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Add dataset_kstats_update.. to mmap read/write paths

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This allows reads/writes caused by accesses to mmap files to be
accounted correctly in the per-dataset kstats for both Linux and
FreeBSD.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Ryan Moeller <freqlabs@FreeBSD.org>
Signed-off-by: Matthias Blankertz <matthias@blankertz.org>
Closes #12994 
Closes #13044
This commit is contained in:
drowfx
2022-02-09 23:41:42 +01:00
committed by Tony Hutter
parent 5c19af07d4
commit bc99c809d5
2 changed files with 10 additions and 0 deletions
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module/os/linux/zfs/zfs_vnops_os.c
+4
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@@ -3635,6 +3635,8 @@ zfs_putpage(struct inode *ip, struct page *pp, struct writeback_control *wbc)
zil_commit(zfsvfs->z_log, zp->z_id);
}
dataset_kstats_update_write_kstats(&zfsvfs->z_kstat, pglen);
ZFS_EXIT(zfsvfs);
return (err);
}
@@ -3830,6 +3832,8 @@ zfs_getpage(struct inode *ip, struct page *pl[], int nr_pages)
err = zfs_fillpage(ip, pl, nr_pages);
dataset_kstats_update_read_kstats(&zfsvfs->z_kstat, nr_pages*PAGESIZE);
ZFS_EXIT(zfsvfs);
return (err);
}