From 4d690855d6bdc15b753ac3c21bf507ad94d46aac Mon Sep 17 00:00:00 2001 From: Arjan van de Ven Date: Sun, 21 Sep 2008 11:58:27 -0700 Subject: [PATCH] superreadahead patch --- fs/ext3/ioctl.c | 3 +++ fs/ext3/super.c | 1 + include/linux/ext3_fs.h | 1 + include/linux/fs.h | 2 ++ 4 files changed, 7 insertions(+), 0 deletions(-) diff --git a/fs/ext3/ioctl.c b/fs/ext3/ioctl.c index 8897481..08f4854 100644 --- a/fs/ext3/ioctl.c +++ b/fs/ext3/ioctl.c @@ -276,6 +276,9 @@ group_add_out: mnt_drop_write(filp->f_path.mnt); return err; } + case EXT3_IOC_INODE_JIFFIES: { + return inode->created_when; + } default: diff --git a/fs/ext3/super.c b/fs/ext3/super.c index 524b349..e6e8514 100644 --- a/fs/ext3/super.c +++ b/fs/ext3/super.c @@ -466,6 +466,7 @@ static struct inode *ext3_alloc_inode(struct super_block *sb) return NULL; ei->i_block_alloc_info = NULL; ei->vfs_inode.i_version = 1; + ei->vfs_inode.created_when = jiffies; return &ei->vfs_inode; } diff --git a/include/linux/ext3_fs.h b/include/linux/ext3_fs.h index 634a5e5..84d5394 100644 --- a/include/linux/ext3_fs.h +++ b/include/linux/ext3_fs.h @@ -250,6 +250,7 @@ struct ext3_new_group_data { #endif #define EXT3_IOC_GETRSVSZ _IOR('f', 5, long) #define EXT3_IOC_SETRSVSZ _IOW('f', 6, long) +#define EXT3_IOC_INODE_JIFFIES _IOR('f', 19, long) /* * ioctl commands in 32 bit emulation diff --git a/include/linux/fs.h b/include/linux/fs.h index 0872372..078e3fd 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -781,6 +781,8 @@ struct inode { struct posix_acl *i_default_acl; #endif void *i_private; /* fs or device private pointer */ + + unsigned long created_when; /* jiffies of creation time */ }; /* -- 1.6.0.6