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libsysprof-analyze: implement key/value superblock option API

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This currently gets used in libsysprof to try to cross mount namespaces to
somewhere we can access a binary on the same subvolume.
This commit is contained in:
Christian Hergert
2023-05-11 15:21:36 -07:00
parent 35f87b6121
commit ff1b4d00bd
3 changed files with 38 additions and 2 deletions
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4
src/libsysprof-analyze/tests/test-list-processes.c
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@ -73,6 +73,7 @@ main (int argc,
for (guint j = 0; j < n_mounts; j++)
{
g_autoptr(SysprofMount) mount = g_list_model_get_item (mounts, j);
g_autofree char *subvol = sysprof_mount_get_superblock_option (mount, "subvol");
g_print (" %d %d %d:%d %s %s %s %s %s\n",
sysprof_mount_get_mount_id (mount),
@ -84,6 +85,9 @@ main (int argc,
sysprof_mount_get_mount_source (mount),
sysprof_mount_get_filesystem_type (mount),
sysprof_mount_get_superblock_options (mount));
if (subvol != NULL)
g_print (" Had subvol superblock option: %s\n", subvol);
}
}