oinfo.oi_md = lsm;
oinfo.oi_oa = obdo;
- oinfo.oi_oa->o_id = lsm->lsm_object_id;
- oinfo.oi_oa->o_seq = lsm->lsm_object_seq;
+ oinfo.oi_oa->o_oi = lsm->lsm_oi;
oinfo.oi_oa->o_mode = S_IFREG;
oinfo.oi_oa->o_ioepoch = ioepoch;
oinfo.oi_oa->o_valid = OBD_MD_FLID | OBD_MD_FLTYPE |
capa, obdo, ioepoch, sync);
capa_put(capa);
if (rc == 0) {
+ struct ost_id *oi = lsm ? &lsm->lsm_oi : &obdo->o_oi;
+
obdo_refresh_inode(inode, obdo, obdo->o_valid);
- CDEBUG(D_INODE,
- "objid "LPX64" size %llu, blocks %llu, blksize %lu\n",
- lsm ? lsm->lsm_object_id : 0, i_size_read(inode),
+ CDEBUG(D_INODE, "objid "DOSTID" size %llu, blocks %llu,"
+ " blksize %lu\n", POSTID(oi), i_size_read(inode),
(unsigned long long)inode->i_blocks,
(unsigned long)ll_inode_blksize(inode));
}
RETURN(rc);
}
-int ll_merge_lvb(struct inode *inode)
+int ll_merge_lvb(const struct lu_env *env, struct inode *inode)
{
struct ll_inode_info *lli = ll_i2info(inode);
- struct ll_sb_info *sbi = ll_i2sbi(inode);
- struct lov_stripe_md *lsm;
+ struct cl_object *obj = lli->lli_clob;
+ struct cl_attr *attr = ccc_env_thread_attr(env);
struct ost_lvb lvb;
int rc = 0;
ENTRY;
- lsm = ccc_inode_lsm_get(inode);
ll_inode_size_lock(inode);
+ /* merge timestamps the most recently obtained from mds with
+ timestamps obtained from osts */
+ LTIME_S(inode->i_atime) = lli->lli_lvb.lvb_atime;
+ LTIME_S(inode->i_mtime) = lli->lli_lvb.lvb_mtime;
+ LTIME_S(inode->i_ctime) = lli->lli_lvb.lvb_ctime;
inode_init_lvb(inode, &lvb);
- /* merge timestamps the most resently obtained from mds with
- timestamps obtained from osts */
- lvb.lvb_atime = lli->lli_lvb.lvb_atime;
- lvb.lvb_mtime = lli->lli_lvb.lvb_mtime;
- lvb.lvb_ctime = lli->lli_lvb.lvb_ctime;
- if (lsm != NULL) {
- rc = obd_merge_lvb(sbi->ll_dt_exp, lsm, &lvb, 0);
- cl_isize_write_nolock(inode, lvb.lvb_size);
+ cl_object_attr_lock(obj);
+ rc = cl_object_attr_get(env, obj, attr);
+ cl_object_attr_unlock(obj);
+
+ if (rc == 0) {
+ if (lvb.lvb_atime < attr->cat_atime)
+ lvb.lvb_atime = attr->cat_atime;
+ if (lvb.lvb_ctime < attr->cat_ctime)
+ lvb.lvb_ctime = attr->cat_ctime;
+ if (lvb.lvb_mtime < attr->cat_mtime)
+ lvb.lvb_mtime = attr->cat_mtime;
CDEBUG(D_VFSTRACE, DFID" updating i_size "LPU64"\n",
- PFID(&lli->lli_fid), lvb.lvb_size);
- inode->i_blocks = lvb.lvb_blocks;
+ PFID(&lli->lli_fid), attr->cat_size);
+ cl_isize_write_nolock(inode, attr->cat_size);
+
+ inode->i_blocks = attr->cat_blocks;
+
+ LTIME_S(inode->i_mtime) = lvb.lvb_mtime;
+ LTIME_S(inode->i_atime) = lvb.lvb_atime;
+ LTIME_S(inode->i_ctime) = lvb.lvb_ctime;
}
- LTIME_S(inode->i_mtime) = lvb.lvb_mtime;
- LTIME_S(inode->i_atime) = lvb.lvb_atime;
- LTIME_S(inode->i_ctime) = lvb.lvb_ctime;
ll_inode_size_unlock(inode);
- ccc_inode_lsm_put(inode, lsm);
RETURN(rc);
}
io->u.ci_rw.crw_nonblock = file->f_flags & O_NONBLOCK;
if (write) {
io->u.ci_wr.wr_append = !!(file->f_flags & O_APPEND);
- io->u.ci_wr.wr_sync = file->f_flags & O_SYNC || IS_SYNC(inode);
+ io->u.ci_wr.wr_sync = file->f_flags & O_SYNC ||
+ file->f_flags & O_DIRECT ||
+ IS_SYNC(inode);
}
io->ci_obj = ll_i2info(inode)->lli_clob;
io->ci_lockreq = CILR_MAYBE;
ssize_t result;
ENTRY;
+restart:
io = ccc_env_thread_io(env);
ll_io_init(io, file, iot == CIT_WRITE);
GOTO(out, result);
out:
cl_io_fini(env, io);
+ /* If any bit been read/written (result != 0), we just return
+ * short read/write instead of restart io. */
+ if (result == 0 && io->ci_need_restart) {
+ CDEBUG(D_VFSTRACE, "Restart %s on %s from %lld, count:%zd\n",
+ iot == CIT_READ ? "read" : "write",
+ file->f_dentry->d_name.name, *ppos, count);
+ LASSERTF(io->u.ci_rw.crw_count == count, "%zd != %zd\n",
+ io->u.ci_rw.crw_count, count);
+ goto restart;
+ }
if (iot == CIT_READ) {
if (result >= 0)
ll_stats_ops_tally(ll_i2sbi(file->f_dentry->d_inode),
LPROC_LL_WRITE_BYTES, result);
fd->fd_write_failed = false;
- } else {
+ } else if (result != -ERESTARTSYS) {
fd->fd_write_failed = true;
}
}
static int ll_lov_recreate_obj(struct inode *inode, unsigned long arg)
{
- struct ll_recreate_obj ucreat;
- ENTRY;
+ struct ll_recreate_obj ucreat;
+ ENTRY;
- if (!cfs_capable(CFS_CAP_SYS_ADMIN))
- RETURN(-EPERM);
+ if (!cfs_capable(CFS_CAP_SYS_ADMIN))
+ RETURN(-EPERM);
- if (cfs_copy_from_user(&ucreat, (struct ll_recreate_obj *)arg,
- sizeof(struct ll_recreate_obj)))
- RETURN(-EFAULT);
+ if (copy_from_user(&ucreat, (struct ll_recreate_obj *)arg,
+ sizeof(ucreat)))
+ RETURN(-EFAULT);
- RETURN(ll_lov_recreate(inode, ucreat.lrc_id, 0,
- ucreat.lrc_ost_idx));
+ RETURN(ll_lov_recreate(inode, ucreat.lrc_id, 0,
+ ucreat.lrc_ost_idx));
}
static int ll_lov_recreate_fid(struct inode *inode, unsigned long arg)
{
- struct lu_fid fid;
- obd_id id;
- obd_count ost_idx;
+ struct lu_fid fid;
+ obd_id id;
+ obd_count ost_idx;
ENTRY;
- if (!cfs_capable(CFS_CAP_SYS_ADMIN))
- RETURN(-EPERM);
+ if (!cfs_capable(CFS_CAP_SYS_ADMIN))
+ RETURN(-EPERM);
- if (cfs_copy_from_user(&fid, (struct lu_fid *)arg,
- sizeof(struct lu_fid)))
- RETURN(-EFAULT);
+ if (copy_from_user(&fid, (struct lu_fid *)arg, sizeof(fid)))
+ RETURN(-EFAULT);
- id = fid_oid(&fid) | ((fid_seq(&fid) & 0xffff) << 32);
- ost_idx = (fid_seq(&fid) >> 16) & 0xffff;
- RETURN(ll_lov_recreate(inode, id, 0, ost_idx));
+ id = fid_oid(&fid) | ((fid_seq(&fid) & 0xffff) << 32);
+ ost_idx = (fid_seq(&fid) >> 16) & 0xffff;
+ RETURN(ll_lov_recreate(inode, id, 0, ost_idx));
}
int ll_lov_setstripe_ea_info(struct inode *inode, struct file *file,
static int ll_lov_setea(struct inode *inode, struct file *file,
unsigned long arg)
{
- int flags = MDS_OPEN_HAS_OBJS | FMODE_WRITE;
- struct lov_user_md *lump;
- int lum_size = sizeof(struct lov_user_md) +
- sizeof(struct lov_user_ost_data);
- int rc;
- ENTRY;
+ int flags = MDS_OPEN_HAS_OBJS | FMODE_WRITE;
+ struct lov_user_md *lump;
+ int lum_size = sizeof(struct lov_user_md) +
+ sizeof(struct lov_user_ost_data);
+ int rc;
+ ENTRY;
- if (!cfs_capable(CFS_CAP_SYS_ADMIN))
- RETURN(-EPERM);
+ if (!cfs_capable(CFS_CAP_SYS_ADMIN))
+ RETURN(-EPERM);
- OBD_ALLOC_LARGE(lump, lum_size);
- if (lump == NULL) {
+ OBD_ALLOC_LARGE(lump, lum_size);
+ if (lump == NULL)
RETURN(-ENOMEM);
- }
- if (cfs_copy_from_user(lump, (struct lov_user_md *)arg, lum_size)) {
- OBD_FREE_LARGE(lump, lum_size);
- RETURN(-EFAULT);
- }
- rc = ll_lov_setstripe_ea_info(inode, file, flags, lump, lum_size);
+ if (copy_from_user(lump, (struct lov_user_md *)arg, lum_size)) {
+ OBD_FREE_LARGE(lump, lum_size);
+ RETURN(-EFAULT);
+ }
- OBD_FREE_LARGE(lump, lum_size);
- RETURN(rc);
+ rc = ll_lov_setstripe_ea_info(inode, file, flags, lump, lum_size);
+
+ OBD_FREE_LARGE(lump, lum_size);
+ RETURN(rc);
}
static int ll_lov_setstripe(struct inode *inode, struct file *file,
- unsigned long arg)
-{
- struct lov_user_md_v3 lumv3;
- struct lov_user_md_v1 *lumv1 = (struct lov_user_md_v1 *)&lumv3;
- struct lov_user_md_v1 *lumv1p = (struct lov_user_md_v1 *)arg;
- struct lov_user_md_v3 *lumv3p = (struct lov_user_md_v3 *)arg;
- int lum_size;
- int rc;
- int flags = FMODE_WRITE;
- ENTRY;
+ unsigned long arg)
+{
+ struct lov_user_md_v3 lumv3;
+ struct lov_user_md_v1 *lumv1 = (struct lov_user_md_v1 *)&lumv3;
+ struct lov_user_md_v1 *lumv1p = (struct lov_user_md_v1 *)arg;
+ struct lov_user_md_v3 *lumv3p = (struct lov_user_md_v3 *)arg;
+ int lum_size, rc;
+ int flags = FMODE_WRITE;
+ ENTRY;
- /* first try with v1 which is smaller than v3 */
- lum_size = sizeof(struct lov_user_md_v1);
- if (cfs_copy_from_user(lumv1, lumv1p, lum_size))
- RETURN(-EFAULT);
+ /* first try with v1 which is smaller than v3 */
+ lum_size = sizeof(struct lov_user_md_v1);
+ if (copy_from_user(lumv1, lumv1p, lum_size))
+ RETURN(-EFAULT);
- if (lumv1->lmm_magic == LOV_USER_MAGIC_V3) {
- lum_size = sizeof(struct lov_user_md_v3);
- if (cfs_copy_from_user(&lumv3, lumv3p, lum_size))
- RETURN(-EFAULT);
- }
+ if (lumv1->lmm_magic == LOV_USER_MAGIC_V3) {
+ lum_size = sizeof(struct lov_user_md_v3);
+ if (copy_from_user(&lumv3, lumv3p, lum_size))
+ RETURN(-EFAULT);
+ }
- rc = ll_lov_setstripe_ea_info(inode, file, flags, lumv1, lum_size);
- if (rc == 0) {
+ rc = ll_lov_setstripe_ea_info(inode, file, flags, lumv1, lum_size);
+ if (rc == 0) {
struct lov_stripe_md *lsm;
__u32 gen;
!(fiemap->fm_flags & FIEMAP_FLAG_DEVICE_ORDER))
GOTO(out, rc = -EOPNOTSUPP);
- fm_key.oa.o_id = lsm->lsm_object_id;
- fm_key.oa.o_seq = lsm->lsm_object_seq;
+ fm_key.oa.o_oi = lsm->lsm_oi;
fm_key.oa.o_valid = OBD_MD_FLID | OBD_MD_FLGROUP;
obdo_from_inode(&fm_key.oa, inode, OBD_MD_FLSIZE);
int ll_fid2path(struct inode *inode, void *arg)
{
- struct obd_export *exp = ll_i2mdexp(inode);
- struct getinfo_fid2path *gfout, *gfin;
- int outsize, rc;
- ENTRY;
+ struct obd_export *exp = ll_i2mdexp(inode);
+ struct getinfo_fid2path *gfout, *gfin;
+ int outsize, rc;
+ ENTRY;
if (!cfs_capable(CFS_CAP_DAC_READ_SEARCH) &&
!(ll_i2sbi(inode)->ll_flags & LL_SBI_USER_FID2PATH))
RETURN(-EPERM);
- /* Need to get the buflen */
- OBD_ALLOC_PTR(gfin);
- if (gfin == NULL)
- RETURN(-ENOMEM);
- if (cfs_copy_from_user(gfin, arg, sizeof(*gfin))) {
- OBD_FREE_PTR(gfin);
- RETURN(-EFAULT);
- }
+ /* Need to get the buflen */
+ OBD_ALLOC_PTR(gfin);
+ if (gfin == NULL)
+ RETURN(-ENOMEM);
+ if (copy_from_user(gfin, arg, sizeof(*gfin))) {
+ OBD_FREE_PTR(gfin);
+ RETURN(-EFAULT);
+ }
- outsize = sizeof(*gfout) + gfin->gf_pathlen;
- OBD_ALLOC(gfout, outsize);
- if (gfout == NULL) {
- OBD_FREE_PTR(gfin);
- RETURN(-ENOMEM);
- }
- memcpy(gfout, gfin, sizeof(*gfout));
- OBD_FREE_PTR(gfin);
+ outsize = sizeof(*gfout) + gfin->gf_pathlen;
+ OBD_ALLOC(gfout, outsize);
+ if (gfout == NULL) {
+ OBD_FREE_PTR(gfin);
+ RETURN(-ENOMEM);
+ }
+ memcpy(gfout, gfin, sizeof(*gfout));
+ OBD_FREE_PTR(gfin);
- /* Call mdc_iocontrol */
- rc = obd_iocontrol(OBD_IOC_FID2PATH, exp, outsize, gfout, NULL);
- if (rc)
- GOTO(gf_free, rc);
- if (cfs_copy_to_user(arg, gfout, outsize))
- rc = -EFAULT;
+ /* Call mdc_iocontrol */
+ rc = obd_iocontrol(OBD_IOC_FID2PATH, exp, outsize, gfout, NULL);
+ if (rc)
+ GOTO(gf_free, rc);
+
+ if (copy_to_user(arg, gfout, outsize))
+ rc = -EFAULT;
gf_free:
- OBD_FREE(gfout, outsize);
- RETURN(rc);
+ OBD_FREE(gfout, outsize);
+ RETURN(rc);
}
static int ll_ioctl_fiemap(struct inode *inode, unsigned long arg)
if (fiemap_s == NULL)
RETURN(-ENOMEM);
- /* get the fiemap value */
- if (copy_from_user(fiemap_s,(struct ll_user_fiemap __user *)arg,
- sizeof(*fiemap_s)))
- GOTO(error, rc = -EFAULT);
+ /* get the fiemap value */
+ if (copy_from_user(fiemap_s, (struct ll_user_fiemap __user *)arg,
+ sizeof(*fiemap_s)))
+ GOTO(error, rc = -EFAULT);
/* If fm_extent_count is non-zero, read the first extent since
* it is used to calculate end_offset and device from previous
ret_bytes += (fiemap_s->fm_mapped_extents *
sizeof(struct ll_fiemap_extent));
- if (copy_to_user((void *)arg, fiemap_s, ret_bytes))
- rc = -EFAULT;
+ if (copy_to_user((void *)arg, fiemap_s, ret_bytes))
+ rc = -EFAULT;
error:
OBD_FREE_LARGE(fiemap_s, num_bytes);
RETURN(rc);
}
-long ll_file_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
+struct ll_swap_stack {
+ struct iattr ia1, ia2;
+ __u64 dv1, dv2;
+ struct inode *inode1, *inode2;
+ bool check_dv1, check_dv2;
+};
+
+static int ll_swap_layouts(struct file *file1, struct file *file2,
+ struct lustre_swap_layouts *lsl)
{
- struct inode *inode = file->f_dentry->d_inode;
- struct ll_file_data *fd = LUSTRE_FPRIVATE(file);
- int flags;
+ struct mdc_swap_layouts msl;
+ struct md_op_data *op_data;
+ __u32 gid;
+ __u64 dv;
+ struct ll_swap_stack *llss = NULL;
+ int rc, rc1;
- ENTRY;
+ OBD_ALLOC_PTR(llss);
+ if (llss == NULL)
+ RETURN(-ENOMEM);
+
+ llss->inode1 = file1->f_dentry->d_inode;
+ llss->inode2 = file2->f_dentry->d_inode;
+
+ if (!S_ISREG(llss->inode2->i_mode))
+ GOTO(free, rc = -EINVAL);
+
+ if (ll_permission(llss->inode1, MAY_WRITE, NULL) ||
+ ll_permission(llss->inode2, MAY_WRITE, NULL))
+ GOTO(free, rc = -EPERM);
+
+ if (llss->inode2->i_sb != llss->inode1->i_sb)
+ GOTO(free, rc = -EXDEV);
+
+ /* we use 2 bool because it is easier to swap than 2 bits */
+ if (lsl->sl_flags & SWAP_LAYOUTS_CHECK_DV1)
+ llss->check_dv1 = true;
+
+ if (lsl->sl_flags & SWAP_LAYOUTS_CHECK_DV2)
+ llss->check_dv2 = true;
+
+ /* we cannot use lsl->sl_dvX directly because we may swap them */
+ llss->dv1 = lsl->sl_dv1;
+ llss->dv2 = lsl->sl_dv2;
+
+ rc = lu_fid_cmp(ll_inode2fid(llss->inode1), ll_inode2fid(llss->inode2));
+ if (rc == 0) /* same file, done! */
+ GOTO(free, rc = 0);
+
+ if (rc < 0) { /* sequentialize it */
+ swap(llss->inode1, llss->inode2);
+ swap(file1, file2);
+ swap(llss->dv1, llss->dv2);
+ swap(llss->check_dv1, llss->check_dv2);
+ }
+
+ gid = lsl->sl_gid;
+ if (gid != 0) { /* application asks to flush dirty cache */
+ rc = ll_get_grouplock(llss->inode1, file1, gid);
+ if (rc < 0)
+ GOTO(free, rc);
+
+ rc = ll_get_grouplock(llss->inode2, file2, gid);
+ if (rc < 0) {
+ ll_put_grouplock(llss->inode1, file1, gid);
+ GOTO(free, rc);
+ }
+ }
+
+ /* to be able to restore mtime and atime after swap
+ * we need to first save them */
+ if (lsl->sl_flags &
+ (SWAP_LAYOUTS_KEEP_MTIME | SWAP_LAYOUTS_KEEP_ATIME)) {
+ llss->ia1.ia_mtime = llss->inode1->i_mtime;
+ llss->ia1.ia_atime = llss->inode1->i_atime;
+ llss->ia1.ia_valid = ATTR_MTIME | ATTR_ATIME;
+ llss->ia2.ia_mtime = llss->inode2->i_mtime;
+ llss->ia2.ia_atime = llss->inode2->i_atime;
+ llss->ia2.ia_valid = ATTR_MTIME | ATTR_ATIME;
+ }
+
+ /* ultimate check, before swaping the layouts we check if
+ * dataversion has changed (if requested) */
+ if (llss->check_dv1) {
+ rc = ll_data_version(llss->inode1, &dv, 0);
+ if (rc)
+ GOTO(putgl, rc);
+ if (dv != llss->dv1)
+ GOTO(putgl, rc = -EAGAIN);
+ }
+
+ if (llss->check_dv2) {
+ rc = ll_data_version(llss->inode2, &dv, 0);
+ if (rc)
+ GOTO(putgl, rc);
+ if (dv != llss->dv2)
+ GOTO(putgl, rc = -EAGAIN);
+ }
+
+ /* struct md_op_data is used to send the swap args to the mdt
+ * only flags is missing, so we use struct mdc_swap_layouts
+ * through the md_op_data->op_data */
+ /* flags from user space have to be converted before they are send to
+ * server, no flag is sent today, they are only used on the client */
+ msl.msl_flags = 0;
+ rc = -ENOMEM;
+ op_data = ll_prep_md_op_data(NULL, llss->inode1, llss->inode2, NULL, 0,
+ 0, LUSTRE_OPC_ANY, &msl);
+ if (op_data != NULL) {
+ rc = obd_iocontrol(LL_IOC_LOV_SWAP_LAYOUTS,
+ ll_i2mdexp(llss->inode1),
+ sizeof(*op_data), op_data, NULL);
+ ll_finish_md_op_data(op_data);
+ }
+
+putgl:
+ if (gid != 0) {
+ ll_put_grouplock(llss->inode2, file2, gid);
+ ll_put_grouplock(llss->inode1, file1, gid);
+ }
+
+ /* rc can be set from obd_iocontrol() or from a GOTO(putgl, ...) */
+ if (rc != 0)
+ GOTO(free, rc);
+
+ /* clear useless flags */
+ if (!(lsl->sl_flags & SWAP_LAYOUTS_KEEP_MTIME)) {
+ llss->ia1.ia_valid &= ~ATTR_MTIME;
+ llss->ia2.ia_valid &= ~ATTR_MTIME;
+ }
+
+ if (!(lsl->sl_flags & SWAP_LAYOUTS_KEEP_ATIME)) {
+ llss->ia1.ia_valid &= ~ATTR_ATIME;
+ llss->ia2.ia_valid &= ~ATTR_ATIME;
+ }
+
+ /* update time if requested */
+ rc = rc1 = 0;
+ if (llss->ia2.ia_valid != 0)
+ rc = ll_setattr(file1->f_dentry, &llss->ia2);
+
+ if (llss->ia1.ia_valid != 0)
+ rc1 = ll_setattr(file2->f_dentry, &llss->ia1);
+
+free:
+ if (llss != NULL)
+ OBD_FREE_PTR(llss);
+
+ RETURN(rc);
+}
+
+long ll_file_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
+{
+ struct inode *inode = file->f_dentry->d_inode;
+ struct ll_file_data *fd = LUSTRE_FPRIVATE(file);
+ int flags, rc;
+ ENTRY;
CDEBUG(D_VFSTRACE, "VFS Op:inode=%lu/%u(%p),cmd=%x\n", inode->i_ino,
inode->i_generation, inode, cmd);
RETURN(ll_lov_setstripe(inode, file, arg));
case LL_IOC_LOV_SETEA:
RETURN(ll_lov_setea(inode, file, arg));
+ case LL_IOC_LOV_SWAP_LAYOUTS: {
+ struct file *file2;
+ struct lustre_swap_layouts lsl;
+
+ if (cfs_copy_from_user(&lsl, (char *)arg,
+ sizeof(struct lustre_swap_layouts)))
+ RETURN(-EFAULT);
+
+ if ((file->f_flags & O_ACCMODE) == 0) /* O_RDONLY */
+ RETURN(-EPERM);
+
+ file2 = fget(lsl.sl_fd);
+ if (file2 == NULL)
+ RETURN(-EBADF);
+
+ rc = -EPERM;
+ if ((file2->f_flags & O_ACCMODE) != 0) /* O_WRONLY or O_RDWR */
+ rc = ll_swap_layouts(file, file2, &lsl);
+ fput(file2);
+ RETURN(rc);
+ }
case LL_IOC_LOV_GETSTRIPE:
RETURN(ll_lov_getstripe(inode, arg));
case LL_IOC_RECREATE_OBJ:
case FSFILT_IOC_SETVERSION_OLD:
case FSFILT_IOC_SETVERSION:
*/
- case LL_IOC_FLUSHCTX:
- RETURN(ll_flush_ctx(inode));
- case LL_IOC_PATH2FID: {
- if (cfs_copy_to_user((void *)arg, ll_inode2fid(inode),
- sizeof(struct lu_fid)))
- RETURN(-EFAULT);
+ case LL_IOC_FLUSHCTX:
+ RETURN(ll_flush_ctx(inode));
+ case LL_IOC_PATH2FID: {
+ if (copy_to_user((void *)arg, ll_inode2fid(inode),
+ sizeof(struct lu_fid)))
+ RETURN(-EFAULT);
- RETURN(0);
- }
- case OBD_IOC_FID2PATH:
+ RETURN(0);
+ }
+ case OBD_IOC_FID2PATH:
RETURN(ll_fid2path(inode, (void *)arg));
- case LL_IOC_DATA_VERSION: {
- struct ioc_data_version idv;
- int rc;
+ case LL_IOC_DATA_VERSION: {
+ struct ioc_data_version idv;
+ int rc;
- if (cfs_copy_from_user(&idv, (char *)arg, sizeof(idv)))
- RETURN(-EFAULT);
+ if (copy_from_user(&idv, (char *)arg, sizeof(idv)))
+ RETURN(-EFAULT);
- rc = ll_data_version(inode, &idv.idv_version,
- !(idv.idv_flags & LL_DV_NOFLUSH));
+ rc = ll_data_version(inode, &idv.idv_version,
+ !(idv.idv_flags & LL_DV_NOFLUSH));
- if (rc == 0 &&
- cfs_copy_to_user((char *) arg, &idv, sizeof(idv)))
- RETURN(-EFAULT);
+ if (rc == 0 && copy_to_user((char *) arg, &idv, sizeof(idv)))
+ RETURN(-EFAULT);
- RETURN(rc);
- }
+ RETURN(rc);
+ }
case LL_IOC_GET_MDTIDX: {
int mdtidx;
RETURN(0);
}
- case OBD_IOC_GETDTNAME:
- case OBD_IOC_GETMDNAME:
- RETURN(ll_get_obd_name(inode, cmd, arg));
- default: {
- int err;
-
- if (LLIOC_STOP ==
- ll_iocontrol_call(inode, file, cmd, arg, &err))
- RETURN(err);
-
- RETURN(obd_iocontrol(cmd, ll_i2dtexp(inode), 0, NULL,
- (void *)arg));
- }
- }
+ case OBD_IOC_GETDTNAME:
+ case OBD_IOC_GETMDNAME:
+ RETURN(ll_get_obd_name(inode, cmd, arg));
+ case LL_IOC_HSM_STATE_GET: {
+ struct md_op_data *op_data;
+ struct hsm_user_state *hus;
+ int rc;
+
+ OBD_ALLOC_PTR(hus);
+ if (hus == NULL)
+ RETURN(-ENOMEM);
+
+ op_data = ll_prep_md_op_data(NULL, inode, NULL, NULL, 0, 0,
+ LUSTRE_OPC_ANY, hus);
+ if (op_data == NULL) {
+ OBD_FREE_PTR(hus);
+ RETURN(-ENOMEM);
+ }
+
+ rc = obd_iocontrol(cmd, ll_i2mdexp(inode), sizeof(*op_data),
+ op_data, NULL);
+
+ if (copy_to_user((void *)arg, hus, sizeof(*hus)))
+ rc = -EFAULT;
+
+ ll_finish_md_op_data(op_data);
+ OBD_FREE_PTR(hus);
+ RETURN(rc);
+ }
+ case LL_IOC_HSM_STATE_SET: {
+ struct md_op_data *op_data;
+ struct hsm_state_set *hss;
+ int rc;
+
+ OBD_ALLOC_PTR(hss);
+ if (hss == NULL)
+ RETURN(-ENOMEM);
+ if (copy_from_user(hss, (char *)arg, sizeof(*hss))) {
+ OBD_FREE_PTR(hss);
+ RETURN(-EFAULT);
+ }
+
+ /* Non-root users are forbidden to set or clear flags which are
+ * NOT defined in HSM_USER_MASK. */
+ if (((hss->hss_setmask | hss->hss_clearmask) & ~HSM_USER_MASK)
+ && !cfs_capable(CFS_CAP_SYS_ADMIN)) {
+ OBD_FREE_PTR(hss);
+ RETURN(-EPERM);
+ }
+
+ op_data = ll_prep_md_op_data(NULL, inode, NULL, NULL, 0, 0,
+ LUSTRE_OPC_ANY, hss);
+ if (op_data == NULL) {
+ OBD_FREE_PTR(hss);
+ RETURN(-ENOMEM);
+ }
+
+ rc = obd_iocontrol(cmd, ll_i2mdexp(inode), sizeof(*op_data),
+ op_data, NULL);
+
+ ll_finish_md_op_data(op_data);
+
+ OBD_FREE_PTR(hss);
+ RETURN(rc);
+ }
+ case LL_IOC_HSM_ACTION: {
+ struct md_op_data *op_data;
+ struct hsm_current_action *hca;
+ int rc;
+
+ OBD_ALLOC_PTR(hca);
+ if (hca == NULL)
+ RETURN(-ENOMEM);
+
+ op_data = ll_prep_md_op_data(NULL, inode, NULL, NULL, 0, 0,
+ LUSTRE_OPC_ANY, hca);
+ if (op_data == NULL) {
+ OBD_FREE_PTR(hca);
+ RETURN(-ENOMEM);
+ }
+
+ rc = obd_iocontrol(cmd, ll_i2mdexp(inode), sizeof(*op_data),
+ op_data, NULL);
+
+ if (cfs_copy_to_user((char *)arg, hca, sizeof(*hca)))
+ rc = -EFAULT;
+
+ ll_finish_md_op_data(op_data);
+ OBD_FREE_PTR(hca);
+ RETURN(rc);
+ }
+ default: {
+ int err;
+
+ if (LLIOC_STOP ==
+ ll_iocontrol_call(inode, file, cmd, arg, &err))
+ RETURN(err);
+
+ RETURN(obd_iocontrol(cmd, ll_i2dtexp(inode), 0, NULL,
+ (void *)arg));
+ }
+ }
}
#ifndef HAVE_FILE_LLSEEK_SIZE
eof = i_size_read(inode);
}
- retval = generic_file_llseek_size(file, offset, origin,
+ retval = ll_generic_file_llseek_size(file, offset, origin,
ll_file_maxbytes(inode), eof);
RETURN(retval);
}
RETURN(result);
}
+/*
+ * When dentry is provided (the 'else' case), *file->f_dentry may be
+ * null and dentry must be used directly rather than pulled from
+ * *file->f_dentry as is done otherwise.
+ */
+
#ifdef HAVE_FILE_FSYNC_4ARGS
int ll_fsync(struct file *file, loff_t start, loff_t end, int data)
+{
+ struct dentry *dentry = file->f_dentry;
#elif defined(HAVE_FILE_FSYNC_2ARGS)
int ll_fsync(struct file *file, int data)
+{
+ struct dentry *dentry = file->f_dentry;
#else
int ll_fsync(struct file *file, struct dentry *dentry, int data)
-#endif
{
- struct inode *inode = file->f_dentry->d_inode;
+#endif
+ struct inode *inode = dentry->d_inode;
struct ll_inode_info *lli = ll_i2info(inode);
struct ptlrpc_request *req;
struct obd_capa *oc;
/* XXX: Enable OBD_CONNECT_ATTRFID to reduce unnecessary getattr RPC.
* But under CMD case, it caused some lock issues, should be fixed
* with new CMD ibits lock. See bug 12718 */
- if (exp->exp_connect_flags & OBD_CONNECT_ATTRFID) {
+ if (exp_connect_flags(exp) & OBD_CONNECT_ATTRFID) {
struct lookup_intent oit = { .it_op = IT_GETATTR };
struct md_op_data *op_data;
rc = obd_unpackmd(sbi->ll_dt_exp, &md.lsm,
lock->l_lvb_data, lock->l_lvb_len);
if (rc >= 0) {
+ *gen = LL_LAYOUT_GEN_EMPTY;
if (md.lsm != NULL)
*gen = md.lsm->lsm_layout_gen;
rc = 0;
.ei_mode = LCK_CR,
.ei_cb_bl = ll_md_blocking_ast,
.ei_cb_cp = ldlm_completion_ast,
- .ei_cbdata = inode };
+ .ei_cbdata = NULL };
int rc;
ENTRY;
- *gen = LL_LAYOUT_GEN_ZERO;
+ *gen = LL_LAYOUT_GEN_NONE;
if (!(sbi->ll_flags & LL_SBI_LAYOUT_LOCK))
RETURN(0);
ll_finish_md_op_data(op_data);
+ md_set_lock_data(sbi->ll_md_exp, &it.d.lustre.it_lock_handle, inode, NULL);
+
mode = it.d.lustre.it_lock_mode;
it.d.lustre.it_lock_mode = 0;
ll_intent_drop_lock(&it);