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-rw-r--r--include/linux/reiserfs_fs_sb.h616
1 files changed, 306 insertions, 310 deletions
diff --git a/include/linux/reiserfs_fs_sb.h b/include/linux/reiserfs_fs_sb.h
index 31c709d0fe18..3e68592e52e9 100644
--- a/include/linux/reiserfs_fs_sb.h
+++ b/include/linux/reiserfs_fs_sb.h
@@ -10,7 +10,7 @@
#endif
typedef enum {
- reiserfs_attrs_cleared = 0x00000001,
+ reiserfs_attrs_cleared = 0x00000001,
} reiserfs_super_block_flags;
/* struct reiserfs_super_block accessors/mutators
@@ -61,7 +61,7 @@ typedef enum {
#define sb_umount_state(sbp) (le16_to_cpu((sbp)->s_v1.s_umount_state))
#define set_sb_umount_state(sbp,v) ((sbp)->s_v1.s_umount_state = cpu_to_le16(v))
#define sb_fs_state(sbp) (le16_to_cpu((sbp)->s_v1.s_fs_state))
-#define set_sb_fs_state(sbp,v) ((sbp)->s_v1.s_fs_state = cpu_to_le16(v))
+#define set_sb_fs_state(sbp,v) ((sbp)->s_v1.s_fs_state = cpu_to_le16(v))
#define sb_hash_function_code(sbp) \
(le32_to_cpu((sbp)->s_v1.s_hash_function_code))
#define set_sb_hash_function_code(sbp,v) \
@@ -103,10 +103,10 @@ typedef enum {
/* don't mess with these for a while */
/* we have a node size define somewhere in reiserfs_fs.h. -Hans */
-#define JOURNAL_BLOCK_SIZE 4096 /* BUG gotta get rid of this */
-#define JOURNAL_MAX_CNODE 1500 /* max cnodes to allocate. */
-#define JOURNAL_HASH_SIZE 8192
-#define JOURNAL_NUM_BITMAPS 5 /* number of copies of the bitmaps to have floating. Must be >= 2 */
+#define JOURNAL_BLOCK_SIZE 4096 /* BUG gotta get rid of this */
+#define JOURNAL_MAX_CNODE 1500 /* max cnodes to allocate. */
+#define JOURNAL_HASH_SIZE 8192
+#define JOURNAL_NUM_BITMAPS 5 /* number of copies of the bitmaps to have floating. Must be >= 2 */
/* One of these for every block in every transaction
** Each one is in two hash tables. First, a hash of the current transaction, and after journal_end, a
@@ -117,27 +117,27 @@ typedef enum {
** to a given transaction.
*/
struct reiserfs_journal_cnode {
- struct buffer_head *bh ; /* real buffer head */
- struct super_block *sb ; /* dev of real buffer head */
- __u32 blocknr ; /* block number of real buffer head, == 0 when buffer on disk */
- long state ;
- struct reiserfs_journal_list *jlist ; /* journal list this cnode lives in */
- struct reiserfs_journal_cnode *next ; /* next in transaction list */
- struct reiserfs_journal_cnode *prev ; /* prev in transaction list */
- struct reiserfs_journal_cnode *hprev ; /* prev in hash list */
- struct reiserfs_journal_cnode *hnext ; /* next in hash list */
+ struct buffer_head *bh; /* real buffer head */
+ struct super_block *sb; /* dev of real buffer head */
+ __u32 blocknr; /* block number of real buffer head, == 0 when buffer on disk */
+ long state;
+ struct reiserfs_journal_list *jlist; /* journal list this cnode lives in */
+ struct reiserfs_journal_cnode *next; /* next in transaction list */
+ struct reiserfs_journal_cnode *prev; /* prev in transaction list */
+ struct reiserfs_journal_cnode *hprev; /* prev in hash list */
+ struct reiserfs_journal_cnode *hnext; /* next in hash list */
};
struct reiserfs_bitmap_node {
- int id ;
- char *data ;
- struct list_head list ;
-} ;
+ int id;
+ char *data;
+ struct list_head list;
+};
struct reiserfs_list_bitmap {
- struct reiserfs_journal_list *journal_list ;
- struct reiserfs_bitmap_node **bitmaps ;
-} ;
+ struct reiserfs_journal_list *journal_list;
+ struct reiserfs_bitmap_node **bitmaps;
+};
/*
** one of these for each transaction. The most important part here is the j_realblock.
@@ -146,273 +146,269 @@ struct reiserfs_list_bitmap {
** and to make sure every real block in a transaction is on disk before allowing the log area
** to be overwritten */
struct reiserfs_journal_list {
- unsigned long j_start ;
- unsigned long j_state;
- unsigned long j_len ;
- atomic_t j_nonzerolen ;
- atomic_t j_commit_left ;
- atomic_t j_older_commits_done ; /* all commits older than this on disk*/
- struct semaphore j_commit_lock;
- unsigned long j_trans_id ;
- time_t j_timestamp ;
- struct reiserfs_list_bitmap *j_list_bitmap ;
- struct buffer_head *j_commit_bh ; /* commit buffer head */
- struct reiserfs_journal_cnode *j_realblock ;
- struct reiserfs_journal_cnode *j_freedlist ; /* list of buffers that were freed during this trans. free each of these on flush */
- /* time ordered list of all active transactions */
- struct list_head j_list;
-
- /* time ordered list of all transactions we haven't tried to flush yet */
- struct list_head j_working_list;
-
- /* list of tail conversion targets in need of flush before commit */
- struct list_head j_tail_bh_list;
- /* list of data=ordered buffers in need of flush before commit */
- struct list_head j_bh_list;
- int j_refcount;
-} ;
+ unsigned long j_start;
+ unsigned long j_state;
+ unsigned long j_len;
+ atomic_t j_nonzerolen;
+ atomic_t j_commit_left;
+ atomic_t j_older_commits_done; /* all commits older than this on disk */
+ struct semaphore j_commit_lock;
+ unsigned long j_trans_id;
+ time_t j_timestamp;
+ struct reiserfs_list_bitmap *j_list_bitmap;
+ struct buffer_head *j_commit_bh; /* commit buffer head */
+ struct reiserfs_journal_cnode *j_realblock;
+ struct reiserfs_journal_cnode *j_freedlist; /* list of buffers that were freed during this trans. free each of these on flush */
+ /* time ordered list of all active transactions */
+ struct list_head j_list;
+
+ /* time ordered list of all transactions we haven't tried to flush yet */
+ struct list_head j_working_list;
+
+ /* list of tail conversion targets in need of flush before commit */
+ struct list_head j_tail_bh_list;
+ /* list of data=ordered buffers in need of flush before commit */
+ struct list_head j_bh_list;
+ int j_refcount;
+};
struct reiserfs_journal {
- struct buffer_head ** j_ap_blocks ; /* journal blocks on disk */
- struct reiserfs_journal_cnode *j_last ; /* newest journal block */
- struct reiserfs_journal_cnode *j_first ; /* oldest journal block. start here for traverse */
-
- struct file *j_dev_file;
- struct block_device *j_dev_bd;
- int j_1st_reserved_block; /* first block on s_dev of reserved area journal */
-
- long j_state ;
- unsigned long j_trans_id ;
- unsigned long j_mount_id ;
- unsigned long j_start ; /* start of current waiting commit (index into j_ap_blocks) */
- unsigned long j_len ; /* lenght of current waiting commit */
- unsigned long j_len_alloc ; /* number of buffers requested by journal_begin() */
- atomic_t j_wcount ; /* count of writers for current commit */
- unsigned long j_bcount ; /* batch count. allows turning X transactions into 1 */
- unsigned long j_first_unflushed_offset ; /* first unflushed transactions offset */
- unsigned long j_last_flush_trans_id ; /* last fully flushed journal timestamp */
- struct buffer_head *j_header_bh ;
-
- time_t j_trans_start_time ; /* time this transaction started */
- struct semaphore j_lock;
- struct semaphore j_flush_sem;
- wait_queue_head_t j_join_wait ; /* wait for current transaction to finish before starting new one */
- atomic_t j_jlock ; /* lock for j_join_wait */
- int j_list_bitmap_index ; /* number of next list bitmap to use */
- int j_must_wait ; /* no more journal begins allowed. MUST sleep on j_join_wait */
- int j_next_full_flush ; /* next journal_end will flush all journal list */
- int j_next_async_flush ; /* next journal_end will flush all async commits */
-
- int j_cnode_used ; /* number of cnodes on the used list */
- int j_cnode_free ; /* number of cnodes on the free list */
-
- unsigned int j_trans_max ; /* max number of blocks in a transaction. */
- unsigned int j_max_batch ; /* max number of blocks to batch into a trans */
- unsigned int j_max_commit_age ; /* in seconds, how old can an async commit be */
- unsigned int j_max_trans_age ; /* in seconds, how old can a transaction be */
- unsigned int j_default_max_commit_age ; /* the default for the max commit age */
-
- struct reiserfs_journal_cnode *j_cnode_free_list ;
- struct reiserfs_journal_cnode *j_cnode_free_orig ; /* orig pointer returned from vmalloc */
-
- struct reiserfs_journal_list *j_current_jl;
- int j_free_bitmap_nodes ;
- int j_used_bitmap_nodes ;
-
- int j_num_lists; /* total number of active transactions */
- int j_num_work_lists; /* number that need attention from kreiserfsd */
-
- /* debugging to make sure things are flushed in order */
- int j_last_flush_id;
-
- /* debugging to make sure things are committed in order */
- int j_last_commit_id;
-
- struct list_head j_bitmap_nodes ;
- struct list_head j_dirty_buffers ;
- spinlock_t j_dirty_buffers_lock ; /* protects j_dirty_buffers */
-
- /* list of all active transactions */
- struct list_head j_journal_list;
- /* lists that haven't been touched by writeback attempts */
- struct list_head j_working_list;
-
- struct reiserfs_list_bitmap j_list_bitmap[JOURNAL_NUM_BITMAPS] ; /* array of bitmaps to record the deleted blocks */
- struct reiserfs_journal_cnode *j_hash_table[JOURNAL_HASH_SIZE] ; /* hash table for real buffer heads in current trans */
- struct reiserfs_journal_cnode *j_list_hash_table[JOURNAL_HASH_SIZE] ; /* hash table for all the real buffer heads in all
- the transactions */
- struct list_head j_prealloc_list; /* list of inodes which have preallocated blocks */
- int j_persistent_trans;
- unsigned long j_max_trans_size ;
- unsigned long j_max_batch_size ;
-
- int j_errno;
-
- /* when flushing ordered buffers, throttle new ordered writers */
- struct work_struct j_work;
- atomic_t j_async_throttle;
+ struct buffer_head **j_ap_blocks; /* journal blocks on disk */
+ struct reiserfs_journal_cnode *j_last; /* newest journal block */
+ struct reiserfs_journal_cnode *j_first; /* oldest journal block. start here for traverse */
+
+ struct file *j_dev_file;
+ struct block_device *j_dev_bd;
+ int j_1st_reserved_block; /* first block on s_dev of reserved area journal */
+
+ long j_state;
+ unsigned long j_trans_id;
+ unsigned long j_mount_id;
+ unsigned long j_start; /* start of current waiting commit (index into j_ap_blocks) */
+ unsigned long j_len; /* lenght of current waiting commit */
+ unsigned long j_len_alloc; /* number of buffers requested by journal_begin() */
+ atomic_t j_wcount; /* count of writers for current commit */
+ unsigned long j_bcount; /* batch count. allows turning X transactions into 1 */
+ unsigned long j_first_unflushed_offset; /* first unflushed transactions offset */
+ unsigned long j_last_flush_trans_id; /* last fully flushed journal timestamp */
+ struct buffer_head *j_header_bh;
+
+ time_t j_trans_start_time; /* time this transaction started */
+ struct semaphore j_lock;
+ struct semaphore j_flush_sem;
+ wait_queue_head_t j_join_wait; /* wait for current transaction to finish before starting new one */
+ atomic_t j_jlock; /* lock for j_join_wait */
+ int j_list_bitmap_index; /* number of next list bitmap to use */
+ int j_must_wait; /* no more journal begins allowed. MUST sleep on j_join_wait */
+ int j_next_full_flush; /* next journal_end will flush all journal list */
+ int j_next_async_flush; /* next journal_end will flush all async commits */
+
+ int j_cnode_used; /* number of cnodes on the used list */
+ int j_cnode_free; /* number of cnodes on the free list */
+
+ unsigned int j_trans_max; /* max number of blocks in a transaction. */
+ unsigned int j_max_batch; /* max number of blocks to batch into a trans */
+ unsigned int j_max_commit_age; /* in seconds, how old can an async commit be */
+ unsigned int j_max_trans_age; /* in seconds, how old can a transaction be */
+ unsigned int j_default_max_commit_age; /* the default for the max commit age */
+
+ struct reiserfs_journal_cnode *j_cnode_free_list;
+ struct reiserfs_journal_cnode *j_cnode_free_orig; /* orig pointer returned from vmalloc */
+
+ struct reiserfs_journal_list *j_current_jl;
+ int j_free_bitmap_nodes;
+ int j_used_bitmap_nodes;
+
+ int j_num_lists; /* total number of active transactions */
+ int j_num_work_lists; /* number that need attention from kreiserfsd */
+
+ /* debugging to make sure things are flushed in order */
+ int j_last_flush_id;
+
+ /* debugging to make sure things are committed in order */
+ int j_last_commit_id;
+
+ struct list_head j_bitmap_nodes;
+ struct list_head j_dirty_buffers;
+ spinlock_t j_dirty_buffers_lock; /* protects j_dirty_buffers */
+
+ /* list of all active transactions */
+ struct list_head j_journal_list;
+ /* lists that haven't been touched by writeback attempts */
+ struct list_head j_working_list;
+
+ struct reiserfs_list_bitmap j_list_bitmap[JOURNAL_NUM_BITMAPS]; /* array of bitmaps to record the deleted blocks */
+ struct reiserfs_journal_cnode *j_hash_table[JOURNAL_HASH_SIZE]; /* hash table for real buffer heads in current trans */
+ struct reiserfs_journal_cnode *j_list_hash_table[JOURNAL_HASH_SIZE]; /* hash table for all the real buffer heads in all
+ the transactions */
+ struct list_head j_prealloc_list; /* list of inodes which have preallocated blocks */
+ int j_persistent_trans;
+ unsigned long j_max_trans_size;
+ unsigned long j_max_batch_size;
+
+ int j_errno;
+
+ /* when flushing ordered buffers, throttle new ordered writers */
+ struct work_struct j_work;
+ atomic_t j_async_throttle;
};
enum journal_state_bits {
- J_WRITERS_BLOCKED = 1, /* set when new writers not allowed */
- J_WRITERS_QUEUED, /* set when log is full due to too many writers */
- J_ABORTED, /* set when log is aborted */
+ J_WRITERS_BLOCKED = 1, /* set when new writers not allowed */
+ J_WRITERS_QUEUED, /* set when log is full due to too many writers */
+ J_ABORTED, /* set when log is aborted */
};
+#define JOURNAL_DESC_MAGIC "ReIsErLB" /* ick. magic string to find desc blocks in the journal */
-#define JOURNAL_DESC_MAGIC "ReIsErLB" /* ick. magic string to find desc blocks in the journal */
+typedef __u32(*hashf_t) (const signed char *, int);
-typedef __u32 (*hashf_t) (const signed char *, int);
-
-struct reiserfs_bitmap_info
-{
- // FIXME: Won't work with block sizes > 8K
- __u16 first_zero_hint;
- __u16 free_count;
- struct buffer_head *bh; /* the actual bitmap */
+struct reiserfs_bitmap_info {
+ // FIXME: Won't work with block sizes > 8K
+ __u16 first_zero_hint;
+ __u16 free_count;
+ struct buffer_head *bh; /* the actual bitmap */
};
struct proc_dir_entry;
#if defined( CONFIG_PROC_FS ) && defined( CONFIG_REISERFS_PROC_INFO )
typedef unsigned long int stat_cnt_t;
-typedef struct reiserfs_proc_info_data
-{
- spinlock_t lock;
- int exiting;
- int max_hash_collisions;
-
- stat_cnt_t breads;
- stat_cnt_t bread_miss;
- stat_cnt_t search_by_key;
- stat_cnt_t search_by_key_fs_changed;
- stat_cnt_t search_by_key_restarted;
-
- stat_cnt_t insert_item_restarted;
- stat_cnt_t paste_into_item_restarted;
- stat_cnt_t cut_from_item_restarted;
- stat_cnt_t delete_solid_item_restarted;
- stat_cnt_t delete_item_restarted;
-
- stat_cnt_t leaked_oid;
- stat_cnt_t leaves_removable;
-
- /* balances per level. Use explicit 5 as MAX_HEIGHT is not visible yet. */
- stat_cnt_t balance_at[ 5 ]; /* XXX */
- /* sbk == search_by_key */
- stat_cnt_t sbk_read_at[ 5 ]; /* XXX */
- stat_cnt_t sbk_fs_changed[ 5 ];
- stat_cnt_t sbk_restarted[ 5 ];
- stat_cnt_t items_at[ 5 ]; /* XXX */
- stat_cnt_t free_at[ 5 ]; /* XXX */
- stat_cnt_t can_node_be_removed[ 5 ]; /* XXX */
- long int lnum[ 5 ]; /* XXX */
- long int rnum[ 5 ]; /* XXX */
- long int lbytes[ 5 ]; /* XXX */
- long int rbytes[ 5 ]; /* XXX */
- stat_cnt_t get_neighbors[ 5 ];
- stat_cnt_t get_neighbors_restart[ 5 ];
- stat_cnt_t need_l_neighbor[ 5 ];
- stat_cnt_t need_r_neighbor[ 5 ];
-
- stat_cnt_t free_block;
- struct __scan_bitmap_stats {
- stat_cnt_t call;
- stat_cnt_t wait;
- stat_cnt_t bmap;
- stat_cnt_t retry;
- stat_cnt_t in_journal_hint;
- stat_cnt_t in_journal_nohint;
- stat_cnt_t stolen;
- } scan_bitmap;
- struct __journal_stats {
- stat_cnt_t in_journal;
- stat_cnt_t in_journal_bitmap;
- stat_cnt_t in_journal_reusable;
- stat_cnt_t lock_journal;
- stat_cnt_t lock_journal_wait;
- stat_cnt_t journal_being;
- stat_cnt_t journal_relock_writers;
- stat_cnt_t journal_relock_wcount;
- stat_cnt_t mark_dirty;
- stat_cnt_t mark_dirty_already;
- stat_cnt_t mark_dirty_notjournal;
- stat_cnt_t restore_prepared;
- stat_cnt_t prepare;
- stat_cnt_t prepare_retry;
- } journal;
+typedef struct reiserfs_proc_info_data {
+ spinlock_t lock;
+ int exiting;
+ int max_hash_collisions;
+
+ stat_cnt_t breads;
+ stat_cnt_t bread_miss;
+ stat_cnt_t search_by_key;
+ stat_cnt_t search_by_key_fs_changed;
+ stat_cnt_t search_by_key_restarted;
+
+ stat_cnt_t insert_item_restarted;
+ stat_cnt_t paste_into_item_restarted;
+ stat_cnt_t cut_from_item_restarted;
+ stat_cnt_t delete_solid_item_restarted;
+ stat_cnt_t delete_item_restarted;
+
+ stat_cnt_t leaked_oid;
+ stat_cnt_t leaves_removable;
+
+ /* balances per level. Use explicit 5 as MAX_HEIGHT is not visible yet. */
+ stat_cnt_t balance_at[5]; /* XXX */
+ /* sbk == search_by_key */
+ stat_cnt_t sbk_read_at[5]; /* XXX */
+ stat_cnt_t sbk_fs_changed[5];
+ stat_cnt_t sbk_restarted[5];
+ stat_cnt_t items_at[5]; /* XXX */
+ stat_cnt_t free_at[5]; /* XXX */
+ stat_cnt_t can_node_be_removed[5]; /* XXX */
+ long int lnum[5]; /* XXX */
+ long int rnum[5]; /* XXX */
+ long int lbytes[5]; /* XXX */
+ long int rbytes[5]; /* XXX */
+ stat_cnt_t get_neighbors[5];
+ stat_cnt_t get_neighbors_restart[5];
+ stat_cnt_t need_l_neighbor[5];
+ stat_cnt_t need_r_neighbor[5];
+
+ stat_cnt_t free_block;
+ struct __scan_bitmap_stats {
+ stat_cnt_t call;
+ stat_cnt_t wait;
+ stat_cnt_t bmap;
+ stat_cnt_t retry;
+ stat_cnt_t in_journal_hint;
+ stat_cnt_t in_journal_nohint;
+ stat_cnt_t stolen;
+ } scan_bitmap;
+ struct __journal_stats {
+ stat_cnt_t in_journal;
+ stat_cnt_t in_journal_bitmap;
+ stat_cnt_t in_journal_reusable;
+ stat_cnt_t lock_journal;
+ stat_cnt_t lock_journal_wait;
+ stat_cnt_t journal_being;
+ stat_cnt_t journal_relock_writers;
+ stat_cnt_t journal_relock_wcount;
+ stat_cnt_t mark_dirty;
+ stat_cnt_t mark_dirty_already;
+ stat_cnt_t mark_dirty_notjournal;
+ stat_cnt_t restore_prepared;
+ stat_cnt_t prepare;
+ stat_cnt_t prepare_retry;
+ } journal;
} reiserfs_proc_info_data_t;
#else
-typedef struct reiserfs_proc_info_data
-{} reiserfs_proc_info_data_t;
+typedef struct reiserfs_proc_info_data {
+} reiserfs_proc_info_data_t;
#endif
/* reiserfs union of in-core super block data */
-struct reiserfs_sb_info
-{
- struct buffer_head * s_sbh; /* Buffer containing the super block */
- /* both the comment and the choice of
- name are unclear for s_rs -Hans */
- struct reiserfs_super_block * s_rs; /* Pointer to the super block in the buffer */
- struct reiserfs_bitmap_info * s_ap_bitmap;
- struct reiserfs_journal *s_journal ; /* pointer to journal information */
- unsigned short s_mount_state; /* reiserfs state (valid, invalid) */
-
- /* Comment? -Hans */
- void (*end_io_handler)(struct buffer_head *, int);
- hashf_t s_hash_function; /* pointer to function which is used
- to sort names in directory. Set on
- mount */
- unsigned long s_mount_opt; /* reiserfs's mount options are set
- here (currently - NOTAIL, NOLOG,
- REPLAYONLY) */
-
- struct { /* This is a structure that describes block allocator options */
- unsigned long bits; /* Bitfield for enable/disable kind of options */
- unsigned long large_file_size; /* size started from which we consider file to be a large one(in blocks) */
- int border; /* percentage of disk, border takes */
- int preallocmin; /* Minimal file size (in blocks) starting from which we do preallocations */
- int preallocsize; /* Number of blocks we try to prealloc when file
- reaches preallocmin size (in blocks) or
- prealloc_list is empty. */
- } s_alloc_options;
-
- /* Comment? -Hans */
- wait_queue_head_t s_wait;
- /* To be obsoleted soon by per buffer seals.. -Hans */
- atomic_t s_generation_counter; // increased by one every time the
- // tree gets re-balanced
- unsigned long s_properties; /* File system properties. Currently holds
- on-disk FS format */
-
- /* session statistics */
- int s_kmallocs;
- int s_disk_reads;
- int s_disk_writes;
- int s_fix_nodes;
- int s_do_balance;
- int s_unneeded_left_neighbor;
- int s_good_search_by_key_reada;
- int s_bmaps;
- int s_bmaps_without_search;
- int s_direct2indirect;
- int s_indirect2direct;
+struct reiserfs_sb_info {
+ struct buffer_head *s_sbh; /* Buffer containing the super block */
+ /* both the comment and the choice of
+ name are unclear for s_rs -Hans */
+ struct reiserfs_super_block *s_rs; /* Pointer to the super block in the buffer */
+ struct reiserfs_bitmap_info *s_ap_bitmap;
+ struct reiserfs_journal *s_journal; /* pointer to journal information */
+ unsigned short s_mount_state; /* reiserfs state (valid, invalid) */
+
+ /* Comment? -Hans */
+ void (*end_io_handler) (struct buffer_head *, int);
+ hashf_t s_hash_function; /* pointer to function which is used
+ to sort names in directory. Set on
+ mount */
+ unsigned long s_mount_opt; /* reiserfs's mount options are set
+ here (currently - NOTAIL, NOLOG,
+ REPLAYONLY) */
+
+ struct { /* This is a structure that describes block allocator options */
+ unsigned long bits; /* Bitfield for enable/disable kind of options */
+ unsigned long large_file_size; /* size started from which we consider file to be a large one(in blocks) */
+ int border; /* percentage of disk, border takes */
+ int preallocmin; /* Minimal file size (in blocks) starting from which we do preallocations */
+ int preallocsize; /* Number of blocks we try to prealloc when file
+ reaches preallocmin size (in blocks) or
+ prealloc_list is empty. */
+ } s_alloc_options;
+
+ /* Comment? -Hans */
+ wait_queue_head_t s_wait;
+ /* To be obsoleted soon by per buffer seals.. -Hans */
+ atomic_t s_generation_counter; // increased by one every time the
+ // tree gets re-balanced
+ unsigned long s_properties; /* File system properties. Currently holds
+ on-disk FS format */
+
+ /* session statistics */
+ int s_kmallocs;
+ int s_disk_reads;
+ int s_disk_writes;
+ int s_fix_nodes;
+ int s_do_balance;
+ int s_unneeded_left_neighbor;
+ int s_good_search_by_key_reada;
+ int s_bmaps;
+ int s_bmaps_without_search;
+ int s_direct2indirect;
+ int s_indirect2direct;
/* set up when it's ok for reiserfs_read_inode2() to read from
disk inode with nlink==0. Currently this is only used during
finish_unfinished() processing at mount time */
- int s_is_unlinked_ok;
- reiserfs_proc_info_data_t s_proc_info_data;
- struct proc_dir_entry *procdir;
- int reserved_blocks; /* amount of blocks reserved for further allocations */
- spinlock_t bitmap_lock; /* this lock on now only used to protect reserved_blocks variable */
- struct dentry *priv_root; /* root of /.reiserfs_priv */
- struct dentry *xattr_root; /* root of /.reiserfs_priv/.xa */
- struct rw_semaphore xattr_dir_sem;
-
- int j_errno;
+ int s_is_unlinked_ok;
+ reiserfs_proc_info_data_t s_proc_info_data;
+ struct proc_dir_entry *procdir;
+ int reserved_blocks; /* amount of blocks reserved for further allocations */
+ spinlock_t bitmap_lock; /* this lock on now only used to protect reserved_blocks variable */
+ struct dentry *priv_root; /* root of /.reiserfs_priv */
+ struct dentry *xattr_root; /* root of /.reiserfs_priv/.xa */
+ struct rw_semaphore xattr_dir_sem;
+
+ int j_errno;
#ifdef CONFIG_QUOTA
- char *s_qf_names[MAXQUOTAS];
- int s_jquota_fmt;
+ char *s_qf_names[MAXQUOTAS];
+ int s_jquota_fmt;
#endif
};
@@ -422,14 +418,14 @@ struct reiserfs_sb_info
enum reiserfs_mount_options {
/* Mount options */
- REISERFS_LARGETAIL, /* large tails will be created in a session */
- REISERFS_SMALLTAIL, /* small (for files less than block size) tails will be created in a session */
- REPLAYONLY, /* replay journal and return 0. Use by fsck */
- REISERFS_CONVERT, /* -o conv: causes conversion of old
- format super block to the new
- format. If not specified - old
- partition will be dealt with in a
- manner of 3.5.x */
+ REISERFS_LARGETAIL, /* large tails will be created in a session */
+ REISERFS_SMALLTAIL, /* small (for files less than block size) tails will be created in a session */
+ REPLAYONLY, /* replay journal and return 0. Use by fsck */
+ REISERFS_CONVERT, /* -o conv: causes conversion of old
+ format super block to the new
+ format. If not specified - old
+ partition will be dealt with in a
+ manner of 3.5.x */
/* -o hash={tea, rupasov, r5, detect} is meant for properly mounting
** reiserfs disks from 3.5.19 or earlier. 99% of the time, this option
@@ -439,41 +435,41 @@ enum reiserfs_mount_options {
** the existing hash on the FS, so if you have a tea hash disk, and mount
** with -o hash=rupasov, the mount will fail.
*/
- FORCE_TEA_HASH, /* try to force tea hash on mount */
- FORCE_RUPASOV_HASH, /* try to force rupasov hash on mount */
- FORCE_R5_HASH, /* try to force rupasov hash on mount */
- FORCE_HASH_DETECT, /* try to detect hash function on mount */
+ FORCE_TEA_HASH, /* try to force tea hash on mount */
+ FORCE_RUPASOV_HASH, /* try to force rupasov hash on mount */
+ FORCE_R5_HASH, /* try to force rupasov hash on mount */
+ FORCE_HASH_DETECT, /* try to detect hash function on mount */
- REISERFS_DATA_LOG,
- REISERFS_DATA_ORDERED,
- REISERFS_DATA_WRITEBACK,
+ REISERFS_DATA_LOG,
+ REISERFS_DATA_ORDERED,
+ REISERFS_DATA_WRITEBACK,
/* used for testing experimental features, makes benchmarking new
features with and without more convenient, should never be used by
users in any code shipped to users (ideally) */
- REISERFS_NO_BORDER,
- REISERFS_NO_UNHASHED_RELOCATION,
- REISERFS_HASHED_RELOCATION,
- REISERFS_ATTRS,
- REISERFS_XATTRS,
- REISERFS_XATTRS_USER,
- REISERFS_POSIXACL,
- REISERFS_BARRIER_NONE,
- REISERFS_BARRIER_FLUSH,
-
- /* Actions on error */
- REISERFS_ERROR_PANIC,
- REISERFS_ERROR_RO,
- REISERFS_ERROR_CONTINUE,
-
- REISERFS_QUOTA, /* Some quota option specified */
-
- REISERFS_TEST1,
- REISERFS_TEST2,
- REISERFS_TEST3,
- REISERFS_TEST4,
- REISERFS_UNSUPPORTED_OPT,
+ REISERFS_NO_BORDER,
+ REISERFS_NO_UNHASHED_RELOCATION,
+ REISERFS_HASHED_RELOCATION,
+ REISERFS_ATTRS,
+ REISERFS_XATTRS,
+ REISERFS_XATTRS_USER,
+ REISERFS_POSIXACL,
+ REISERFS_BARRIER_NONE,
+ REISERFS_BARRIER_FLUSH,
+
+ /* Actions on error */
+ REISERFS_ERROR_PANIC,
+ REISERFS_ERROR_RO,
+ REISERFS_ERROR_CONTINUE,
+
+ REISERFS_QUOTA, /* Some quota option specified */
+
+ REISERFS_TEST1,
+ REISERFS_TEST2,
+ REISERFS_TEST3,
+ REISERFS_TEST4,
+ REISERFS_UNSUPPORTED_OPT,
};
#define reiserfs_r5_hash(s) (REISERFS_SB(s)->s_mount_opt & (1 << FORCE_R5_HASH))
@@ -504,18 +500,17 @@ enum reiserfs_mount_options {
#define reiserfs_error_panic(s) (REISERFS_SB(s)->s_mount_opt & (1 << REISERFS_ERROR_PANIC))
#define reiserfs_error_ro(s) (REISERFS_SB(s)->s_mount_opt & (1 << REISERFS_ERROR_RO))
-void reiserfs_file_buffer (struct buffer_head * bh, int list);
+void reiserfs_file_buffer(struct buffer_head *bh, int list);
extern struct file_system_type reiserfs_fs_type;
-int reiserfs_resize(struct super_block *, unsigned long) ;
+int reiserfs_resize(struct super_block *, unsigned long);
#define CARRY_ON 0
#define SCHEDULE_OCCURRED 1
-
#define SB_BUFFER_WITH_SB(s) (REISERFS_SB(s)->s_sbh)
#define SB_JOURNAL(s) (REISERFS_SB(s)->s_journal)
#define SB_JOURNAL_1st_RESERVED_BLOCK(s) (SB_JOURNAL(s)->j_1st_reserved_block)
-#define SB_JOURNAL_LEN_FREE(s) (SB_JOURNAL(s)->j_journal_len_free)
+#define SB_JOURNAL_LEN_FREE(s) (SB_JOURNAL(s)->j_journal_len_free)
#define SB_AP_BITMAP(s) (REISERFS_SB(s)->s_ap_bitmap)
#define SB_DISK_JOURNAL_HEAD(s) (SB_JOURNAL(s)->j_header_bh->)
@@ -525,13 +520,14 @@ int reiserfs_resize(struct super_block *, unsigned long) ;
*/
static inline char *reiserfs_bdevname(struct super_block *s)
{
- return (s == NULL) ? "Null superblock" : s -> s_id;
+ return (s == NULL) ? "Null superblock" : s->s_id;
}
#define reiserfs_is_journal_aborted(journal) (unlikely (__reiserfs_is_journal_aborted (journal)))
-static inline int __reiserfs_is_journal_aborted (struct reiserfs_journal *journal)
+static inline int __reiserfs_is_journal_aborted(struct reiserfs_journal
+ *journal)
{
- return test_bit (J_ABORTED, &journal->j_state);
+ return test_bit(J_ABORTED, &journal->j_state);
}
-#endif /* _LINUX_REISER_FS_SB */
+#endif /* _LINUX_REISER_FS_SB */