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pnfs: Fix manipulation of NFS_LAYOUT_FIRST_LAYOUTGET

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The flag was not always being cleared after LAYOUTGET on OPEN.

Signed-off-by: Fred Isaman <fred.isaman@gmail.com>
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
This commit is contained in:
Fred Isaman
2016-10-18 13:39:51 -04:00
committed by Trond Myklebust
parent c49b5209f9
commit 30ae2412e9
3 changed files with 21 additions and 8 deletions
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20
fs/nfs/pnfs.c
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@@ -2129,13 +2129,11 @@ void pnfs_parse_lgopen(struct inode *ino, struct nfs4_layoutget *lgp,
lgp->args.inode = ino;
} else
lo = NFS_I(lgp->args.inode)->layout;
pnfs_get_layout_hdr(lo);
if (read_seqcount_retry(&srv->nfs_client->cl_callback_count,
lgp->callback_count))
goto out;
return;
lseg = pnfs_layout_process(lgp);
atomic_dec(&lo->plh_outstanding);
if (IS_ERR(lseg)) {
/* ignore lseg, but would like to mark not to try lgopen */
/* clear some lo flags - first and fail ???? */
@@ -2144,9 +2142,19 @@ void pnfs_parse_lgopen(struct inode *ino, struct nfs4_layoutget *lgp,
pnfs_layout_clear_fail_bit(lo, pnfs_iomode_to_fail_bit(iomode));
pnfs_put_lseg(lseg);
}
out:
pnfs_clear_first_layoutget(lo);
pnfs_put_layout_hdr(lo);
}
void nfs4_lgopen_release(struct nfs4_layoutget *lgp)
{
if (lgp != NULL) {
struct inode *inode = lgp->args.inode;
if (inode) {
struct pnfs_layout_hdr *lo = NFS_I(inode)->layout;
atomic_dec(&lo->plh_outstanding);
pnfs_clear_first_layoutget(lo);
}
pnfs_layoutget_free(lgp);
}
}
struct pnfs_layout_segment *