From be9df3282d24a7326bba2eea986c79d822f0e998 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 b7394d0..c2e7f23 100644 --- a/fs/ext3/ioctl.c +++ b/fs/ext3/ioctl.c @@ -290,6 +290,9 @@ 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 f6c94f2..268dd1d 100644 --- a/fs/ext3/super.c +++ b/fs/ext3/super.c @@ -461,6 +461,7 @@ static struct inode *ext3_alloc_inode(struct super_block *sb) #endif 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 d14f029..fff5510 100644 --- a/include/linux/ext3_fs.h +++ b/include/linux/ext3_fs.h @@ -225,6 +225,7 @@ 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 4a853ef..c346136 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -685,6 +685,8 @@ struct inode { void *i_security; #endif void *i_private; /* fs or device private pointer */ + + unsigned long created_when; /* jiffies of creation time */ }; /* -- 1.5.5.1