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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-30 03:35:38 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-30 03:35:38 +0000
commit4f8f1553146401921349e8e78962dff48cde846a (patch)
treebf5ef5abdf1ca1370eb3947d70a2c176b6b69edd /fs/smb/server/oplock.c
parentAdding upstream version 6.8.9. (diff)
downloadlinux-4f8f1553146401921349e8e78962dff48cde846a.tar.xz
linux-4f8f1553146401921349e8e78962dff48cde846a.zip
Adding upstream version 6.8.11.upstream/6.8.11
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'fs/smb/server/oplock.c')
-rw-r--r--fs/smb/server/oplock.c35
1 files changed, 24 insertions, 11 deletions
diff --git a/fs/smb/server/oplock.c b/fs/smb/server/oplock.c
index 53dfaac425..dc729ab980 100644
--- a/fs/smb/server/oplock.c
+++ b/fs/smb/server/oplock.c
@@ -612,13 +612,23 @@ static int oplock_break_pending(struct oplock_info *opinfo, int req_op_level)
if (opinfo->op_state == OPLOCK_CLOSING)
return -ENOENT;
- else if (!opinfo->is_lease && opinfo->level <= req_op_level)
- return 1;
+ else if (opinfo->level <= req_op_level) {
+ if (opinfo->is_lease &&
+ opinfo->o_lease->state !=
+ (SMB2_LEASE_HANDLE_CACHING_LE |
+ SMB2_LEASE_READ_CACHING_LE))
+ return 1;
+ }
}
- if (!opinfo->is_lease && opinfo->level <= req_op_level) {
- wake_up_oplock_break(opinfo);
- return 1;
+ if (opinfo->level <= req_op_level) {
+ if (opinfo->is_lease &&
+ opinfo->o_lease->state !=
+ (SMB2_LEASE_HANDLE_CACHING_LE |
+ SMB2_LEASE_READ_CACHING_LE)) {
+ wake_up_oplock_break(opinfo);
+ return 1;
+ }
}
return 0;
}
@@ -886,7 +896,6 @@ static int oplock_break(struct oplock_info *brk_opinfo, int req_op_level)
struct lease *lease = brk_opinfo->o_lease;
atomic_inc(&brk_opinfo->breaking_cnt);
-
err = oplock_break_pending(brk_opinfo, req_op_level);
if (err)
return err < 0 ? err : 0;
@@ -1199,7 +1208,9 @@ int smb_grant_oplock(struct ksmbd_work *work, int req_op_level, u64 pid,
/* Only v2 leases handle the directory */
if (S_ISDIR(file_inode(fp->filp)->i_mode)) {
- if (!lctx || lctx->version != 2)
+ if (!lctx || lctx->version != 2 ||
+ (lctx->flags != SMB2_LEASE_FLAG_PARENT_LEASE_KEY_SET_LE &&
+ !lctx->epoch))
return 0;
}
@@ -1461,8 +1472,9 @@ void create_lease_buf(u8 *rbuf, struct lease *lease)
buf->lcontext.LeaseFlags = lease->flags;
buf->lcontext.Epoch = cpu_to_le16(lease->epoch);
buf->lcontext.LeaseState = lease->state;
- memcpy(buf->lcontext.ParentLeaseKey, lease->parent_lease_key,
- SMB2_LEASE_KEY_SIZE);
+ if (lease->flags == SMB2_LEASE_FLAG_PARENT_LEASE_KEY_SET_LE)
+ memcpy(buf->lcontext.ParentLeaseKey, lease->parent_lease_key,
+ SMB2_LEASE_KEY_SIZE);
buf->ccontext.DataOffset = cpu_to_le16(offsetof
(struct create_lease_v2, lcontext));
buf->ccontext.DataLength = cpu_to_le32(sizeof(struct lease_context_v2));
@@ -1527,8 +1539,9 @@ struct lease_ctx_info *parse_lease_state(void *open_req, bool is_dir)
lreq->flags = lc->lcontext.LeaseFlags;
lreq->epoch = lc->lcontext.Epoch;
lreq->duration = lc->lcontext.LeaseDuration;
- memcpy(lreq->parent_lease_key, lc->lcontext.ParentLeaseKey,
- SMB2_LEASE_KEY_SIZE);
+ if (lreq->flags == SMB2_LEASE_FLAG_PARENT_LEASE_KEY_SET_LE)
+ memcpy(lreq->parent_lease_key, lc->lcontext.ParentLeaseKey,
+ SMB2_LEASE_KEY_SIZE);
lreq->version = 2;
} else {
struct create_lease *lc = (struct create_lease *)cc;