Commit f392a938 authored by Chris Mason's avatar Chris Mason

Properly align the hole size in btrfs_setattr

Signed-off-by: default avatarChris Mason <chris.mason@oracle.com>
parent b1632b10
......@@ -1001,7 +1001,7 @@ static int btrfs_setattr(struct dentry *dentry, struct iattr *attr)
u64 mask = root->sectorsize - 1;
u64 pos = (inode->i_size + mask) & ~mask;
u64 block_end = attr->ia_size | mask;
u64 block_end = (attr->ia_size + mask) & ~mask;
u64 hole_start;
u64 hole_size;
u64 alloc_hint = 0;
......@@ -1022,7 +1022,7 @@ static int btrfs_setattr(struct dentry *dentry, struct iattr *attr)
btrfs_truncate_page(inode->i_mapping, inode->i_size);
lock_extent(io_tree, pos, block_end, GFP_NOFS);
lock_extent(io_tree, pos, block_end - 1, GFP_NOFS);
hole_size = block_end - hole_start;
mutex_lock(&root->fs_info->fs_mutex);
......@@ -1043,7 +1043,7 @@ static int btrfs_setattr(struct dentry *dentry, struct iattr *attr)
}
btrfs_end_transaction(trans, root);
mutex_unlock(&root->fs_info->fs_mutex);
unlock_extent(io_tree, pos, block_end, GFP_NOFS);
unlock_extent(io_tree, pos, block_end - 1, GFP_NOFS);
if (err)
return err;
}
......
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