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authorChris Mason <chris.mason@oracle.com>2008-11-10 11:53:33 -0500
committerChris Mason <chris.mason@oracle.com>2008-11-10 11:53:33 -0500
commit445a69449994a37615cd47e47bcab2e42a070adf (patch)
treeeb41f8246fe64bd32c1bb9ee544b1b27866ec79b /fs/btrfs/file.c
parent39be25cd89450940b0e5f8a6aad71d1ec99b17bf (diff)
downloadop-kernel-dev-445a69449994a37615cd47e47bcab2e42a070adf.zip
op-kernel-dev-445a69449994a37615cd47e47bcab2e42a070adf.tar.gz
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/file.c')
-rw-r--r--fs/btrfs/file.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c
index 85841c5..4119f9a 100644
--- a/fs/btrfs/file.c
+++ b/fs/btrfs/file.c
@@ -244,16 +244,17 @@ int btrfs_drop_extent_cache(struct inode *inode, u64 start, u64 end,
split->start = start + len;
split->len = em->start + em->len - (start + len);
- split->orig_start = em->orig_start;
split->bdev = em->bdev;
split->flags = flags;
if (compressed) {
split->block_len = em->block_len;
split->block_start = em->block_start;
+ split->orig_start = em->orig_start;
} else {
split->block_len = split->len;
split->block_start = em->block_start + diff;
+ split->orig_start = split->start;
}
ret = add_extent_mapping(em_tree, split);
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