[PATCH v3 0/6] fat: additions to support fat_fallocate

[Namjae Jeon]

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.

v3:
 - fix i_disksize and mmu_private comments(uninit/initialized)
 - remove unneeded condition in fat_bmap.
 - use mmu_private instead of fclus in fat_fallocate.
 - make function mark buffer new for block in fallocated region.
 - use flags for bmap.
 - use mmu_private instead of i_size in direct_IO.
 - use flags and remove i_mutex in bmap.
 - update vfat documentation.

v2:
 - remove a stary unlock(from Dan Carpenter)
 - check ->mmu_private and ->i_disksize to truncate uninitialized data.

Namjae Jeon (6):
 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
 fat: update the limitation for fat fallocate
-- 
1.7.9.5

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