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Add dataset_kstats_update.. to mmap read/write paths 

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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6
module/os/freebsd/zfs/zfs_vnops_os.c
View File

@ -4141,6 +4141,9 @@ zfs_getpages(struct vnode *vp, vm_page_t *ma, int count, int *rbehind,
if (lr != NULL)
zfs_rangelock_exit(lr);
ZFS_ACCESSTIME_STAMP(zfsvfs, zp);
dataset_kstats_update_read_kstats(&zfsvfs->z_kstat, count*PAGE_SIZE);
ZFS_EXIT(zfsvfs);
if (error != 0)
@ -4318,6 +4321,9 @@ out:
if ((flags & (zfs_vm_pagerput_sync | zfs_vm_pagerput_inval)) != 0 ||
zfsvfs->z_os->os_sync == ZFS_SYNC_ALWAYS)
zil_commit(zfsvfs->z_log, zp->z_id);
dataset_kstats_update_write_kstats(&zfsvfs->z_kstat, len);
ZFS_EXIT(zfsvfs);
return (rtvals[0]);
}

4
module/os/linux/zfs/zfs_vnops_os.c
View File

@ -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);
}