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00a3a397540a892d16ee53ea0343b36f4a67534a
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16 Commits

Author SHA1 Message Date
Paul Lawrence
00a3a39754 ANDROID: Incremental fs: Allow running a single test 
Bug: 162313014
Test: Can run single test
Signed-off-by: Paul Lawrence <paullawrence@google.com>
Change-Id: Ia75d15351245701d53040a537205b37d06a4263b
 2020-07-29 14:08:53 +00:00
Paul Lawrence
d093c9e8e2 ANDROID: Incremental fs: Adding perf test 
Bug: 156474586
Test: Profile tool runs
Signed-off-by: Paul Lawrence <paullawrence@google.com>
Change-Id: Iff91432f7602fc1e23cf30012c893a99e02c868d
 2020-07-29 14:08:37 +00:00
Paul Lawrence
f592305c13 ANDROID: Incremental fs: Stress tool 
Bug: 156474586
Test: Tool runs, passes
Signed-off-by: Paul Lawrence <paullawrence@google.com>
Change-Id: I745708b7d4ae1fcacbc359ed2f3fda462d95ea6a
 2020-07-29 14:08:15 +00:00
Paul Lawrence
3e4fa206ce ANDROID: Incremental fs: Fix issues with very large files 
Test: incfs_test passes
Bug: 155590527
Signed-off-by: Paul Lawrence <paullawrence@google.com>
Change-Id: Iaecfcd40e8c089d11b34c7aff2090fbfe0c36219
 2020-05-04 23:37:33 +00:00
Paul Lawrence
b6b4a3a404 ANDROID: Incremental fs: Use simple compression in log buffer 
Bug: 154342202
Test: incfs_test passes
Signed-off-by: Paul Lawrence <paullawrence@google.com>
Change-Id: Ibcc641dd92596018c9f10b5bc7bd0db2642a80c7
 2020-04-24 12:28:45 -07:00
Paul Lawrence
13979ffcd5 ANDROID: Incremental fs: Clean up incfs_test build process 
Bug: 153557975
Test: incfs_test passes
Signed-off-by: Paul Lawrence <paullawrence@google.com>
Change-Id: I57eef43a5d003e3d89a4c872d21e36376bc580a1
 2020-04-09 18:51:36 +00:00
Paul Lawrence
2fb9b719ce ANDROID: Incremental fs: Fix remount 
Bug: 153017385
Test: incfs_test passes
Signed-off-by: Paul Lawrence <paullawrence@google.com>
Change-Id: I13f3a3c91d746d725e0e21b1e2bcfe0a64a13716
 2020-04-01 23:32:34 +00:00
Paul Lawrence
ca72c79936 ANDROID: Incremental fs: Protect get_fill_block, and add a field 
Since INCFS_IOC_GET_FILLED_BLOCKS potentially leaks information about usage
patterns, and is only useful to someone filling the file, best protect it in
the same way as INCFS_IOC_FILL_BLOCKS.

Add useful field data_block_out as well

Test: incfs_test passes
Bug: 152983639
Signed-off-by: Paul Lawrence <paullawrence@google.com>
Change-Id: I126a8cf711e56592479093e9aadbfd0e7f700752
 2020-04-01 23:32:27 +00:00
Paul Lawrence
ff0f11c523 ANDROID: Incremental fs: Fix crash polling 0 size read_log 
When read log is 0 sized, we still need to init the wait queue to avoid
kernel panics if someone does decide to poll on the read log.

Test: Added test for this condition, incfs_test crashes
	With fix, incfs_test doesn't crash
Signed-off-by: Paul Lawrence <paullawrence@google.com>
Bug: 152909243
Change-Id: Ic3250523bb7ddb1839f8e95852c17103e5ffb782
 2020-04-01 23:32:19 +00:00
Paul Lawrence
8d963bb240 ANDROID: Incremental fs: Add INCFS_IOC_GET_FILLED_BLOCKS 
Test: incfs_test passes
Bug: 151240628
Signed-off-by: Paul Lawrence <paullawrence@google.com>
Change-Id: I66d0ba1911adc5d68ed404585222e6a81a7eb94f
 2020-03-26 21:02:02 +00:00
Paul Lawrence
e94931cb2c ANDROID: Incremental fs: Add INCFS_IOC_PERMIT_FILL 
Provide a securable way to open a file for filling

Test: incfs_test passes
Bug: 138149732
Signed-off-by: Paul Lawrence <paullawrence@google.com>
Change-Id: Ib4b6fd839ad30ce08e31121d19e2c0d7066d302f
 2020-03-18 16:22:25 +00:00
Paul Lawrence
bc6a70e849 ANDROID: Incremental fs: Remove signature checks from kernel 
Test: selftests pass
Bug: 133435829
Signed-off-by: Paul Lawrence <paullawrence@google.com>
Change-Id: Ia7e69b1b0176202da4b418ea815b370cbdacd5c2
 2020-03-18 16:22:17 +00:00
Paul Lawrence
bb134e78b1 ANDROID: Incremental fs: Pad hash blocks 
Test: incfs_test passes
Bug: 133435829
Signed-off-by: Paul Lawrence <paullawrence@google.com>
Change-Id: I4e6fbd0938f00e7e6883ce1a26cbfd38fdcaa9a5
 2020-03-18 16:21:59 +00:00
Paul Lawrence
21b07a7140 ANDROID: Incremental fs: Make fill block an ioctl 
Filling blocks is not equivalent to writing a file, since they are
constrained by the root hash. selinux policy may wish to treat them
differently, for instance.

Test: incfs_test passes
Bug: 138149732
Signed-off-by: Paul Lawrence <paullawrence@google.com>
Change-Id: Ic369b84b92547b1cfefe422bd881c4e466090aed
 2020-03-18 16:21:50 +00:00
Paul Lawrence
74e8c51563 ANDROID: Make incfs selftests pass 
Fixed incfs_test build errors
Fixed Kconfig errors
Readded .gitignore

Test: With just enabling CONFIG_INCREMENTAL_FS, both defconfig and
cuttlefish_defconfig build and incfs_test runs and passes

Bug: 133435829
Change-Id: Id3247ffcc63a095f66dcedf554017a06c5a9ce4a
Signed-off-by: Paul Lawrence <paullawrence@google.com>
 2020-02-04 04:51:16 +00:00
Eugene Zemtsov
c6819dd778 ANDROID: Initial commit of Incremental FS 
Fully working incremental fs filesystem

Signed-off-by: Eugene Zemtsov <ezemtsov@google.com>
Signed-off-by: Paul Lawrence <paullawrence@google.com>

Bug: 133435829
Change-Id: I14741a61ce7891a0f9054e70f026917712cbef78
 2020-02-04 04:51:09 +00:00