inotify: clean up inotify_read and fix locking problems

[safe/jmp/linux-2.6] / fs / ext2 / super.c

diff --git a/fs/ext2/super.c b/fs/ext2/super.c
index ef50cbc..da8bdea 100644 (file)
--- a/fs/ext2/super.c
+++ b/fs/ext2/super.c
@@ -31,6 +31,7 @@
 #include <linux/seq_file.h>
 #include <linux/mount.h>
 #include <linux/log2.h>
+#include <linux/quotaops.h>
 #include <asm/uaccess.h>
 #include "ext2.h"
 #include "xattr.h"
@@ -131,6 +132,7 @@ static void ext2_put_super (struct super_block * sb)
        percpu_counter_destroy(&sbi->s_dirs_counter);
        brelse (sbi->s_sbh);
        sb->s_fs_info = NULL;
+       kfree(sbi->s_blockgroup_lock);
        kfree(sbi);
 
        return;
@@ -158,7 +160,7 @@ static void ext2_destroy_inode(struct inode *inode)
        kmem_cache_free(ext2_inode_cachep, EXT2_I(inode));
 }
 
-static void init_once(struct kmem_cache * cachep, void *foo)
+static void init_once(void *foo)
 {
        struct ext2_inode_info *ei = (struct ext2_inode_info *) foo;
 
@@ -392,7 +394,7 @@ enum {
        Opt_usrquota, Opt_grpquota, Opt_reservation, Opt_noreservation
 };
 
-static match_table_t tokens = {
+static const match_table_t tokens = {
        {Opt_bsd_df, "bsddf"},
        {Opt_minix_df, "minixdf"},
        {Opt_grpid, "grpid"},
@@ -755,6 +757,13 @@ static int ext2_fill_super(struct super_block *sb, void *data, int silent)
        sbi = kzalloc(sizeof(*sbi), GFP_KERNEL);
        if (!sbi)
                return -ENOMEM;
+
+       sbi->s_blockgroup_lock =
+               kzalloc(sizeof(struct blockgroup_lock), GFP_KERNEL);
+       if (!sbi->s_blockgroup_lock) {
+               kfree(sbi);
+               return -ENOMEM;
+       }
        sb->s_fs_info = sbi;
        sbi->s_sb_block = sb_block;
 
@@ -982,7 +991,7 @@ static int ext2_fill_super(struct super_block *sb, void *data, int silent)
                printk ("EXT2-fs: not enough memory\n");
                goto failed_mount;
        }
-       bgl_lock_init(&sbi->s_blockgroup_lock);
+       bgl_lock_init(sbi->s_blockgroup_lock);
        sbi->s_debts = kcalloc(sbi->s_groups_count, sizeof(*sbi->s_debts), GFP_KERNEL);
        if (!sbi->s_debts) {
                printk ("EXT2-fs: not enough memory\n");