This patch set provides support for doing fallocate operation
on FAT filesystem.
v6:
- Remove usage of i_disksize
- Align all fallocate code sequence to use i_blocks as
this is more or less can be used to denote the on-disksize.
Also, i_blocks is common in update path of cluster allocation via.
fat_chain_add() both from normal write path and fallocate() operation
v5:
- change all routines to make ->i_disksize aligned by cluster size.
- merge fat_bmap2() and fat_get_block_bmap().
v4:
- ->i_disksize is aligned by block size in fill_inode.
- use i_disksize when computing the number of cluster for fallocate.
- make fat_get_block_bmap to avoid race issue.
- use __fat_write_inode() with inode_needs_sync() in evict.
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 (4):
fat: add fat_fallocate operation
fat: skip cluster allocation on fallocated region
fat: permit to return phy block number by fibmap in fallocated region
Documentation/filesystems/vfat.txt: update the limitation for fat
fallocate
--
1.7.9.5
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