins.offset; @@ -743,6 +744,7 @@ static noinline int cow_file_range(struct inode *inode, } em = alloc_extent_map(GFP_NOFS); em->start = start; + em->orig_start = em->start; ram_size = ins.offset; em->len = ins.offset; @@ -1057,6 +1059,7 @@ out_check: em_tree = &BTRFS_I(inode)->extent_tree; em = alloc_extent_map(GFP_NOFS); em->start = cur_offset; + em->orig_start = em->start; em->len = num_bytes; em->block_len = num_bytes; em->block_start = disk_bytenr; @@ -3876,6 +3879,7 @@ again: } em->bdev = root->fs_info->fs_devices->latest_bdev; em->start = EXTENT_MAP_HOLE; + em->orig_start = EXTENT_MAP_HOLE; em->len = (u64)-1; em->block_len = (u64)-1; |