*/
/*
* This file is part of Lustre, http://www.lustre.org/
- * Lustre is a trademark of Sun Microsystems, Inc.
*/
#include <linux/fs.h>
if (IS_ERR(env))
RETURN(PTR_ERR(env));
+ OBD_FAIL_TIMEOUT(OBD_FAIL_LDLM_REPLAY_PAUSE, cfs_fail_val);
+
/* reach MDC layer to flush data under the DoM ldlm lock */
rc = cl_object_flush(env, lli->lli_clob, lock);
if (rc == -ENODATA) {
lli = ll_i2info(inode);
if (bits & MDS_INODELOCK_UPDATE)
- ll_file_set_flag(lli, LLIF_UPDATE_ATIME);
+ set_bit(LLIF_UPDATE_ATIME, &lli->lli_flags);
if ((bits & MDS_INODELOCK_UPDATE) && S_ISDIR(inode->i_mode)) {
CDEBUG(D_INODE, "invalidating inode "DFID" lli = %p, "
}
if ((bits & (MDS_INODELOCK_LOOKUP | MDS_INODELOCK_PERM)) &&
- inode->i_sb->s_root != NULL &&
- inode != inode->i_sb->s_root->d_inode)
+ !is_root_inode(inode))
ll_prune_aliases(inode);
if (bits & (MDS_INODELOCK_LOOKUP | MDS_INODELOCK_PERM))
if (rc < 0)
return ERR_PTR(rc);
d_add(de, inode);
+
+ /* this needs only to be done for foreign symlink dirs as
+ * DCACHE_SYMLINK_TYPE is already set by d_flags_for_inode()
+ * kernel routine for files with symlink ops (ie, real symlink)
+ */
+ if (inode && S_ISDIR(inode->i_mode) &&
+ ll_sbi_has_foreign_symlink(ll_i2sbi(inode)) &&
+#ifdef HAVE_IOP_GET_LINK
+ inode->i_op->get_link) {
+#else
+ inode->i_op->follow_link) {
+#endif
+ CDEBUG(D_INFO, "%s: inode "DFID": faking foreign dir as a symlink\n",
+ ll_i2sbi(inode)->ll_fsname, PFID(ll_inode2fid(inode)));
+ spin_lock(&de->d_lock);
+ /* like d_flags_for_inode() already does for files */
+ de->d_flags = (de->d_flags & ~DCACHE_ENTRY_TYPE) |
+ DCACHE_SYMLINK_TYPE;
+ spin_unlock(&de->d_lock);
+ }
+
CDEBUG(D_DENTRY, "Add dentry %p inode %p refc %d flags %#x\n",
de, de->d_inode, ll_d_count(de), de->d_flags);
return de;
it->it_flags &= ~MDS_OPEN_FL_INTERNAL;
if (ll_sbi_has_encrypt(ll_i2sbi(dir)) && IS_ENCRYPTED(dir)) {
- /* we know that we are going to create a regular file because
+ /* in case of create, this is going to be a regular file because
* we set S_IFREG bit on it->it_create_mode above
*/
rc = llcrypt_get_encryption_info(dir);
if (rc)
GOTO(out_release, rc);
- if (!llcrypt_has_encryption_key(dir))
- GOTO(out_release, rc = -ENOKEY);
- encrypt = true;
- rc = 0;
+ if (open_flags & O_CREAT) {
+ if (!llcrypt_has_encryption_key(dir))
+ GOTO(out_release, rc = -ENOKEY);
+ encrypt = true;
+ }
}
OBD_FAIL_TIMEOUT(OBD_FAIL_LLITE_CREATE_FILE_PAUSE2, cfs_fail_val);
+ /* We can only arrive at this path when we have no inode, so
+ * we only need to request open lock if it was requested
+ * for every open
+ */
+ if (ll_i2sbi(dir)->ll_oc_thrsh_count == 1)
+ it->it_flags |= MDS_OPEN_LOCK;
+
/* Dentry added to dcache tree in ll_lookup_it */
de = ll_lookup_it(dir, dentry, it, &secctx, &secctxlen, &pca, encrypt,
&encctx, &encctxlen);
}
}
- if (dentry->d_inode && it_disposition(it, DISP_OPEN_OPEN)) {
+ /* check also if a foreign file is openable */
+ if (dentry->d_inode && it_disposition(it, DISP_OPEN_OPEN) &&
+ ll_foreign_is_openable(dentry, open_flags)) {
/* Open dentry. */
if (S_ISFIFO(dentry->d_inode->i_mode)) {
/* We cannot call open here as it might
md.default_lmv->lsm_md_master_mdt_index =
lum->lum_stripe_offset;
md.default_lmv->lsm_md_hash_type = lum->lum_hash_type;
+ md.default_lmv->lsm_md_max_inherit =
+ lum->lum_max_inherit;
+ md.default_lmv->lsm_md_max_inherit_rr =
+ lum->lum_max_inherit_rr;
err = ll_update_inode(dir, &md);
md_free_lustre_md(sbi->ll_md_exp, &md);
if (unlikely(d_mountpoint(dchild)))
RETURN(-EBUSY);
+ /* some foreign dir may not be allowed to be removed */
+ if (!ll_foreign_is_removable(dchild, false))
+ RETURN(-EPERM);
+
op_data = ll_prep_md_op_data(NULL, dir, NULL, name->name, name->len,
S_IFDIR, LUSTRE_OPC_ANY, NULL);
if (IS_ERR(op_data))
op_data->op_fid2 = op_data->op_fid3;
rc = md_unlink(ll_i2sbi(dir)->ll_md_exp, op_data, &request);
ll_finish_md_op_data(op_data);
- if (!rc)
- ll_update_times(request, dir);
+ if (!rc) {
+ struct mdt_body *body;
- ptlrpc_req_finished(request);
- if (!rc)
+ ll_update_times(request, dir);
ll_stats_ops_tally(ll_i2sbi(dir), LPROC_LL_RMDIR,
ktime_us_delta(ktime_get(), kstart));
+
+ /*
+ * The server puts attributes in on the last unlink, use them
+ * to update the link count so the inode can be freed
+ * immediately.
+ */
+ body = req_capsule_server_get(&request->rq_pill, &RMF_MDT_BODY);
+ if (body->mbo_valid & OBD_MD_FLNLINK)
+ set_nlink(dchild->d_inode, body->mbo_nlink);
+ }
+
+ ptlrpc_req_finished(request);
+
RETURN(rc);
}
if (unlikely(d_mountpoint(dchild)))
RETURN(-EBUSY);
+ /* some foreign file/dir may not be allowed to be unlinked */
+ if (!ll_foreign_is_removable(dchild, false))
+ RETURN(-EPERM);
+
op_data = ll_prep_md_op_data(NULL, dir, NULL, name->name, name->len, 0,
LUSTRE_OPC_ANY, NULL);
if (IS_ERR(op_data))
struct ll_sb_info *sbi = ll_i2sbi(src);
struct md_op_data *op_data;
ktime_t kstart = ktime_get();
+ umode_t mode = 0;
int err;
ENTRY;
if (err)
RETURN(err);
- op_data = ll_prep_md_op_data(NULL, src, tgt, NULL, 0, 0,
+ if (src_dchild->d_inode)
+ mode = src_dchild->d_inode->i_mode;
+
+ if (tgt_dchild->d_inode)
+ mode = tgt_dchild->d_inode->i_mode;
+
+ op_data = ll_prep_md_op_data(NULL, src, tgt, NULL, 0, mode,
LUSTRE_OPC_ANY, NULL);
if (IS_ERR(op_data))
RETURN(PTR_ERR(op_data));
- if (src_dchild->d_inode != NULL)
+ if (src_dchild->d_inode)
op_data->op_fid3 = *ll_inode2fid(src_dchild->d_inode);
- if (tgt_dchild->d_inode != NULL)
+ if (tgt_dchild->d_inode)
op_data->op_fid4 = *ll_inode2fid(tgt_dchild->d_inode);
err = md_rename(sbi->ll_md_exp, op_data,