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authorEric Sandeen <sandeen@redhat.com>2007-10-17 00:38:25 +0200
committerTheodore Ts'o <tytso@mit.edu>2007-10-18 00:50:00 +0200
commit4074fe3736b1a43431dff870bf9055ac5dcf3f03 (patch)
treebd33adb6b06eef7f7405addac686ae170750903d /fs/ext4/namei.c
parentext4: Remove (partial, never completed) fragment support (diff)
downloadlinux-4074fe3736b1a43431dff870bf9055ac5dcf3f03.tar.xz
linux-4074fe3736b1a43431dff870bf9055ac5dcf3f03.zip
ext4: remove #ifdef CONFIG_EXT4_INDEX
CONFIG_EXT4_INDEX is not an exposed config option in the kernel, and it is unconditionally defined in ext4_fs.h. tune2fs is already able to turn off dir indexing, so at this point it's just cluttering up the code. Remove it. Signed-off-by: Eric Sandeen <sandeen@redhat.com> Signed-off-by: Mingming Cao <cmm@us.ibm.com> Signed-off-by: "Theodore Ts'o" <tytso@mit.edu> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'fs/ext4/namei.c')
-rw-r--r--fs/ext4/namei.c20
1 files changed, 0 insertions, 20 deletions
diff --git a/fs/ext4/namei.c b/fs/ext4/namei.c
index 5fdb862e71c4..94ee6f315dc1 100644
--- a/fs/ext4/namei.c
+++ b/fs/ext4/namei.c
@@ -144,7 +144,6 @@ struct dx_map_entry
u16 size;
};
-#ifdef CONFIG_EXT4_INDEX
static inline unsigned dx_get_block (struct dx_entry *entry);
static void dx_set_block (struct dx_entry *entry, unsigned value);
static inline unsigned dx_get_hash (struct dx_entry *entry);
@@ -766,8 +765,6 @@ static void dx_insert_block(struct dx_frame *frame, u32 hash, u32 block)
dx_set_block(new, block);
dx_set_count(entries, count + 1);
}
-#endif
-
static void ext4_update_dx_flag(struct inode *inode)
{
@@ -869,7 +866,6 @@ static struct buffer_head * ext4_find_entry (struct dentry *dentry,
name = dentry->d_name.name;
if (namelen > EXT4_NAME_LEN)
return NULL;
-#ifdef CONFIG_EXT4_INDEX
if (is_dx(dir)) {
bh = ext4_dx_find_entry(dentry, res_dir, &err);
/*
@@ -881,7 +877,6 @@ static struct buffer_head * ext4_find_entry (struct dentry *dentry,
return bh;
dxtrace(printk("ext4_find_entry: dx failed, falling back\n"));
}
-#endif
nblocks = dir->i_size >> EXT4_BLOCK_SIZE_BITS(sb);
start = EXT4_I(dir)->i_dir_start_lookup;
if (start >= nblocks)
@@ -957,7 +952,6 @@ cleanup_and_exit:
return ret;
}
-#ifdef CONFIG_EXT4_INDEX
static struct buffer_head * ext4_dx_find_entry(struct dentry *dentry,
struct ext4_dir_entry_2 **res_dir, int *err)
{
@@ -1025,7 +1019,6 @@ errout:
dx_release (frames);
return NULL;
}
-#endif
static struct dentry *ext4_lookup(struct inode * dir, struct dentry *dentry, struct nameidata *nd)
{
@@ -1121,7 +1114,6 @@ static inline void ext4_set_de_type(struct super_block *sb,
de->file_type = ext4_type_by_mode[(mode & S_IFMT)>>S_SHIFT];
}
-#ifdef CONFIG_EXT4_INDEX
/*
* Move count entries from end of map between two memory locations.
* Returns pointer to last entry moved.
@@ -1266,8 +1258,6 @@ errout:
*error = err;
return NULL;
}
-#endif
-
/*
* Add a new entry into a directory (leaf) block. If de is non-NULL,
@@ -1364,7 +1354,6 @@ static int add_dirent_to_buf(handle_t *handle, struct dentry *dentry,
return 0;
}
-#ifdef CONFIG_EXT4_INDEX
/*
* This converts a one block unindexed directory to a 3 block indexed
* directory, and adds the dentry to the indexed directory.
@@ -1443,7 +1432,6 @@ static int make_indexed_dir(handle_t *handle, struct dentry *dentry,
return add_dirent_to_buf(handle, dentry, inode, de, bh);
}
-#endif
/*
* ext4_add_entry()
@@ -1464,9 +1452,7 @@ static int ext4_add_entry (handle_t *handle, struct dentry *dentry,
struct ext4_dir_entry_2 *de;
struct super_block * sb;
int retval;
-#ifdef CONFIG_EXT4_INDEX
int dx_fallback=0;
-#endif
unsigned blocksize;
u32 block, blocks;
@@ -1474,7 +1460,6 @@ static int ext4_add_entry (handle_t *handle, struct dentry *dentry,
blocksize = sb->s_blocksize;
if (!dentry->d_name.len)
return -EINVAL;
-#ifdef CONFIG_EXT4_INDEX
if (is_dx(dir)) {
retval = ext4_dx_add_entry(handle, dentry, inode);
if (!retval || (retval != ERR_BAD_DX_DIR))
@@ -1483,7 +1468,6 @@ static int ext4_add_entry (handle_t *handle, struct dentry *dentry,
dx_fallback++;
ext4_mark_inode_dirty(handle, dir);
}
-#endif
blocks = dir->i_size >> sb->s_blocksize_bits;
for (block = 0, offset = 0; block < blocks; block++) {
bh = ext4_bread(handle, dir, block, 0, &retval);
@@ -1493,11 +1477,9 @@ static int ext4_add_entry (handle_t *handle, struct dentry *dentry,
if (retval != -ENOSPC)
return retval;
-#ifdef CONFIG_EXT4_INDEX
if (blocks == 1 && !dx_fallback &&
EXT4_HAS_COMPAT_FEATURE(sb, EXT4_FEATURE_COMPAT_DIR_INDEX))
return make_indexed_dir(handle, dentry, inode, bh);
-#endif
brelse(bh);
}
bh = ext4_append(handle, dir, &block, &retval);
@@ -1509,7 +1491,6 @@ static int ext4_add_entry (handle_t *handle, struct dentry *dentry,
return add_dirent_to_buf(handle, dentry, inode, de, bh);
}
-#ifdef CONFIG_EXT4_INDEX
/*
* Returns 0 for success, or a negative error value
*/
@@ -1644,7 +1625,6 @@ cleanup:
dx_release(frames);
return err;
}
-#endif
/*
* ext4_delete_entry deletes a directory entry by merging it with the