#include <linux/fs.h>
#include <linux/stat.h>
#include <linux/locks.h>
-#include <linux/ext2_fs.h>
#include <linux/quotaops.h>
#include <asm/unistd.h>
#include <asm/uaccess.h>
#include <linux/lustre_mds.h>
#include <linux/obd_class.h>
-extern struct ptlrpc_request *mds_prep_req(int size, int opcode, int namelen, char *name, int tgtlen, char *tgt);
+int mds_update_last_rcvd(struct mds_obd *mds, struct ptlrpc_request *req)
+{
+ return 0;
+}
-static int mds_reint_setattr(struct mds_update_record *rec, struct ptlrpc_request *req)
+static int mds_reint_setattr(struct mds_update_record *rec,
+ struct ptlrpc_request *req)
{
+ struct mds_obd *mds = &req->rq_obd->u.mds;
struct dentry *de;
- struct inode *inode;
+ void *handle;
+ int rc = 0;
- de = mds_fid2dentry(&req->rq_obd->u.mds, rec->ur_fid1, NULL);
+ de = mds_fid2dentry(mds, rec->ur_fid1, NULL);
if (IS_ERR(de) || OBD_FAIL_CHECK(OBD_FAIL_MDS_REINT_SETATTR)) {
- req->rq_rephdr->status = -ESTALE;
- RETURN(0);
+ GOTO(out_setattr, rc = -ESTALE);
}
- inode = de->d_inode;
- CDEBUG(D_INODE, "ino %ld\n", inode->i_ino);
-
- /* a _really_ horrible hack to avoid removing the data stored
- in the block pointers; this data is the object id
- this will go into an extended attribute at some point.
- */
- if ( rec->ur_iattr.ia_valid & ATTR_SIZE ) {
- /* ATTR_SIZE would invoke truncate: clear it */
- rec->ur_iattr.ia_valid &= ~ATTR_SIZE;
- inode->i_size = rec->ur_iattr.ia_size;
-
- /* an _even_more_ horrible hack to make this hack work with
- * ext3. This is because ext3 keeps a separate inode size
- * until the inode is committed to ensure consistency. This
- * will also go away with the move to EAs.
- */
- if (!strcmp(inode->i_sb->s_type->name, "ext3"))
- inode->u.ext3_i.i_disksize = inode->i_size;
-
- /* make sure _something_ gets set - so new inode
- goes to disk (probably won't work over XFS */
- if (!rec->ur_iattr.ia_valid & ATTR_MODE) {
- rec->ur_iattr.ia_valid |= ATTR_MODE;
- rec->ur_iattr.ia_mode = inode->i_mode;
- }
- }
- OBD_FAIL_WRITE(OBD_FAIL_MDS_REINT_SETATTR_WRITE);
- if ( inode->i_op->setattr ) {
- req->rq_rephdr->status =
- inode->i_op->setattr(de, &rec->ur_iattr);
- } else {
- req->rq_rephdr->status =
- inode_setattr(inode, &rec->ur_iattr);
- }
+ CDEBUG(D_INODE, "ino %ld\n", de->d_inode->i_ino);
- l_dput(de);
- RETURN(0);
-}
+ OBD_FAIL_WRITE(OBD_FAIL_MDS_REINT_SETATTR_WRITE,
+ de->d_inode->i_sb->s_dev);
-/*
- XXX nasty hack: store the object id in the first two
- direct block spots
-*/
-static inline void mds_store_objid(struct inode *inode, __u64 *id)
-{
- /* FIXME: it is only by luck that this works on ext3 */
- memcpy(&inode->u.ext2_i.i_data, id, sizeof(*id));
-}
+ handle = mds_fs_start(mds, de->d_inode, MDS_FSOP_SETATTR);
+ if (!handle)
+ GOTO(out_setattr_de, rc = PTR_ERR(handle));
+ rc = mds_fs_setattr(mds, de, handle, &rec->ur_iattr);
+ if (!rc)
+ rc = mds_update_last_rcvd(mds, req);
+
+ EXIT;
+
+ /* FIXME: keep rc intact */
+ rc = mds_fs_commit(mds, de->d_inode, handle);
+out_setattr_de:
+ l_dput(de);
+out_setattr:
+ req->rq_status = rc;
+ return(0);
+}
static int mds_reint_create(struct mds_update_record *rec,
struct ptlrpc_request *req)
{
- int type = rec->ur_mode & S_IFMT;
struct dentry *de = NULL;
- struct mds_rep *rep = req->rq_rep.mds;
+ struct mds_obd *mds = &req->rq_obd->u.mds;
struct dentry *dchild = NULL;
- int rc = 0;
+ struct inode *dir;
+ void *handle;
+ int rc = 0, type = rec->ur_mode & S_IFMT;
ENTRY;
- de = mds_fid2dentry(&req->rq_obd->u.mds, rec->ur_fid1, NULL);
+ de = mds_fid2dentry(mds, rec->ur_fid1, NULL);
if (IS_ERR(de) || OBD_FAIL_CHECK(OBD_FAIL_MDS_REINT_CREATE)) {
LBUG();
- GOTO(out_reint_create, (rc = -ESTALE));
+ GOTO(out_create_de, rc = -ESTALE);
}
- CDEBUG(D_INODE, "ino %ld\n", de->d_inode->i_ino);
+ dir = de->d_inode;
+ CDEBUG(D_INODE, "ino %ld\n", dir->i_ino);
+ down(&dir->i_sem);
dchild = lookup_one_len(rec->ur_name, de, rec->ur_namelen - 1);
if (IS_ERR(dchild)) {
CERROR("child lookup error %ld\n", PTR_ERR(dchild));
+ up(&dir->i_sem);
LBUG();
- GOTO(out_reint_create, (rc = -ESTALE));
+ GOTO(out_create_dchild, rc = -ESTALE);
}
if (dchild->d_inode) {
CERROR("child exists (dir %ld, name %s)\n",
- de->d_inode->i_ino, rec->ur_name);
+ dir->i_ino, rec->ur_name);
LBUG();
- GOTO(out_reint_create, (rc = -EEXIST));
+ GOTO(out_create_dchild, rc = -EEXIST);
}
- OBD_FAIL_WRITE(OBD_FAIL_MDS_REINT_CREATE_WRITE);
+ OBD_FAIL_WRITE(OBD_FAIL_MDS_REINT_CREATE_WRITE, dir->i_sb->s_dev);
switch (type) {
case S_IFREG: {
- rc = vfs_create(de->d_inode, dchild, rec->ur_mode);
+ handle = mds_fs_start(mds, dir, MDS_FSOP_CREATE);
+ if (!handle)
+ GOTO(out_create_dchild, PTR_ERR(handle));
+ rc = vfs_create(dir, dchild, rec->ur_mode);
EXIT;
break;
}
case S_IFDIR: {
- rc = vfs_mkdir(de->d_inode, dchild, rec->ur_mode);
+ handle = mds_fs_start(mds, dir, MDS_FSOP_MKDIR);
+ if (!handle)
+ GOTO(out_create_dchild, PTR_ERR(handle));
+ rc = vfs_mkdir(dir, dchild, rec->ur_mode);
EXIT;
break;
}
case S_IFLNK: {
- rc = vfs_symlink(de->d_inode, dchild, rec->ur_tgt);
+ handle = mds_fs_start(mds, dir, MDS_FSOP_SYMLINK);
+ if (!handle)
+ GOTO(out_create_dchild, PTR_ERR(handle));
+ rc = vfs_symlink(dir, dchild, rec->ur_tgt);
EXIT;
break;
}
case S_IFIFO:
case S_IFSOCK: {
int rdev = rec->ur_id;
- rc = vfs_mknod(de->d_inode, dchild, rec->ur_mode, rdev);
+ handle = mds_fs_start(mds, dir, MDS_FSOP_MKNOD);
+ if (!handle)
+ GOTO(out_create_dchild, PTR_ERR(handle));
+ rc = vfs_mknod(dir, dchild, rec->ur_mode, rdev);
EXIT;
break;
}
+ default:
+ CERROR("bad file type %d for create of %s\n",type,rec->ur_name);
+ GOTO(out_create_dchild, rc = -EINVAL);
}
- if (!rc) {
- if (type == S_IFREG)
- mds_store_objid(dchild->d_inode, &rec->ur_id);
- dchild->d_inode->i_atime = rec->ur_time;
- dchild->d_inode->i_ctime = rec->ur_time;
- dchild->d_inode->i_mtime = rec->ur_time;
- dchild->d_inode->i_uid = rec->ur_uid;
- dchild->d_inode->i_gid = rec->ur_gid;
- rep->ino = dchild->d_inode->i_ino;
- rep->generation = dchild->d_inode->i_generation;
- } else {
+ if (rc) {
CERROR("error during create: %d\n", rc);
LBUG();
+ GOTO(out_create_commit, rc);
+ } else {
+ struct iattr iattr;
+ struct inode *inode = dchild->d_inode;
+ struct mds_body *body;
+
+ if (type == S_IFREG) {
+ rc = mds_fs_set_objid(mds, inode, handle, rec->ur_id);
+ if (rc)
+ CERROR("error %d setting objid for %ld\n",
+ rc, inode->i_ino);
+ }
+
+ iattr.ia_atime = rec->ur_time;
+ iattr.ia_ctime = rec->ur_time;
+ iattr.ia_mtime = rec->ur_time;
+ iattr.ia_uid = rec->ur_uid;
+ iattr.ia_gid = rec->ur_gid;
+ iattr.ia_valid = ATTR_UID | ATTR_GID | ATTR_ATIME |
+ ATTR_MTIME | ATTR_CTIME;
+
+ rc = mds_fs_setattr(mds, dchild, handle, &iattr);
+ /* XXX should we abort here in case of error? */
+
+ body = lustre_msg_buf(req->rq_repmsg, 0);
+ body->ino = inode->i_ino;
+ body->generation = inode->i_generation;
}
-out_reint_create:
- req->rq_rephdr->status = rc;
- l_dput(de);
+ if (!rc)
+ rc = mds_update_last_rcvd(mds, req);
+
+out_create_commit:
+ /* FIXME: keep rc intact */
+ rc = mds_fs_commit(mds, dir, handle);
+out_create_dchild:
l_dput(dchild);
- RETURN(0);
+ up(&dir->i_sem);
+out_create_de:
+ l_dput(de);
+ req->rq_status = rc;
+ return 0;
}
static int mds_reint_unlink(struct mds_update_record *rec,
{
struct dentry *de = NULL;
struct dentry *dchild = NULL;
+ struct mds_obd *mds = &req->rq_obd->u.mds;
+ struct inode *dir, *inode;
+ void *handle;
int rc = 0;
ENTRY;
- de = mds_fid2dentry(&req->rq_obd->u.mds, rec->ur_fid1, NULL);
+ de = mds_fid2dentry(mds, rec->ur_fid1, NULL);
if (IS_ERR(de) || OBD_FAIL_CHECK(OBD_FAIL_MDS_REINT_UNLINK)) {
LBUG();
- GOTO(out_unlink, (rc = -ESTALE));
+ GOTO(out_unlink, rc = -ESTALE);
}
- CDEBUG(D_INODE, "ino %ld\n", de->d_inode->i_ino);
+ dir = de->d_inode;
+ CDEBUG(D_INODE, "ino %ld\n", dir->i_ino);
+ down(&dir->i_sem);
dchild = lookup_one_len(rec->ur_name, de, rec->ur_namelen - 1);
if (IS_ERR(dchild)) {
CERROR("child lookup error %ld\n", PTR_ERR(dchild));
LBUG();
- GOTO(out_unlink, (rc = -ESTALE));
+ GOTO(out_unlink_de, rc = -ESTALE);
}
- if (!dchild->d_inode) {
+ inode = dchild->d_inode;
+ if (!inode) {
CERROR("child doesn't exist (dir %ld, name %s\n",
- de->d_inode->i_ino, rec->ur_name);
+ dir->i_ino, rec->ur_name);
LBUG();
- GOTO(out_unlink, (rc = -ESTALE));
+ GOTO(out_unlink_dchild, rc = -ESTALE);
}
- if (dchild->d_inode->i_ino != rec->ur_fid2->id)
+ if (inode->i_ino != rec->ur_fid2->id) {
+ CERROR("inode and FID ID do not match (%ld != %Ld)\n",
+ inode->i_ino, rec->ur_fid2->id);
LBUG();
- if (dchild->d_inode->i_generation != rec->ur_fid2->generation)
+ GOTO(out_unlink_dchild, rc = -ESTALE);
+ }
+ if (inode->i_generation != rec->ur_fid2->generation) {
+ CERROR("inode and FID GENERATION do not match (%d != %d)\n",
+ inode->i_generation, rec->ur_fid2->generation);
LBUG();
+ GOTO(out_unlink_dchild, rc = -ESTALE);
+ }
- OBD_FAIL_WRITE(OBD_FAIL_MDS_REINT_UNLINK_WRITE);
+ OBD_FAIL_WRITE(OBD_FAIL_MDS_REINT_UNLINK_WRITE, dir->i_sb->s_dev);
switch (dchild->d_inode->i_mode & S_IFMT) {
case S_IFDIR:
- rc = vfs_rmdir(de->d_inode, dchild);
- EXIT;
+ handle = mds_fs_start(mds, dir, MDS_FSOP_RMDIR);
+ if (!handle)
+ GOTO(out_unlink_dchild, rc = PTR_ERR(handle));
+ rc = vfs_rmdir(dir, dchild);
break;
default:
- rc = vfs_unlink(de->d_inode, dchild);
- EXIT;
+ handle = mds_fs_start(mds, dir, MDS_FSOP_UNLINK);
+ if (!handle)
+ GOTO(out_unlink_dchild, rc = PTR_ERR(handle));
+ rc = vfs_unlink(dir, dchild);
break;
}
-out_unlink:
- req->rq_rephdr->status = rc;
- l_dput(de);
+ if (!rc)
+ rc = mds_update_last_rcvd(mds, req);
+ /* FIXME: keep rc intact */
+ rc = mds_fs_commit(mds, dir, handle);
+
+ EXIT;
+out_unlink_dchild:
l_dput(dchild);
- RETURN(0);
+out_unlink_de:
+ up(&dir->i_sem);
+ l_dput(de);
+out_unlink:
+ req->rq_status = rc;
+ return 0;
}
static int mds_reint_link(struct mds_update_record *rec,
struct dentry *de_src = NULL;
struct dentry *de_tgt_dir = NULL;
struct dentry *dchild = NULL;
+ struct mds_obd *mds = &req->rq_obd->u.mds;
+ void *handle;
int rc = 0;
ENTRY;
- de_src = mds_fid2dentry(&req->rq_obd->u.mds, rec->ur_fid1, NULL);
+ de_src = mds_fid2dentry(mds, rec->ur_fid1, NULL);
if (IS_ERR(de_src) || OBD_FAIL_CHECK(OBD_FAIL_MDS_REINT_LINK)) {
- GOTO(out_link, (rc = -ESTALE));
+ GOTO(out_link, rc = -ESTALE);
}
- de_tgt_dir = mds_fid2dentry(&req->rq_obd->u.mds, rec->ur_fid2, NULL);
+ de_tgt_dir = mds_fid2dentry(mds, rec->ur_fid2, NULL);
if (IS_ERR(de_tgt_dir)) {
- GOTO(out_link, (rc = -ESTALE));
+ GOTO(out_link_de_src, rc = -ESTALE);
}
+ down(&de_tgt_dir->d_inode->i_sem);
dchild = lookup_one_len(rec->ur_name, de_tgt_dir, rec->ur_namelen - 1);
if (IS_ERR(dchild)) {
CERROR("child lookup error %ld\n", PTR_ERR(dchild));
- GOTO(out_link, (rc = -ESTALE));
+ GOTO(out_link_de_tgt_dir, rc = -ESTALE);
}
if (dchild->d_inode) {
CERROR("child exists (dir %ld, name %s\n",
de_tgt_dir->d_inode->i_ino, rec->ur_name);
- GOTO(out_link, (rc = -EEXIST));
+ GOTO(out_link_dchild, rc = -EEXIST);
}
- OBD_FAIL_WRITE(OBD_FAIL_MDS_REINT_LINK_WRITE);
+ OBD_FAIL_WRITE(OBD_FAIL_MDS_REINT_LINK_WRITE,
+ dchild->d_inode->i_sb->s_dev);
+
+ handle = mds_fs_start(mds, de_tgt_dir->d_inode, MDS_FSOP_LINK);
+ if (!handle)
+ GOTO(out_link_dchild, rc = PTR_ERR(handle));
rc = vfs_link(de_src, de_tgt_dir->d_inode, dchild);
+
+ if (!rc)
+ rc = mds_update_last_rcvd(mds, req);
+
+ /* FIXME: keep rc intact */
+ rc = mds_fs_commit(mds, de_tgt_dir->d_inode, handle);
EXIT;
- out_link:
- req->rq_rephdr->status = rc;
- l_dput(de_src);
- l_dput(de_tgt_dir);
+out_link_dchild:
l_dput(dchild);
+out_link_de_tgt_dir:
+ up(&de_tgt_dir->d_inode->i_sem);
+ l_dput(de_tgt_dir);
+out_link_de_src:
+ l_dput(de_src);
+out_link:
+ req->rq_status = rc;
return 0;
}
-
static int mds_reint_rename(struct mds_update_record *rec,
struct ptlrpc_request *req)
{
struct dentry *de_tgtdir = NULL;
struct dentry *de_old = NULL;
struct dentry *de_new = NULL;
+ struct mds_obd *mds = &req->rq_obd->u.mds;
+ void *handle;
int rc = 0;
ENTRY;
- de_srcdir = mds_fid2dentry(&req->rq_obd->u.mds, rec->ur_fid1, NULL);
+ de_srcdir = mds_fid2dentry(mds, rec->ur_fid1, NULL);
if (IS_ERR(de_srcdir)) {
- GOTO(out_rename, (rc = -ESTALE));
+ GOTO(out_rename, rc = -ESTALE);
}
- de_tgtdir = mds_fid2dentry(&req->rq_obd->u.mds, rec->ur_fid2, NULL);
+ de_tgtdir = mds_fid2dentry(mds, rec->ur_fid2, NULL);
if (IS_ERR(de_tgtdir)) {
- GOTO(out_rename, (rc = -ESTALE));
+ GOTO(out_rename_srcdir, rc = -ESTALE);
}
de_old = lookup_one_len(rec->ur_name, de_srcdir, rec->ur_namelen - 1);
if (IS_ERR(de_old)) {
- CERROR("child lookup error %ld\n", PTR_ERR(de_old));
- GOTO(out_rename, (rc = -ESTALE));
+ CERROR("old child lookup error %ld\n", PTR_ERR(de_old));
+ GOTO(out_rename_tgtdir, rc = -ESTALE);
}
de_new = lookup_one_len(rec->ur_tgt, de_tgtdir, rec->ur_tgtlen - 1);
if (IS_ERR(de_new)) {
- CERROR("child lookup error %ld\n", PTR_ERR(de_new));
- GOTO(out_rename, (rc = -ESTALE));
+ CERROR("new child lookup error %ld\n", PTR_ERR(de_new));
+ GOTO(out_rename_deold, rc = -ESTALE);
}
- OBD_FAIL_WRITE(OBD_FAIL_MDS_REINT_RENAME_WRITE);
+ OBD_FAIL_WRITE(OBD_FAIL_MDS_REINT_RENAME_WRITE,
+ de_srcdir->d_inode->i_sb->s_dev);
+ handle = mds_fs_start(mds, de_tgtdir->d_inode, MDS_FSOP_RENAME);
+ if (!handle)
+ GOTO(out_rename_denew, rc = PTR_ERR(handle));
rc = vfs_rename(de_srcdir->d_inode, de_old, de_tgtdir->d_inode, de_new);
+
+ if (!rc)
+ rc = mds_update_last_rcvd(mds, req);
+
+ /* FIXME: keep rc intact */
+ rc = mds_fs_commit(mds, de_tgtdir->d_inode, handle);
EXIT;
- out_rename:
- req->rq_rephdr->status = rc;
+out_rename_denew:
l_dput(de_new);
+out_rename_deold:
l_dput(de_old);
+out_rename_tgtdir:
l_dput(de_tgtdir);
+out_rename_srcdir:
l_dput(de_srcdir);
+out_rename:
+ req->rq_status = rc;
return 0;
}
typedef int (*mds_reinter)(struct mds_update_record *, struct ptlrpc_request*);
-static mds_reinter reinters[REINT_MAX+1] = {
+static mds_reinter reinters[REINT_MAX+1] = {
[REINT_SETATTR] mds_reint_setattr,
[REINT_CREATE] mds_reint_create,
[REINT_UNLINK] mds_reint_unlink,
[REINT_LINK] mds_reint_link,
- [REINT_RENAME] mds_reint_rename
+ [REINT_RENAME] mds_reint_rename,
};
int mds_reint_rec(struct mds_update_record *rec, struct ptlrpc_request *req)
{
- int rc;
+ int rc, size = sizeof(struct mds_body);
- if (rec->ur_opcode < 0 || rec->ur_opcode > REINT_MAX) {
+ if (rec->ur_opcode < 1 || rec->ur_opcode > REINT_MAX) {
CERROR("opcode %d not valid\n", rec->ur_opcode);
rc = req->rq_status = -EINVAL;
RETURN(rc);
}
- rc = mds_pack_rep(NULL, 0, NULL, 0, &req->rq_rephdr, &req->rq_rep,
- &req->rq_replen, &req->rq_repbuf);
+ rc = lustre_pack_msg(1, &size, NULL, &req->rq_replen, &req->rq_repmsg);
if (rc) {
CERROR("mds: out of memory\n");
rc = req->rq_status = -ENOMEM;
RETURN(rc);
}
- req->rq_rephdr->xid = req->rq_reqhdr->xid;
rc = reinters[rec->ur_opcode](rec, req);
return rc;
git://git.whamcloud.com / fs / lustre-release.git / blobdiff