On Wed, Feb 16, 2011 at 10:02 AM, kashish bhatia <koolest77@xxxxxxxxx> wrote: > Hi all , > I wanted to free a data block from disk. So I made a loop device for ext2 fs > and inserted my module(code) through insmod command. > Here are the details : > I found a function named ext2_free_data() which takes block numbers to be > freed as a parameter. The declaration of the function is as follows : > > void ext2_free_data(struct inode *inode, __le32 *p, __le32 *q); > > As we can see this function use structure of inode object and it make > changes in this inode object. > > This function changes the fields in in-core inode and mark the inode dirty. > But I want the changes made in in-core inode to be reflected in disk inode > immediately . Incore it will be reflected immediately. > > Is there any command to flush the buffers ? You can either try "sync" from command line, or remount the volume. Or call ext2_sync_fs() from your module. > > -- > Regards, > Kashish > > > _______________________________________________ > Kernelnewbies mailing list > Kernelnewbies@xxxxxxxxxxxxxxxxx > http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies > > -- Thanks - Manish _______________________________________________ Kernelnewbies mailing list Kernelnewbies@xxxxxxxxxxxxxxxxx http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies
