/* returns the page unlocked, but with a reference */
static int ll_dir_filler(void *_hash, struct page *page0)
{
- struct inode *inode = page0->mapping->host;
- int hash64 = ll_i2sbi(inode)->ll_flags & LL_SBI_64BIT_HASH;
- struct obd_export *exp = ll_i2sbi(inode)->ll_md_exp;
- struct ptlrpc_request *request;
- struct mdt_body *body;
- struct md_op_data *op_data;
+ struct inode *inode = page0->mapping->host;
+ int hash64 = ll_i2sbi(inode)->ll_flags & LL_SBI_64BIT_HASH;
+ struct obd_export *exp = ll_i2sbi(inode)->ll_md_exp;
+ struct ptlrpc_request *request;
+ struct mdt_body *body;
+ struct md_op_data *op_data;
__u64 hash = *((__u64 *)_hash);
- struct page **page_pool;
- struct page *page;
- struct lu_dirpage *dp;
+ struct page **page_pool;
+ struct page *page;
+ struct lu_dirpage *dp;
int max_pages = ll_i2sbi(inode)->ll_md_brw_size >> PAGE_CACHE_SHIFT;
- int nrdpgs = 0; /* number of pages read actually */
- int npages;
- int i;
- int rc;
- ENTRY;
+ int nrdpgs = 0; /* number of pages read actually */
+ int npages;
+ int i;
+ int rc;
+ ENTRY;
- CDEBUG(D_VFSTRACE, "VFS Op:inode=%lu/%u(%p) hash "LPU64"\n",
- inode->i_ino, inode->i_generation, inode, hash);
+ CDEBUG(D_VFSTRACE, "VFS Op:inode="DFID"(%p) hash "LPU64"\n",
+ PFID(ll_inode2fid(inode)), inode, hash);
LASSERT(max_pages > 0 && max_pages <= MD_MAX_BRW_PAGES);
- OBD_ALLOC(page_pool, sizeof(page) * max_pages);
- if (page_pool != NULL) {
- page_pool[0] = page0;
- } else {
- page_pool = &page0;
- max_pages = 1;
- }
- for (npages = 1; npages < max_pages; npages++) {
- page = page_cache_alloc_cold(inode->i_mapping);
- if (!page)
- break;
- page_pool[npages] = page;
- }
+ op_data = ll_prep_md_op_data(NULL, inode, NULL, NULL, 0, 0,
+ LUSTRE_OPC_ANY, NULL);
+ if (IS_ERR(op_data))
+ RETURN(PTR_ERR(op_data));
+
+ OBD_ALLOC(page_pool, sizeof(page) * max_pages);
+ if (page_pool != NULL) {
+ page_pool[0] = page0;
+ } else {
+ page_pool = &page0;
+ max_pages = 1;
+ }
+ for (npages = 1; npages < max_pages; npages++) {
+ page = page_cache_alloc_cold(inode->i_mapping);
+ if (!page)
+ break;
+ page_pool[npages] = page;
+ }
- op_data = ll_prep_md_op_data(NULL, inode, NULL, NULL, 0, 0,
- LUSTRE_OPC_ANY, NULL);
- op_data->op_npages = npages;
- op_data->op_offset = hash;
- rc = md_readpage(exp, op_data, page_pool, &request);
- ll_finish_md_op_data(op_data);
- if (rc == 0) {
- body = req_capsule_server_get(&request->rq_pill, &RMF_MDT_BODY);
- /* Checked by mdc_readpage() */
- LASSERT(body != NULL);
+ op_data->op_npages = npages;
+ op_data->op_offset = hash;
+ rc = md_readpage(exp, op_data, page_pool, &request);
+ ll_finish_md_op_data(op_data);
+ if (rc == 0) {
+ body = req_capsule_server_get(&request->rq_pill, &RMF_MDT_BODY);
+ /* Checked by mdc_readpage() */
+ LASSERT(body != NULL);
- if (body->valid & OBD_MD_FLSIZE)
- cl_isize_write(inode, body->size);
+ if (body->valid & OBD_MD_FLSIZE)
+ cl_isize_write(inode, body->size);
nrdpgs = (request->rq_bulk->bd_nob_transferred +
PAGE_CACHE_SIZE - 1) >> PAGE_CACHE_SHIFT;
- SetPageUptodate(page0);
- }
- unlock_page(page0);
- ptlrpc_req_finished(request);
+ SetPageUptodate(page0);
+ }
+ unlock_page(page0);
+ ptlrpc_req_finished(request);
- CDEBUG(D_VFSTRACE, "read %d/%d pages\n", nrdpgs, npages);
+ CDEBUG(D_VFSTRACE, "read %d/%d pages\n", nrdpgs, npages);
- for (i = 1; i < npages; i++) {
- unsigned long offset;
- int ret;
+ for (i = 1; i < npages; i++) {
+ unsigned long offset;
+ int ret;
- page = page_pool[i];
+ page = page_pool[i];
- if (rc < 0 || i >= nrdpgs) {
- page_cache_release(page);
- continue;
- }
+ if (rc < 0 || i >= nrdpgs) {
+ page_cache_release(page);
+ continue;
+ }
- SetPageUptodate(page);
+ SetPageUptodate(page);
dp = kmap(page);
hash = le64_to_cpu(dp->ldp_hash_start);
kunmap(page);
- offset = hash_x_index(hash, hash64);
+ offset = hash_x_index(hash, hash64);
prefetchw(&page->flags);
ret = add_to_page_cache_lru(page, inode->i_mapping, offset,
GFP_KERNEL);
if (ret == 0)
- unlock_page(page);
+ unlock_page(page);
else
- CDEBUG(D_VFSTRACE, "page %lu add to page cache failed:"
- " %d\n", offset, ret);
- page_cache_release(page);
- }
+ CDEBUG(D_VFSTRACE, "page %lu add to page cache failed:"
+ " %d\n", offset, ret);
+ page_cache_release(page);
+ }
- if (page_pool != &page0)
- OBD_FREE(page_pool, sizeof(struct page *) * max_pages);
- EXIT;
- return rc;
+ if (page_pool != &page0)
+ OBD_FREE(page_pool, sizeof(struct page *) * max_pages);
+
+ RETURN(rc);
}
static void ll_check_page(struct inode *dir, struct page *page)
struct ptlrpc_request *request;
struct md_op_data *op_data;
- op_data = ll_prep_md_op_data(NULL, dir, NULL, NULL, 0, 0,
- LUSTRE_OPC_ANY, NULL);
+ op_data = ll_prep_md_op_data(NULL, dir, dir, NULL, 0, 0,
+ LUSTRE_OPC_ANY, NULL);
if (IS_ERR(op_data))
return (void *)op_data;
return ERR_PTR(rc);
}
- CDEBUG(D_INODE, "setting lr_lvb_inode to inode %p (%lu/%u)\n",
- dir, dir->i_ino, dir->i_generation);
+ CDEBUG(D_INODE, "setting lr_lvb_inode to inode "DFID"(%p)\n",
+ PFID(ll_inode2fid(dir)), dir);
md_set_lock_data(ll_i2sbi(dir)->ll_md_exp,
&it.d.lustre.it_lock_handle, dir, NULL);
} else {
else
pos = 0;
- CDEBUG(D_VFSTRACE, "VFS Op:inode=%lu/%u(%p) pos %lu/%llu "
- " 32bit_api %d\n", inode->i_ino, inode->i_generation,
+ CDEBUG(D_VFSTRACE, "VFS Op:inode="DFID"(%p) pos %lu/%llu "
+ " 32bit_api %d\n", PFID(ll_inode2fid(inode)),
inode, (unsigned long)pos, i_size_read(inode), api32);
if (pos == MDS_DIR_END_OFF)
rc = md_getattr(sbi->ll_md_exp, op_data, &req);
ll_finish_md_op_data(op_data);
if (rc < 0) {
- CDEBUG(D_INFO, "md_getattr failed on inode "
- "%lu/%u: rc %d\n", inode->i_ino,
- inode->i_generation, rc);
+ CDEBUG(D_INFO, "md_getattr failed on inode "
+ DFID": rc %d\n", PFID(ll_inode2fid(inode)), rc);
GOTO(out, rc);
}
int rc = 0;
ENTRY;
- CDEBUG(D_VFSTRACE, "VFS Op:inode=%lu/%u(%p), cmd=%#x\n",
- inode->i_ino, inode->i_generation, inode, cmd);
+ CDEBUG(D_VFSTRACE, "VFS Op:inode="DFID"(%p), cmd=%#x\n",
+ PFID(ll_inode2fid(inode)), inode, cmd);
/* asm-ppc{,64} declares TCGETS, et. al. as type 't' not 'T' */
if (_IOC_TYPE(cmd) == 'T' || _IOC_TYPE(cmd) == 't') /* tty ioctls */
RETURN(rc);
}
case LL_IOC_HSM_CT_START:
+ if (!cfs_capable(CFS_CAP_SYS_ADMIN))
+ RETURN(-EPERM);
+
rc = copy_and_ioctl(cmd, sbi->ll_md_exp, (void *)arg,
sizeof(struct lustre_kernelcomm));
RETURN(rc);
git://git.whamcloud.com / fs / lustre-release.git / blobdiff