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authorTheodore Ts'o <tytso@mit.edu>2009-06-13 11:09:42 -0400
committerTheodore Ts'o <tytso@mit.edu>2009-06-13 11:09:42 -0400
commitf157a4aa98a18bd3817a72bea90d48494e2586e7 (patch)
tree105547639a67296b4ea7acdc35c9e65ee2a85fd8 /fs/ext4/namei.c
parent8a8a2050c844d9de224ff591e91bda3f77bd6eda (diff)
ext4: Use a hash of the topdir directory name for the Orlov parent group
Instead of using a random number to determine the goal parent grop for the Orlov top directories, use a hash of the directory name. This allows for repeatable results when trying to benchmark filesystem layout algorithms. Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Diffstat (limited to 'fs/ext4/namei.c')
-rw-r--r--fs/ext4/namei.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/fs/ext4/namei.c b/fs/ext4/namei.c
index 07eb6649e4f..5f00d2418a8 100644
--- a/fs/ext4/namei.c
+++ b/fs/ext4/namei.c
@@ -1782,7 +1782,7 @@ retry:
if (IS_DIRSYNC(dir))
ext4_handle_sync(handle);
- inode = ext4_new_inode (handle, dir, mode);
+ inode = ext4_new_inode(handle, dir, mode, &dentry->d_name);
err = PTR_ERR(inode);
if (!IS_ERR(inode)) {
inode->i_op = &ext4_file_inode_operations;
@@ -1816,7 +1816,7 @@ retry:
if (IS_DIRSYNC(dir))
ext4_handle_sync(handle);
- inode = ext4_new_inode(handle, dir, mode);
+ inode = ext4_new_inode(handle, dir, mode, &dentry->d_name);
err = PTR_ERR(inode);
if (!IS_ERR(inode)) {
init_special_inode(inode, inode->i_mode, rdev);
@@ -1853,7 +1853,7 @@ retry:
if (IS_DIRSYNC(dir))
ext4_handle_sync(handle);
- inode = ext4_new_inode(handle, dir, S_IFDIR | mode);
+ inode = ext4_new_inode(handle, dir, S_IFDIR | mode, &dentry->d_name);
err = PTR_ERR(inode);
if (IS_ERR(inode))
goto out_stop;
@@ -2264,7 +2264,7 @@ retry:
if (IS_DIRSYNC(dir))
ext4_handle_sync(handle);
- inode = ext4_new_inode(handle, dir, S_IFLNK|S_IRWXUGO);
+ inode = ext4_new_inode(handle, dir, S_IFLNK|S_IRWXUGO, &dentry->d_name);
err = PTR_ERR(inode);
if (IS_ERR(inode))
goto out_stop;