void ll_lock_cancel_bits(struct ldlm_lock *lock, __u64 to_cancel)
{
struct inode *inode = ll_inode_from_resource_lock(lock);
+ struct ll_inode_info *lli;
__u64 bits = to_cancel;
int rc;
- if (inode == NULL)
- return;
+ ENTRY;
+
+ if (!inode) {
+ /* That means the inode is evicted most likely and may cause
+ * the skipping of lock cleanups below, so print the message
+ * about that in log.
+ */
+ if (lock->l_resource->lr_lvb_inode)
+ LDLM_DEBUG(lock,
+ "can't take inode for the lock (%sevicted)\n",
+ lock->l_resource->lr_lvb_inode->i_state &
+ I_FREEING ? "" : "not ");
+ RETURN_EXIT;
+ }
if (!fid_res_name_eq(ll_inode2fid(inode),
&lock->l_resource->lr_name)) {
}
if (bits & MDS_INODELOCK_XATTR) {
- if (S_ISDIR(inode->i_mode))
- ll_i2info(inode)->lli_def_stripe_offset = -1;
ll_xattr_cache_destroy(inode);
bits &= ~MDS_INODELOCK_XATTR;
}
PFID(ll_inode2fid(inode)), rc);
}
- if (bits & MDS_INODELOCK_UPDATE) {
- struct ll_inode_info *lli = ll_i2info(inode);
+ lli = ll_i2info(inode);
+ if (bits & MDS_INODELOCK_UPDATE)
lli->lli_update_atime = 1;
- }
if ((bits & MDS_INODELOCK_UPDATE) && S_ISDIR(inode->i_mode)) {
- struct ll_inode_info *lli = ll_i2info(inode);
-
CDEBUG(D_INODE, "invalidating inode "DFID" lli = %p, "
"pfid = "DFID"\n", PFID(ll_inode2fid(inode)),
lli, PFID(&lli->lli_pfid));
ll_invalidate_aliases(inode);
iput(inode);
+ RETURN_EXIT;
}
/* Check if the given lock may be downgraded instead of canceling and
static int ll_lookup_it_finish(struct ptlrpc_request *request,
struct lookup_intent *it,
- struct inode *parent, struct dentry **de)
+ struct inode *parent, struct dentry **de,
+ void *secctx, __u32 secctxlen)
{
struct inode *inode = NULL;
__u64 bits = 0;
CDEBUG(D_DENTRY, "it %p it_disposition %x\n", it,
it->it_disposition);
if (!it_disposition(it, DISP_LOOKUP_NEG)) {
+ struct req_capsule *pill = &request->rq_pill;
+ struct mdt_body *body = req_capsule_server_get(pill,
+ &RMF_MDT_BODY);
+
rc = ll_prep_inode(&inode, request, (*de)->d_sb, it);
if (rc)
RETURN(rc);
* ll_glimpse_size or some equivalent themselves anyway.
* Also see bug 7198.
*/
+
+ /* If security context was returned by MDT, put it in
+ * inode now to save an extra getxattr from security hooks,
+ * and avoid deadlock.
+ */
+ if (body->mbo_valid & OBD_MD_SECCTX) {
+ secctx = req_capsule_server_get(pill, &RMF_FILE_SECCTX);
+ secctxlen = req_capsule_get_size(pill,
+ &RMF_FILE_SECCTX,
+ RCL_SERVER);
+
+ if (secctxlen)
+ CDEBUG(D_SEC, "server returned security context"
+ " for "DFID"\n",
+ PFID(ll_inode2fid(inode)));
+ }
+
+ if (secctx != NULL && secctxlen != 0) {
+ inode_lock(inode);
+ rc = security_inode_notifysecctx(inode, secctx,
+ secctxlen);
+ inode_unlock(inode);
+ if (rc)
+ CWARN("cannot set security context for "
+ DFID": rc = %d\n",
+ PFID(ll_inode2fid(inode)), rc);
+ }
}
/* Only hash *de if it is unhashed (new dentry).
if (bits & MDS_INODELOCK_LOOKUP)
d_lustre_revalidate(*de);
} else if (!it_disposition(it, DISP_OPEN_CREATE)) {
- /* If file created on server, don't depend on parent UPDATE
- * lock to unhide it. It is left hidden and next lookup can
- * find it in ll_splice_alias.
+ /*
+ * If file was created on the server, the dentry is revalidated
+ * in ll_create_it if the lock allows for it.
*/
/* Check that parent has UPDATE lock. */
struct lookup_intent parent_it = {
struct lu_fid fid = ll_i2info(parent)->lli_fid;
/* If it is striped directory, get the real stripe parent */
- if (unlikely(ll_i2info(parent)->lli_lsm_md != NULL)) {
+ if (unlikely(ll_dir_striped(parent))) {
rc = md_get_fid_from_lsm(ll_i2mdexp(parent),
ll_i2info(parent)->lli_lsm_md,
(*de)->d_name.name,
return rc;
}
+struct pcc_create_attach {
+ struct pcc_dataset *pca_dataset;
+ struct dentry *pca_dentry;
+};
+
static struct dentry *ll_lookup_it(struct inode *parent, struct dentry *dentry,
struct lookup_intent *it,
- void **secctx, __u32 *secctxlen)
+ void **secctx, __u32 *secctxlen,
+ struct pcc_create_attach *pca)
{
struct lookup_intent lookup_it = { .it_op = IT_LOOKUP };
struct dentry *save = dentry, *retval;
struct ptlrpc_request *req = NULL;
struct md_op_data *op_data = NULL;
- __u32 opc;
- int rc;
- ENTRY;
+ struct lov_user_md *lum = NULL;
+ __u32 opc;
+ int rc;
+ char secctx_name[XATTR_NAME_MAX + 1];
+
+ ENTRY;
if (dentry->d_name.len > ll_i2sbi(parent)->ll_namelen)
RETURN(ERR_PTR(-ENAMETOOLONG));
}
if (it->it_op & IT_OPEN && it->it_flags & FMODE_WRITE &&
- dentry->d_sb->s_flags & MS_RDONLY)
+ dentry->d_sb->s_flags & SB_RDONLY)
RETURN(ERR_PTR(-EROFS));
if (it->it_op & IT_CREAT)
*secctx = op_data->op_file_secctx;
if (secctxlen != NULL)
*secctxlen = op_data->op_file_secctx_size;
+ } else {
+ if (secctx != NULL)
+ *secctx = NULL;
+ if (secctxlen != NULL)
+ *secctxlen = 0;
+ }
+
+ /* ask for security context upon intent */
+ if (it->it_op & (IT_LOOKUP | IT_GETATTR | IT_OPEN)) {
+ /* get name of security xattr to request to server */
+ rc = ll_listsecurity(parent, secctx_name,
+ sizeof(secctx_name));
+ if (rc < 0) {
+ CDEBUG(D_SEC, "cannot get security xattr name for "
+ DFID": rc = %d\n",
+ PFID(ll_inode2fid(parent)), rc);
+ } else if (rc > 0) {
+ op_data->op_file_secctx_name = secctx_name;
+ op_data->op_file_secctx_name_size = rc;
+ CDEBUG(D_SEC, "'%.*s' is security xattr for "DFID"\n",
+ rc, secctx_name, PFID(ll_inode2fid(parent)));
+ }
+ }
+
+ if (pca && pca->pca_dataset) {
+ struct pcc_dataset *dataset = pca->pca_dataset;
+
+ OBD_ALLOC_PTR(lum);
+ if (lum == NULL)
+ GOTO(out, retval = ERR_PTR(-ENOMEM));
+
+ lum->lmm_magic = LOV_USER_MAGIC_V1;
+ lum->lmm_pattern = LOV_PATTERN_F_RELEASED | LOV_PATTERN_RAID0;
+ op_data->op_data = lum;
+ op_data->op_data_size = sizeof(*lum);
+ op_data->op_archive_id = dataset->pccd_rwid;
+
+ rc = obd_fid_alloc(NULL, ll_i2mdexp(parent), &op_data->op_fid2,
+ op_data);
+ if (rc)
+ GOTO(out, retval = ERR_PTR(rc));
+
+ rc = pcc_inode_create(parent->i_sb, dataset, &op_data->op_fid2,
+ &pca->pca_dentry);
+ if (rc)
+ GOTO(out, retval = ERR_PTR(rc));
+
+ it->it_flags |= MDS_OPEN_PCC;
}
rc = md_intent_lock(ll_i2mdexp(parent), op_data, it, &req,
/* dir layout may change */
ll_unlock_md_op_lsm(op_data);
- rc = ll_lookup_it_finish(req, it, parent, &dentry);
+ rc = ll_lookup_it_finish(req, it, parent, &dentry,
+ secctx != NULL ? *secctx : NULL,
+ secctxlen != NULL ? *secctxlen : 0);
if (rc != 0) {
ll_intent_release(it);
GOTO(out, retval = ERR_PTR(rc));
ll_finish_md_op_data(op_data);
}
+ if (lum != NULL)
+ OBD_FREE_PTR(lum);
+
ptlrpc_req_finished(req);
return retval;
}
itp = NULL;
else
itp = ⁢
- de = ll_lookup_it(parent, dentry, itp, NULL, NULL);
+ de = ll_lookup_it(parent, dentry, itp, NULL, NULL, NULL);
if (itp != NULL)
ll_intent_release(itp);
return de;
}
+#ifdef FMODE_CREATED /* added in Linux v4.18-rc1-20-g73a09dd */
+# define ll_is_opened(o, f) ((f)->f_mode & FMODE_OPENED)
+# define ll_finish_open(f, d, o) finish_open((f), (d), NULL)
+# define ll_last_arg
+# define ll_set_created(o, f) \
+do { \
+ (f)->f_mode |= FMODE_CREATED; \
+} while (0)
+
+#else
+# define ll_is_opened(o, f) (*(o))
+# define ll_finish_open(f, d, o) finish_open((f), (d), NULL, (o))
+# define ll_last_arg , int *opened
+# define ll_set_created(o, f) \
+do { \
+ *(o) |= FILE_CREATED; \
+} while (0)
+
+#endif
+
/*
* For cached negative dentry and new dentry, handle lookup/create/open
* together.
*/
static int ll_atomic_open(struct inode *dir, struct dentry *dentry,
struct file *file, unsigned open_flags,
- umode_t mode, int *opened)
+ umode_t mode ll_last_arg)
{
struct lookup_intent *it;
struct dentry *de;
long long lookup_flags = LOOKUP_OPEN;
void *secctx = NULL;
__u32 secctxlen = 0;
+ struct ll_sb_info *sbi;
+ struct pcc_create_attach pca = {NULL, NULL};
+ struct pcc_dataset *dataset = NULL;
int rc = 0;
ENTRY;
CDEBUG(D_VFSTRACE, "VFS Op:name=%.*s, dir="DFID"(%p), file %p,"
"open_flags %x, mode %x opened %d\n",
dentry->d_name.len, dentry->d_name.name,
- PFID(ll_inode2fid(dir)), dir, file, open_flags, mode, *opened);
+ PFID(ll_inode2fid(dir)), dir, file, open_flags, mode,
+ ll_is_opened(opened, file));
/* Only negative dentries enter here */
LASSERT(dentry->d_inode == NULL);
if (open_flags & O_CREAT) {
it->it_op |= IT_CREAT;
lookup_flags |= LOOKUP_CREATE;
+ sbi = ll_i2sbi(dir);
+ /* Volatile file is used for HSM restore, so do not use PCC */
+ if (!filename_is_volatile(dentry->d_name.name,
+ dentry->d_name.len, NULL)) {
+ struct pcc_matcher item;
+
+ item.pm_uid = from_kuid(&init_user_ns, current_uid());
+ item.pm_gid = from_kgid(&init_user_ns, current_gid());
+ item.pm_projid = ll_i2info(dir)->lli_projid;
+ item.pm_name = &dentry->d_name;
+ dataset = pcc_dataset_match_get(&sbi->ll_pcc_super,
+ &item);
+ pca.pca_dataset = dataset;
+ }
}
it->it_create_mode = (mode & S_IALLUGO) | S_IFREG;
it->it_flags = (open_flags & ~O_ACCMODE) | OPEN_FMODE(open_flags);
it->it_flags &= ~MDS_OPEN_FL_INTERNAL;
/* Dentry added to dcache tree in ll_lookup_it */
- de = ll_lookup_it(dir, dentry, it, &secctx, &secctxlen);
+ de = ll_lookup_it(dir, dentry, it, &secctx, &secctxlen, &pca);
if (IS_ERR(de))
rc = PTR_ERR(de);
else if (de != NULL)
dput(de);
goto out_release;
}
-
- *opened |= FILE_CREATED;
+ if (dataset != NULL && dentry->d_inode) {
+ rc = pcc_inode_create_fini(dataset,
+ dentry->d_inode,
+ pca.pca_dentry);
+ if (rc) {
+ if (de != NULL)
+ dput(de);
+ GOTO(out_release, rc);
+ }
+ }
+ ll_set_created(opened, file);
}
+
if (dentry->d_inode && it_disposition(it, DISP_OPEN_OPEN)) {
/* Open dentry. */
if (S_ISFIFO(dentry->d_inode->i_mode)) {
rc = finish_no_open(file, de);
} else {
file->private_data = it;
- rc = finish_open(file, dentry, NULL, opened);
+ rc = ll_finish_open(file, dentry, opened);
/* We dget in ll_splice_alias. finish_open takes
* care of dget for fd open.
*/
}
out_release:
+ if (dataset != NULL)
+ pcc_dataset_put(dataset);
ll_intent_release(it);
OBD_FREE(it, sizeof(*it));
it = ll_convert_intent(&nd->intent.open, nd->flags,
(nd->path.mnt->mnt_flags & MNT_READONLY) ||
- (nd->path.mnt->mnt_sb->s_flags & MS_RDONLY));
+ (nd->path.mnt->mnt_sb->s_flags & SB_RDONLY));
if (IS_ERR(it))
RETURN((struct dentry *)it);
}
- de = ll_lookup_it(parent, dentry, it, NULL, NULL);
+ de = ll_lookup_it(parent, dentry, it, NULL, NULL, NULL);
if (de)
dentry = de;
if ((nd->flags & LOOKUP_OPEN) && !IS_ERR(dentry)) { /* Open */
OBD_FREE(it, sizeof(*it));
}
} else {
- de = ll_lookup_it(parent, dentry, NULL, NULL, NULL);
+ de = ll_lookup_it(parent, dentry, NULL, NULL, NULL, NULL);
}
RETURN(de);
void *secctx, __u32 secctxlen)
{
struct inode *inode;
+ __u64 bits = 0;
int rc = 0;
ENTRY;
RETURN(rc);
}
+ ll_set_lock_data(ll_i2sbi(dir)->ll_md_exp, inode, it, &bits);
+ if (bits & MDS_INODELOCK_LOOKUP)
+ d_lustre_revalidate(dentry);
+
RETURN(0);
}
from_kuid(&init_user_ns, current_fsuid()),
from_kgid(&init_user_ns, current_fsgid()),
cfs_curproc_cap_pack(), rdev, &request);
- if (err < 0 && err != -EREMOTE)
- GOTO(err_exit, err);
-
- /* If the client doesn't know where to create a subdirectory (or
- * in case of a race that sends the RPC to the wrong MDS), the
- * MDS will return -EREMOTE and the client will fetch the layout
- * of the directory, then create the directory on the right MDT. */
+#if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(2, 14, 58, 0)
+ /*
+ * server < 2.12.58 doesn't pack default LMV in intent_getattr reply,
+ * fetch default LMV here.
+ */
if (unlikely(err == -EREMOTE)) {
struct ll_inode_info *lli = ll_i2info(dir);
struct lmv_user_md *lum;
err2 = ll_dir_getstripe(dir, (void **)&lum, &lumsize, &request,
OBD_MD_DEFAULT_MEA);
+ ll_finish_md_op_data(op_data);
+ op_data = NULL;
if (err2 == 0) {
- /* Update stripe_offset and retry */
- lli->lli_def_stripe_offset = lum->lum_stripe_offset;
- } else if (err2 == -ENODATA &&
- lli->lli_def_stripe_offset != -1) {
- /* If there are no default stripe EA on the MDT, but the
+ struct lustre_md md = { NULL };
+
+ md.body = req_capsule_server_get(&request->rq_pill,
+ &RMF_MDT_BODY);
+ if (!md.body)
+ GOTO(err_exit, err = -EPROTO);
+
+ OBD_ALLOC_PTR(md.default_lmv);
+ if (!md.default_lmv)
+ GOTO(err_exit, err = -ENOMEM);
+
+ md.default_lmv->lsm_md_magic = lum->lum_magic;
+ md.default_lmv->lsm_md_stripe_count =
+ lum->lum_stripe_count;
+ md.default_lmv->lsm_md_master_mdt_index =
+ lum->lum_stripe_offset;
+ md.default_lmv->lsm_md_hash_type = lum->lum_hash_type;
+
+ err = ll_update_inode(dir, &md);
+ md_free_lustre_md(sbi->ll_md_exp, &md);
+ if (err)
+ GOTO(err_exit, err);
+ } else if (err2 == -ENODATA && lli->lli_default_lsm_md) {
+ /*
+ * If there are no default stripe EA on the MDT, but the
* client has default stripe, then it probably means
- * default stripe EA has just been deleted. */
- lli->lli_def_stripe_offset = -1;
+ * default stripe EA has just been deleted.
+ */
+ down_write(&lli->lli_lsm_sem);
+ if (lli->lli_default_lsm_md)
+ OBD_FREE_PTR(lli->lli_default_lsm_md);
+ lli->lli_default_lsm_md = NULL;
+ up_write(&lli->lli_lsm_sem);
} else {
GOTO(err_exit, err);
}
ptlrpc_req_finished(request);
request = NULL;
- ll_finish_md_op_data(op_data);
goto again;
}
+#endif
+
+ if (err < 0)
+ GOTO(err_exit, err);
ll_update_times(request, dir);
git://git.whamcloud.com / fs / lustre-release.git / blobdiff