btrfs: zoned: only allow one process to add pages to a relocation inode

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Don't allow more than one process to add pages to a relocation inode on
a zoned filesystem, otherwise we cannot guarantee the sequential write
rule once we're filling preallocated extents on a zoned filesystem.

Signed-off-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>

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Johannes Thumshirn 2021-09-09 01:19:27 +09:00 • committed by David Sterba

parent c2707a2556

commit 35156d8527

1 changed files with 11 additions and 0 deletions

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fs/btrfs/extent_io.c

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