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Restore busy detection of unknown mounted file systems (#723842) 

Previous commit:
    Make partition busy detection method selectable per file system
    (#723842)
causes GParted to no longer detect an unknown mounted file system as
busy.

This is needed because there are many less popular file systems which
Linux can mount but GParted doesn't recognise, such as: Acorn ADFS,
AFFS, BeFS, BFS, etc.  Encountering an unrecognised mounted device can
also occur with btrfs on Linux 3.4 and earlier when the mounting device
is deleted from a multi-device btrfs file system.  Happens because
/proc/mounts continues to show the original mounting device even after
that device was deleted from the file system.

    # mkfs.btrfs /dev/sdb1
    # mount /dev/sdb1 /mnt/1
    # btrfs device add /dev/sdb2 /mnt/1
    # btrfs device delete /dev/sdb1 /mnt/1
    # btrfs filesystem sync /mnt/1
    # grep btrfs /proc/mounts
    /dev/sdb1 /mnt/1 btrfs rw,seclabel,relatime,ssd,space_cache 0 0
    # blkid /dev/sdb1
    # btrfs filesystem show /dev/sdb1
    # blkid /dev/sdb2
    /dev/sdb2: UUID="9c75647c-217a-4718-bcc7-f3ccd8cc7dc6" UUID_SUB="b5d43630-80d4-42ac-b406-185e97cd5bbe" TYPE="btrfs"
    # btrfs filesystem show /dev/sdb2
    Label: none  uuid: 9c75647c-217a-4718-bcc7-f3ccd8cc7dc6
            Total devices 1 FS bytes used 28.00KB
            devid    2 size 2.00GB used 1.02GB path /dev/sdb2

Reinstate the search for mounted partitions for busy detection even for
unrecognised file system types.

Bug #723842 - GParted resizes the wrong filesystem (does not pass the
              devid to btrfs filesystem resize)
This commit is contained in:
Mike Fleetwood 2014-03-18 22:10:40 +00:00 committed by Curtis Gedak
parent b1dc9e69e3
commit 49a2e19462
1 changed files with 7 additions and 1 deletions
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8
src/GParted_Core.cc
View File

@ -1590,8 +1590,14 @@ bool GParted_Core::is_busy( FILESYSTEM fstype, const Glib::ustring & path )
}
else
{
//Still search GParted internal mounted partitions map in case an
// unknown file system is mounted
iter_mp = mount_info .find( path ) ;
if ( iter_mp != mount_info .end() )
busy = true ;
//Custom checks for recognised but other not-supported file system types
busy = ( fstype == FS_LINUX_SWRAID && Utils::swraid_member_is_active( path ) ) ;
busy |= ( fstype == FS_LINUX_SWRAID && Utils::swraid_member_is_active( path ) ) ;
}
return busy ;