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Date: Mon, 9 Dec 2013 22:56:55 +0800
From: Peng Tao <bergwolf@...il.com>
To: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc: linux-kernel@...r.kernel.org,
JC Lafoucriere <jacques-charles.lafoucriere@....fr>,
Peng Tao <bergwolf@...il.com>,
Andreas Dilger <andreas.dilger@...el.com>
Subject: [PATCH 03/13] staging/lustre/api: HSM import uses new released pattern
From: JC Lafoucriere <jacques-charles.lafoucriere@....fr>
Import creates a released file using new RAID pattern flag
Import used a new ioctl() to implement the import in the
client kernel.
Lustre-change: http://review.whamcloud.com/6536
Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-3363
Signed-off-by: JC Lafoucriere <jacques-charles.lafoucriere@....fr>
Reviewed-by: Andreas Dilger <andreas.dilger@...el.com>
Reviewed-by: Jinshan Xiong <jinshan.xiong@...el.com>
[Fix up kuid_t/guid_t conversion in llite/file.c -- Peng Tao]
Signed-off-by: Peng Tao <bergwolf@...il.com>
Signed-off-by: Andreas Dilger <andreas.dilger@...el.com>
---
.../lustre/lustre/include/lustre/lustre_user.h | 17 ++-
drivers/staging/lustre/lustre/llite/file.c | 118 ++++++++++++++++----
.../staging/lustre/lustre/llite/llite_internal.h | 2 +-
drivers/staging/lustre/lustre/llite/llite_lib.c | 24 ++--
drivers/staging/lustre/lustre/ptlrpc/wiretest.c | 58 ++++++++++
5 files changed, 187 insertions(+), 32 deletions(-)
diff --git a/drivers/staging/lustre/lustre/include/lustre/lustre_user.h b/drivers/staging/lustre/lustre/include/lustre/lustre_user.h
index c7abb80..6b6c0240 100644
--- a/drivers/staging/lustre/lustre/include/lustre/lustre_user.h
+++ b/drivers/staging/lustre/lustre/include/lustre/lustre_user.h
@@ -244,9 +244,9 @@ struct ost_id {
#define LL_IOC_LMV_SETSTRIPE _IOWR('f', 240, struct lmv_user_md)
#define LL_IOC_LMV_GETSTRIPE _IOWR('f', 241, struct lmv_user_md)
#define LL_IOC_REMOVE_ENTRY _IOWR('f', 242, __u64)
-
#define LL_IOC_SET_LEASE _IOWR('f', 243, long)
#define LL_IOC_GET_LEASE _IO('f', 244)
+#define LL_IOC_HSM_IMPORT _IOWR('f', 245, struct hsm_user_import)
#define LL_STATFS_LMV 1
#define LL_STATFS_LOV 2
@@ -1130,6 +1130,21 @@ static inline int hal_size(struct hsm_action_list *hal)
return sz;
}
+/* HSM file import
+ * describe the attributes to be set on imported file
+ */
+struct hsm_user_import {
+ __u64 hui_size;
+ __u64 hui_atime;
+ __u64 hui_mtime;
+ __u32 hui_atime_ns;
+ __u32 hui_mtime_ns;
+ __u32 hui_uid;
+ __u32 hui_gid;
+ __u32 hui_mode;
+ __u32 hui_archive_id;
+};
+
/* Copytool progress reporting */
#define HP_FLAG_COMPLETED 0x01
#define HP_FLAG_RETRY 0x02
diff --git a/drivers/staging/lustre/lustre/llite/file.c b/drivers/staging/lustre/lustre/llite/file.c
index 996c19d..c12821a 100644
--- a/drivers/staging/lustre/lustre/llite/file.c
+++ b/drivers/staging/lustre/lustre/llite/file.c
@@ -2085,6 +2085,86 @@ free:
return rc;
}
+static int ll_hsm_state_set(struct inode *inode, struct hsm_state_set *hss)
+{
+ struct md_op_data *op_data;
+ int rc;
+
+ /* 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))
+ return -EPERM;
+
+ op_data = ll_prep_md_op_data(NULL, inode, NULL, NULL, 0, 0,
+ LUSTRE_OPC_ANY, hss);
+ if (IS_ERR(op_data))
+ return PTR_ERR(op_data);
+
+ rc = obd_iocontrol(LL_IOC_HSM_STATE_SET, ll_i2mdexp(inode),
+ sizeof(*op_data), op_data, NULL);
+
+ ll_finish_md_op_data(op_data);
+
+ return rc;
+}
+
+static int ll_hsm_import(struct inode *inode, struct file *file,
+ struct hsm_user_import *hui)
+{
+ struct hsm_state_set *hss = NULL;
+ struct iattr *attr = NULL;
+ int rc;
+
+
+ if (!S_ISREG(inode->i_mode))
+ return -EINVAL;
+
+ /* set HSM flags */
+ OBD_ALLOC_PTR(hss);
+ if (hss == NULL)
+ GOTO(out, rc = -ENOMEM);
+
+ hss->hss_valid = HSS_SETMASK | HSS_ARCHIVE_ID;
+ hss->hss_archive_id = hui->hui_archive_id;
+ hss->hss_setmask = HS_ARCHIVED | HS_EXISTS | HS_RELEASED;
+ rc = ll_hsm_state_set(inode, hss);
+ if (rc != 0)
+ GOTO(out, rc);
+
+ OBD_ALLOC_PTR(attr);
+ if (attr == NULL)
+ GOTO(out, rc = -ENOMEM);
+
+ attr->ia_mode = hui->hui_mode & (S_IRWXU | S_IRWXG | S_IRWXO);
+ attr->ia_mode |= S_IFREG;
+ attr->ia_uid = make_kuid(&init_user_ns, hui->hui_uid);
+ attr->ia_gid = make_kgid(&init_user_ns, hui->hui_gid);
+ attr->ia_size = hui->hui_size;
+ attr->ia_mtime.tv_sec = hui->hui_mtime;
+ attr->ia_mtime.tv_nsec = hui->hui_mtime_ns;
+ attr->ia_atime.tv_sec = hui->hui_atime;
+ attr->ia_atime.tv_nsec = hui->hui_atime_ns;
+
+ attr->ia_valid = ATTR_SIZE | ATTR_MODE | ATTR_FORCE |
+ ATTR_UID | ATTR_GID |
+ ATTR_MTIME | ATTR_MTIME_SET |
+ ATTR_ATIME | ATTR_ATIME_SET;
+
+ rc = ll_setattr_raw(file->f_dentry, attr, true);
+ if (rc == -ENODATA)
+ rc = 0;
+
+out:
+ if (hss != NULL)
+ OBD_FREE_PTR(hss);
+
+ if (attr != NULL)
+ OBD_FREE_PTR(attr);
+
+ return rc;
+}
+
long ll_file_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
{
struct inode *inode = file->f_dentry->d_inode;
@@ -2246,37 +2326,19 @@ long ll_file_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
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 (IS_ERR(op_data)) {
- OBD_FREE_PTR(hss);
- return PTR_ERR(op_data);
- }
-
- rc = obd_iocontrol(cmd, ll_i2mdexp(inode), sizeof(*op_data),
- op_data, NULL);
-
- ll_finish_md_op_data(op_data);
+ rc = ll_hsm_state_set(inode, hss);
OBD_FREE_PTR(hss);
return rc;
@@ -2389,7 +2451,23 @@ long ll_file_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
}
}
mutex_unlock(&lli->lli_och_mutex);
+ return rc;
+ }
+ case LL_IOC_HSM_IMPORT: {
+ struct hsm_user_import *hui;
+
+ OBD_ALLOC_PTR(hui);
+ if (hui == NULL)
+ return -ENOMEM;
+
+ if (copy_from_user(hui, (void *)arg, sizeof(*hui))) {
+ OBD_FREE_PTR(hui);
+ return -EFAULT;
+ }
+
+ rc = ll_hsm_import(inode, file, hui);
+ OBD_FREE_PTR(hui);
return rc;
}
default: {
diff --git a/drivers/staging/lustre/lustre/llite/llite_internal.h b/drivers/staging/lustre/lustre/llite/llite_internal.h
index 61bb69a..7ee5c02 100644
--- a/drivers/staging/lustre/lustre/llite/llite_internal.h
+++ b/drivers/staging/lustre/lustre/llite/llite_internal.h
@@ -851,7 +851,7 @@ void ll_kill_super(struct super_block *sb);
struct inode *ll_inode_from_resource_lock(struct ldlm_lock *lock);
struct inode *ll_inode_from_lock(struct ldlm_lock *lock);
void ll_clear_inode(struct inode *inode);
-int ll_setattr_raw(struct dentry *dentry, struct iattr *attr);
+int ll_setattr_raw(struct dentry *dentry, struct iattr *attr, bool hsm_import);
int ll_setattr(struct dentry *de, struct iattr *attr);
int ll_statfs(struct dentry *de, struct kstatfs *sfs);
int ll_statfs_internal(struct super_block *sb, struct obd_statfs *osfs,
diff --git a/drivers/staging/lustre/lustre/llite/llite_lib.c b/drivers/staging/lustre/lustre/llite/llite_lib.c
index 1a96786..6cfdb9e 100644
--- a/drivers/staging/lustre/lustre/llite/llite_lib.c
+++ b/drivers/staging/lustre/lustre/llite/llite_lib.c
@@ -1364,8 +1364,10 @@ static int ll_setattr_ost(struct inode *inode, struct iattr *attr)
* to the OST with the punch RPC, otherwise we do an explicit setattr RPC.
* I don't believe it is possible to get e.g. ATTR_MTIME_SET and ATTR_SIZE
* at the same time.
+ *
+ * In case of HSMimport, we only set attr on MDS.
*/
-int ll_setattr_raw(struct dentry *dentry, struct iattr *attr)
+int ll_setattr_raw(struct dentry *dentry, struct iattr *attr, bool hsm_import)
{
struct inode *inode = dentry->d_inode;
struct ll_inode_info *lli = ll_i2info(inode);
@@ -1374,10 +1376,12 @@ int ll_setattr_raw(struct dentry *dentry, struct iattr *attr)
bool file_is_released = false;
int rc = 0, rc1 = 0;
- CDEBUG(D_VFSTRACE, "%s: setattr inode %p/fid:"DFID" from %llu to %llu, "
- "valid %x\n", ll_get_fsname(inode->i_sb, NULL, 0), inode,
+ CDEBUG(D_VFSTRACE,
+ "%s: setattr inode %p/fid:"DFID
+ " from %llu to %llu, valid %x, hsm_import %d\n",
+ ll_get_fsname(inode->i_sb, NULL, 0), inode,
PFID(&lli->lli_fid), i_size_read(inode), attr->ia_size,
- attr->ia_valid);
+ attr->ia_valid, hsm_import);
if (attr->ia_valid & ATTR_SIZE) {
/* Check new size against VFS/VM file size limit and rlimit */
@@ -1470,20 +1474,20 @@ int ll_setattr_raw(struct dentry *dentry, struct iattr *attr)
ccc_inode_lsm_put(inode, lsm);
}
- /* clear size attr for released file
+ /* if not in HSM import mode, clear size attr for released file
* we clear the attribute send to MDT in op_data, not the original
* received from caller in attr which is used later to
* decide return code */
- if (file_is_released && (attr->ia_valid & ATTR_SIZE))
+ if (file_is_released && (attr->ia_valid & ATTR_SIZE) && !hsm_import)
op_data->op_attr.ia_valid &= ~ATTR_SIZE;
rc = ll_md_setattr(dentry, op_data, &mod);
if (rc)
GOTO(out, rc);
- /* truncate failed, others succeed */
+ /* truncate failed (only when non HSM import), others succeed */
if (file_is_released) {
- if (attr->ia_valid & ATTR_SIZE)
+ if ((attr->ia_valid & ATTR_SIZE) && !hsm_import)
GOTO(out, rc = -ENODATA);
else
GOTO(out, rc = 0);
@@ -1522,7 +1526,7 @@ out:
if (!S_ISDIR(inode->i_mode)) {
up_write(&lli->lli_trunc_sem);
mutex_lock(&inode->i_mutex);
- if (attr->ia_valid & ATTR_SIZE)
+ if ((attr->ia_valid & ATTR_SIZE) && !hsm_import)
inode_dio_wait(inode);
}
@@ -1557,7 +1561,7 @@ int ll_setattr(struct dentry *de, struct iattr *attr)
!(attr->ia_valid & ATTR_KILL_SGID))
attr->ia_valid |= ATTR_KILL_SGID;
- return ll_setattr_raw(de, attr);
+ return ll_setattr_raw(de, attr, false);
}
int ll_statfs_internal(struct super_block *sb, struct obd_statfs *osfs,
diff --git a/drivers/staging/lustre/lustre/ptlrpc/wiretest.c b/drivers/staging/lustre/lustre/ptlrpc/wiretest.c
index c2efd11..3aa4459 100644
--- a/drivers/staging/lustre/lustre/ptlrpc/wiretest.c
+++ b/drivers/staging/lustre/lustre/ptlrpc/wiretest.c
@@ -4422,6 +4422,64 @@ void lustre_assert_wire_constants(void)
LASSERTF((int)sizeof(((struct hsm_user_request *)0)->hur_user_item) == 0, "found %lld\n",
(long long)(int)sizeof(((struct hsm_user_request *)0)->hur_user_item));
+ /* Checks for struct hsm_user_import */
+ LASSERTF(sizeof(struct hsm_user_import) == 48, "found %lld\n",
+ (long long)sizeof(struct hsm_user_import));
+ LASSERTF(offsetof(struct hsm_user_import, hui_size) == 0,
+ "found %lld\n",
+ (long long)offsetof(struct hsm_user_import, hui_size));
+ LASSERTF(sizeof(((struct hsm_user_import *)0)->hui_size) == 8,
+ "found %lld\n",
+ (long long)sizeof(((struct hsm_user_import *)0)->hui_size));
+ LASSERTF(offsetof(struct hsm_user_import, hui_uid) == 32,
+ "found %lld\n",
+ (long long)offsetof(struct hsm_user_import, hui_uid));
+ LASSERTF(sizeof(((struct hsm_user_import *)0)->hui_uid) == 4,
+ "found %lld\n",
+ (long long)sizeof(((struct hsm_user_import *)0)->hui_uid));
+ LASSERTF(offsetof(struct hsm_user_import, hui_gid) == 36,
+ "found %lld\n",
+ (long long)offsetof(struct hsm_user_import, hui_gid));
+ LASSERTF(sizeof(((struct hsm_user_import *)0)->hui_gid) == 4,
+ "found %lld\n",
+ (long long)sizeof(((struct hsm_user_import *)0)->hui_gid));
+ LASSERTF(offsetof(struct hsm_user_import, hui_mode) == 40,
+ "found %lld\n",
+ (long long)offsetof(struct hsm_user_import, hui_mode));
+ LASSERTF(sizeof(((struct hsm_user_import *)0)->hui_mode) == 4,
+ "found %lld\n",
+ (long long)sizeof(((struct hsm_user_import *)0)->hui_mode));
+ LASSERTF(offsetof(struct hsm_user_import, hui_atime) == 8,
+ "found %lld\n",
+ (long long)offsetof(struct hsm_user_import, hui_atime));
+ LASSERTF(sizeof(((struct hsm_user_import *)0)->hui_atime) == 8,
+ "found %lld\n",
+ (long long)sizeof(((struct hsm_user_import *)0)->hui_atime));
+ LASSERTF(offsetof(struct hsm_user_import, hui_atime_ns) == 24,
+ "found %lld\n",
+ (long long)(int)offsetof(struct hsm_user_import, hui_atime_ns));
+ LASSERTF(sizeof(((struct hsm_user_import *)0)->hui_atime_ns) == 4,
+ "found %lld\n",
+ (long long)sizeof(((struct hsm_user_import *)0)->hui_atime_ns));
+ LASSERTF(offsetof(struct hsm_user_import, hui_mtime) == 16,
+ "found %lld\n",
+ (long long)offsetof(struct hsm_user_import, hui_mtime));
+ LASSERTF(sizeof(((struct hsm_user_import *)0)->hui_mtime) == 8,
+ "found %lld\n",
+ (long long)sizeof(((struct hsm_user_import *)0)->hui_mtime));
+ LASSERTF(offsetof(struct hsm_user_import, hui_mtime_ns) == 28,
+ "found %lld\n",
+ (long long)offsetof(struct hsm_user_import, hui_mtime_ns));
+ LASSERTF(sizeof(((struct hsm_user_import *)0)->hui_mtime_ns) == 4,
+ "found %lld\n",
+ (long long)sizeof(((struct hsm_user_import *)0)->hui_mtime_ns));
+ LASSERTF(offsetof(struct hsm_user_import, hui_archive_id) == 44,
+ "found %lld\n",
+ (long long)offsetof(struct hsm_user_import, hui_archive_id));
+ LASSERTF(sizeof(((struct hsm_user_import *)0)->hui_archive_id) == 4,
+ "found %lld\n",
+ (long long)sizeof(((struct hsm_user_import *)0)->hui_archive_id));
+
/* Checks for struct update_buf */
LASSERTF((int)sizeof(struct update_buf) == 8, "found %lld\n",
(long long)(int)sizeof(struct update_buf));
--
1.7.9.5
--
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