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xfs: display more zone related information in mountstats

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Modify xfs_zoned_show_stats() to add to the information displayed with
/proc/self/mountstats the total number of zones (RT groups) and the
number of open zones together with the maximum number of open zones.

Signed-off-by: Damien Le Moal <dlemoal@kernel.org>
Reviewed-by: Hans Holmberg <hans.holmberg@wdc.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Carlos Maiolino <cem@kernel.org>
This commit is contained in:
Damien Le Moal
2026-03-16 20:40:19 +09:00
committed by Carlos Maiolino
parent 6a82a691b0
commit 68aa101bf2
1 changed files with 6 additions and 1 deletions
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7
fs/xfs/xfs_zone_info.c
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@@ -90,9 +90,14 @@ xfs_zoned_show_stats(
seq_printf(m, "\tRT GC required: %d\n",
xfs_zoned_need_gc(mp));
seq_printf(m, "\ttotal number of zones: %u\n",
mp->m_sb.sb_rgcount);
seq_printf(m, "\tfree zones: %d\n", atomic_read(&zi->zi_nr_free_zones));
seq_puts(m, "\topen zones:\n");
spin_lock(&zi->zi_open_zones_lock);
seq_printf(m, "\tnumber of open zones: %u / %u\n",
zi->zi_nr_open_zones, mp->m_max_open_zones);
seq_puts(m, "\topen zones:\n");
list_for_each_entry(oz, &zi->zi_open_zones, oz_entry)
xfs_show_open_zone(m, oz);
if (zi->zi_open_gc_zone) {