Can I get rid of “ext4-rsv-conversion” process?

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uname -a gives:

Linux devuan 4.9.0-6-amd64 #1 SMP Debian 4.9.88-1 (2018-04-29) x86_64 GNU/Linux

All filesystems on all disks in this box are ext3 (~15T worth over six disks)

ps -A gives:



...
14684 ? 00:00:00 jbd2/sdc1-8
14685 ? 00:00:00 ext4-rsv-conver
14688 ? 00:00:00 jbd2/sdc2-8
14689 ? 00:00:00 ext4-rsv-conver
14692 ? 00:00:00 jbd2/sdc3-8
14693 ? 00:00:00 ext4-rsv-conver
14696 ? 00:00:00 jbd2/sdd1-8
14697 ? 00:00:00 ext4-rsv-conver
14700 ? 00:00:00 jbd2/sdd2-8
14701 ? 00:00:00 ext4-rsv-conver
14704 ? 00:00:00 jbd2/sdd3-8
14705 ? 00:00:00 ext4-rsv-conver
14708 ? 00:00:00 jbd2/sdd4-8
14709 ? 00:00:00 ext4-rsv-conver
14712 ? 00:00:00 jbd2/sdf1-8
14713 ? 00:00:00 ext4-rsv-conver
...


Googling doesn't find explanation for "ext4-rsv-conver" to exist, especially since all I use are ext3.
Why does this exist here, is it really needed & can I get rid of it?










share|improve this question





















  • Related: unix.stackexchange.com/questions/463210/…
    – Thomas
    yesterday










  • @Thomas: yea, I saw that but that and the links unfortunately gives me no info
    – slashmais
    yesterday














up vote
0
down vote

favorite












uname -a gives:

Linux devuan 4.9.0-6-amd64 #1 SMP Debian 4.9.88-1 (2018-04-29) x86_64 GNU/Linux

All filesystems on all disks in this box are ext3 (~15T worth over six disks)

ps -A gives:



...
14684 ? 00:00:00 jbd2/sdc1-8
14685 ? 00:00:00 ext4-rsv-conver
14688 ? 00:00:00 jbd2/sdc2-8
14689 ? 00:00:00 ext4-rsv-conver
14692 ? 00:00:00 jbd2/sdc3-8
14693 ? 00:00:00 ext4-rsv-conver
14696 ? 00:00:00 jbd2/sdd1-8
14697 ? 00:00:00 ext4-rsv-conver
14700 ? 00:00:00 jbd2/sdd2-8
14701 ? 00:00:00 ext4-rsv-conver
14704 ? 00:00:00 jbd2/sdd3-8
14705 ? 00:00:00 ext4-rsv-conver
14708 ? 00:00:00 jbd2/sdd4-8
14709 ? 00:00:00 ext4-rsv-conver
14712 ? 00:00:00 jbd2/sdf1-8
14713 ? 00:00:00 ext4-rsv-conver
...


Googling doesn't find explanation for "ext4-rsv-conver" to exist, especially since all I use are ext3.
Why does this exist here, is it really needed & can I get rid of it?










share|improve this question





















  • Related: unix.stackexchange.com/questions/463210/…
    – Thomas
    yesterday










  • @Thomas: yea, I saw that but that and the links unfortunately gives me no info
    – slashmais
    yesterday












up vote
0
down vote

favorite









up vote
0
down vote

favorite











uname -a gives:

Linux devuan 4.9.0-6-amd64 #1 SMP Debian 4.9.88-1 (2018-04-29) x86_64 GNU/Linux

All filesystems on all disks in this box are ext3 (~15T worth over six disks)

ps -A gives:



...
14684 ? 00:00:00 jbd2/sdc1-8
14685 ? 00:00:00 ext4-rsv-conver
14688 ? 00:00:00 jbd2/sdc2-8
14689 ? 00:00:00 ext4-rsv-conver
14692 ? 00:00:00 jbd2/sdc3-8
14693 ? 00:00:00 ext4-rsv-conver
14696 ? 00:00:00 jbd2/sdd1-8
14697 ? 00:00:00 ext4-rsv-conver
14700 ? 00:00:00 jbd2/sdd2-8
14701 ? 00:00:00 ext4-rsv-conver
14704 ? 00:00:00 jbd2/sdd3-8
14705 ? 00:00:00 ext4-rsv-conver
14708 ? 00:00:00 jbd2/sdd4-8
14709 ? 00:00:00 ext4-rsv-conver
14712 ? 00:00:00 jbd2/sdf1-8
14713 ? 00:00:00 ext4-rsv-conver
...


Googling doesn't find explanation for "ext4-rsv-conver" to exist, especially since all I use are ext3.
Why does this exist here, is it really needed & can I get rid of it?










share|improve this question













uname -a gives:

Linux devuan 4.9.0-6-amd64 #1 SMP Debian 4.9.88-1 (2018-04-29) x86_64 GNU/Linux

All filesystems on all disks in this box are ext3 (~15T worth over six disks)

ps -A gives:



...
14684 ? 00:00:00 jbd2/sdc1-8
14685 ? 00:00:00 ext4-rsv-conver
14688 ? 00:00:00 jbd2/sdc2-8
14689 ? 00:00:00 ext4-rsv-conver
14692 ? 00:00:00 jbd2/sdc3-8
14693 ? 00:00:00 ext4-rsv-conver
14696 ? 00:00:00 jbd2/sdd1-8
14697 ? 00:00:00 ext4-rsv-conver
14700 ? 00:00:00 jbd2/sdd2-8
14701 ? 00:00:00 ext4-rsv-conver
14704 ? 00:00:00 jbd2/sdd3-8
14705 ? 00:00:00 ext4-rsv-conver
14708 ? 00:00:00 jbd2/sdd4-8
14709 ? 00:00:00 ext4-rsv-conver
14712 ? 00:00:00 jbd2/sdf1-8
14713 ? 00:00:00 ext4-rsv-conver
...


Googling doesn't find explanation for "ext4-rsv-conver" to exist, especially since all I use are ext3.
Why does this exist here, is it really needed & can I get rid of it?







linux ext4 ext3






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asked yesterday









slashmais

2641214




2641214











  • Related: unix.stackexchange.com/questions/463210/…
    – Thomas
    yesterday










  • @Thomas: yea, I saw that but that and the links unfortunately gives me no info
    – slashmais
    yesterday
















  • Related: unix.stackexchange.com/questions/463210/…
    – Thomas
    yesterday










  • @Thomas: yea, I saw that but that and the links unfortunately gives me no info
    – slashmais
    yesterday















Related: unix.stackexchange.com/questions/463210/…
– Thomas
yesterday




Related: unix.stackexchange.com/questions/463210/…
– Thomas
yesterday












@Thomas: yea, I saw that but that and the links unfortunately gives me no info
– slashmais
yesterday




@Thomas: yea, I saw that but that and the links unfortunately gives me no info
– slashmais
yesterday










1 Answer
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up vote
1
down vote













Since version 4.3 of the kernel, Ext3 file systems are handled by the Ext4 driver. That driver uses workqueues named ext4-rsv-conversion, one per file system; there is no way to get rid of them.






share|improve this answer




















  • thx. I've been holding on to ext3 until 4 is proven safe: has the jury come back yet? I see in the 'Related'-section questions re corruption, less disk-space => rsync-problem, ... Would it be worth it? is a mixed 3 & 4 ok? since ext4-driver is used for 3 does that mean ext3 is doomed?
    – slashmais
    16 hours ago










  • Ext4 has been considered stable enough for general use for ten years, and the Ext3 driver was removed three years ago. The on-disk format isn’t going away any time soon; Ext2 is still supported... A mixed setup is perfectly OK.
    – Stephen Kitt
    15 hours ago










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1 Answer
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1 Answer
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active

oldest

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active

oldest

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oldest

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up vote
1
down vote













Since version 4.3 of the kernel, Ext3 file systems are handled by the Ext4 driver. That driver uses workqueues named ext4-rsv-conversion, one per file system; there is no way to get rid of them.






share|improve this answer




















  • thx. I've been holding on to ext3 until 4 is proven safe: has the jury come back yet? I see in the 'Related'-section questions re corruption, less disk-space => rsync-problem, ... Would it be worth it? is a mixed 3 & 4 ok? since ext4-driver is used for 3 does that mean ext3 is doomed?
    – slashmais
    16 hours ago










  • Ext4 has been considered stable enough for general use for ten years, and the Ext3 driver was removed three years ago. The on-disk format isn’t going away any time soon; Ext2 is still supported... A mixed setup is perfectly OK.
    – Stephen Kitt
    15 hours ago














up vote
1
down vote













Since version 4.3 of the kernel, Ext3 file systems are handled by the Ext4 driver. That driver uses workqueues named ext4-rsv-conversion, one per file system; there is no way to get rid of them.






share|improve this answer




















  • thx. I've been holding on to ext3 until 4 is proven safe: has the jury come back yet? I see in the 'Related'-section questions re corruption, less disk-space => rsync-problem, ... Would it be worth it? is a mixed 3 & 4 ok? since ext4-driver is used for 3 does that mean ext3 is doomed?
    – slashmais
    16 hours ago










  • Ext4 has been considered stable enough for general use for ten years, and the Ext3 driver was removed three years ago. The on-disk format isn’t going away any time soon; Ext2 is still supported... A mixed setup is perfectly OK.
    – Stephen Kitt
    15 hours ago












up vote
1
down vote










up vote
1
down vote









Since version 4.3 of the kernel, Ext3 file systems are handled by the Ext4 driver. That driver uses workqueues named ext4-rsv-conversion, one per file system; there is no way to get rid of them.






share|improve this answer












Since version 4.3 of the kernel, Ext3 file systems are handled by the Ext4 driver. That driver uses workqueues named ext4-rsv-conversion, one per file system; there is no way to get rid of them.







share|improve this answer












share|improve this answer



share|improve this answer










answered yesterday









Stephen Kitt

149k23332398




149k23332398











  • thx. I've been holding on to ext3 until 4 is proven safe: has the jury come back yet? I see in the 'Related'-section questions re corruption, less disk-space => rsync-problem, ... Would it be worth it? is a mixed 3 & 4 ok? since ext4-driver is used for 3 does that mean ext3 is doomed?
    – slashmais
    16 hours ago










  • Ext4 has been considered stable enough for general use for ten years, and the Ext3 driver was removed three years ago. The on-disk format isn’t going away any time soon; Ext2 is still supported... A mixed setup is perfectly OK.
    – Stephen Kitt
    15 hours ago
















  • thx. I've been holding on to ext3 until 4 is proven safe: has the jury come back yet? I see in the 'Related'-section questions re corruption, less disk-space => rsync-problem, ... Would it be worth it? is a mixed 3 & 4 ok? since ext4-driver is used for 3 does that mean ext3 is doomed?
    – slashmais
    16 hours ago










  • Ext4 has been considered stable enough for general use for ten years, and the Ext3 driver was removed three years ago. The on-disk format isn’t going away any time soon; Ext2 is still supported... A mixed setup is perfectly OK.
    – Stephen Kitt
    15 hours ago















thx. I've been holding on to ext3 until 4 is proven safe: has the jury come back yet? I see in the 'Related'-section questions re corruption, less disk-space => rsync-problem, ... Would it be worth it? is a mixed 3 & 4 ok? since ext4-driver is used for 3 does that mean ext3 is doomed?
– slashmais
16 hours ago




thx. I've been holding on to ext3 until 4 is proven safe: has the jury come back yet? I see in the 'Related'-section questions re corruption, less disk-space => rsync-problem, ... Would it be worth it? is a mixed 3 & 4 ok? since ext4-driver is used for 3 does that mean ext3 is doomed?
– slashmais
16 hours ago












Ext4 has been considered stable enough for general use for ten years, and the Ext3 driver was removed three years ago. The on-disk format isn’t going away any time soon; Ext2 is still supported... A mixed setup is perfectly OK.
– Stephen Kitt
15 hours ago




Ext4 has been considered stable enough for general use for ten years, and the Ext3 driver was removed three years ago. The on-disk format isn’t going away any time soon; Ext2 is still supported... A mixed setup is perfectly OK.
– Stephen Kitt
15 hours ago

















 

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