diff options
| author | Trond Myklebust <trond.myklebust@primarydata.com> | 2015-08-04 23:40:08 +0300 |
|---|---|---|
| committer | Trond Myklebust <trond.myklebust@primarydata.com> | 2015-08-12 21:56:19 +0300 |
| commit | e1c06f80dcca54cd323d1b98eb385a2c05c6e06b (patch) | |
| tree | 0c353cbea4ee859581a471132af04206dfb3c191 /fs/nfs/pnfs.c | |
| parent | 2d8ae84fbc32a14bba176cf9c20d5eb2a3d42791 (diff) | |
| download | linux-e1c06f80dcca54cd323d1b98eb385a2c05c6e06b.tar.xz | |
NFSv4.1/pnfs: Remove redundant check in pnfs_layoutgets_blocked()
layoutget now should already be serialised w.r.t. layout returns
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Diffstat (limited to 'fs/nfs/pnfs.c')
| -rw-r--r-- | fs/nfs/pnfs.c | 26 |
1 files changed, 5 insertions, 21 deletions
diff --git a/fs/nfs/pnfs.c b/fs/nfs/pnfs.c index ada07376a6c7..037126a8c216 100644 --- a/fs/nfs/pnfs.c +++ b/fs/nfs/pnfs.c @@ -816,23 +816,12 @@ pnfs_layout_stateid_blocked(const struct pnfs_layout_hdr *lo, return !pnfs_seqid_is_newer(seqid, lo->plh_barrier); } -static bool -pnfs_layout_returning(const struct pnfs_layout_hdr *lo, - struct pnfs_layout_range *range) -{ - return test_bit(NFS_LAYOUT_RETURN, &lo->plh_flags) && - (lo->plh_return_iomode == IOMODE_ANY || - lo->plh_return_iomode == range->iomode); -} - /* lget is set to 1 if called from inside send_layoutget call chain */ static bool -pnfs_layoutgets_blocked(const struct pnfs_layout_hdr *lo, - struct pnfs_layout_range *range) +pnfs_layoutgets_blocked(const struct pnfs_layout_hdr *lo) { return lo->plh_block_lgets || - test_bit(NFS_LAYOUT_BULK_RECALL, &lo->plh_flags) || - pnfs_layout_returning(lo, range); + test_bit(NFS_LAYOUT_BULK_RECALL, &lo->plh_flags); } int @@ -844,7 +833,7 @@ pnfs_choose_layoutget_stateid(nfs4_stateid *dst, struct pnfs_layout_hdr *lo, dprintk("--> %s\n", __func__); spin_lock(&lo->plh_inode->i_lock); - if (pnfs_layoutgets_blocked(lo, range)) { + if (pnfs_layoutgets_blocked(lo)) { status = -EAGAIN; } else if (!nfs4_valid_open_stateid(open_state)) { status = -EBADF; @@ -1546,7 +1535,7 @@ lookup_again: goto out_put_layout_hdr; } - if (pnfs_layoutgets_blocked(lo, &arg)) + if (pnfs_layoutgets_blocked(lo)) goto out_unlock; atomic_inc(&lo->plh_outstanding); spin_unlock(&ino->i_lock); @@ -1618,12 +1607,7 @@ pnfs_layout_process(struct nfs4_layoutget *lgp) lseg->pls_range = res->range; spin_lock(&ino->i_lock); - if (test_bit(NFS_LAYOUT_BULK_RECALL, &lo->plh_flags)) { - dprintk("%s forget reply due to recall\n", __func__); - goto out_forget_reply; - } - - if (pnfs_layoutgets_blocked(lo, &lgp->args.range)) { + if (pnfs_layoutgets_blocked(lo)) { dprintk("%s forget reply due to state\n", __func__); goto out_forget_reply; } |