Messages in this thread | | | Date | Thu, 5 Dec 2013 23:21:42 +0900 | Subject | Re: [PATCH v2 0/5] fat: additions to support fat_fallocate | From | Namjae Jeon <> |
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2013/12/1, OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>: > Namjae Jeon <linkinjeon@gmail.com> writes: > >> From: Namjae Jeon <namjae.jeon@samsung.com> >> >> 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. Right. I will update vfat document.
Thanks for review. > -- > OGAWA Hirofumi <hirofumi@mail.parknet.co.jp> >
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