Namjae Jeon <linkinjeon@xxxxxxxxx> writes: > From: Namjae Jeon <namjae.jeon@xxxxxxxxxxx> > > This patch set provides support for doing fallocate operation > on FAT filesystem. > After series of review for the the feature > The complete functionality is broken down into smaller subsets. > > v2: > - remove a stary unlock(from Dan Carpenter) > - check ->mmu_private and ->i_disksize to truncate uninitialized data. > > Namjae Jeon (5): > fat: add i_disksize to represent uninitialized size > fat: add fat_fallocate operation > fat: zero out seek range on _fat_get_block > fat: fallback to buffered write in case of fallocatded region on direct IO > fat: permit to return phy block number by fibmap in fallocated region Let's add document about FAT's fallocate() behavior to Documents/filesystem/vfat.txt. I.e. it will be truncated evict_inode(). So, user has to assume fallocate() is only valid until last close(), and user has to re-call fallocate() after re-open to make sure fallocate() region. -- OGAWA Hirofumi <hirofumi@xxxxxxxxxxxxxxxxxx> -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
