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openSUSE:12.2
xen
hotplug.losetup.patch
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File hotplug.losetup.patch of Package xen
Improve busy loop device detection after changeset 22773:02c0af2bf280 The intention is not to find the file to be mounted in the losetup -a output. What matters are existing mounted files with the same dev:inode as the new file. So the fix is to apply variable expansion which happens only without double quotes. Otherwise $dev will contain newlines for hardlinked files, as mentioned in the commit message from the changeset above. losetup -a does also truncate long filenames to 62 chars due to ioctl limitations. This part is fixed with 2.6.37 where the filename can be obtained from sysfs. As a result very long filenames will be missed. Signed-off-by: Olaf Hering <olaf@aepfle.de> --- tools/hotplug/Linux/block | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) Index: xen-4.1.2-testing/tools/hotplug/Linux/block =================================================================== --- xen-4.1.2-testing.orig/tools/hotplug/Linux/block +++ xen-4.1.2-testing/tools/hotplug/Linux/block @@ -280,8 +280,8 @@ mount it read-write in a guest domain." fi shared_list=$(losetup -a | - sed -n -e "s@^\([^:]\+\)\(:[[:blank:]]\[${dev}\]:${inode}[[:blank:]](${file})\)@\1@p" ) - for dev in "$shared_list" + sed -n -e "s@^\([^:]\+\)\(:[[:blank:]]\[0*${dev}\]:${inode}[[:blank:]](.*)\)@\1@p" ) + for dev in $shared_list do if [ -n "$dev" ] then
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