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;
+ struct lov_user_md *lum = NULL;
__u32 opc;
int rc;
char secctx_name[XATTR_NAME_MAX + 1];
}
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)
}
}
+ 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,
&ll_md_blocking_ast, 0);
/* If the MDS allows the client to chgrp (CFS_SETGRP_PERM), but the
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);
git://git.whamcloud.com / fs / lustre-release.git / blobdiff