Reverting incremental fs changes

e2821247 ANDROID: Incremental fs: Fix issues with very large files
b564958e ANDROID: Incremental fs: Add setattr call
fdd560ec ANDROID: Incremental fs: Use simple compression in log buffer
4f81903f ANDROID: Incremental fs: Fix create_file performance
3c76e8df ANDROID: Incremental fs: Fix compound page usercopy crash
3aee2b94 ANDROID: Incremental fs: Clean up incfs_test build process
e158e207 ANDROID: Incremental fs: make remount log buffer change atomic
467d1f63 ANDROID: Incremental fs: Optimize get_filled_block
91ef6b61 ANDROID: Incremental fs: Fix mislabeled __user ptrs
1b7e2d07 ANDROID: Incremental fs: Use 64-bit int for file_size when writing hash blocks
df76f38e Revert "ANDROID: Incremental fs: Fix initialization, use of bitfields"
d73d0b4d ANDROID: Incremental fs: Fix remount
ecd6f86b ANDROID: Incremental fs: Protect get_fill_block, and add a field
1a000625 ANDROID: Incremental fs: Fix crash polling 0 size read_log
df5824ee ANDROID: Incremental fs: get_filled_blocks: better index_out
a4cad4eb ANDROID: Incremental fs: Fix four resource bugs
76f5f1ca ANDROID: Incremental fs: Add INCFS_IOC_GET_FILLED_BLOCKS
2d41ac81 ANDROID: Incremental fs: Fix two typos
cb94ec7a ANDROID: Incremental fs: Add INCFS_IOC_PERMIT_FILL
758073be ANDROID: Incremental fs: Remove signature checks from kernel
8118f34d ANDROID: Incremental fs: Pad hash blocks
dd3909c4 ANDROID: Incremental fs: Make fill block an ioctl
89e09054 ANDROID: Incremental fs: Remove all access_ok checks
ee1d24d6 ANDROID: Incremental fs: Support xattrs

Change-Id: Ib455db0ab788d08e968dcc665e2c9bd98c701b91
Signed-off-by: Srinivasarao P <spathi@codeaurora.org>