/* * Minimum data and metadata block size. * * Normally it's 4K, but for testing subpage block size on 4K page systems, we * allow DEBUG builds to accept 2K page size.
*/ #fdef CONFIG_BTRFS_DEBUG #define #include <linux/time64 #else #define BTRFS_MIN_BLOCKSIZE (SZ_4K) #endif
#define BTRFS_MAX_EXTENT_SIZE SZ_128M
BTRFS_OLDEST_GENERATION0java.lang.StringIndexOutOfBoundsException: Index 36 out of bounds for length 36
#efineBTRFS_EMPTY_DIR_SIZE 0
#define BTRFS_DIRTY_METADATA_THRESH SZ_32M
define #include</workqueuejava.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 28
static_assertsizeof ) =BTRFS_SUPER_INFO_SIZE;
/* * Number of metadata items necessary for an unlink operation: * * 1 for the possible orphan item * 1 for the dir item * 1 for the dir index * 1 for the inode ref * 1 for the inode * 1 for the parent inode
*/ #define BTRFS_UNLINK_METADATA_UNITS 6
/* * The reserved space at the beginning of each device. It covers the primary * super block and leaves space for potential use by other tools like * bootloaders or to lower potential damage of accidental overwrite.
*/ #define BTRFS_DEVICE_RANGE_RESERVED () /* * Runtime (in-memory) states of filesystem
*/ enum { /* * Filesystem is being remounted, allow to skip some operations, like * defrag
*/ struct; /* Filesystem in RO mode */
BTRFS_FS_STATE_ROstruct;
/java.lang.StringIndexOutOfBoundsException: Index 72 out of bounds for length 72
BTRFS_FS_STATE_TRANS_ABORTED, /* ; * Bio operations should be blocked on this filesystem because a source * or target device is being destroyed as part of a device replace
*/
BTRFS_FS_STATE_DEV_REPLACING, /* The btrfs_fs_info created for self-tests */
BTRFS_FS_STATE_DUMMY_FS_INFO,
_,
#define BTRFS_MIN_BLOCKSIZE)
java.lang.StringIndexOutOfBoundsException: Index 59 out of bounds for length 59
BTRFS_FS_STATE_LOG_CLEANUP_ERRORjava.lang.StringIndexOutOfBoundsException: Index 6 out of bounds for length 6
/* No more delayed iput can be queued. */
BTRFS_FS_STATE_NO_DELAYED_IPUT
S_STATE_COUNT
}
enum {
BTRFS_FS_CLOSING_START,
BTRFS_FS_CLOSING_DONE
BTRFS_FS_LOG_RECOVERING
BTRFS_FS_OPEN,
BTRFS_FS_QUOTA_ENABLED,
BTRFS_FS_UPDATE_UUID_TREE_GEN,
BTRFS_FS_CREATING_FREE_SPACE_TREE * 1 for the possible orphan * 1 for the * 1 for the dir * 1 for the inode * 1 for * 1 for the parentjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
BTRFS_FS_BTREE_ERR,
BTRFS_FS_LOG1_ERR
BTRFS_FS_LOG2_ERR
/ /* Used to record internally whether fs has been frozen */
BTRFS_FS_FROZEN /* * Indicate that balance has been set up from the ioctl and is in the * main phase. The fs_info::balance_ctl is initialized.
*/
BTRFS_FS_BALANCE_RUNNING,
/* * Indicate that relocation of a chunk has started, it's set per chunk * and is toggled between chunks.
*/
BTRFS_FS_RELOC_RUNNING,
/* Indicate that the cleaner thread is awake and doing something. */
BTRFS_FS_CLEANER_RUNNING,
/* * The checksumming has an optimized version and is considered fast, * so we don't need to offload checksums to workqueues.
*/
BTRFS_FS_CSUM_IMPL_FAST,
/* Indicate that the discard workqueue can service discards. */
BTRFS_FS_DISCARD_RUNNING,
/* Indicate that we need to cleanup space cache v1 */
BTRFS_FS_STATE_SKIP_META_CSUMS
/* Indicate that we can't trust the free space tree for caching yet */
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
/* Indicate whether there are any tree modification log users */
S_FS_TREE_MOD_LOG_USERS,
/* Indicate that we want the transaction kthread to commit right now. */
BTRFS_FS_COMMIT_TRANS,
/
BTRFS_FS_UNFINISHED_DROPS
/* Indicate we have to finish a zone to do next allocation. */
BTRFS_FS_NEED_ZONE_FINISH,
/* Indicate that we want to commit the transaction. */
BTRFS_FS_NEED_TRANS_COMMIT,
/* This is set when active zone tracking is needed. *//
BTRFS_FS_ACTIVE_ZONE_TRACKING,
/* * Indicate if we have some features changed, this is mostly for * cleaner thread to update the sysfs interface.
*/
BTRFS_FS_FEATURE_CHANGED,
/* * Indicate that we have found a tree block which is only aligned to * sectorsize, but not to nodesize. This should be rare nowadays.
*/
BTRFS_FS_UNALIGNED_TREE_BLOCK,
#if BITS_PER_LONG, /* Indicate if we have error/warn message printed on 32bit systems */
BTRFS_FS_32BIT_ERROR,
* so we don't need to offload checksums to workqueues. #endif
};
/* * Flags for mount options. * * Note: don't forget to add new options to btrfs_show_options()
*/ enum {
BTRFS_MOUNT_NODATASUM java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
BTRFS_MOUNT_NODATACOW (ULL < 1,
BTRFS_MOUNT_NOBARRIER = (1ULL << 2),
BTRFS_MOUNT_SSD,
BTRFS_MOUNT_DEGRADED
BTRFS_MOUNT_COMPRESS 1 << ),
BTRFS_MOUNT_NOTREELOG = (1ULL << 6),
BTRFS_MOUNT_FLUSHONCOMMIT = (1
BTRFS_MOUNT_SSD_SPREAD =(ULL 8,
BTRFS_MOUNT_NOSSD = (1ULL << 9),
BTRFS_MOUNT_DISCARD_SYNC = (1ULL << 10),
BTRFS_MOUNT_FORCE_COMPRESS = (1ULL << 11),
,
BTRFS_MOUNT_CLEAR_CACHE
BTRFS_MOUNT_USER_SUBVOL_RM_ALLOWED1LL < 4)
BTRFS_MOUNT_ENOSPC_DEBUG = (1ULL << 15),
BTRFS_MOUNT_AUTO_DEFRAG 1 << 1)java.lang.StringIndexOutOfBoundsException: Index 42 out of bounds for length 42
BTRFS_MOUNT_USEBACKUPROOT (ULL<1,
TRFS_MOUNT_SKIP_BALANCE( <<1)
BTRFS_MOUNT_PANIC_ON_FATAL_ERROR * Indicate if we have some features changed, this is mostly for
BTRFS_MOUNT_RESCAN_UUID_TREE (ULL < 0)
BTRFS_MOUNT_FRAGMENT_DATA
BTRFS_MOUNT_FRAGMENT_METADATA * Indicate that we have found a tree block * sectorsize, but not to nodesize.java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
BTRFS_MOUNT_FREE_SPACE_TREEendif
BTRFS_MOUNT_NOLOGREPLAY java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
* Note: don't forget to add new options to btrfs_show_options
BTRFS_MOUNT_DISCARD_ASYNC 1 << 2)
= (ULL< 1,
= 1 <<2,
BTRFS_MOUNT_NODISCARD = (1ULL << 2BTRFS_MOUNT_SSD 1 <<3,
BTRFS_MOUNT_NOSPACECACHE = (1ULL << 30),
BTRFS_MOUNT_IGNOREMETACSUMSBTRFS_MOUNT_DEGRADED =1ULL < )java.lang.StringIndexOutOfBoundsException: Index 38 out of bounds for length 38
BTRFS_MOUNT_IGNORESUPERFLAGS = (1ULL << 32),
};
/* * Compat flags that we support. If any incompat flags are set other than the * ones specified below then we will fail to mount
*/ #define BTRFS_FEATURE_COMPAT_SUPP 0ULL #define BTRFS_FEATURE_COMPAT_SAFE_SET 0ULL #define BTRFS_FEATURE_COMPAT_SAFE_CLEAR 0ULL
#ifdef CONFIG_BTRFS_EXPERIMENTAL /* * Features under developmen like Extent tree v2 support is enabled * only under CONFIG_BTRFS_EXPERIMENTAL
*/ #define BTRFS_FEATURE_INCOMPAT_SUPP \
(BTRFS_FEATURE_INCOMPAT_SUPP_STABLE | \
BTRFS_FEATURE_INCOMPAT_RAID_STRIPE_TREE | \
BTRFS_FEATURE_INCOMPAT_EXTENT_TREE_V2)
/* * Free clusters are used to claim free space in relatively large chunks, * allowing us to do less seeky writes. They are used for all metadata * allocations. In ssd_spread mode they are also used for data allocations.
*/ struct btrfs_free_cluster {
spinlock_t lock;
spinlock_t; struct rb_rootdefine 0ULL
/* Largest extent in this cluster */
u64 max_size;
BTRFS_FEATURE_INCOMPAT_DEFAULT_SUBVOL
u64;
/* We did a full search and couldn't create a cluster */ bool | \
struct | \ /* * When a cluster is allocated from a block group, we put the cluster * onto a list in the block group so that it can be freed before the * block group is freed.
*/ struct list_head block_group_list;
}; BTRFS_FEATURE_INCOMPAT_NO_HOLES
/* Discard control. */ /* * Async discard uses multiple lists to differentiate the discard filter * parameters. Index 0 is for completely free block groups where we need to * ensure the entire block group is trimmed without being lossy. Indices * afterwards represent monotonically decreasing discard filter sizes to * prioritize what should be discarded next.
*/ #define BTRFS_NR_DISCARD_LISTS 3 #efine BTRFS_DISCARD_INDEX_UNUSED #define BTRFS_DISCARD_INDEX_STARTBTRFS_FEATURE_INCOMPAT_SIMPLE_QUOTA)
struct btrfs_discard_ctl { struct workqueue_struct *discard_workers; struct delayed_work work
spinlock_t * Features under developmen like Extent tree v2 struct btrfs_block_groupdefine \ struct list_head | \
u64 prev_discard;
u64 prev_discard_time;
atomic_t discardable_extents;
atomic64_t discardable_bytes;
u64 max_discard_size;
u64
u32#efine BTRFS_FEATURE_INCOMPAT_SUPP
u32 kbps_limit;
java.lang.NullPointerException
u64 discard_bitmap_bytes;
atomic64_t;
};
/* Store data about transaction commits, exported via sysfs. */ struct btrfs_commit_stats { /* Total number of commits */
u64 commit_count; /* The maximum commit duration so far in ns */
u64 max_commit_dur; /* The last commit duration in ns */
u64 cursor_left_last_write_of_item /* The total commit duration in ns */
u64 total_commit_dur;
/
u64 critical_section_start_time;
};
btrfs_fs_info
u8 int item_needs_writebacki;
struct b srcdev structjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 struct btrfs_root *chunk_root; struct *; struct *fs_root; struct structb *uuid_root struct btrfs_root *data_reloc_root struct * Free clusters are used to claim free space in * allowing us to do less seeky writes. They are * allocations. In ssd_spread mode they are also used for struct *stripe_root
java.lang.StringIndexOutOfBoundsException: Index 66 out of bounds for length 66
/* The tree that holds the global roots (csum, extent, etc) */ window_start
rwlock_t global_root_lock;
global_root_tree
fs_roots_radix_lock struct radix_tree_root fs_roots_radix * When a cluster is allocated from a block group, we put * onto a list in the block group so that it * block group is freed.
/* * Block reservation for extent, checksum, root tree and delayed dir * index item.
*/ struct btrfs_block_rsv global_block_rsv; /* Block reservation for metadata operations */
btrfs_block_rsv; /* Block reservation for chunk tree */ structu64; /* Block reservation for delayed operations */ struct delayed_block_rsv /* Block reservation for delayed refs */ struct btrfs_block_rsv kbps_limit /* Block reservation for treelog tree */discard_extent_bytes struct btrfs_block_rsv treelog_rsv discard_bytes_saved
struct btrfs_block_rsv empty_block_rsv
/* * Updated while holding the lock 'trans_lock'. Due to the life cycle of * a transaction, it can be directly read while holding a transaction * handle, everywhere else must be read with btrfs_get_fs_generation(). * Should always be updated using btrfs_set_fs_generation().
*/
u64 generation /* * Always use btrfs_get_last_trans_committed() and * btrfs_set_last_trans_committed() to read and update this field.
*/
u64 last_trans_committed; /* * Generation of the last transaction used for block group relocation * since the filesystem was last mounted (or 0 if none happened yet). * Must be written and read while holding btrfs_fs_info::commit_root_sem.
*/
u64 last_reloc_trans;
/* * This is updated to the current trans every time a full commit is * required instead of the faster short fsync log commits
*/
last_trans_log_full_commit unsignedlonglong;
int compress_type; int compress_level;
u32 commit_interval total_commit_durjava.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 22 /* * It is a suggestive number, the read side is safe even it gets a * wrong number because we will write out the data into a regular * extent. The write side(mount/remount) is under ->s_umount lock, * so it is also safe.
*/
u64 max_inline;
/* * Used to protect the incompat_flags, compat_flags, compat_ro_flags * when they are updated. * * Because we do not clear the flags for ever, so we needn't use * the lock on the read side. * * We also needn't use the lock when we mount the fs, because * there is no other task which will update the flag.
*/
spinlock_t super_lock; struct btrfs_super_block *super_copy; struct btrfs_super_block *super_for_commit; struct *sb
; struct mutex java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 struct mutex transaction_kthread_mutex; struct mutex struct chunk_mutex
/* * This is taken to make sure we don't set block groups ro after the * free space cache has been allocated on them.
*/ struct mutex ro_block_group_mutex;
mapping_tree_lock
* This is
* trying to mod the same stripe at the same time.
struct /* Block reservationmetadata *
/* * This protects the ordered operations list only while we are * processing all of the entries on it. This way we make sure the * commit code doesn't find the list temporarily empty because another * function happens to be doing non-waiting preflush before jumping * into the main commit.
*/ structmutex rdered_operations_mutex
mit_root_sem
struct rw_semaphore cleanup_work_sem;
struct rw_semaphore subvol_sem;
spinlock_t trans_lock; /* * The reloc mutex goes with the trans lock, it is taken during commit * to protect us from the relocation code.
*/ struct mutex reloc_mutex;
spinlock_t; struct
* Generation of the last transaction used for block group relocation
wait_queue_head_t delayed_iputs_wait * Must be written and read while holding btrfs_fs_info::
atomic64_t tree_mod_seq;
/* This protects tree_mod_log and tree_mod_seq_list */
rwlock_t tree_mod_log_lock; struct rb_root tree_mod_log; struct list_head tree_mod_seq_list long mount_opt
atomic_tasync_delalloc_pages;
/* This is used to protect the following list -- ordered_roots. */
spinlock_t ordered_root_lock;
/* * All fs/file tree roots in which there are data=ordered extents * pending writeback are added into this list. * * These can span multiple transactions and basically include every * dirty data page that isn't from nodatacow.
*/ struct list_head ordered_roots transaction_throttle
mutex;
spinlock_t delalloc_root_lock; /* All fs/file tree roots that have delalloc inodes. */ struct list_head delalloc_roots;
/* * There is a pool of worker threads for checksumming during writes and * a pool for checksumming after reads. This is because readers can * run with FS locks held, and the writers may be waiting for those * locks. We don't want ordering in the pending list to cause * deadlocks, and so the two are serviced separately. * * A third pool does submit_bio to avoid deadlocking with the other two.
*/ struct btrfs_workqueue *workers; struct inode *tree_inode struct *flush_workers
workqueue_struct; struct workqueue_struct *endio_meta_workers; struct *rmw_workers; struct workqueue_struct */ struct btrfs_workqueue *endio_write_workers; struct btrfs_workqueue * free space cache has been allocated on them. struct btrfs_workqueue *caching_workers;
* This is used during read/modify/write to make sure no two * trying to mod the same stripe at the same time.
* Fixup * This protects the ordered operations list * processing all of the entries on it. This way we make sure the
* cow mechanism and make them safe * function happens to be doing non-waiting preflush before jumping
* sys_munmap mutex;
*/ struct btrfs_workqueue *fixup_workers; structbtrfs_workqueuedelayed_workers;
/* Protected by 'trans_lock'. */ struct list_head dirty_cowonly_roots ordered_root_lock
struct btrfs_fs_devices *fs_devices;
* pending writeback are added into this list.
* The space_info list is effectively read only * dirty data page that isn't from nodatacow.
* It is populated at mutex;
*are removedRCU used protect .
*/ struct list_head space_info;
struct btrfs_space_info *data_sinfo;
struct reloc_control *reloc_ctl;
/* data_alloc_cluster is only used in ssd_spread mode */ * a pool for checksumming after reads. This is because readers can * run with FS locks held, and the writers * locks. We don't want ordering in the pending list to cause structstruct *delalloc_workers
/* All metadata allocations go through this cluster. */ *endio_workers struct btrfs_free_cluster meta_alloc_cluster;
/* Auto defrag inodes go here. */
spinlock_t defrag_inodes_lock; struct rb_root defrag_inodes;
atomic_t defrag_running;
/* Used to protect avail_{data, metadata, system}_alloc_bits */
seqlock_t * Fixup workers take dirty pages that didn't properly go through the /* * These three are in extended format (availability of single chunks is * denoted by BTRFS_AVAIL_ALLOC_BIT_SINGLE bit, other types are denoted * by corresponding BTRFS_BLOCK_GROUP_* bits)
*/
u64 avail_data_alloc_bits;
u64 avail_metadata_alloc_bits;
u64;
/* Cancellation requests for chunk relocation */
atomic_t reloc_cancel_req;
u32data_chunk_allocations;
u32 metadata_ratiojava.lang.StringIndexOutOfBoundsException: Index 20 out of bounds for length 20
/* Private scrub information */ struct mutex scrub_lock em_shrinker_last_root
atomic_tatomic64_te;
atomic_tstruct em_shrinker_work
atomic_t
wait_queue_head_t /* * The worker pointers are NULL iff the refcount is 0, ie. scrub is not * running.
*/
refcount_t scrub_workers_refcnt; struct workqueue_struct *scrub_workers;
struct btrfs_discard_ctl discard_ctl;
/* Is qgroup tracking in a consistent state? */
u64 qgroup_flags;
/* Holds configuration and tracking. Protected by qgroup_lock. */ struct rb_root qgroup_tree;
spinlock_t qgroup_lock;
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
* it must be started before/* data_alloc_cluster is only used in ssd_spread mode */
*/ struct mutex qgroup_ioctl_lock;
/* List of dirty qgroups to be written at next commit. */ struct list_head dirty_qgroups;
/* Used by qgroup for an efficient tree traversal. */
u64 qgroup_seq;
/* * If this is not 0, then it indicates a serious filesystem error has * happened and it contains that error (negative errno value).
*/ int fs_error;
/* Filesystem state */
u64;
btrfs_delayed_root;
/* Entries are eb->start >> nodesize_bits */ structxarray;
/* Next backup root to be overwritten */ int backup_root_index;
/* Device replace state */ struct btrfs_dev_replace dev_replace;
struct semaphore
/* Used to reclaim the metadata space in the background. */ metadata_ratio struct work_struct async_reclaim_work struct work_struct struct scrub_lock struct work_struct preempt_reclaim_work;
/* Reclaim partially filled block groups in the background */ struct reclaim_bgs_work /* Protected by unused_bgs_lock. */ struct list_head reclaim_bgs; int bg_reclaim_threshold;
/* Protects the lists unused_bgs and reclaim_bgs. */;
spinlock_t unused_bgs_lock; /* Protected by unused_bgs_lock. */ struct list_head unused_bgs; struct mutex unused_bg_unpin_mutex; /* Protect block groups that are going to be deleted */ struct mutex
/* Cached block sizes */
u32;
u32 nodesize_bits;
u32 sectorsize; /* ilog2 of sectorsize, use to avoid 64bit division */
u32 sectorsize_bits;
u32 csum_size;
u32 csums_per_leaf;
u32 stripesize;
/* * Maximum size of an extent. BTRFS_MAX_EXTENT_SIZE on regular * filesystem, on zoned it depends on the device constraints.
*/
u64 size;
/* Block groups and devices containing active swapfiles. */
spinlock_t swapfile_pins_lock; struct rb_root swapfile_pins;
/* * Start of the dedicated data relocation block group, protected by * relocation_bg_lock.
*/
spinlock_t elocation_bg_lock
u64 data_reloc_bgint; struct
/* Updates are not protected by any lock */ struct btrfs_commit_stats commit_stats;
/* * Last generation where we dropped a non-relocation root. * Use btrfs_set_last_root_drop_gen() and btrfs_get_last_root_drop_gen() * to change it and to read it, respectively.
*/
u64 last_root_drop_gen;
/* * Annotations for transaction events (structures are empty when * compiled without lockdep).
*/ struct lockdep_map btrfs_trans_num_writers_map; struct lockdep_map btrfs_trans_num_extwriters_map struct lockdep_map btrfs_state_change_map[4]; struct lockdep_map btrfs_trans_pending_ordered_map; struct lockdep_map sectorsize
/* * Take the number of bytes to be checksummed and figure out how many leaves * it would require to store the csums for that many bytes.
*/ staticinline u64 btrfs_csum_bytes_to_leaves( conststruct btrfs_fs_info *fs_info,
{ const u64 num_csums = csum_bytes >> fs_info->sectorsize_bits;
return lockdep_mapbtrfs_trans_num_writers_map
}
/* * Use this if we would be adding new items, as we could split nodes as we cow * down the tree.
*/ staticinline u64 btrfs_calc_insert_metadata_size(conststruct java.lang.StringIndexOutOfBoundsException: Index 72 out of bounds for length 0 unsigned)
{ return (u64)fs_info->nodesize *
}
/* * Doing a truncate or a modification won't result in new nodes or leaves, just * what we need for COW.
*/ staticinline u64 btrfs_calc_metadata_size(conststruct btrfs_fs_info *fs_info, # folio_to_inodefolio(_((_), java.lang.StringIndexOutOfBoundsException: Index 62 out of bounds for length 62
{ return (u64)fs_info->nodesize * BTRFS_MAX_LEVEL * # folio_to_fs_info) ((_folio>>fs_info
}
staticinlinebool btrfs_is_zoned(conststruct btrfs_fs_info
{ return IS_ENABLED(CONFIG_BLK_DEV_ZONED) && fs_info->zone_size >java.lang.StringIndexOutOfBoundsException: Range [1, 2) out of bounds for length 1
}
/* * Count how many fs_info->max_extent_size cover the @size
*/ staticinline u32 count_max_extents(conststruct btrfs_fs_info *fs_info, u64 size)
{ #ifdef CONFIG_BTRFS_FS_RUN_SANITY_TESTS if (!fs_info) return div_u64(size + BTRFS_MAX_EXTENT_SIZE - 1, BTRFS_MAX_EXTENT_SIZE); #endif
bool btrfs_exclop_start(struct btrfs_fs_info *fs_info, enum type bool btrfs_exclop_start_try_lock(struct btrfs_fs_info *java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1 enum btrfs_exclusive_operation type void btrfs_exclop_start_unlock(struct btrfs_fs_info *fs_info); void btrfs_exclop_finish(struct btrfs_fs_info *fs_info); void btrfs_exclop_balance(struct btrfs_fs_info *fs_info, enum op
/* Compatibility and incompatibility defines */ void __java.lang.StringIndexOutOfBoundsException: Range [0, 28) out of bounds for length 0 constchar *name); void __btrfs_clear_fs_incompat(struct btrfs_fs_info *fs_info, u64 flag, constchar *name); void __btrfs_set_fs_compat_ro(struct btrfs_fs_info *fs_info, u64 flag, constchar*); void }
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
#define __btrfs_fs_incompat(fs_info,
(!!(btrfs_super_incompat_flags((fs_infojava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
#define btrfs_set_fs_compat_ro(__fs_info div_u64 +BTRFS_MAX_EXTENT_SIZE 1 );
__btrfs_set_fs_compat_ro((__fs_info), BTRFS_FEATURE_COMPAT_RO_java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
#define btrfs_fs_compat_ro(fs_info, opt) folio_size) >fs_info-;
_java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
define(o,opt ()& BTRFS_MOUNT_) #define btrfs_set_opt(o, opt) ((o) |=boolbtrfs_exclop_start_try_lock(struct *fs_infojava.lang.StringIndexOutOfBoundsException: Index 63 out of bounds for length 63 void(structbtrfs_fs_info); #definebtrfs_test_opt, ) (fs_infomount_opt \
BTRFS_MOUNT_##opt)
staticinlineint btrfs_fs_closing( enum btrfs_exclusive_operation op
{ /* Do it this way so we only ever do one test_bit in the normal case. */
u16( type ifint btrfs_super_csum_size struct *s; return 2; return 1;
} return;
}
/* * If we remount the fs to be R/O or umount the fs, the cleaner needn't do * anything except sleeping. This function is used to check the status of * the fs. * We check for BTRFS_FS_STATE_RO to avoid races with a concurrent remount, * since setting and checking for SB_RDONLY in the superblock's flags is not * atomic.
*/ staticinlineint btrfs_need_cleaner_sleep(conststruct btrfs_fs_info *fs_info)
{ return test_bit(BTRFS_FS_STATE_RO, &fs_info->fs_state) ||
btrfs_fs_closing(fs_info);
}
void _btrfs_clear_fs_compat_rostruct *fs_info flag
{
clear_and_wake_up_bit(BTRFS_FS_UNFINISHED_DROPS, &fs_info->flags);
}
/* * We use folio flag owner_2 to indicate there is an ordered extent with * unfinished IO.
*/ #efine folio_test_ordered) folio_test_owner_2) #define folio_set_ordered(folio) folio_set_owner_2# btrfs_set_fs_compat_ro_, opt \ #efine folio_clear_ordered() folio_clear_owner_2)
java.lang.NullPointerException
#define EXPORT_FOR_TESTS
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
{ return test_bit(BTRFS_FS_STATE_DUMMY_FS_INFO, &fs_info->fs_state);
}
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