-Index: linux-2.6.18.i386/fs/ext4/ialloc.c
-===================================================================
---- linux-2.6.18.i386.orig/fs/ext4/ialloc.c
-+++ linux-2.6.18.i386/fs/ext4/ialloc.c
-@@ -622,12 +622,15 @@ struct inode *ext4_new_inode(handle_t *h
+diff -rupN linux-2.6.18-164.6.1_1//fs/ext4/ialloc.c linux-2.6.18-164.6.1_2//fs/ext4/ialloc.c
+--- linux-2.6.18-164.6.1_1//fs/ext4/ialloc.c 2010-03-31 17:42:50.000000000 +0530
++++ linux-2.6.18-164.6.1_2//fs/ext4/ialloc.c 2010-03-31 17:43:22.000000000 +0530
+@@ -710,12 +710,15 @@ struct inode *ext4_new_inode_goal(handle
sb = dir->i_sb;
- trace_mark(ext4_request_inode, "dev %s dir %lu mode %d", sb->s_id,
- dir->i_ino, mode);
+ trace_mark(ext4_request_inode, "dev %s dir %lu mode %d", sb->s_id,
+ dir->i_ino, mode);
+ sbi = EXT4_SB(sb);
+ if (sbi->s_max_dir_size > 0 && i_size_read(dir) >= sbi->s_max_dir_size)
+ return ERR_PTR(-EFBIG);
- sbi = EXT4_SB(sb);
es = sbi->s_es;
- if (goal) {
-Index: linux-2.6.18.i386/fs/ext4/super.c
-===================================================================
---- linux-2.6.18.i386.orig/fs/ext4/super.c
-+++ linux-2.6.18.i386/fs/ext4/super.c
-@@ -38,6 +38,7 @@
+ if (goal && goal <= le32_to_cpu(es->s_inodes_count)) {
+diff -rupN linux-2.6.18-164.6.1_1//fs/ext4/super.c linux-2.6.18-164.6.1_2//fs/ext4/super.c
+--- linux-2.6.18-164.6.1_1//fs/ext4/super.c 2010-03-31 17:42:50.000000000 +0530
++++ linux-2.6.18-164.6.1_2//fs/ext4/super.c 2010-03-31 17:45:32.000000000 +0530
+@@ -40,6 +40,7 @@
#include <asm/uaccess.h>
#include <linux/kthread.h>
#include <linux/utsname.h>
#include "ext4.h"
#include "ext4_jbd2.h"
-@@ -551,6 +554,7 @@ static void ext4_put_super(struct super_
- ext4_commit_super(sb, es, 1);
- }
- if (sbi->s_proc) {
+@@ -581,6 +582,7 @@ static void ext4_put_super(struct super_
+ ext4_commit_super(sb, es, 1);
+ }
+ if (sbi->s_proc) {
+ remove_proc_entry(EXT4_MAX_DIR_SIZE_NAME, sbi->s_proc);
- remove_proc_entry("inode_readahead_blks", sbi->s_proc);
- remove_proc_entry(sb->s_id, ext4_proc_root);
- }
-@@ -2185,6 +2191,48 @@ static unsigned long ext4_get_stripe_siz
+ remove_proc_entry("inode_readahead_blks", sbi->s_proc);
+ remove_proc_entry("inode_goal", sbi->s_proc);
+ remove_proc_entry(sb->s_id, ext4_proc_root);
+@@ -2341,6 +2343,48 @@ static unsigned long ext4_get_stripe_siz
return 0;
}
static int ext4_fill_super(struct super_block *sb, void *data, int silent)
__releases(kernel_lock)
__acquires(kernel_lock)
-@@ -2743,6 +2790,20 @@ static int ext4_fill_super(struct super_
- p->proc_fops = &ext4_ui_proc_fops,
- p->data = &sbi->s_inode_goal;
+@@ -2690,6 +2734,19 @@ static int ext4_fill_super(struct super_
+ p->proc_fops = &ext4_ui_proc_fops,
+ p->data = &sbi->s_inode_goal;
}
+ sbi->s_max_dir_size = EXT4_DEFAULT_MAX_DIR_SIZE;
+ p = create_proc_entry(EXT4_MAX_DIR_SIZE_NAME,
+ if (p == NULL) {
+ printk(KERN_ERR "EXT4-fs: unable to create %s\n",
+ EXT4_MAX_DIR_SIZE_NAME);
-+ remove_proc_entry(EXT4_MAX_DIR_SIZE_NAME, sbi->s_proc);
+ ret = -ENOMEM;
+ goto failed_mount;
+ }
+ p->read_proc = ext4_max_dir_size_read;
+ p->write_proc = ext4_max_dir_size_write;
+
- }
+ }
#endif
-Index: linux-2.6.18.i386/fs/ext4/ext4_sb.h
-===================================================================
---- linux-2.6.18.i386.orig/fs/ext4/ext4_sb.h
-+++ linux-2.6.18.i386/fs/ext4/ext4_sb.h
-@@ -117,6 +117,7 @@ struct ext4_sb_info {
+@@ -2976,6 +3033,7 @@ failed_mount2:
+ kfree(sbi->s_group_desc);
+ failed_mount:
+ if (sbi->s_proc) {
++ remove_proc_entry(EXT4_MAX_DIR_SIZE_NAME, sbi->s_proc);
+ remove_proc_entry("inode_readahead_blks", sbi->s_proc);
+ remove_proc_entry("inode_goal", sbi->s_proc);
+ remove_proc_entry(sb->s_id, ext4_proc_root);
+diff -rupN linux-2.6.18-164.6.1_1//fs/ext4/ext4_sb.h linux-2.6.18-164.6.1_2//fs/ext4/ext4_sb.h
+--- linux-2.6.18-164.6.1_1//fs/ext4/ext4_sb.h 2010-03-31 17:42:50.000000000 +0530
++++ linux-2.6.18-164.6.1_2//fs/ext4/ext4_sb.h 2010-03-31 17:43:22.000000000 +0530
+@@ -119,6 +119,7 @@ struct ext4_sb_info {
/* where last allocation was done - for stream allocation */
unsigned long s_mb_last_group;
unsigned long s_mb_last_start;
/* history to debug policy */
struct ext4_mb_history *s_mb_history;
-Index: linux-2.6.18.i386/fs/ext4/ext4.h
-===================================================================
---- linux-2.6.18.i386.orig/fs/ext4/ext4.h
-+++ linux-2.6.18.i386/fs/ext4/ext4.h
-@@ -992,6 +992,12 @@ struct mmp_struct {
- */
+diff -rupN linux-2.6.18-164.6.1_1//fs/ext4/ext4.h linux-2.6.18-164.6.1_2//fs/ext4/ext4.h
+--- linux-2.6.18-164.6.1_1//fs/ext4/ext4.h 2010-03-31 17:42:50.000000000 +0530
++++ linux-2.6.18-164.6.1_2//fs/ext4/ext4.h 2010-03-31 17:43:22.000000000 +0530
+@@ -1029,6 +1029,12 @@ struct mmp_struct {
#define EXT4_MMP_MIN_CHECK_INTERVAL 5
-+/*
+ /*
+ * max directory size tunable
+ */
+#define EXT4_DEFAULT_MAX_DIR_SIZE 0
+#define EXT4_MAX_DIR_SIZE_NAME "max_dir_size"
+
- /*
++/*
* Function prototypes
*/
+
+