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authorElie De Brauwer <eliedebrauwer@gmail.com>2013-03-01 19:37:37 +0100
committerArtem Bityutskiy <artem.bityutskiy@linux.intel.com>2013-03-11 10:33:58 +0200
commit681d1d6c311ac918986e964f65097d556b2acd78 (patch)
tree6a2064623b36cf9a70663362c8d1ced313e37c17 /tests
parent1145ef7ee979dde2d611e09d00fc6ff0090dcc9d (diff)
integck.c: Only verify the operation after all datastructures have been updated
<quote> integck: File Data: integck: Offset: 0 Size: 196 Seed: 5999877 R.Off: 0 integck: Offset: 196 Size: 33 Seed: 4160795 R.Off: 0 integck: Offset: 229 Size: 1252 Seed: 8070052 R.Off: 0 integck: Offset: 1481 Size: 612 Seed: 4160795 R.Off: 1285 integck: Offset: 2093 Size: 6 Seed: 6946586 R.Off: 0 integck: Offset: 2099 Size: 536 Seed: 4160795 R.Off: 1903 integck: Offset: 2635 Size: 1562 Seed: 9845455 R.Off: 0 integck: Offset: 4197 Size: 80 Seed: 702818 R.Off: 0 integck: Offset: 4277 Size: 115 Seed: 9845455 R.Off: 1642 integck: 9 writes integck: ============================================ integck: Write Info: integck: Offset: 826 Size: 357 Seed: 5908448 R.Off: 0 integck: Offset: 4197 Size: 80 Seed: 702818 R.Off: 0 ... </quote> And I would expect the file data listing to include at offset 826 something with a size of 357 and a seed of 5908448. Clearly it is not there (which is already extremely confusing). The point is that file_write_info first updates the raw_write, then verifies the data (passing the new write) and only after that updates the write structure. But in file_check_data only the newly written data is verified (passed as an argument) whilst the save_file() function to dump the file uses the raw_writes to recreate the written data (while raw_writes is only updated after after this check would have succeeded). Several lines to say that in this patch the verify only gets called _after_ the datastructures are updated. Signed-off-by: Elie De Brauwer <eliedebrauwer@gmail.com> Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Diffstat (limited to 'tests')
-rw-r--r--tests/fs-tests/integrity/integck.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/tests/fs-tests/integrity/integck.c b/tests/fs-tests/integrity/integck.c
index 087a18b..2c6ffea 100644
--- a/tests/fs-tests/integrity/integck.c
+++ b/tests/fs-tests/integrity/integck.c
@@ -960,9 +960,6 @@ static void file_write_info(struct file_info *file, int fd, off_t offset,
w->random_seed = seed;
file->raw_writes = w;
- if (args.verify_ops && !args.power_cut_mode)
- file_check_data(file, fd, new_write);
-
/* Insert it into file->writes */
inserted = 0;
end = offset + size;
@@ -1028,6 +1025,9 @@ static void file_write_info(struct file_info *file, int fd, off_t offset,
/* Update file length */
if (end > file->length)
file->length = end;
+
+ if (args.verify_ops && !args.power_cut_mode)
+ file_check_data(file, fd, new_write);
}
/* Randomly select offset and and size to write in a file */