mirror of https://github.com/vitalif/e2fsprogs
Add --enable-test-io-debug configure option which causes e2fsck and
tune2fs to use the test I/O manager. The test I/O manager has been changed to not do anything extra by default, unless the TEST_IO_FLAGS and/or TEST_IO_BLOCK environment variables are set, which controls what I/O operations are logged and a block number to watch, respectively. The log messages are sent to stderr by default, unless a filename is specified via the TEST_IO_LOGFILE environment variable.bitmap-optimize
Theodore Ts'o
parent
becf36f6ac
commit
2a29f1354f
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@ -1,5 +1,7 @@
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2003-05-05 Theodore Ts'o <tytso@mit.edu>
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* configure.in, configure: Add --enable-testio-debug configure option.
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* configure.in, configure, Makefile.in: Add --with-diet-libc
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convenience option. Add --disable-evms option.
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15
configure.in
15
configure.in
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@ -382,6 +382,21 @@ fi
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echo "Disabling blkid debugging by default"
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)
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dnl
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dnl handle --enable-testio-debug
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dnl
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AC_ARG_ENABLE([testio-debug],
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[ --enable-testio-debug enable the use of the test I/O manager for debugging],
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if test "$enableval" = "no"
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then
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echo "Disabling testio debugging"
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else
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AC_DEFINE(CONFIG_TESTIO_DEBUG)
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echo "Enabling testio debugging"
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fi
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,
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echo "Disabling testio debugging by default"
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)
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dnl
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dnl handle --enable-swapfs
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dnl
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AC_ARG_ENABLE([swapfs],
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@ -1,3 +1,8 @@
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2003-05-05 Theodore Ts'o <tytso@mit.edu>
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* unix.c (main): If --enable-testio-debug is set, then use the
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test_io manager so we can watch what e2fsck is doing.
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2003-05-03 Theodore Ts'o <tytso@mit.edu>
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* unix.c (show_stats): Remove uneeded use of _() around string
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@ -824,11 +824,11 @@ int main (int argc, char *argv[])
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}
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ctx->superblock = ctx->use_superblock;
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restart:
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#if 1
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io_ptr = unix_io_manager;
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#else
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#ifdef CONFIG_TESTIO_DEBUG
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io_ptr = test_io_manager;
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test_io_backing_manager = unix_io_manager;
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#else
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io_ptr = unix_io_manager;
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#endif
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flags = 0;
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if ((ctx->options & E2F_OPT_READONLY) == 0)
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@ -1,3 +1,10 @@
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2003-05-05 Theodore Ts'o <tytso@mit.edu>
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* test_io.c: Pay attention to the environment variables
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TEST_IO_LOGFILE, TEST_IO_FLAGS, and TEST_IO_BLOCK to
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determine whether or not we should log io activity, and to
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where.
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2003-05-03 Theodore Ts'o <tytso@mit.edu>
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* tst_badblocks.c (file_test): Use tmpfile() instead of mktemp().
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@ -36,6 +36,9 @@
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struct test_private_data {
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int magic;
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io_channel real;
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int flags;
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FILE *outfile;
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unsigned long block;
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void (*read_blk)(unsigned long block, int count, errcode_t err);
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void (*write_blk)(unsigned long block, int count, errcode_t err);
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void (*set_blksize)(int blksize, errcode_t err);
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@ -82,6 +85,34 @@ void (*test_io_cb_set_blksize)
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void (*test_io_cb_write_byte)
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(unsigned long block, int count, errcode_t err) = 0;
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/*
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* Test flags
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*/
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#define TEST_FLAG_READ 0x01
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#define TEST_FLAG_WRITE 0x02
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#define TEST_FLAG_SET_BLKSIZE 0x04
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#define TEST_FLAG_FLUSH 0x08
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static void test_dump_block(io_channel channel,
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struct test_private_data *data,
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unsigned long block, void *buf)
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{
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const unsigned char *cp;
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FILE *f = data->outfile;
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int i;
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unsigned long cksum = 0;
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for (i=0, cp = buf; i < channel->block_size; i++, cp++) {
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cksum += *cp;
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}
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fprintf(f, "Contents of block %d, checksum %08x: \n", block, cksum);
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for (i=0, cp = buf; i < channel->block_size; i++, cp++) {
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if ((i % 16) == 0)
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fprintf(f, "%04x: ", i);
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fprintf(f, "%02x%c", *cp, ((i % 16) == 15) ? '\n' : ' ');
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}
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}
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static errcode_t test_open(const char *name, int flags, io_channel *channel)
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{
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io_channel io = NULL;
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@ -127,6 +158,20 @@ static errcode_t test_open(const char *name, int flags, io_channel *channel)
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data->write_blk = test_io_cb_write_blk;
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data->set_blksize = test_io_cb_set_blksize;
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data->write_byte = test_io_cb_write_byte;
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data->outfile = NULL;
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if (getenv("TEST_IO_LOGFILE"))
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data->outfile = fopen(getenv("TEST_IO_LOGFILE"), "w");
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if (!data->outfile)
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data->outfile = stderr;
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data->flags = 0;
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if (getenv("TEST_IO_FLAGS"))
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data->flags = strtoul(getenv("TEST_IO_FLAGS"), NULL, 0);
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data->block = 0;
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if (getenv("TEST_IO_BLOCK"))
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data->block = strtoul(getenv("TEST_IO_BLOCK"), NULL, 0);
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*channel = io;
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return 0;
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@ -153,6 +198,9 @@ static errcode_t test_close(io_channel channel)
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if (data->real)
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retval = io_channel_close(data->real);
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if (data->outfile)
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fclose(data->outfile);
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ext2fs_free_mem((void **) &channel->private_data);
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if (channel->name)
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@ -174,9 +222,11 @@ static errcode_t test_set_blksize(io_channel channel, int blksize)
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retval = io_channel_set_blksize(data->real, blksize);
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if (data->set_blksize)
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data->set_blksize(blksize, retval);
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else
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printf("Test_io: set_blksize(%d) returned %s\n",
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blksize, retval ? error_message(retval) : "OK");
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if (data->flags & TEST_FLAG_SET_BLKSIZE)
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fprintf(data->outfile,
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"Test_io: set_blksize(%d) returned %s\n",
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blksize, retval ? error_message(retval) : "OK");
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channel->block_size = blksize;
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return retval;
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}
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@ -195,9 +245,12 @@ static errcode_t test_read_blk(io_channel channel, unsigned long block,
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retval = io_channel_read_blk(data->real, block, count, buf);
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if (data->read_blk)
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data->read_blk(block, count, retval);
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else
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printf("Test_io: read_blk(%lu, %d) returned %s\n",
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block, count, retval ? error_message(retval) : "OK");
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if (data->flags & TEST_FLAG_READ)
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fprintf(data->outfile,
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"Test_io: read_blk(%lu, %d) returned %s\n",
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block, count, retval ? error_message(retval) : "OK");
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if (data->block && data->block == block)
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test_dump_block(channel, data, block, buf);
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return retval;
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}
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@ -215,9 +268,12 @@ static errcode_t test_write_blk(io_channel channel, unsigned long block,
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retval = io_channel_write_blk(data->real, block, count, buf);
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if (data->write_blk)
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data->write_blk(block, count, retval);
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else
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printf("Test_io: write_blk(%lu, %d) returned %s\n",
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block, count, retval ? error_message(retval) : "OK");
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if (data->flags & TEST_FLAG_WRITE)
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fprintf(data->outfile,
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"Test_io: write_blk(%lu, %d) returned %s\n",
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block, count, retval ? error_message(retval) : "OK");
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if (data->block && data->block == block)
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test_dump_block(channel, data, block, buf);
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return retval;
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}
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@ -235,9 +291,10 @@ static errcode_t test_write_byte(io_channel channel, unsigned long offset,
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retval = io_channel_write_byte(data->real, offset, count, buf);
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if (data->write_byte)
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data->write_byte(offset, count, retval);
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else
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printf("Test_io: write_byte(%lu, %d) returned %s\n",
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offset, count, retval ? error_message(retval) : "OK");
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if (data->flags & TEST_FLAG_WRITE)
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fprintf(data->outfile,
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"Test_io: write_byte(%lu, %d) returned %s\n",
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offset, count, retval ? error_message(retval) : "OK");
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return retval;
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}
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@ -256,8 +313,9 @@ static errcode_t test_flush(io_channel channel)
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if (data->real)
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retval = io_channel_flush(data->real);
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printf("Test_io: flush() returned %s\n",
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retval ? error_message(retval) : "OK");
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if (data->flags & TEST_FLAG_FLUSH)
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fprintf(data->outfile, "Test_io: flush() returned %s\n",
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retval ? error_message(retval) : "OK");
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return retval;
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}
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@ -1,3 +1,9 @@
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2003-05-05 Theodore Ts'o <tytso@mit.edu>
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* tune2fs.c (main, add_journal_device, remove_journal_device): If
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--enable-testio-debug is set, then use the test_io manager
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so we can watch what tune2fs is doing.
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2003-05-03 Theodore Ts'o <tytso@mit.edu>
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* uuidgen.c (main): Add setup functions for NLS support.
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@ -109,6 +109,7 @@ static void remove_journal_device(ext2_filsys fs)
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int i, nr_users;
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errcode_t retval;
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int commit_remove_journal = 0;
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io_manager io_ptr;
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if (f_flag)
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commit_remove_journal = 1; /* force removal even if error */
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@ -123,9 +124,15 @@ static void remove_journal_device(ext2_filsys fs)
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return;
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}
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#ifdef CONFIG_TESTIO_DEBUG
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io_ptr = test_io_manager;
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test_io_backing_manager = unix_io_manager;
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#else
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io_ptr = unix_io_manager;
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#endif
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retval = ext2fs_open(journal_path, EXT2_FLAG_RW|
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EXT2_FLAG_JOURNAL_DEV_OK, 0,
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fs->blocksize, unix_io_manager, &jfs);
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fs->blocksize, io_ptr, &jfs);
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if (retval) {
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com_err(program_name, retval,
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_("while trying to open external journal"));
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@ -358,6 +365,7 @@ static void add_journal(ext2_filsys fs)
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unsigned long journal_blocks;
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errcode_t retval;
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ext2_filsys jfs;
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io_manager io_ptr;
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if (fs->super->s_feature_compat &
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EXT3_FEATURE_COMPAT_HAS_JOURNAL) {
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@ -367,9 +375,15 @@ static void add_journal(ext2_filsys fs)
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if (journal_device) {
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check_plausibility(journal_device);
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check_mount(journal_device, 0, _("journal"));
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#ifdef CONFIG_TESTIO_DEBUG
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io_ptr = test_io_manager;
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test_io_backing_manager = unix_io_manager;
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#else
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io_ptr = unix_io_manager;
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#endif
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retval = ext2fs_open(journal_device, EXT2_FLAG_RW|
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EXT2_FLAG_JOURNAL_DEV_OK, 0,
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fs->blocksize, unix_io_manager, &jfs);
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fs->blocksize, io_ptr, &jfs);
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if (retval) {
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com_err(program_name, retval,
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_("\n\twhile trying to open journal on %s\n"),
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@ -704,6 +718,7 @@ int main (int argc, char ** argv)
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errcode_t retval;
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ext2_filsys fs;
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struct ext2_super_block *sb;
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io_manager io_ptr;
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#ifdef ENABLE_NLS
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setlocale(LC_MESSAGES, "");
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@ -722,8 +737,13 @@ int main (int argc, char ** argv)
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else
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parse_tune2fs_options(argc, argv);
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retval = ext2fs_open (device_name, open_flag, 0, 0,
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unix_io_manager, &fs);
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#ifdef CONFIG_TESTIO_DEBUG
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io_ptr = test_io_manager;
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test_io_backing_manager = unix_io_manager;
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#else
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io_ptr = unix_io_manager;
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#endif
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retval = ext2fs_open (device_name, open_flag, 0, 0, io_ptr, &fs);
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if (retval) {
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com_err (program_name, retval, _("while trying to open %s"),
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device_name);
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