LU-15216 lmv: improve MDT QOS space balance

[fs/lustre-release.git] / lustre / llite / llite_internal.h

diff --git a/lustre/llite/llite_internal.h b/lustre/llite/llite_internal.h
index a1fd893..d066f98 100644 (file)
--- a/lustre/llite/llite_internal.h
+++ b/lustre/llite/llite_internal.h
@@ -170,7 +170,7 @@ struct ll_inode_info {
                         * -- I am the owner of dir statahead. */
                        pid_t                           lli_opendir_pid;
                        /* directory depth to ROOT */
-                       unsigned short                  lli_depth;
+                       unsigned short                  lli_dir_depth;
                        /* stat will try to access statahead entries or start
                         * statahead if this flag is set, and this flag will be
                         * set upon dir open, and cleared when dir is closed,
@@ -351,6 +351,8 @@ static inline void trunc_sem_down_write(struct ll_trunc_sem *sem)
 static inline void trunc_sem_up_write(struct ll_trunc_sem *sem)
 {
        atomic_set(&sem->ll_trunc_readers, 0);
+       /* match the smp_mb() in wait_var_event()->prepare_to_wait() */
+       smp_mb();
        wake_up_var(&sem->ll_trunc_readers);
 }
 
@@ -581,14 +583,15 @@ struct ra_io_arg {
 #define LL_HIST_START 12 /* buckets start at 2^12 = 4k */
 #define LL_PROCESS_HIST_MAX 10
 struct per_process_info {
-        pid_t pid;
-        struct obd_histogram pp_r_hist;
-        struct obd_histogram pp_w_hist;
+       pid_t pid;
+       struct obd_histogram pp_r_hist;
+       struct obd_histogram pp_w_hist;
 };
 
 /* pp_extents[LL_PROCESS_HIST_MAX] will hold the combined process info */
 struct ll_rw_extents_info {
-        struct per_process_info pp_extents[LL_PROCESS_HIST_MAX + 1];
+       ktime_t pp_init;
+       struct per_process_info pp_extents[LL_PROCESS_HIST_MAX + 1];
 };
 
 #define LL_OFFSET_HIST_MAX 100
@@ -673,6 +676,7 @@ struct ll_sb_info {
        struct obd_device       *ll_dt_obd;
        struct dentry           *ll_debugfs_entry;
        struct lu_fid            ll_root_fid; /* root object fid */
+       struct mnt_namespace    *ll_mnt_ns;
 
        DECLARE_BITMAP(ll_flags, LL_SBI_NUM_FLAGS); /* enum ll_sbi_flags */
        unsigned int             ll_xattr_cache_enabled:1,
@@ -698,16 +702,18 @@ struct ll_sb_info {
 
        struct lu_site           *ll_site;
        struct cl_device         *ll_cl;
+
        /* Statistics */
-       struct ll_rw_extents_info ll_rw_extents_info;
-       int                       ll_extent_process_count;
-       struct ll_rw_process_info ll_rw_process_info[LL_PROCESS_HIST_MAX];
-       unsigned int              ll_offset_process_count;
-       struct ll_rw_process_info ll_rw_offset_info[LL_OFFSET_HIST_MAX];
-       unsigned int              ll_rw_offset_entry_count;
-       int                       ll_stats_track_id;
-       enum stats_track_type     ll_stats_track_type;
-       int                       ll_rw_stats_on;
+       struct ll_rw_extents_info *ll_rw_extents_info;
+       int                       ll_extent_process_count;
+       unsigned int              ll_offset_process_count;
+       struct ll_rw_process_info *ll_rw_process_info;
+       struct ll_rw_process_info *ll_rw_offset_info;
+       ktime_t                   ll_process_stats_init;
+       unsigned int              ll_rw_offset_entry_count;
+       int                       ll_stats_track_id;
+       enum stats_track_type     ll_stats_track_type;
+       int                       ll_rw_stats_on;
 
        /* metadata stat-ahead */
        unsigned int              ll_sa_running_max;/* max concurrent
@@ -979,6 +985,7 @@ void cl_put_grouplock(struct ll_grouplock *lg);
 int ll_debugfs_register_super(struct super_block *sb, const char *name);
 void ll_debugfs_unregister_super(struct super_block *sb);
 void ll_stats_ops_tally(struct ll_sb_info *sbi, int op, long count);
+void ll_free_rw_stats_info(struct ll_sb_info *sbi);
 
 enum {
        LPROC_LL_READ_BYTES,
@@ -1119,7 +1126,7 @@ static inline int ll_inode_flags_to_xflags(int inode_flags)
 }
 
 int ll_migrate(struct inode *parent, struct file *file,
-              struct lmv_user_md *lum, const char *name);
+              struct lmv_user_md *lum, const char *name, __u32 flags);
 int ll_get_fid_by_name(struct inode *parent, const char *name,
                       int namelen, struct lu_fid *fid, struct inode **inode);
 int ll_inode_permission(struct inode *inode, int mask);
@@ -1184,6 +1191,8 @@ void ll_kill_super(struct super_block *sb);
 struct inode *ll_inode_from_resource_lock(struct ldlm_lock *lock);
 void ll_dir_clear_lsm_md(struct inode *inode);
 void ll_clear_inode(struct inode *inode);
+int volatile_ref_file(const char *volatile_name, int volatile_len,
+                     struct file **ref_file);
 int ll_setattr_raw(struct dentry *dentry, struct iattr *attr,
                   enum op_xvalid xvalid, bool hsm_import);
 int ll_setattr(struct dentry *de, struct iattr *attr);
@@ -1712,6 +1721,7 @@ int ll_fname_disk_to_usr(struct inode *inode,
                         struct llcrypt_str *iname, struct llcrypt_str *oname,
                         struct lu_fid *fid);
 int ll_revalidate_d_crypto(struct dentry *dentry, unsigned int flags);
+int ll_file_open_encrypt(struct inode *inode, struct file *filp);
 #ifdef HAVE_LUSTRE_CRYPTO
 extern const struct llcrypt_operations lustre_cryptops;
 #endif