apfs/apfstests
0
0
Fork 0
mirror of https://github.com/linux-apfs/apfstests.git synced 2026-05-01 15:01:44 -07:00
Code Issues Packages Projects Releases Wiki Activity

xfs: test fragmentation characteristics of copy-on-write

Browse Source 
Perform copy-on-writes at random offsets to stress the CoW allocation
system.  Assess the effectiveness of the extent size hint at
combatting fragmentation via unshare, a rewrite, and no-op after the
random writes.

Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
This commit is contained in:
Darrick J. Wong
2016-01-13 20:33:22 -08:00
parent 4f1a5d60e5
commit 9184ca155d
32 changed files with 1781 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files
tests/xfs/182.out
+12
View File
@@ -0,0 +1,12 @@
QA output created by 182
Format and mount
Create the original files
Compare files
2909feb63a37b0e95fe5cfb7f274f7b1 SCRATCH_MNT/test-182/file1
2909feb63a37b0e95fe5cfb7f274f7b1 SCRATCH_MNT/test-182/file2
CoW and unmount
pwrite64: Invalid argument
Compare files
2909feb63a37b0e95fe5cfb7f274f7b1 SCRATCH_MNT/test-182/file1
c6ba35da9f73ced20d7781a448cc11d4 SCRATCH_MNT/test-182/file2
Check extent counts