scsi: Add ALUA state change UA handling

[karo-tx-linux.git] / fs / btrfs / ctree.h

diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index 6f364e1d8d3d1e9c08e246dbc1df443be49c33fd..aac314e14188facff9ed95136eab647709352359 100644 (file)
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -174,7 +174,7 @@ struct btrfs_ordered_sum;
 /* csum types */
 #define BTRFS_CSUM_TYPE_CRC32  0
 
-static int btrfs_csum_sizes[] = { 4, 0 };
+static int btrfs_csum_sizes[] = { 4 };
 
 /* four bytes for CRC32 */
 #define BTRFS_EMPTY_DIR_SIZE 0
@@ -1619,10 +1619,7 @@ struct btrfs_fs_info {
        struct task_struct *cleaner_kthread;
        int thread_pool_size;
 
-       struct kobject super_kobj;
        struct kobject *space_info_kobj;
-       struct kobject *device_dir_kobj;
-       struct completion kobj_unregister;
        int do_barriers;
        int closing;
        int log_root_recovering;
@@ -1698,6 +1695,7 @@ struct btrfs_fs_info {
        struct btrfs_workqueue *scrub_workers;
        struct btrfs_workqueue *scrub_wr_completion_workers;
        struct btrfs_workqueue *scrub_nocow_workers;
+       struct btrfs_workqueue *scrub_parity_workers;
 
 #ifdef CONFIG_BTRFS_FS_CHECK_INTEGRITY
        u32 check_integrity_print_mask;
@@ -1735,7 +1733,7 @@ struct btrfs_fs_info {
        /* list of dirty qgroups to be written at next commit */
        struct list_head dirty_qgroups;
 
-       /* used by btrfs_qgroup_record_ref for an efficient tree traversal */
+       /* used by qgroup for an efficient tree traversal */
        u64 qgroup_seq;
 
        /* qgroup rescan items */
@@ -1780,6 +1778,7 @@ struct btrfs_fs_info {
        spinlock_t unused_bgs_lock;
        struct list_head unused_bgs;
        struct mutex unused_bg_unpin_mutex;
+       struct mutex delete_unused_bgs_mutex;
 
        /* For btrfs to record security options */
        struct security_mnt_opts security_opts;
@@ -3458,6 +3457,7 @@ int btrfs_check_data_free_space(struct inode *inode, u64 bytes, u64 write_bytes)
 void btrfs_free_reserved_data_space(struct inode *inode, u64 bytes);
 void btrfs_trans_release_metadata(struct btrfs_trans_handle *trans,
                                struct btrfs_root *root);
+void btrfs_trans_release_chunk_metadata(struct btrfs_trans_handle *trans);
 int btrfs_orphan_reserve_metadata(struct btrfs_trans_handle *trans,
                                  struct inode *inode);
 void btrfs_orphan_release_metadata(struct inode *inode);
@@ -3515,6 +3515,9 @@ int btrfs_delayed_refs_qgroup_accounting(struct btrfs_trans_handle *trans,
 int __get_raid_index(u64 flags);
 int btrfs_start_write_no_snapshoting(struct btrfs_root *root);
 void btrfs_end_write_no_snapshoting(struct btrfs_root *root);
+void check_system_chunk(struct btrfs_trans_handle *trans,
+                       struct btrfs_root *root,
+                       const u64 type);
 /* ctree.c */
 int btrfs_bin_search(struct extent_buffer *eb, struct btrfs_key *key,
                     int level, int *slot);
@@ -4050,6 +4053,7 @@ void btrfs_printk(const struct btrfs_fs_info *fs_info, const char *fmt, ...)
 
 #ifdef CONFIG_BTRFS_ASSERT
 
+__cold
 static inline void assfail(char *expr, char *file, int line)
 {
        pr_err("BTRFS: assertion failed: %s, file: %s, line: %d",
@@ -4065,10 +4069,12 @@ static inline void assfail(char *expr, char *file, int line)
 
 #define btrfs_assert()
 __printf(5, 6)
+__cold
 void __btrfs_std_error(struct btrfs_fs_info *fs_info, const char *function,
                     unsigned int line, int errno, const char *fmt, ...);
 
 
+__cold
 void __btrfs_abort_transaction(struct btrfs_trans_handle *trans,
                               struct btrfs_root *root, const char *function,
                               unsigned int line, int errno);
@@ -4111,11 +4117,17 @@ static inline int __btrfs_fs_incompat(struct btrfs_fs_info *fs_info, u64 flag)
  * Call btrfs_abort_transaction as early as possible when an error condition is
  * detected, that way the exact line number is reported.
  */
-
 #define btrfs_abort_transaction(trans, root, errno)            \
 do {                                                           \
-       __btrfs_abort_transaction(trans, root, __func__,        \
-                                 __LINE__, errno);             \
+       /* Report first abort since mount */                    \
+       if (!test_and_set_bit(BTRFS_FS_STATE_TRANS_ABORTED,     \
+                       &((root)->fs_info->fs_state))) {        \
+               WARN(1, KERN_DEBUG                              \
+               "BTRFS: Transaction aborted (error %d)\n",      \
+               (errno));                                       \
+       }                                                       \
+       __btrfs_abort_transaction((trans), (root), __func__,    \
+                                 __LINE__, (errno));           \
 } while (0)
 
 #define btrfs_std_error(fs_info, errno)                                \
@@ -4132,6 +4144,7 @@ do {                                                              \
 } while (0)
 
 __printf(5, 6)
+__cold
 void __btrfs_panic(struct btrfs_fs_info *fs_info, const char *function,
                   unsigned int line, int errno, const char *fmt, ...);