More mmp fixes
This commit is contained in:
Eric Sandeen
parent
c8c716f425
commit
ef8f64dfa8
@ -1,8 +1,3 @@
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Date: Tue, 08 Nov 2011 16:26:35 -0600
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From: Eric Sandeen <sandeen@redhat.com>
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To: ext4 development <linux-ext4@vger.kernel.org>
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Subject: [PATCH] libext2: advance group in ext2fs_open2 during swapping
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Without this change, we go back to getting group descriptor
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Without this change, we go back to getting group descriptor
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"0" each time we go around the "for i" loop. It must properly
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"0" each time we go around the "for i" loop. It must properly
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advance through the filesystem.
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advance through the filesystem.
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@ -37,10 +32,288 @@ index 0cefe3f..40a52c5 100644
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ext2fs_swap_group_desc2(fs, gdp);
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ext2fs_swap_group_desc2(fs, gdp);
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}
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}
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#endif
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#endif
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diff --git a/debugfs/debugfs.c b/debugfs/debugfs.c
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--
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index eba3b69..1fb8f44 100644
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To unsubscribe from this list: send the line "unsubscribe linux-ext4" in
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--- a/debugfs/debugfs.c
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the body of a message to majordomo@vger.kernel.org
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+++ b/debugfs/debugfs.c
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More majordomo info at http://vger.kernel.org/majordomo-info.html
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@@ -2165,11 +2165,15 @@ void do_punch(int argc, char *argv[])
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void do_dump_mmp(int argc, char *argv[])
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{
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- struct ext2_super_block *sb = current_fs->super;
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+ struct ext2_super_block *sb;
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struct mmp_struct *mmp_s;
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time_t t;
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errcode_t retval = 0;
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+ if (check_fs_open(argv[0]))
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+ return;
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+
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+ sb = current_fs->super;
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if (sb->s_mmp_block <= sb->s_first_data_block ||
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sb->s_mmp_block >= ext2fs_blocks_count(sb)) {
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com_err(argv[0], EXT2_ET_MMP_BAD_BLOCK, "while dumping it.\n");
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@@ -2203,6 +2207,7 @@ void do_dump_mmp(int argc, char *argv[])
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fprintf(stdout, "time: %lld -- %s", mmp_s->mmp_time, ctime(&t));
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fprintf(stdout, "node_name: %s\n", mmp_s->mmp_nodename);
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fprintf(stdout, "device_name: %s\n", mmp_s->mmp_bdevname);
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+ fprintf(stdout, "magic: 0x%x\n", mmp_s->mmp_magic);
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}
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static int source_file(const char *cmd_file, int sci_idx)
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diff --git a/debugfs/set_fields.c b/debugfs/set_fields.c
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index d461275..0041160 100644
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--- a/debugfs/set_fields.c
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+++ b/debugfs/set_fields.c
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@@ -242,6 +242,9 @@ static struct field_set_info ext4_bg_fields[] = {
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{ 0, 0, 0, 0 }
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};
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+/* forward declaration */
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+static struct field_set_info mmp_fields[];
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+
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static int check_suffix(const char *field)
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{
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int len = strlen(field);
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@@ -561,6 +564,9 @@ static void print_possible_fields(struct field_set_info *fields)
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} else if (fields == inode_fields) {
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type = "Inode";
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cmd = "set_inode";
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+ } else if (fields == mmp_fields) {
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+ type = "MMP";
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+ cmd = "set_mmp_value";
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} else {
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type = "Block group descriptor";
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cmd = "set_block_group";
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@@ -768,6 +774,9 @@ void do_set_mmp_value(int argc, char *argv[])
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return;
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}
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+ if (check_fs_open(argv[0]))
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+ return;
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+
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if (current_fs->super->s_mmp_block == 0) {
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com_err(argv[0], 0, "no MMP block allocated\n");
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return;
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diff --git a/lib/ext2fs/mmp.c b/lib/ext2fs/mmp.c
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index 91f4fb2..b27d9a4 100644
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--- a/lib/ext2fs/mmp.c
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+++ b/lib/ext2fs/mmp.c
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@@ -127,7 +127,7 @@ errcode_t ext2fs_mmp_write(ext2_filsys fs, blk64_t mmp_blk, void *buf)
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/* I was tempted to make this use O_DIRECT and the mmp_fd, but
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* this caused no end of grief, while leaving it as-is works. */
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- retval = io_channel_write_blk64(fs->io, mmp_blk, -fs->blocksize, buf);
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+ retval = io_channel_write_blk64(fs->io, mmp_blk, -(int)sizeof(struct mmp_struct), buf);
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#ifdef WORDS_BIGENDIAN
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ext2fs_swap_mmp(mmp_s);
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diff --git a/tests/f_mmp/script b/tests/f_mmp/script
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index 548734a..4aca447 100644
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--- a/tests/f_mmp/script
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+++ b/tests/f_mmp/script
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@@ -12,7 +12,7 @@ if [ $? == 0 ]; then
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fi
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echo "make the test image ..." > $test_name.log
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-$MKE2FS -q -F -o Linux -b 1024 -O mmp -E mmp_update_interval=1 $TMPFILE 100 >> $test_name.log 2>&1
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+$MKE2FS -q -F -o Linux -b 4096 -O mmp -E mmp_update_interval=1 $TMPFILE 100 >> $test_name.log 2>&1
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status=$?
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if [ "$status" != 0 ] ; then
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echo "mke2fs -O mmp failed" > $test_name.failed
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diff --git a/tests/f_mmp_garbage/expect.1 b/tests/f_mmp_garbage/expect.1
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index 4ee5cfb..a8add10 100644
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--- a/tests/f_mmp_garbage/expect.1
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+++ b/tests/f_mmp_garbage/expect.1
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@@ -5,5 +5,5 @@ Pass 2: Checking directory structure
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Pass 3: Checking directory connectivity
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Pass 4: Checking reference counts
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Pass 5: Checking group summary information
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-test_filesys: 11/16 files (0.0% non-contiguous), 22/100 blocks
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+test_filesys: 11/64 files (0.0% non-contiguous), 13/100 blocks
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Exit status is 0
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diff --git a/tests/f_mmp_garbage/expect.2 b/tests/f_mmp_garbage/expect.2
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index 3bf3869..6630002 100644
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--- a/tests/f_mmp_garbage/expect.2
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+++ b/tests/f_mmp_garbage/expect.2
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@@ -3,5 +3,5 @@ Pass 2: Checking directory structure
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Pass 3: Checking directory connectivity
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Pass 4: Checking reference counts
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Pass 5: Checking group summary information
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-test_filesys: 11/16 files (0.0% non-contiguous), 22/100 blocks
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+test_filesys: 11/64 files (0.0% non-contiguous), 13/100 blocks
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Exit status is 0
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diff --git a/tests/f_mmp_garbage/script b/tests/f_mmp_garbage/script
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index 3c80032..8b5a22a 100644
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--- a/tests/f_mmp_garbage/script
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+++ b/tests/f_mmp_garbage/script
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@@ -12,7 +12,7 @@ if [ $? == 0 ] ; then
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fi
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echo "make the test image ..." > $test_name.log
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-$MKE2FS -q -F -o Linux -b 1024 -O mmp -E mmp_update_interval=1 $TMPFILE 100 >> $test_name.log 2>&1
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+$MKE2FS -q -F -o Linux -b 4096 -O mmp -E mmp_update_interval=1 $TMPFILE 100 >> $test_name.log 2>&1
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status=$?
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if [ "$status" != 0 ] ; then
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echo "mke2fs -O mmp failed" > $test_name.failed
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diff --git a/tests/m_mmp/expect.1 b/tests/m_mmp/expect.1
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index 3a00815..d3319b3 100644
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--- a/tests/m_mmp/expect.1
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+++ b/tests/m_mmp/expect.1
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@@ -1,55 +1,55 @@
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Filesystem label=
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OS type: Linux
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-Block size=2048 (log=1)
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-Fragment size=2048 (log=1)
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+Block size=4096 (log=2)
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+Fragment size=4096 (log=2)
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Stride=0 blocks, Stripe width=0 blocks
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-16384 inodes, 32768 blocks
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-1638 blocks (5.00%) reserved for the super user
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+65536 inodes, 65536 blocks
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+3276 blocks (5.00%) reserved for the super user
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First data block=0
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-Maximum filesystem blocks=33554432
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+Maximum filesystem blocks=67108864
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2 block groups
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-16384 blocks per group, 16384 fragments per group
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-8192 inodes per group
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+32768 blocks per group, 32768 fragments per group
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+32768 inodes per group
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Superblock backups stored on blocks:
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- 16384
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+ 32768
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Allocating group tables: 0/21/2 done
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Writing inode tables: 0/21/2 done
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Multiple mount protection is enabled with update interval 5 seconds.
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Writing superblocks and filesystem accounting information: 0/21/2 done
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-Filesystem features: ext_attr resize_inode dir_index filetype mmp sparse_super
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+Filesystem features: ext_attr resize_inode dir_index filetype mmp sparse_super large_file
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Pass 1: Checking inodes, blocks, and sizes
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Pass 2: Checking directory structure
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Pass 3: Checking directory connectivity
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Pass 4: Checking reference counts
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Pass 5: Checking group summary information
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-test_filesys: 11/16384 files (0.0% non-contiguous), 1105/32768 blocks
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+test_filesys: 11/65536 files (0.0% non-contiguous), 2093/65536 blocks
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Exit status is 0
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Filesystem volume name: <none>
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Last mounted on: <not available>
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Filesystem magic number: 0xEF53
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Filesystem revision #: 1 (dynamic)
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-Filesystem features: ext_attr resize_inode dir_index filetype mmp sparse_super
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+Filesystem features: ext_attr resize_inode dir_index filetype mmp sparse_super large_file
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Default mount options: (none)
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Filesystem state: clean
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Errors behavior: Continue
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Filesystem OS type: Linux
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-Inode count: 16384
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-Block count: 32768
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-Reserved block count: 1638
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-Free blocks: 31663
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-Free inodes: 16373
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+Inode count: 65536
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+Block count: 65536
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+Reserved block count: 3276
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+Free blocks: 63443
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+Free inodes: 65525
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First block: 0
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-Block size: 2048
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-Fragment size: 2048
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-Reserved GDT blocks: 31
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-Blocks per group: 16384
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-Fragments per group: 16384
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-Inodes per group: 8192
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-Inode blocks per group: 512
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+Block size: 4096
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+Fragment size: 4096
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+Reserved GDT blocks: 15
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+Blocks per group: 32768
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+Fragments per group: 32768
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+Inodes per group: 32768
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+Inode blocks per group: 1024
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Mount count: 0
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Check interval: 15552000 (6 months)
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Reserved blocks uid: 0
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@@ -57,23 +57,23 @@ Reserved blocks gid: 0
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First inode: 11
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Inode size: 128
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Default directory hash: half_md4
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-MMP block number: 557
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+MMP block number: 1049
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MMP update interval: 5
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-Group 0: (Blocks 0-16383)
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+Group 0: (Blocks 0-32767)
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Primary superblock at 0, Group descriptors at 1-1
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- Reserved GDT blocks at 2-32
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- Block bitmap at 33 (+33), Inode bitmap at 34 (+34)
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- Inode table at 35-546 (+35)
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- 15826 free blocks, 8181 free inodes, 2 directories
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- Free blocks: 558-16383
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- Free inodes: 12-8192
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-Group 1: (Blocks 16384-32767)
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- Backup superblock at 16384, Group descriptors at 16385-16385
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- Reserved GDT blocks at 16386-16416
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- Block bitmap at 16417 (+33), Inode bitmap at 16418 (+34)
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- Inode table at 16419-16930 (+35)
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- 15837 free blocks, 8192 free inodes, 0 directories
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- Free blocks: 16931-32767
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- Free inodes: 8193-16384
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+ Reserved GDT blocks at 2-16
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+ Block bitmap at 17 (+17), Inode bitmap at 18 (+18)
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+ Inode table at 19-1042 (+19)
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+ 31718 free blocks, 32757 free inodes, 2 directories
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+ Free blocks: 1050-32767
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+ Free inodes: 12-32768
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+Group 1: (Blocks 32768-65535)
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+ Backup superblock at 32768, Group descriptors at 32769-32769
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+ Reserved GDT blocks at 32770-32784
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+ Block bitmap at 32785 (+17), Inode bitmap at 32786 (+18)
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+ Inode table at 32787-33810 (+19)
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+ 31725 free blocks, 32768 free inodes, 0 directories
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+ Free blocks: 33811-65535
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+ Free inodes: 32769-65536
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diff --git a/tests/m_mmp/script b/tests/m_mmp/script
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index 1547463..b3e206a 100644
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--- a/tests/m_mmp/script
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+++ b/tests/m_mmp/script
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@@ -10,6 +10,6 @@ if [ $? == 0 ]; then
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echo "skipped for tmpfs (no O_DIRECT support)"
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return 0
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fi
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-MKE2FS_OPTS="-O mmp"
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+MKE2FS_OPTS="-b 4096 -O mmp"
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. $cmd_dir/run_mke2fs
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unset MKE2FS_DEVICE_SECTSIZE
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diff --git a/tests/t_mmp_1on/script b/tests/t_mmp_1on/script
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index ee9884f..3b0a376 100644
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--- a/tests/t_mmp_1on/script
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+++ b/tests/t_mmp_1on/script
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@@ -11,7 +11,7 @@ if [ $? == 0 ] ; then
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return 0
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fi
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-$MKE2FS -q -F -o Linux -b 1024 $TMPFILE 100 > $test_name.log 2>&1
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+$MKE2FS -q -F -o Linux -b 4096 $TMPFILE 100 > $test_name.log 2>&1
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status=$?
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if [ "$status" != 0 ] ; then
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echo "mke2fs failed" > $test_name.failed
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diff --git a/tests/t_mmp_2off/script b/tests/t_mmp_2off/script
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index ec9f71e..56c6bed 100644
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--- a/tests/t_mmp_2off/script
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+++ b/tests/t_mmp_2off/script
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@@ -11,7 +11,7 @@ if [ $? == 0 ]; then
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return 0
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fi
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-$MKE2FS -q -F -o Linux -b 1024 -O mmp $TMPFILE 100 > $test_name.log 2>&1
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+$MKE2FS -q -F -o Linux -b 4096 -O mmp $TMPFILE 100 > $test_name.log 2>&1
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status=$?
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if [ "$status" != 0 ] ; then
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echo "mke2fs -O mmp failed" > $test_name.failed
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@ -4,7 +4,7 @@
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Summary: Utilities for managing ext2, ext3, and ext4 filesystems
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Summary: Utilities for managing ext2, ext3, and ext4 filesystems
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Name: e2fsprogs
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Name: e2fsprogs
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Version: 1.42
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Version: 1.42
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Release: 0.6.WIP.1016%{?dist}
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Release: 0.7.WIP.1016%{?dist}
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# License tags based on COPYING file distinctions for various components
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# License tags based on COPYING file distinctions for various components
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License: GPLv2
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License: GPLv2
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@ -322,6 +322,9 @@ exit 0
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%{_libdir}/pkgconfig/ss.pc
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%{_libdir}/pkgconfig/ss.pc
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%changelog
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%changelog
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* Thu Nov 10 2011 Eric Sandeen <sandeen@redhat.com> 1.42-0.7.WIP.1016
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- Several mmp-related fixes
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* Tue Nov 08 2011 Eric Sandeen <sandeen@redhat.com> 1.42-0.6.WIP.1016
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* Tue Nov 08 2011 Eric Sandeen <sandeen@redhat.com> 1.42-0.6.WIP.1016
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- Fix e2fsck / make check on big endian arch
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- Fix e2fsck / make check on big endian arch
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