Namjae Jeon <[email protected]> writes: > 2012/9/5, OGAWA Hirofumi <[email protected]>: >> OGAWA Hirofumi <[email protected]> writes: >> >>> Namjae Jeon <[email protected]> writes: >>> >>>> From: Namjae Jeon <[email protected]> >>>> >>>> Maintain a list of inode(i_pos) numbers of orphaned inodes (i.e the >>>> inodes that have been unlinked but still having open file >>>> descriptors).At file/directory creation time, skip using such i_pos >>>> values.Removal of the i_pos from the list is done during inode eviction. >>> >>> What happens if the directory (has busy entries) was completely removed? > Hi OGAWA. > There are 2 cases: > 1. The cluster can be used as a data cluster of a file - In which case > we can write > normally into it. > 2. The cluster can be allocated to a new directory. In this case, the busy > i_pos > locations can not be used to create new entries until the correspnding > inodes are > evicted.
In the (2) case, it has problem. Directory must not have de->name[0] == 0 in middle of entires. "0" means the end of directory. -- OGAWA Hirofumi <[email protected]> -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
