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pNFS: Add infrastructure for cleaning up per-layout commit structures

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Ensure that both the file and flexfiles layout types clean up when
freeing the layout segments.

Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
This commit is contained in:
Trond Myklebust 2020-03-20 16:04:06 -04:00
parent e3b9f7e60b
commit a9901899b6
7 changed files with 121 additions and 4 deletions
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11
fs/nfs/flexfilelayout/flexfilelayout.c
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@ -580,6 +580,7 @@ ff_layout_free_lseg(struct pnfs_layout_segment *lseg)
kfree(ffl->commit_info.buckets);
ffl->commit_info.buckets = NULL;
}
pnfs_generic_ds_cinfo_release_lseg(&ffl->commit_info, lseg);
spin_unlock(&inode->i_lock);
}
_ff_layout_free_lseg(fls);
@ -2003,6 +2004,15 @@ ff_layout_get_ds_info(struct inode *inode)
return &FF_LAYOUT_FROM_HDR(layout)->commit_info;
}
static void
ff_layout_release_ds_info(struct pnfs_ds_commit_info *fl_cinfo,
struct inode *inode)
{
spin_lock(&inode->i_lock);
pnfs_generic_ds_cinfo_destroy(fl_cinfo);
spin_unlock(&inode->i_lock);
}
static void
ff_layout_free_deviceid_node(struct nfs4_deviceid_node *d)
{
@ -2503,6 +2513,7 @@ static struct pnfs_layoutdriver_type flexfilelayout_type = {
.pg_read_ops = &ff_layout_pg_read_ops,
.pg_write_ops = &ff_layout_pg_write_ops,
.get_ds_info = ff_layout_get_ds_info,
.release_ds_info = ff_layout_release_ds_info,
.free_deviceid_node = ff_layout_free_deviceid_node,
.mark_request_commit = pnfs_layout_mark_request_commit,
.clear_request_commit = pnfs_generic_clear_request_commit,