diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/buffer_head.h | 3 | ||||
| -rw-r--r-- | include/linux/fs.h | 2 | ||||
| -rw-r--r-- | include/linux/jbd.h | 28 | ||||
| -rw-r--r-- | include/linux/jbd2.h | 175 | ||||
| -rw-r--r-- | include/linux/jbd_common.h | 26 | ||||
| -rw-r--r-- | include/linux/mm.h | 3 | ||||
| -rw-r--r-- | include/trace/events/ext3.h | 12 | ||||
| -rw-r--r-- | include/trace/events/ext4.h | 304 |
8 files changed, 364 insertions, 189 deletions
diff --git a/include/linux/buffer_head.h b/include/linux/buffer_head.h index 9e52b0626b39..f5a3b838ddb0 100644 --- a/include/linux/buffer_head.h +++ b/include/linux/buffer_head.h @@ -198,7 +198,8 @@ extern int buffer_heads_over_limit; * Generic address_space_operations implementations for buffer_head-backed * address_spaces. */ -void block_invalidatepage(struct page *page, unsigned long offset); +void block_invalidatepage(struct page *page, unsigned int offset, + unsigned int length); int block_write_full_page(struct page *page, get_block_t *get_block, struct writeback_control *wbc); int block_write_full_page_endio(struct page *page, get_block_t *get_block, diff --git a/include/linux/fs.h b/include/linux/fs.h index 7c30e3a62baf..f8a5240541b7 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -364,7 +364,7 @@ struct address_space_operations { /* Unfortunately this kludge is needed for FIBMAP. Don't use it */ sector_t (*bmap)(struct address_space *, sector_t); - void (*invalidatepage) (struct page *, unsigned long); + void (*invalidatepage) (struct page *, unsigned int, unsigned int); int (*releasepage) (struct page *, gfp_t); void (*freepage)(struct page *); ssize_t (*direct_IO)(int, struct kiocb *, const struct iovec *iov, diff --git a/include/linux/jbd.h b/include/linux/jbd.h index 7e0b622503c4..8685d1be12c7 100644 --- a/include/linux/jbd.h +++ b/include/linux/jbd.h @@ -27,7 +27,6 @@ #include <linux/buffer_head.h> #include <linux/journal-head.h> #include <linux/stddef.h> -#include <linux/bit_spinlock.h> #include <linux/mutex.h> #include <linux/timer.h> #include <linux/lockdep.h> @@ -244,6 +243,31 @@ typedef struct journal_superblock_s #include <linux/fs.h> #include <linux/sched.h> + +enum jbd_state_bits { + BH_JBD /* Has an attached ext3 journal_head */ + = BH_PrivateStart, + BH_JWrite, /* Being written to log (@@@ DEBUGGING) */ + BH_Freed, /* Has been freed (truncated) */ + BH_Revoked, /* Has been revoked from the log */ + BH_RevokeValid, /* Revoked flag is valid */ + BH_JBDDirty, /* Is dirty but journaled */ + BH_State, /* Pins most journal_head state */ + BH_JournalHead, /* Pins bh->b_private and jh->b_bh */ + BH_Unshadow, /* Dummy bit, for BJ_Shadow wakeup filtering */ + BH_JBDPrivateStart, /* First bit available for private use by FS */ +}; + +BUFFER_FNS(JBD, jbd) +BUFFER_FNS(JWrite, jwrite) +BUFFER_FNS(JBDDirty, jbddirty) +TAS_BUFFER_FNS(JBDDirty, jbddirty) +BUFFER_FNS(Revoked, revoked) +TAS_BUFFER_FNS(Revoked, revoked) +BUFFER_FNS(RevokeValid, revokevalid) +TAS_BUFFER_FNS(RevokeValid, revokevalid) +BUFFER_FNS(Freed, freed) + #include <linux/jbd_common.h> #define J_ASSERT(assert) BUG_ON(!(assert)) @@ -840,7 +864,7 @@ extern void journal_release_buffer (handle_t *, struct buffer_head *); extern int journal_forget (handle_t *, struct buffer_head *); extern void journal_sync_buffer (struct buffer_head *); extern void journal_invalidatepage(journal_t *, - struct page *, unsigned long); + struct page *, unsigned int, unsigned int); extern int journal_try_to_free_buffers(journal_t *, struct page *, gfp_t); extern int journal_stop(handle_t *); extern int journal_flush (journal_t *); diff --git a/include/linux/jbd2.h b/include/linux/jbd2.h index 6e051f472edb..d5b50a19463c 100644 --- a/include/linux/jbd2.h +++ b/include/linux/jbd2.h @@ -26,7 +26,6 @@ #include <linux/buffer_head.h> #include <linux/journal-head.h> #include <linux/stddef.h> -#include <linux/bit_spinlock.h> #include <linux/mutex.h> #include <linux/timer.h> #include <linux/slab.h> @@ -57,17 +56,13 @@ */ #define JBD2_EXPENSIVE_CHECKING extern ushort jbd2_journal_enable_debug; +void __jbd2_debug(int level, const char *file, const char *func, + unsigned int line, const char *fmt, ...); -#define jbd_debug(n, f, a...) \ - do { \ - if ((n) <= jbd2_journal_enable_debug) { \ - printk (KERN_DEBUG "(%s, %d): %s: ", \ - __FILE__, __LINE__, __func__); \ - printk (f, ## a); \ - } \ - } while (0) +#define jbd_debug(n, fmt, a...) \ + __jbd2_debug((n), __FILE__, __func__, __LINE__, (fmt), ##a) #else -#define jbd_debug(f, a...) /**/ +#define jbd_debug(n, fmt, a...) /**/ #endif extern void *jbd2_alloc(size_t size, gfp_t flags); @@ -302,6 +297,34 @@ typedef struct journal_superblock_s #include <linux/fs.h> #include <linux/sched.h> + +enum jbd_state_bits { + BH_JBD /* Has an attached ext3 journal_head */ + = BH_PrivateStart, + BH_JWrite, /* Being written to log (@@@ DEBUGGING) */ + BH_Freed, /* Has been freed (truncated) */ + BH_Revoked, /* Has been revoked from the log */ + BH_RevokeValid, /* Revoked flag is valid */ + BH_JBDDirty, /* Is dirty but journaled */ + BH_State, /* Pins most journal_head state */ + BH_JournalHead, /* Pins bh->b_private and jh->b_bh */ + BH_Shadow, /* IO on shadow buffer is running */ + BH_Verified, /* Metadata block has been verified ok */ + BH_JBDPrivateStart, /* First bit available for private use by FS */ +}; + +BUFFER_FNS(JBD, jbd) +BUFFER_FNS(JWrite, jwrite) +BUFFER_FNS(JBDDirty, jbddirty) +TAS_BUFFER_FNS(JBDDirty, jbddirty) +BUFFER_FNS(Revoked, revoked) +TAS_BUFFER_FNS(Revoked, revoked) +BUFFER_FNS(RevokeValid, revokevalid) +TAS_BUFFER_FNS(RevokeValid, revokevalid) +BUFFER_FNS(Freed, freed) +BUFFER_FNS(Shadow, shadow) +BUFFER_FNS(Verified, verified) + #include <linux/jbd_common.h> #define J_ASSERT(assert) BUG_ON(!(assert)) @@ -382,8 +405,15 @@ struct jbd2_revoke_table_s; struct jbd2_journal_handle { - /* Which compound transaction is this update a part of? */ - transaction_t *h_transaction; + union { + /* Which compound transaction is this update a part of? */ + transaction_t *h_transaction; + /* Which journal handle belongs to - used iff h_reserved set */ + journal_t *h_journal; + }; + + /* Handle reserved for finishing the logical operation */ + handle_t *h_rsv_handle; /* Number of remaining buffers we are allowed to dirty: */ int h_buffer_credits; @@ -398,6 +428,7 @@ struct jbd2_journal_handle /* Flags [no locking] */ unsigned int h_sync: 1; /* sync-on-close */ unsigned int h_jdata: 1; /* force data journaling */ + unsigned int h_reserved: 1; /* handle with reserved credits */ unsigned int h_aborted: 1; /* fatal error on handle */ unsigned int h_type: 8; /* for handle statistics */ unsigned int h_line_no: 16; /* for handle statistics */ @@ -524,12 +555,6 @@ struct transaction_s struct journal_head *t_checkpoint_io_list; /* - * Doubly-linked circular list of temporary buffers currently undergoing - * IO in the log [j_list_lock] - */ - struct journal_head *t_iobuf_list; - - /* * Doubly-linked circular list of metadata buffers being shadowed by log * IO. The IO buffers on the iobuf list and the shadow buffers on this * list match each other one for one at all times. [j_list_lock] @@ -537,12 +562,6 @@ struct transaction_s struct journal_head *t_shadow_list; /* - * Doubly-linked circular list of control buffers being written to the - * log. [j_list_lock] - */ - struct journal_head *t_log_list; - - /* * List of inodes whose data we've modified in data=ordered mode. * [j_list_lock] */ @@ -671,11 +690,10 @@ jbd2_time_diff(unsigned long start, unsigned long end) * waiting for checkpointing * @j_wait_transaction_locked: Wait queue for waiting for a locked transaction * to start committing, or for a barrier lock to be released - * @j_wait_logspace: Wait queue for waiting for checkpointing to complete * @j_wait_done_commit: Wait queue for waiting for commit to complete - * @j_wait_checkpoint: Wait queue to trigger checkpointing * @j_wait_commit: Wait queue to trigger commit * @j_wait_updates: Wait queue to wait for updates to complete + * @j_wait_reserved: Wait queue to wait for reserved buffer credits to drop * @j_checkpoint_mutex: Mutex for locking against concurrent checkpoints * @j_head: Journal head - identifies the first unused block in the journal * @j_tail: Journal tail - identifies the oldest still-used block in the @@ -689,6 +707,7 @@ jbd2_time_diff(unsigned long start, unsigned long end) * journal * @j_fs_dev: Device which holds the client fs. For internal journal this will * be equal to j_dev + * @j_reserved_credits: Number of buffers reserved from the running transaction * @j_maxlen: Total maximum capacity of the journal region on disk. * @j_list_lock: Protects the buffer lists and internal buffer state. * @j_inode: Optional inode where we store the journal. If present, all journal @@ -778,21 +797,18 @@ struct journal_s */ wait_queue_head_t j_wait_transaction_locked; - /* Wait queue for waiting for checkpointing to complete */ - wait_queue_head_t j_wait_logspace; - /* Wait queue for waiting for commit to complete */ wait_queue_head_t j_wait_done_commit; - /* Wait queue to trigger checkpointing */ - wait_queue_head_t j_wait_checkpoint; - /* Wait queue to trigger commit */ wait_queue_head_t j_wait_commit; /* Wait queue to wait for updates to complete */ wait_queue_head_t j_wait_updates; + /* Wait queue to wait for reserved buffer credits to drop */ + wait_queue_head_t j_wait_reserved; + /* Semaphore for locking against concurrent checkpoints */ struct mutex j_checkpoint_mutex; @@ -847,6 +863,9 @@ struct journal_s /* Total maximum capacity of the journal region on disk. */ unsigned int j_maxlen; + /* Number of buffers reserved from the running transaction */ + atomic_t j_reserved_credits; + /* * Protects the buffer lists and internal buffer state. */ @@ -991,9 +1010,17 @@ extern void __jbd2_journal_file_buffer(struct journal_head *, transaction_t *, i extern void __journal_free_buffer(struct journal_head *bh); extern void jbd2_journal_file_buffer(struct journal_head *, transaction_t *, int); extern void __journal_clean_data_list(transaction_t *transaction); +static inline void jbd2_file_log_bh(struct list_head *head, struct buffer_head *bh) +{ + list_add_tail(&bh->b_assoc_buffers, head); +} +static inline void jbd2_unfile_log_bh(struct buffer_head *bh) +{ + list_del_init(&bh->b_assoc_buffers); +} /* Log buffer allocation */ -extern struct journal_head * jbd2_journal_get_descriptor_buffer(journal_t *); +struct buffer_head *jbd2_journal_get_descriptor_buffer(journal_t *journal); int jbd2_journal_next_log_block(journal_t *, unsigned long long *); int jbd2_journal_get_log_tail(journal_t *journal, tid_t *tid, unsigned long *block); @@ -1039,11 +1066,10 @@ extern void jbd2_buffer_abort_trigger(struct journal_head *jh, struct jbd2_buffer_trigger_type *triggers); /* Buffer IO */ -extern int -jbd2_journal_write_metadata_buffer(transaction_t *transaction, - struct journal_head *jh_in, - struct journal_head **jh_out, - unsigned long long blocknr); +extern int jbd2_journal_write_metadata_buffer(transaction_t *transaction, + struct journal_head *jh_in, + struct buffer_head **bh_out, + sector_t blocknr); /* Transaction locking */ extern void __wait_on_journal (journal_t *); @@ -1076,10 +1102,14 @@ static inline handle_t *journal_current_handle(void) */ extern handle_t *jbd2_journal_start(journal_t *, int nblocks); -extern handle_t *jbd2__journal_start(journal_t *, int nblocks, gfp_t gfp_mask, - unsigned int type, unsigned int line_no); +extern handle_t *jbd2__journal_start(journal_t *, int blocks, int rsv_blocks, + gfp_t gfp_mask, unsigned int type, + unsigned int line_no); extern int jbd2_journal_restart(handle_t *, int nblocks); extern int jbd2__journal_restart(handle_t *, int nblocks, gfp_t gfp_mask); +extern int jbd2_journal_start_reserved(handle_t *handle, + unsigned int type, unsigned int line_no); +extern void jbd2_journal_free_reserved(handle_t *handle); extern int jbd2_journal_extend (handle_t *, int nblocks); extern int jbd2_journal_get_write_access(handle_t *, struct buffer_head *); extern int jbd2_journal_get_create_access (handle_t *, struct buffer_head *); @@ -1090,7 +1120,7 @@ extern int jbd2_journal_dirty_metadata (handle_t *, struct buffer_head *); extern int jbd2_journal_forget (handle_t *, struct buffer_head *); extern void journal_sync_buffer (struct buffer_head *); extern int jbd2_journal_invalidatepage(journal_t *, - struct page *, unsigned long); + struct page *, unsigned int, unsigned int); extern int jbd2_journal_try_to_free_buffers(journal_t *, struct page *, gfp_t); extern int jbd2_journal_stop(handle_t *); extern int jbd2_journal_flush (journal_t *); @@ -1125,6 +1155,7 @@ extern void jbd2_journal_ack_err (journal_t *); extern int jbd2_journal_clear_err (journal_t *); extern int jbd2_journal_bmap(journal_t *, unsigned long, unsigned long long *); extern int jbd2_journal_force_commit(journal_t *); +extern int jbd2_journal_force_commit_nested(journal_t *); extern int jbd2_journal_file_inode(handle_t *handle, struct jbd2_inode *inode); extern int jbd2_journal_begin_ordered_truncate(journal_t *journal, struct jbd2_inode *inode, loff_t new_size); @@ -1178,8 +1209,10 @@ extern int jbd2_journal_init_revoke_caches(void); extern void jbd2_journal_destroy_revoke(journal_t *); extern int jbd2_journal_revoke (handle_t *, unsigned long long, struct buffer_head *); extern int jbd2_journal_cancel_revoke(handle_t *, struct journal_head *); -extern void jbd2_journal_write_revoke_records(journal_t *, - transaction_t *, int); +extern void jbd2_journal_write_revoke_records(journal_t *journal, + transaction_t *transaction, + struct list_head *log_bufs, + int write_op); /* Recovery revoke support */ extern int jbd2_journal_set_revoke(journal_t *, unsigned long long, tid_t); @@ -1195,11 +1228,9 @@ extern void jbd2_clear_buffer_revoked_flags(journal_t *journal); * transitions on demand. */ -int __jbd2_log_space_left(journal_t *); /* Called with journal locked */ int jbd2_log_start_commit(journal_t *journal, tid_t tid); int __jbd2_log_start_commit(journal_t *journal, tid_t tid); int jbd2_journal_start_commit(journal_t *journal, tid_t *tid); -int jbd2_journal_force_commit_nested(journal_t *journal); int jbd2_log_wait_commit(journal_t *journal, tid_t tid); int jbd2_complete_transaction(journal_t *journal, tid_t tid); int jbd2_log_do_checkpoint(journal_t *journal); @@ -1235,7 +1266,7 @@ static inline int is_journal_aborted(journal_t *journal) static inline int is_handle_aborted(handle_t *handle) { - if (handle->h_aborted) + if (handle->h_aborted || !handle->h_transaction) return 1; return is_journal_aborted(handle->h_transaction->t_journal); } @@ -1266,16 +1297,37 @@ extern int jbd2_journal_blocks_per_page(struct inode *inode); extern size_t journal_tag_bytes(journal_t *journal); /* + * We reserve t_outstanding_credits >> JBD2_CONTROL_BLOCKS_SHIFT for + * transaction control blocks. + */ +#define JBD2_CONTROL_BLOCKS_SHIFT 5 + +/* * Return the minimum number of blocks which must be free in the journal * before a new transaction may be started. Must be called under j_state_lock. */ -static inline int jbd_space_needed(journal_t *journal) +static inline int jbd2_space_needed(journal_t *journal) { int nblocks = journal->j_max_transaction_buffers; - if (journal->j_committing_transaction) - nblocks += atomic_read(&journal->j_committing_transaction-> - t_outstanding_credits); - return nblocks; + return nblocks + (nblocks >> JBD2_CONTROL_BLOCKS_SHIFT); +} + +/* + * Return number of free blocks in the log. Must be called under j_state_lock. + */ +static inline unsigned long jbd2_log_space_left(journal_t *journal) +{ + /* Allow for rounding errors */ + unsigned long free = journal->j_free - 32; + + if (journal->j_committing_transaction) { + unsigned long committing = atomic_read(&journal-> + j_committing_transaction->t_outstanding_credits); + + /* Transaction + control blocks */ + free -= committing + (committing >> JBD2_CONTROL_BLOCKS_SHIFT); + } + return free; } /* @@ -1286,11 +1338,9 @@ static inline int jbd_space_needed(journal_t *journal) #define BJ_None 0 /* Not journaled */ #define BJ_Metadata 1 /* Normal journaled metadata */ #define BJ_Forget 2 /* Buffer superseded by this transaction */ -#define BJ_IO 3 /* Buffer is for temporary IO use */ -#define BJ_Shadow 4 /* Buffer contents being shadowed to the log */ -#define BJ_LogCtl 5 /* Buffer contains log descriptors */ -#define BJ_Reserved 6 /* Buffer is reserved for access by journal */ -#define BJ_Types 7 +#define BJ_Shadow 3 /* Buffer contents being shadowed to the log */ +#define BJ_Reserved 4 /* Buffer is reserved for access by journal */ +#define BJ_Types 5 extern int jbd_blocks_per_page(struct inode *inode); @@ -1319,6 +1369,19 @@ static inline u32 jbd2_chksum(journal_t *journal, u32 crc, return *(u32 *)desc.ctx; } +/* Return most recent uncommitted transaction */ +static inline tid_t jbd2_get_latest_transaction(journal_t *journal) +{ + tid_t tid; + + read_lock(&journal->j_state_lock); + tid = journal->j_commit_request; + if (journal->j_running_transaction) + tid = journal->j_running_transaction->t_tid; + read_unlock(&journal->j_state_lock); + return tid; +} + #ifdef __KERNEL__ #define buffer_trace_init(bh) do {} while (0) diff --git a/include/linux/jbd_common.h b/include/linux/jbd_common.h index 6133679bc4c0..3dc53432355f 100644 --- a/include/linux/jbd_common.h +++ b/include/linux/jbd_common.h @@ -1,31 +1,7 @@ #ifndef _LINUX_JBD_STATE_H #define _LINUX_JBD_STATE_H -enum jbd_state_bits { - BH_JBD /* Has an attached ext3 journal_head */ - = BH_PrivateStart, - BH_JWrite, /* Being written to log (@@@ DEBUGGING) */ - BH_Freed, /* Has been freed (truncated) */ - BH_Revoked, /* Has been revoked from the log */ - BH_RevokeValid, /* Revoked flag is valid */ - BH_JBDDirty, /* Is dirty but journaled */ - BH_State, /* Pins most journal_head state */ - BH_JournalHead, /* Pins bh->b_private and jh->b_bh */ - BH_Unshadow, /* Dummy bit, for BJ_Shadow wakeup filtering */ - BH_Verified, /* Metadata block has been verified ok */ - BH_JBDPrivateStart, /* First bit available for private use by FS */ -}; - -BUFFER_FNS(JBD, jbd) -BUFFER_FNS(JWrite, jwrite) -BUFFER_FNS(JBDDirty, jbddirty) -TAS_BUFFER_FNS(JBDDirty, jbddirty) -BUFFER_FNS(Revoked, revoked) -TAS_BUFFER_FNS(Revoked, revoked) -BUFFER_FNS(RevokeValid, revokevalid) -TAS_BUFFER_FNS(RevokeValid, revokevalid) -BUFFER_FNS(Freed, freed) -BUFFER_FNS(Verified, verified) +#include <linux/bit_spinlock.h> static inline struct buffer_head *jh2bh(struct journal_head *jh) { diff --git a/include/linux/mm.h b/include/linux/mm.h index e0c8528a41a4..66d881f1d576 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -1041,7 +1041,8 @@ int get_kernel_page(unsigned long start, int write, struct page **pages); struct page *get_dump_page(unsigned long addr); extern int try_to_release_page(struct page * page, gfp_t gfp_mask); -extern void do_invalidatepage(struct page *page, unsigned long offset); +extern void do_invalidatepage(struct page *page, unsigned int offset, + unsigned int length); int __set_page_dirty_nobuffers(struct page *page); int __set_page_dirty_no_writeback(struct page *page); diff --git a/include/trace/events/ext3.h b/include/trace/events/ext3.h index 15d11a39be47..6797b9de90ed 100644 --- a/include/trace/events/ext3.h +++ b/include/trace/events/ext3.h @@ -290,13 +290,14 @@ DEFINE_EVENT(ext3__page_op, ext3_releasepage, ); TRACE_EVENT(ext3_invalidatepage, - TP_PROTO(struct page *page, unsigned long offset), + TP_PROTO(struct page *page, unsigned int offset, unsigned int length), - TP_ARGS(page, offset), + TP_ARGS(page, offset, length), TP_STRUCT__entry( __field( pgoff_t, index ) - __field( unsigned long, offset ) + __field( unsigned int, offset ) + __field( unsigned int, length ) __field( ino_t, ino ) __field( dev_t, dev ) @@ -305,14 +306,15 @@ TRACE_EVENT(ext3_invalidatepage, TP_fast_assign( __entry->index = page->index; __entry->offset = offset; + __entry->length = length; __entry->ino = page->mapping->host->i_ino; __entry->dev = page->mapping->host->i_sb->s_dev; ), - TP_printk("dev %d,%d ino %lu page_index %lu offset %lu", + TP_printk("dev %d,%d ino %lu page_index %lu offset %u length %u", MAJOR(__entry->dev), MINOR(__entry->dev), (unsigned long) __entry->ino, - __entry->index, __entry->offset) + __entry->index, __entry->offset, __entry->length) ); TRACE_EVENT(ext3_discard_blocks, diff --git a/include/trace/events/ext4.h b/include/trace/events/ext4.h index 8ee15b97cd38..2068db241f22 100644 --- a/include/trace/events/ext4.h +++ b/include/trace/events/ext4.h @@ -19,6 +19,57 @@ struct extent_status; #define EXT4_I(inode) (container_of(inode, struct ext4_inode_info, vfs_inode)) +#define show_mballoc_flags(flags) __print_flags(flags, "|", \ + { EXT4_MB_HINT_MERGE, "HINT_MERGE" }, \ + { EXT4_MB_HINT_RESERVED, "HINT_RESV" }, \ + { EXT4_MB_HINT_METADATA, "HINT_MDATA" }, \ + { EXT4_MB_HINT_FIRST, "HINT_FIRST" }, \ + { EXT4_MB_HINT_BEST, "HINT_BEST" }, \ + { EXT4_MB_HINT_DATA, "HINT_DATA" }, \ + { EXT4_MB_HINT_NOPREALLOC, "HINT_NOPREALLOC" }, \ + { EXT4_MB_HINT_GROUP_ALLOC, "HINT_GRP_ALLOC" }, \ + { EXT4_MB_HINT_GOAL_ONLY, "HINT_GOAL_ONLY" }, \ + { EXT4_MB_HINT_TRY_GOAL, "HINT_TRY_GOAL" }, \ + { EXT4_MB_DELALLOC_RESERVED, "DELALLOC_RESV" }, \ + { EXT4_MB_STREAM_ALLOC, "STREAM_ALLOC" }, \ + { EXT4_MB_USE_ROOT_BLOCKS, "USE_ROOT_BLKS" }, \ + { EXT4_MB_USE_RESERVED, "USE_RESV" }) + +#define show_map_flags(flags) __print_flags(flags, "|", \ + { EXT4_GET_BLOCKS_CREATE, "CREATE" }, \ + { EXT4_GET_BLOCKS_UNINIT_EXT, "UNINIT" }, \ + { EXT4_GET_BLOCKS_DELALLOC_RESERVE, "DELALLOC" }, \ + { EXT4_GET_BLOCKS_PRE_IO, "PRE_IO" }, \ + { EXT4_GET_BLOCKS_CONVERT, "CONVERT" }, \ + { EXT4_GET_BLOCKS_METADATA_NOFAIL, "METADATA_NOFAIL" }, \ + { EXT4_GET_BLOCKS_NO_NORMALIZE, "NO_NORMALIZE" }, \ + { EXT4_GET_BLOCKS_KEEP_SIZE, "KEEP_SIZE" }, \ + { EXT4_GET_BLOCKS_NO_LOCK, "NO_LOCK" }, \ + { EXT4_GET_BLOCKS_NO_PUT_HOLE, "NO_PUT_HOLE" }) + +#define show_mflags(flags) __print_flags(flags, "", \ + { EXT4_MAP_NEW, "N" }, \ + { EXT4_MAP_MAPPED, "M" }, \ + { EXT4_MAP_UNWRITTEN, "U" }, \ + { EXT4_MAP_BOUNDARY, "B" }, \ + { EXT4_MAP_UNINIT, "u" }, \ + { EXT4_MAP_FROM_CLUSTER, "C" }) + +#define show_free_flags(flags) __print_flags(flags, "|", \ + { EXT4_FREE_BLOCKS_METADATA, "METADATA" }, \ + { EXT4_FREE_BLOCKS_FORGET, "FORGET" }, \ + { EXT4_FREE_BLOCKS_VALIDATED, "VALIDATED" }, \ + { EXT4_FREE_BLOCKS_NO_QUOT_UPDATE, "NO_QUOTA" }, \ + { EXT4_FREE_BLOCKS_NOFREE_FIRST_CLUSTER,"1ST_CLUSTER" },\ + { EXT4_FREE_BLOCKS_NOFREE_LAST_CLUSTER, "LAST_CLUSTER" }) + +#define show_extent_status(status) __print_flags(status, "", \ + { (1 << 3), "W" }, \ + { (1 << 2), "U" }, \ + { (1 << 1), "D" }, \ + { (1 << 0), "H" }) + + TRACE_EVENT(ext4_free_inode, TP_PROTO(struct inode *inode), @@ -281,7 +332,7 @@ DEFINE_EVENT(ext4__write_end, ext4_da_write_end, TP_ARGS(inode, pos, len, copied) ); -TRACE_EVENT(ext4_da_writepages, +TRACE_EVENT(ext4_writepages, TP_PROTO(struct inode *inode, struct writeback_control *wbc), TP_ARGS(inode, wbc), @@ -324,46 +375,62 @@ TRACE_EVENT(ext4_da_writepages, ); TRACE_EVENT(ext4_da_write_pages, - TP_PROTO(struct inode *inode, struct mpage_da_data *mpd), + TP_PROTO(struct inode *inode, pgoff_t first_page, + struct writeback_control *wbc), - TP_ARGS(inode, mpd), + TP_ARGS(inode, first_page, wbc), TP_STRUCT__entry( __field( dev_t, dev ) __field( ino_t, ino ) - __field( __u64, b_blocknr ) - __field( __u32, b_size ) - __field( __u32, b_state ) - __field( unsigned long, first_page ) - __field( int, io_done ) - __field( int, pages_written ) - __field( int, sync_mode ) + __field( pgoff_t, first_page ) + __field( long, nr_to_write ) + __field( int, sync_mode ) ), TP_fast_assign( __entry->dev = inode->i_sb->s_dev; __entry->ino = inode->i_ino; - __entry->b_blocknr = mpd->b_blocknr; - __entry->b_size = mpd->b_size; - __entry->b_state = mpd->b_state; - __entry->first_page = mpd->first_page; - __entry->io_done = mpd->io_done; - __entry->pages_written = mpd->pages_written; - __entry->sync_mode = mpd->wbc->sync_mode; + __entry->first_page = first_page; + __entry->nr_to_write = wbc->nr_to_write; + __entry->sync_mode = wbc->sync_mode; ), - TP_printk("dev %d,%d ino %lu b_blocknr %llu b_size %u b_state 0x%04x " - "first_page %lu io_done %d pages_written %d sync_mode %d", + TP_printk("dev %d,%d ino %lu first_page %lu nr_to_write %ld " + "sync_mode %d", MAJOR(__entry->dev), MINOR(__entry->dev), - (unsigned long) __entry->ino, - __entry->b_blocknr, __entry->b_size, - __entry->b_state, __entry->first_page, - __entry->io_done, __entry->pages_written, - __entry->sync_mode - ) + (unsigned long) __entry->ino, __entry->first_page, + __entry->nr_to_write, __entry->sync_mode) ); -TRACE_EVENT(ext4_da_writepages_result, +TRACE_EVENT(ext4_da_write_pages_extent, + TP_PROTO(struct inode *inode, struct ext4_map_blocks *map), + + TP_ARGS(inode, map), + + TP_STRUCT__entry( + __field( dev_t, dev ) + __field( ino_t, ino ) + __field( __u64, lblk ) + __field( __u32, len ) + __field( __u32, flags ) + ), + + TP_fast_assign( + __entry->dev = inode->i_sb->s_dev; + __entry->ino = inode->i_ino; + __entry->lblk = map->m_lblk; + __entry->len = map->m_len; + __entry->flags = map->m_flags; + ), + + TP_printk("dev %d,%d ino %lu lblk %llu len %u flags %s", + MAJOR(__entry->dev), MINOR(__entry->dev), + (unsigned long) __entry->ino, __entry->lblk, __entry->len, + show_mflags(__entry->flags)) +); + +TRACE_EVENT(ext4_writepages_result, TP_PROTO(struct inode *inode, struct writeback_control *wbc, int ret, int pages_written), @@ -444,16 +511,16 @@ DEFINE_EVENT(ext4__page_op, ext4_releasepage, ); DECLARE_EVENT_CLASS(ext4_invalidatepage_op, - TP_PROTO(struct page *page, unsigned long offset), + TP_PROTO(struct page *page, unsigned int offset, unsigned int length), - TP_ARGS(page, offset), + TP_ARGS(page, offset, length), TP_STRUCT__entry( __field( dev_t, dev ) __field( ino_t, ino ) __field( pgoff_t, index ) - __field( unsigned long, offset ) - + __field( unsigned int, offset ) + __field( unsigned int, length ) ), TP_fast_assign( @@ -461,24 +528,26 @@ DECLARE_EVENT_CLASS(ext4_invalidatepage_op, __entry->ino = page->mapping->host->i_ino; __entry->index = page->index; __entry->offset = offset; + __entry->length = length; ), - TP_printk("dev %d,%d ino %lu page_index %lu offset %lu", + TP_printk("dev %d,%d ino %lu page_index %lu offset %u length %u", MAJOR(__entry->dev), MINOR(__entry->dev), (unsigned long) __entry->ino, - (unsigned long) __entry->index, __entry->offset) + (unsigned long) __entry->index, + __entry->offset, __entry->length) ); DEFINE_EVENT(ext4_invalidatepage_op, ext4_invalidatepage, - TP_PROTO(struct page *page, unsigned long offset), + TP_PROTO(struct page *page, unsigned int offset, unsigned int length), - TP_ARGS(page, offset) + TP_ARGS(page, offset, length) ); DEFINE_EVENT(ext4_invalidatepage_op, ext4_journalled_invalidatepage, - TP_PROTO(struct page *page, unsigned long offset), + TP_PROTO(struct page *page, unsigned int offset, unsigned int length), - TP_ARGS(page, offset) + TP_ARGS(page, offset, length) ); TRACE_EVENT(ext4_discard_blocks, @@ -673,10 +742,10 @@ TRACE_EVENT(ext4_request_blocks, __entry->flags = ar->flags; ), - TP_printk("dev %d,%d ino %lu flags %u len %u lblk %u goal %llu " + TP_printk("dev %d,%d ino %lu flags %s len %u lblk %u goal %llu " "lleft %u lright %u pleft %llu pright %llu ", MAJOR(__entry->dev), MINOR(__entry->dev), - (unsigned long) __entry->ino, __entry->flags, + (unsigned long) __entry->ino, show_mballoc_flags(__entry->flags), __entry->len, __entry->logical, __entry->goal, __entry->lleft, __entry->lright, __entry->pleft, __entry->pright) @@ -715,10 +784,10 @@ TRACE_EVENT(ext4_allocate_blocks, __entry->flags = ar->flags; ), - TP_printk("dev %d,%d ino %lu flags %u len %u block %llu lblk %u " + TP_printk("dev %d,%d ino %lu flags %s len %u block %llu lblk %u " "goal %llu lleft %u lright %u pleft %llu pright %llu", MAJOR(__entry->dev), MINOR(__entry->dev), - (unsigned long) __entry->ino, __entry->flags, + (unsigned long) __entry->ino, show_mballoc_flags(__entry->flags), __entry->len, __entry->block, __entry->logical, __entry->goal, __entry->lleft, __entry->lright, __entry->pleft, __entry->pright) @@ -748,11 +817,11 @@ TRACE_EVENT(ext4_free_blocks, __entry->mode = inode->i_mode; ), - TP_printk("dev %d,%d ino %lu mode 0%o block %llu count %lu flags %d", + TP_printk("dev %d,%d ino %lu mode 0%o block %llu count %lu flags %s", MAJOR(__entry->dev), MINOR(__entry->dev), (unsigned long) __entry->ino, __entry->mode, __entry->block, __entry->count, - __entry->flags) + show_free_flags(__entry->flags)) ); TRACE_EVENT(ext4_sync_file_enter, @@ -903,7 +972,7 @@ TRACE_EVENT(ext4_mballoc_alloc, ), TP_printk("dev %d,%d inode %lu orig %u/%d/%u@%u goal %u/%d/%u@%u " - "result %u/%d/%u@%u blks %u grps %u cr %u flags 0x%04x " + "result %u/%d/%u@%u blks %u grps %u cr %u flags %s " "tail %u broken %u", MAJOR(__entry->dev), MINOR(__entry->dev), (unsigned long) __entry->ino, @@ -914,7 +983,7 @@ TRACE_EVENT(ext4_mballoc_alloc, __entry->result_group, __entry->result_start, __entry->result_len, __entry->result_logical, __entry->found, __entry->groups, __entry->cr, - __entry->flags, __entry->tail, + show_mballoc_flags(__entry->flags), __entry->tail, __entry->buddy ? 1 << __entry->buddy : 0) ); @@ -1528,10 +1597,10 @@ DECLARE_EVENT_CLASS(ext4__map_blocks_enter, __entry->flags = flags; ), - TP_printk("dev %d,%d ino %lu lblk %u len %u flags %u", + TP_printk("dev %d,%d ino %lu lblk %u len %u flags %s", MAJOR(__entry->dev), MINOR(__entry->dev), (unsigned long) __entry->ino, - __entry->lblk, __entry->len, __entry->flags) + __entry->lblk, __entry->len, show_map_flags(__entry->flags)) ); DEFINE_EVENT(ext4__map_blocks_enter, ext4_ext_map_blocks_enter, @@ -1549,47 +1618,53 @@ DEFINE_EVENT(ext4__map_blocks_enter, ext4_ind_map_blocks_enter, ); DECLARE_EVENT_CLASS(ext4__map_blocks_exit, - TP_PROTO(struct inode *inode, struct ext4_map_blocks *map, int ret), + TP_PROTO(struct inode *inode, unsigned flags, struct ext4_map_blocks *map, + int ret), - TP_ARGS(inode, map, ret), + TP_ARGS(inode, flags, map, ret), TP_STRUCT__entry( __field( dev_t, dev ) __field( ino_t, ino ) + __field( unsigned int, flags ) __field( ext4_fsblk_t, pblk ) __field( ext4_lblk_t, lblk ) __field( unsigned int, len ) - __field( unsigned int, flags ) + __field( unsigned int, mflags ) __field( int, ret ) ), TP_fast_assign( __entry->dev = inode->i_sb->s_dev; __entry->ino = inode->i_ino; + __entry->flags = flags; __entry->pblk = map->m_pblk; __entry->lblk = map->m_lblk; __entry->len = map->m_len; - __entry->flags = map->m_flags; + __entry->mflags = map->m_flags; __entry->ret = ret; ), - TP_printk("dev %d,%d ino %lu lblk %u pblk %llu len %u flags %x ret %d", + TP_printk("dev %d,%d ino %lu flags %s lblk %u pblk %llu len %u " + "mflags %s ret %d", MAJOR(__entry->dev), MINOR(__entry->dev), (unsigned long) __entry->ino, - __entry->lblk, __entry->pblk, - __entry->len, __entry->flags, __entry->ret) + show_map_flags(__entry->flags), __entry->lblk, __entry->pblk, + __entry->len, show_mflags(__entry->mflags), __entry->ret) ); DEFINE_EVENT(ext4__map_blocks_exit, ext4_ext_map_blocks_exit, - TP_PROTO(struct inode *inode, struct ext4_map_blocks *map, int ret), + TP_PROTO(struct inode *inode, unsigned flags, + struct ext4_map_blocks *map, int ret), - TP_ARGS(inode, map, ret) + TP_ARGS(inode, flags, map, ret) ); DEFINE_EVENT(ext4__map_blocks_exit, ext4_ind_map_blocks_exit, - TP_PROTO(struct inode *inode, struct ext4_map_blocks *map, int ret), + TP_PROTO(struct inode *inode, unsigned flags, + struct ext4_map_blocks *map, int ret), - TP_ARGS(inode, map, ret) + TP_ARGS(inode, flags, map, ret) ); TRACE_EVENT(ext4_ext_load_extent, @@ -1638,25 +1713,50 @@ TRACE_EVENT(ext4_load_inode, ); TRACE_EVENT(ext4_journal_start, - TP_PROTO(struct super_block *sb, int nblocks, unsigned long IP), + TP_PROTO(struct super_block *sb, int blocks, int rsv_blocks, + unsigned long IP), - TP_ARGS(sb, nblocks, IP), + TP_ARGS(sb, blocks, rsv_blocks, IP), TP_STRUCT__entry( __field( dev_t, dev ) __field(unsigned long, ip ) - __field( int, nblocks ) + __field( int, blocks ) + __field( int, rsv_blocks ) ), TP_fast_assign( - __entry->dev = sb->s_dev; - __entry->ip = IP; - __entry->nblocks = nblocks; + __entry->dev = sb->s_dev; + __entry->ip = IP; + __entry->blocks = blocks; + __entry->rsv_blocks = rsv_blocks; ), - TP_printk("dev %d,%d nblocks %d caller %pF", + TP_printk("dev %d,%d blocks, %d rsv_blocks, %d caller %pF", MAJOR(__entry->dev), MINOR(__entry->dev), - __entry->nblocks, (void *)__entry->ip) + __entry->blocks, __entry->rsv_blocks, (void *)__entry->ip) +); + +TRACE_EVENT(ext4_journal_start_reserved, + TP_PROTO(struct super_block *sb, int blocks, unsigned long IP), + + TP_ARGS(sb, blocks, IP), + + TP_STRUCT__entry( + __field( dev_t, dev ) + __field(unsigned long, ip ) + __field( int, blocks ) + ), + + TP_fast_assign( + __entry->dev = sb->s_dev; + __entry->ip = IP; + __entry->blocks = blocks; + ), + + TP_printk("dev %d,%d blocks, %d caller %pF", + MAJOR(__entry->dev), MINOR(__entry->dev), + __entry->blocks, (void *)__entry->ip) ); DECLARE_EVENT_CLASS(ext4__trim, @@ -1736,12 +1836,12 @@ TRACE_EVENT(ext4_ext_handle_uninitialized_extents, __entry- |