2012/11/27, OGAWA Hirofumi <hirofumi@xxxxxxxxxxxxxxxxxx>: > Namjae Jeon <linkinjeon@xxxxxxxxx> writes: > >> From: Namjae Jeon <namjae.jeon@xxxxxxxxxxx> >> >> This patch-set eliminates the client side ESTALE errors when a FAT >> partition >> exported over NFS has its dentries evicted from the cache. >> >> One of the reasons for this error is lack of permanent inode numbers on >> FAT >> which makes it difficult to construct persistent file handles. >> This can be overcome by using fat_encode_fh() that include i_pos in file >> handle. >> >> Once the i_pos is available, it is only a matter of reading the directory >> entries from the disk clusters to locate the matching entry and rebuild >> the corresponding inode. >> >> We reached the conclusion support stable inode's read-only export first >> after >> discussing with OGAWA and Bruce. >> And will make it writable with some operation(unlink and rename) >> limitation >> next time. > > I will review at this weekend. sorry. No problem. I will wait. Thanks for reply. > >> Namjae Jeon (8) >> fat: modify nfs mount option >> fat: move fat_i_pos_read to fat.h >> fat: pass superblock pointer instead of inode pointer to fat_ent_read() >> fat: introduce a helper fat_get_blknr_offset() >> fat: restructure export_operations >> fat (exportfs): rebuild inode if ilookup() fails >> fat (exportfs): rebuild directory-inode if fat_dget() fails >> Documentation: update nfs option in filesystem/vfat.txt >> >> --- >> 1.7.9.5 >> > > -- > 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
