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LU-12355 llite: include file linux/selinux.h removed
[fs/lustre-release.git] / lustre / obdclass / obd_mount_server.c
index 8441d5b..574e487 100644 (file)
 #define PRINT_MASK (D_SUPER | D_CONFIG)
 
 #include <linux/types.h>
+#ifdef HAVE_LINUX_SELINUX_IS_ENABLED
 #include <linux/selinux.h>
+#endif
 #include <linux/statfs.h>
 #include <linux/version.h>
-#ifdef HAVE_KERNEL_LOCKED
-#include <linux/smp_lock.h>
-#endif
 
 #include <llog_swab.h>
 #include <lustre_disk.h>
@@ -556,7 +555,7 @@ again:
 }
 EXPORT_SYMBOL(lustre_notify_lwp_list);
 
-static int lustre_lwp_connect(struct obd_device *lwp)
+static int lustre_lwp_connect(struct obd_device *lwp, bool is_mdt)
 {
        struct lu_env            env;
        struct lu_context        session_ctx;
@@ -582,11 +581,14 @@ static int lustre_lwp_connect(struct obd_device *lwp)
 
        data->ocd_connect_flags = OBD_CONNECT_VERSION | OBD_CONNECT_INDEX;
        data->ocd_version = LUSTRE_VERSION_CODE;
-       data->ocd_connect_flags |= OBD_CONNECT_MDS_MDS | OBD_CONNECT_FID |
-               OBD_CONNECT_AT | OBD_CONNECT_LRU_RESIZE |
-               OBD_CONNECT_FULL20 | OBD_CONNECT_LVB_TYPE |
-               OBD_CONNECT_LIGHTWEIGHT | OBD_CONNECT_LFSCK |
-               OBD_CONNECT_BULK_MBITS;
+       data->ocd_connect_flags |= OBD_CONNECT_FID | OBD_CONNECT_AT |
+               OBD_CONNECT_LRU_RESIZE | OBD_CONNECT_FULL20 |
+               OBD_CONNECT_LVB_TYPE | OBD_CONNECT_LIGHTWEIGHT |
+               OBD_CONNECT_LFSCK | OBD_CONNECT_BULK_MBITS;
+
+       if (is_mdt)
+               data->ocd_connect_flags |= OBD_CONNECT_MDS_MDS;
+
        OBD_ALLOC_PTR(uuid);
        if (uuid == NULL)
                GOTO(out, rc = -ENOMEM);
@@ -670,7 +672,7 @@ static int lustre_lwp_setup(struct lustre_cfg *lcfg, struct lustre_sb_info *lsi,
        obd = class_name2obd(lwpname);
        LASSERT(obd != NULL);
 
-       rc = lustre_lwp_connect(obd);
+       rc = lustre_lwp_connect(obd, strstr(lsi->lsi_svname, "-MDT") != NULL);
        if (rc == 0) {
                obd->u.cli.cl_max_mds_easize = MAX_MD_SIZE;
                spin_lock(&lsi->lsi_lwp_lock);
@@ -931,7 +933,7 @@ static int lustre_disconnect_lwp(struct super_block *sb)
                        GOTO(out, rc = -ENOMEM);
 
                /* end log first */
-               cfg->cfg_instance = sb;
+               cfg->cfg_instance = ll_get_cfg_instance(sb);
                rc = lustre_end_log(sb, logname, cfg);
                if (rc != 0 && rc != -ENOENT)
                        GOTO(out, rc);
@@ -1043,7 +1045,7 @@ static int lustre_start_lwp(struct super_block *sb)
                GOTO(out, rc = -ENOMEM);
 
        cfg->cfg_callback = client_lwp_config_process;
-       cfg->cfg_instance = sb;
+       cfg->cfg_instance = ll_get_cfg_instance(sb);
        rc = lustre_process_log(sb, logname, cfg);
        /* need to remove config llog from mgc */
        lsi->lsi_lwp_started = 1;
@@ -1230,8 +1232,7 @@ again:
                                /* The connection with MGS is not established.
                                 * Try again after 2 seconds. Interruptable. */
                                set_current_state(TASK_INTERRUPTIBLE);
-                               schedule_timeout(
-                                       msecs_to_jiffies(MSEC_PER_SEC) * 2);
+                               schedule_timeout(cfs_time_seconds(2));
                                set_current_state(TASK_RUNNING);
                                if (!signal_pending(current))
                                        goto again;
@@ -1766,6 +1767,43 @@ static ssize_t lustre_listxattr(struct dentry *d_entry, char *name,
        return -EOPNOTSUPP;
 }
 
+static bool is_cmd_supported(unsigned int command)
+{
+       switch (command) {
+       case FITRIM:
+               return true;
+       default:
+               return false;
+       }
+
+       return false;
+}
+
+static long server_ioctl(struct file *filp, unsigned int command,
+                        unsigned long arg)
+{
+       struct file active_filp;
+       struct inode *inode = file_inode(filp);
+       struct lustre_sb_info *lsi = s2lsi(inode->i_sb);
+       struct super_block *dd_sb = dt_mnt_sb_get(lsi->lsi_dt_dev);
+       struct inode *active_inode;
+       int err = -EOPNOTSUPP;
+
+       if (IS_ERR(dd_sb) || !is_cmd_supported(command))
+               return err;
+
+       active_inode = igrab(dd_sb->s_root->d_inode);
+       if (!active_inode)
+               return -EACCES;
+
+       active_filp.f_inode = active_inode;
+       if (active_inode->i_fop && active_inode->i_fop->unlocked_ioctl)
+               err = active_inode->i_fop->unlocked_ioctl(&active_filp,
+                                                         command, arg);
+       iput(active_inode);
+       return err;
+}
+
 static const struct inode_operations server_inode_operations = {
 #ifdef HAVE_IOP_XATTR
        .setxattr       = lustre_setxattr,
@@ -1774,6 +1812,10 @@ static const struct inode_operations server_inode_operations = {
        .listxattr      = lustre_listxattr,
 };
 
+static const struct file_operations server_file_operations = {
+       .unlocked_ioctl = server_ioctl,
+};
+
 #define log2(n) ffz(~(n))
 #define LUSTRE_SUPER_MAGIC 0x0BD00BD1
 
@@ -1788,7 +1830,7 @@ static int server_fill_super_common(struct super_block *sb)
        sb->s_blocksize_bits = log2(sb->s_blocksize);
        sb->s_magic = LUSTRE_SUPER_MAGIC;
        sb->s_maxbytes = 0; /* we don't allow file IO on server mountpoints */
-       sb->s_flags |= MS_RDONLY;
+       sb->s_flags |= SB_RDONLY;
        sb->s_op = &server_ops;
 
        root = new_inode(sb);
@@ -1802,6 +1844,7 @@ static int server_fill_super_common(struct super_block *sb)
        /* apparently we need to be a directory for the mount to finish */
        root->i_mode = S_IFDIR;
        root->i_op = &server_inode_operations;
+       root->i_fop = &server_file_operations;
        sb->s_root = d_make_root(root);
        if (!sb->s_root) {
                CERROR("%s: can't make root dentry\n", sb->s_id);
@@ -1814,10 +1857,10 @@ static int server_fill_super_common(struct super_block *sb)
 static int osd_start(struct lustre_sb_info *lsi, unsigned long mflags)
 {
        struct lustre_mount_data *lmd = lsi->lsi_lmd;
-       struct obd_device        *obd;
-       struct dt_device_param    p;
-       char                      flagstr[16];
-       int                       rc;
+       struct obd_device *obd;
+       struct dt_device_param p;
+       char flagstr[20 + 1 + 10 + 1];
+       int rc;
        ENTRY;
 
        CDEBUG(D_MOUNT,
@@ -1827,7 +1870,7 @@ static int osd_start(struct lustre_sb_info *lsi, unsigned long mflags)
        sprintf(lsi->lsi_osd_obdname, "%s-osd", lsi->lsi_svname);
        strcpy(lsi->lsi_osd_uuid, lsi->lsi_osd_obdname);
        strcat(lsi->lsi_osd_uuid, "_UUID");
-       sprintf(flagstr, "%lu:%lu", mflags, (unsigned long) lmd->lmd_flags);
+       snprintf(flagstr, sizeof(flagstr), "%lu:%u", mflags, lmd->lmd_flags);
 
        obd = class_name2obd(lsi->lsi_osd_obdname);
        if (obd == NULL) {
@@ -1890,8 +1933,10 @@ int server_fill_super(struct super_block *sb)
        OBD_RACE(OBD_FAIL_TGT_MOUNT_RACE);
 
        rc = lsi_prepare(lsi);
-       if (rc)
+       if (rc) {
+               lustre_put_lsi(sb);
                RETURN(rc);
+       }
 
        /* Start low level OSD */
        rc = osd_start(lsi, sb->s_flags);