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-rw-r--r--fs/nfs/delegation.c12
-rw-r--r--fs/nfs/internal.h38
-rw-r--r--fs/nfs/nfs4proc.c28
-rw-r--r--fs/nfs/nfs4super.c4
-rw-r--r--fs/nfs/pnfs.c136
-rw-r--r--fs/nfs/pnfs.h8
-rw-r--r--fs/nfs/pnfs_nfs.c22
7 files changed, 142 insertions, 106 deletions
diff --git a/fs/nfs/delegation.c b/fs/nfs/delegation.c
index 816e1427f17e..04bf8066980c 100644
--- a/fs/nfs/delegation.c
+++ b/fs/nfs/delegation.c
@@ -1011,22 +1011,24 @@ nfs_delegation_find_inode_server(struct nfs_server *server,
const struct nfs_fh *fhandle)
{
struct nfs_delegation *delegation;
- struct inode *freeme, *res = NULL;
+ struct super_block *freeme = NULL;
+ struct inode *res = NULL;
list_for_each_entry_rcu(delegation, &server->delegations, super_list) {
spin_lock(&delegation->lock);
if (delegation->inode != NULL &&
!test_bit(NFS_DELEGATION_REVOKED, &delegation->flags) &&
nfs_compare_fh(fhandle, &NFS_I(delegation->inode)->fh) == 0) {
- freeme = igrab(delegation->inode);
- if (freeme && nfs_sb_active(freeme->i_sb))
- res = freeme;
+ if (nfs_sb_active(server->super)) {
+ freeme = server->super;
+ res = igrab(delegation->inode);
+ }
spin_unlock(&delegation->lock);
if (res != NULL)
return res;
if (freeme) {
rcu_read_unlock();
- iput(freeme);
+ nfs_sb_deactive(freeme);
rcu_read_lock();
}
return ERR_PTR(-EAGAIN);
diff --git a/fs/nfs/internal.h b/fs/nfs/internal.h
index b840d0a91c9d..62d3189745cd 100644
--- a/fs/nfs/internal.h
+++ b/fs/nfs/internal.h
@@ -136,9 +136,29 @@ struct nfs_fs_context {
} clone_data;
};
-#define nfs_errorf(fc, fmt, ...) errorf(fc, fmt, ## __VA_ARGS__)
-#define nfs_invalf(fc, fmt, ...) invalf(fc, fmt, ## __VA_ARGS__)
-#define nfs_warnf(fc, fmt, ...) warnf(fc, fmt, ## __VA_ARGS__)
+#define nfs_errorf(fc, fmt, ...) ((fc)->log.log ? \
+ errorf(fc, fmt, ## __VA_ARGS__) : \
+ ({ dprintk(fmt "\n", ## __VA_ARGS__); }))
+
+#define nfs_ferrorf(fc, fac, fmt, ...) ((fc)->log.log ? \
+ errorf(fc, fmt, ## __VA_ARGS__) : \
+ ({ dfprintk(fac, fmt "\n", ## __VA_ARGS__); }))
+
+#define nfs_invalf(fc, fmt, ...) ((fc)->log.log ? \
+ invalf(fc, fmt, ## __VA_ARGS__) : \
+ ({ dprintk(fmt "\n", ## __VA_ARGS__); -EINVAL; }))
+
+#define nfs_finvalf(fc, fac, fmt, ...) ((fc)->log.log ? \
+ invalf(fc, fmt, ## __VA_ARGS__) : \
+ ({ dfprintk(fac, fmt "\n", ## __VA_ARGS__); -EINVAL; }))
+
+#define nfs_warnf(fc, fmt, ...) ((fc)->log.log ? \
+ warnf(fc, fmt, ## __VA_ARGS__) : \
+ ({ dprintk(fmt "\n", ## __VA_ARGS__); }))
+
+#define nfs_fwarnf(fc, fac, fmt, ...) ((fc)->log.log ? \
+ warnf(fc, fmt, ## __VA_ARGS__) : \
+ ({ dfprintk(fac, fmt "\n", ## __VA_ARGS__); }))
static inline struct nfs_fs_context *nfs_fc2context(const struct fs_context *fc)
{
@@ -579,12 +599,14 @@ extern void nfs4_test_session_trunk(struct rpc_clnt *clnt,
static inline struct inode *nfs_igrab_and_active(struct inode *inode)
{
- inode = igrab(inode);
- if (inode != NULL && !nfs_sb_active(inode->i_sb)) {
- iput(inode);
- inode = NULL;
+ struct super_block *sb = inode->i_sb;
+
+ if (sb && nfs_sb_active(sb)) {
+ if (igrab(inode))
+ return inode;
+ nfs_sb_deactive(sb);
}
- return inode;
+ return NULL;
}
static inline void nfs_iput_and_deactive(struct inode *inode)
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index 0ce04e0e5d82..2f4679a62712 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -3536,10 +3536,8 @@ static void nfs4_close_done(struct rpc_task *task, void *data)
trace_nfs4_close(state, &calldata->arg, &calldata->res, task->tk_status);
/* Handle Layoutreturn errors */
- if (pnfs_roc_done(task, calldata->inode,
- &calldata->arg.lr_args,
- &calldata->res.lr_res,
- &calldata->res.lr_ret) == -EAGAIN)
+ if (pnfs_roc_done(task, &calldata->arg.lr_args, &calldata->res.lr_res,
+ &calldata->res.lr_ret) == -EAGAIN)
goto out_restart;
/* hmm. we are done with the inode, and in the process of freeing
@@ -6384,10 +6382,8 @@ static void nfs4_delegreturn_done(struct rpc_task *task, void *calldata)
trace_nfs4_delegreturn_exit(&data->args, &data->res, task->tk_status);
/* Handle Layoutreturn errors */
- if (pnfs_roc_done(task, data->inode,
- &data->args.lr_args,
- &data->res.lr_res,
- &data->res.lr_ret) == -EAGAIN)
+ if (pnfs_roc_done(task, &data->args.lr_args, &data->res.lr_res,
+ &data->res.lr_ret) == -EAGAIN)
goto out_restart;
switch (task->tk_status) {
@@ -6441,10 +6437,10 @@ static void nfs4_delegreturn_release(void *calldata)
struct nfs4_delegreturndata *data = calldata;
struct inode *inode = data->inode;
+ if (data->lr.roc)
+ pnfs_roc_release(&data->lr.arg, &data->lr.res,
+ data->res.lr_ret);
if (inode) {
- if (data->lr.roc)
- pnfs_roc_release(&data->lr.arg, &data->lr.res,
- data->res.lr_ret);
nfs_post_op_update_inode_force_wcc(inode, &data->fattr);
nfs_iput_and_deactive(inode);
}
@@ -6520,16 +6516,14 @@ static int _nfs4_proc_delegreturn(struct inode *inode, const struct cred *cred,
nfs_fattr_init(data->res.fattr);
data->timestamp = jiffies;
data->rpc_status = 0;
- data->lr.roc = pnfs_roc(inode, &data->lr.arg, &data->lr.res, cred);
data->inode = nfs_igrab_and_active(inode);
- if (data->inode) {
+ if (data->inode || issync) {
+ data->lr.roc = pnfs_roc(inode, &data->lr.arg, &data->lr.res,
+ cred);
if (data->lr.roc) {
data->args.lr_args = &data->lr.arg;
data->res.lr_res = &data->lr.res;
}
- } else if (data->lr.roc) {
- pnfs_roc_release(&data->lr.arg, &data->lr.res, 0);
- data->lr.roc = false;
}
task_setup_data.callback_data = data;
@@ -7111,9 +7105,9 @@ static int _nfs4_do_setlk(struct nfs4_state *state, int cmd, struct file_lock *f
data->arg.new_lock_owner, ret);
} else
data->cancelled = true;
+ trace_nfs4_set_lock(fl, state, &data->res.stateid, cmd, ret);
rpc_put_task(task);
dprintk("%s: done, ret = %d!\n", __func__, ret);
- trace_nfs4_set_lock(fl, state, &data->res.stateid, cmd, ret);
return ret;
}
diff --git a/fs/nfs/nfs4super.c b/fs/nfs/nfs4super.c
index 984cc42ee54d..d09bcfd7db89 100644
--- a/fs/nfs/nfs4super.c
+++ b/fs/nfs/nfs4super.c
@@ -227,7 +227,7 @@ int nfs4_try_get_tree(struct fs_context *fc)
fc, ctx->nfs_server.hostname,
ctx->nfs_server.export_path);
if (err) {
- nfs_errorf(fc, "NFS4: Couldn't follow remote path");
+ nfs_ferrorf(fc, MOUNT, "NFS4: Couldn't follow remote path");
dfprintk(MOUNT, "<-- nfs4_try_get_tree() = %d [error]\n", err);
} else {
dfprintk(MOUNT, "<-- nfs4_try_get_tree() = 0\n");
@@ -250,7 +250,7 @@ int nfs4_get_referral_tree(struct fs_context *fc)
fc, ctx->nfs_server.hostname,
ctx->nfs_server.export_path);
if (err) {
- nfs_errorf(fc, "NFS4: Couldn't follow remote path");
+ nfs_ferrorf(fc, MOUNT, "NFS4: Couldn't follow remote path");
dfprintk(MOUNT, "<-- nfs4_get_referral_tree() = %d [error]\n", err);
} else {
dfprintk(MOUNT, "<-- nfs4_get_referral_tree() = 0\n");
diff --git a/fs/nfs/pnfs.c b/fs/nfs/pnfs.c
index 07f59dc8cb2e..af64b4e6fd1f 100644
--- a/fs/nfs/pnfs.c
+++ b/fs/nfs/pnfs.c
@@ -324,6 +324,21 @@ pnfs_grab_inode_layout_hdr(struct pnfs_layout_hdr *lo)
return NULL;
}
+/*
+ * Compare 2 layout stateid sequence ids, to see which is newer,
+ * taking into account wraparound issues.
+ */
+static bool pnfs_seqid_is_newer(u32 s1, u32 s2)
+{
+ return (s32)(s1 - s2) > 0;
+}
+
+static void pnfs_barrier_update(struct pnfs_layout_hdr *lo, u32 newseq)
+{
+ if (pnfs_seqid_is_newer(newseq, lo->plh_barrier))
+ lo->plh_barrier = newseq;
+}
+
static void
pnfs_set_plh_return_info(struct pnfs_layout_hdr *lo, enum pnfs_iomode iomode,
u32 seq)
@@ -335,6 +350,7 @@ pnfs_set_plh_return_info(struct pnfs_layout_hdr *lo, enum pnfs_iomode iomode,
if (seq != 0) {
WARN_ON_ONCE(lo->plh_return_seq != 0 && lo->plh_return_seq != seq);
lo->plh_return_seq = seq;
+ pnfs_barrier_update(lo, seq);
}
}
@@ -639,15 +655,6 @@ static int mark_lseg_invalid(struct pnfs_layout_segment *lseg,
return rv;
}
-/*
- * Compare 2 layout stateid sequence ids, to see which is newer,
- * taking into account wraparound issues.
- */
-static bool pnfs_seqid_is_newer(u32 s1, u32 s2)
-{
- return (s32)(s1 - s2) > 0;
-}
-
static bool
pnfs_should_free_range(const struct pnfs_layout_range *lseg_range,
const struct pnfs_layout_range *recall_range)
@@ -984,8 +991,7 @@ pnfs_set_layout_stateid(struct pnfs_layout_hdr *lo, const nfs4_stateid *new,
new_barrier = be32_to_cpu(new->seqid);
else if (new_barrier == 0)
return;
- if (pnfs_seqid_is_newer(new_barrier, lo->plh_barrier))
- lo->plh_barrier = new_barrier;
+ pnfs_barrier_update(lo, new_barrier);
}
static bool
@@ -994,7 +1000,7 @@ pnfs_layout_stateid_blocked(const struct pnfs_layout_hdr *lo,
{
u32 seqid = be32_to_cpu(stateid->seqid);
- return !pnfs_seqid_is_newer(seqid, lo->plh_barrier);
+ return !pnfs_seqid_is_newer(seqid, lo->plh_barrier) && lo->plh_barrier;
}
/* lget is set to 1 if called from inside send_layoutget call chain */
@@ -1152,7 +1158,7 @@ void pnfs_layoutreturn_free_lsegs(struct pnfs_layout_hdr *lo,
LIST_HEAD(freeme);
spin_lock(&inode->i_lock);
- if (!pnfs_layout_is_valid(lo) || !arg_stateid ||
+ if (!pnfs_layout_is_valid(lo) ||
!nfs4_stateid_match_other(&lo->plh_stateid, arg_stateid))
goto out_unlock;
if (stateid) {
@@ -1183,20 +1189,17 @@ pnfs_prepare_layoutreturn(struct pnfs_layout_hdr *lo,
return false;
set_bit(NFS_LAYOUT_RETURN, &lo->plh_flags);
pnfs_get_layout_hdr(lo);
+ nfs4_stateid_copy(stateid, &lo->plh_stateid);
+ *cred = get_cred(lo->plh_lc_cred);
if (test_bit(NFS_LAYOUT_RETURN_REQUESTED, &lo->plh_flags)) {
- nfs4_stateid_copy(stateid, &lo->plh_stateid);
- *cred = get_cred(lo->plh_lc_cred);
if (lo->plh_return_seq != 0)
stateid->seqid = cpu_to_be32(lo->plh_return_seq);
if (iomode != NULL)
*iomode = lo->plh_return_iomode;
pnfs_clear_layoutreturn_info(lo);
- return true;
- }
- nfs4_stateid_copy(stateid, &lo->plh_stateid);
- *cred = get_cred(lo->plh_lc_cred);
- if (iomode != NULL)
+ } else if (iomode != NULL)
*iomode = IOMODE_ANY;
+ pnfs_barrier_update(lo, be32_to_cpu(stateid->seqid));
return true;
}
@@ -1509,10 +1512,8 @@ out_noroc:
return false;
}
-int pnfs_roc_done(struct rpc_task *task, struct inode *inode,
- struct nfs4_layoutreturn_args **argpp,
- struct nfs4_layoutreturn_res **respp,
- int *ret)
+int pnfs_roc_done(struct rpc_task *task, struct nfs4_layoutreturn_args **argpp,
+ struct nfs4_layoutreturn_res **respp, int *ret)
{
struct nfs4_layoutreturn_args *arg = *argpp;
int retval = -EAGAIN;
@@ -1545,7 +1546,7 @@ int pnfs_roc_done(struct rpc_task *task, struct inode *inode,
return 0;
case -NFS4ERR_OLD_STATEID:
if (!nfs4_layout_refresh_old_stateid(&arg->stateid,
- &arg->range, inode))
+ &arg->range, arg->inode))
break;
*ret = -NFS4ERR_NOMATCHING_LAYOUT;
return -EAGAIN;
@@ -1560,23 +1561,28 @@ void pnfs_roc_release(struct nfs4_layoutreturn_args *args,
int ret)
{
struct pnfs_layout_hdr *lo = args->layout;
- const nfs4_stateid *arg_stateid = NULL;
+ struct inode *inode = args->inode;
const nfs4_stateid *res_stateid = NULL;
struct nfs4_xdr_opaque_data *ld_private = args->ld_private;
switch (ret) {
case -NFS4ERR_NOMATCHING_LAYOUT:
+ spin_lock(&inode->i_lock);
+ if (pnfs_layout_is_valid(lo) &&
+ nfs4_stateid_match_other(&args->stateid, &lo->plh_stateid))
+ pnfs_set_plh_return_info(lo, args->range.iomode, 0);
+ pnfs_clear_layoutreturn_waitbit(lo);
+ spin_unlock(&inode->i_lock);
break;
case 0:
if (res->lrs_present)
res_stateid = &res->stateid;
fallthrough;
default:
- arg_stateid = &args->stateid;
+ pnfs_layoutreturn_free_lsegs(lo, &args->stateid, &args->range,
+ res_stateid);
}
trace_nfs4_layoutreturn_on_close(args->inode, &args->stateid, ret);
- pnfs_layoutreturn_free_lsegs(lo, arg_stateid, &args->range,
- res_stateid);
if (ld_private && ld_private->ops && ld_private->ops->free)
ld_private->ops->free(ld_private);
pnfs_put_layout_hdr(lo);
@@ -1906,6 +1912,11 @@ static void nfs_layoutget_end(struct pnfs_layout_hdr *lo)
wake_up_var(&lo->plh_outstanding);
}
+static bool pnfs_is_first_layoutget(struct pnfs_layout_hdr *lo)
+{
+ return test_bit(NFS_LAYOUT_FIRST_LAYOUTGET, &lo->plh_flags);
+}
+
static void pnfs_clear_first_layoutget(struct pnfs_layout_hdr *lo)
{
unsigned long *bitlock = &lo->plh_flags;
@@ -2015,6 +2026,27 @@ lookup_again:
goto lookup_again;
}
+ /*
+ * Because we free lsegs when sending LAYOUTRETURN, we need to wait
+ * for LAYOUTRETURN.
+ */
+ if (test_bit(NFS_LAYOUT_RETURN, &lo->plh_flags)) {
+ spin_unlock(&ino->i_lock);
+ dprintk("%s wait for layoutreturn\n", __func__);
+ lseg = ERR_PTR(pnfs_prepare_to_retry_layoutget(lo));
+ if (!IS_ERR(lseg)) {
+ pnfs_put_layout_hdr(lo);
+ dprintk("%s retrying\n", __func__);
+ trace_pnfs_update_layout(ino, pos, count, iomode, lo,
+ lseg,
+ PNFS_UPDATE_LAYOUT_RETRY);
+ goto lookup_again;
+ }
+ trace_pnfs_update_layout(ino, pos, count, iomode, lo, lseg,
+ PNFS_UPDATE_LAYOUT_RETURN);
+ goto out_put_layout_hdr;
+ }
+
lseg = pnfs_find_lseg(lo, &arg, strict_iomode);
if (lseg) {
trace_pnfs_update_layout(ino, pos, count, iomode, lo, lseg,
@@ -2067,28 +2099,6 @@ lookup_again:
nfs4_stateid_copy(&stateid, &lo->plh_stateid);
}
- /*
- * Because we free lsegs before sending LAYOUTRETURN, we need to wait
- * for LAYOUTRETURN even if first is true.
- */
- if (test_bit(NFS_LAYOUT_RETURN, &lo->plh_flags)) {
- spin_unlock(&ino->i_lock);
- dprintk("%s wait for layoutreturn\n", __func__);
- lseg = ERR_PTR(pnfs_prepare_to_retry_layoutget(lo));
- if (!IS_ERR(lseg)) {
- if (first)
- pnfs_clear_first_layoutget(lo);
- pnfs_put_layout_hdr(lo);
- dprintk("%s retrying\n", __func__);
- trace_pnfs_update_layout(ino, pos, count, iomode, lo,
- lseg, PNFS_UPDATE_LAYOUT_RETRY);
- goto lookup_again;
- }
- trace_pnfs_update_layout(ino, pos, count, iomode, lo, lseg,
- PNFS_UPDATE_LAYOUT_RETURN);
- goto out_put_layout_hdr;
- }
-
if (pnfs_layoutgets_blocked(lo)) {
trace_pnfs_update_layout(ino, pos, count, iomode, lo, lseg,
PNFS_UPDATE_LAYOUT_BLOCKED);
@@ -2242,6 +2252,7 @@ static void _lgopen_prepare_attached(struct nfs4_opendata *data,
&rng, GFP_KERNEL);
if (!lgp) {
pnfs_clear_first_layoutget(lo);
+ nfs_layoutget_end(lo);
pnfs_put_layout_hdr(lo);
return;
}
@@ -2380,23 +2391,34 @@ pnfs_layout_process(struct nfs4_layoutget *lgp)
goto out_forget;
}
- if (!pnfs_layout_is_valid(lo)) {
- /* We have a completely new layout */
- pnfs_set_layout_stateid(lo, &res->stateid, lgp->cred, true);
- } else if (nfs4_stateid_match_other(&lo->plh_stateid, &res->stateid)) {
+ if (nfs4_stateid_match_other(&lo->plh_stateid, &res->stateid)) {
/* existing state ID, make sure the sequence number matches. */
if (pnfs_layout_stateid_blocked(lo, &res->stateid)) {
+ if (!pnfs_layout_is_valid(lo) &&
+ pnfs_is_first_layoutget(lo))
+ lo->plh_barrier = 0;
dprintk("%s forget reply due to sequence\n", __func__);
goto out_forget;
}
pnfs_set_layout_stateid(lo, &res->stateid, lgp->cred, false);
- } else {
+ } else if (pnfs_layout_is_valid(lo)) {
/*
* We got an entirely new state ID. Mark all segments for the
* inode invalid, and retry the layoutget
*/
- pnfs_mark_layout_stateid_invalid(lo, &free_me);
+ struct pnfs_layout_range range = {
+ .iomode = IOMODE_ANY,
+ .length = NFS4_MAX_UINT64,
+ };
+ pnfs_set_plh_return_info(lo, IOMODE_ANY, 0);
+ pnfs_mark_matching_lsegs_return(lo, &lo->plh_return_segs,
+ &range, 0);
goto out_forget;
+ } else {
+ /* We have a completely new layout */
+ if (!pnfs_is_first_layoutget(lo))
+ goto out_forget;
+ pnfs_set_layout_stateid(lo, &res->stateid, lgp->cred, true);
}
pnfs_get_lseg(lseg);
diff --git a/fs/nfs/pnfs.h b/fs/nfs/pnfs.h
index bbd3de1025f2..d810ae674f4e 100644
--- a/fs/nfs/pnfs.h
+++ b/fs/nfs/pnfs.h
@@ -297,10 +297,8 @@ bool pnfs_roc(struct inode *ino,
struct nfs4_layoutreturn_args *args,
struct nfs4_layoutreturn_res *res,
const struct cred *cred);
-int pnfs_roc_done(struct rpc_task *task, struct inode *inode,
- struct nfs4_layoutreturn_args **argpp,
- struct nfs4_layoutreturn_res **respp,
- int *ret);
+int pnfs_roc_done(struct rpc_task *task, struct nfs4_layoutreturn_args **argpp,
+ struct nfs4_layoutreturn_res **respp, int *ret);
void pnfs_roc_release(struct nfs4_layoutreturn_args *args,
struct nfs4_layoutreturn_res *res,
int ret);
@@ -772,7 +770,7 @@ pnfs_roc(struct inode *ino,
}
static inline int
-pnfs_roc_done(struct rpc_task *task, struct inode *inode,
+pnfs_roc_done(struct rpc_task *task,
struct nfs4_layoutreturn_args **argpp,
struct nfs4_layoutreturn_res **respp,
int *ret)
diff --git a/fs/nfs/pnfs_nfs.c b/fs/nfs/pnfs_nfs.c
index 2efcfdd348a1..49d3389bd813 100644
--- a/fs/nfs/pnfs_nfs.c
+++ b/fs/nfs/pnfs_nfs.c
@@ -78,22 +78,18 @@ void
pnfs_generic_clear_request_commit(struct nfs_page *req,
struct nfs_commit_info *cinfo)
{
- struct pnfs_layout_segment *freeme = NULL;
+ struct pnfs_commit_bucket *bucket = NULL;
if (!test_and_clear_bit(PG_COMMIT_TO_DS, &req->wb_flags))
goto out;
cinfo->ds->nwritten--;
- if (list_is_singular(&req->wb_list)) {
- struct pnfs_commit_bucket *bucket;
-
+ if (list_is_singular(&req->wb_list))
bucket = list_first_entry(&req->wb_list,
- struct pnfs_commit_bucket,
- written);
- freeme = pnfs_free_bucket_lseg(bucket);
- }
+ struct pnfs_commit_bucket, written);
out:
nfs_request_remove_commit_list(req, cinfo);
- pnfs_put_lseg(freeme);
+ if (bucket)
+ pnfs_put_lseg(pnfs_free_bucket_lseg(bucket));
}
EXPORT_SYMBOL_GPL(pnfs_generic_clear_request_commit);
@@ -407,12 +403,16 @@ pnfs_bucket_get_committing(struct list_head *head,
struct pnfs_commit_bucket *bucket,
struct nfs_commit_info *cinfo)
{
+ struct pnfs_layout_segment *lseg;
struct list_head *pos;
list_for_each(pos, &bucket->committing)
cinfo->ds->ncommitting--;
list_splice_init(&bucket->committing, head);
- return pnfs_free_bucket_lseg(bucket);
+ lseg = pnfs_free_bucket_lseg(bucket);
+ if (!lseg)
+ lseg = pnfs_get_lseg(bucket->lseg);
+ return lseg;
}
static struct nfs_commit_data *
@@ -424,8 +424,6 @@ pnfs_bucket_fetch_commitdata(struct pnfs_commit_bucket *bucket,
if (!data)
return NULL;
data->lseg = pnfs_bucket_get_committing(&data->pages, bucket, cinfo);
- if (!data->lseg)
- data->lseg = pnfs_get_lseg(bucket->lseg);
return data;
}