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Diffstat (limited to 'fs/f2fs/f2fs.h')
-rw-r--r--fs/f2fs/f2fs.h171
1 files changed, 126 insertions, 45 deletions
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index 5c0149d2f46a..b35a50f4953c 100644
--- a/fs/f2fs/f2fs.h
+++ b/fs/f2fs/f2fs.h
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: GPL-2.0
+/* SPDX-License-Identifier: GPL-2.0 */
/*
* fs/f2fs/f2fs.h
*
@@ -139,6 +139,7 @@ struct f2fs_mount_info {
int fs_mode; /* fs mode: LFS or ADAPTIVE */
int bggc_mode; /* bggc mode: off, on or sync */
struct fscrypt_dummy_context dummy_enc_ctx; /* test dummy encryption */
+ block_t unusable_cap_perc; /* percentage for cap */
block_t unusable_cap; /* Amount of space allowed to be
* unusable when disabling checkpoint
*/
@@ -194,6 +195,7 @@ enum {
#define CP_DISCARD 0x00000010
#define CP_TRIMMED 0x00000020
#define CP_PAUSE 0x00000040
+#define CP_RESIZE 0x00000080
#define MAX_DISCARD_BLOCKS(sbi) BLKS_PER_SEC(sbi)
#define DEF_MAX_DISCARD_REQUEST 8 /* issue 8 discards per round */
@@ -428,6 +430,10 @@ static inline bool __has_cursum_space(struct f2fs_journal *journal,
#define F2FS_IOC_PRECACHE_EXTENTS _IO(F2FS_IOCTL_MAGIC, 15)
#define F2FS_IOC_RESIZE_FS _IOW(F2FS_IOCTL_MAGIC, 16, __u64)
#define F2FS_IOC_GET_COMPRESS_BLOCKS _IOR(F2FS_IOCTL_MAGIC, 17, __u64)
+#define F2FS_IOC_RELEASE_COMPRESS_BLOCKS \
+ _IOR(F2FS_IOCTL_MAGIC, 18, __u64)
+#define F2FS_IOC_RESERVE_COMPRESS_BLOCKS \
+ _IOR(F2FS_IOCTL_MAGIC, 19, __u64)
#define F2FS_IOC_GET_VOLUME_NAME FS_IOC_GETFSLABEL
#define F2FS_IOC_SET_VOLUME_NAME FS_IOC_SETFSLABEL
@@ -506,6 +512,42 @@ static inline int get_inline_xattr_addrs(struct inode *inode);
* For INODE and NODE manager
*/
/* for directory operations */
+
+struct f2fs_filename {
+ /*
+ * The filename the user specified. This is NULL for some
+ * filesystem-internal operations, e.g. converting an inline directory
+ * to a non-inline one, or roll-forward recovering an encrypted dentry.
+ */
+ const struct qstr *usr_fname;
+
+ /*
+ * The on-disk filename. For encrypted directories, this is encrypted.
+ * This may be NULL for lookups in an encrypted dir without the key.
+ */
+ struct fscrypt_str disk_name;
+
+ /* The dirhash of this filename */
+ f2fs_hash_t hash;
+
+#ifdef CONFIG_FS_ENCRYPTION
+ /*
+ * For lookups in encrypted directories: either the buffer backing
+ * disk_name, or a buffer that holds the decoded no-key name.
+ */
+ struct fscrypt_str crypto_buf;
+#endif
+#ifdef CONFIG_UNICODE
+ /*
+ * For casefolded directories: the casefolded name, but it's left NULL
+ * if the original name is not valid Unicode or if the filesystem is
+ * doing an internal operation where usr_fname is also NULL. In these
+ * cases we fall back to treating the name as an opaque byte sequence.
+ */
+ struct fscrypt_str cf_name;
+#endif
+};
+
struct f2fs_dentry_ptr {
struct inode *inode;
void *bitmap;
@@ -1088,8 +1130,9 @@ enum cp_reason_type {
};
enum iostat_type {
- APP_DIRECT_IO, /* app direct IOs */
- APP_BUFFERED_IO, /* app buffered IOs */
+ /* WRITE IO */
+ APP_DIRECT_IO, /* app direct write IOs */
+ APP_BUFFERED_IO, /* app buffered write IOs */
APP_WRITE_IO, /* app write IOs */
APP_MAPPED_IO, /* app mapped IOs */
FS_DATA_IO, /* data IOs from kworker/fsync/reclaimer */
@@ -1100,6 +1143,19 @@ enum iostat_type {
FS_CP_DATA_IO, /* data IOs from checkpoint */
FS_CP_NODE_IO, /* node IOs from checkpoint */
FS_CP_META_IO, /* meta IOs from checkpoint */
+
+ /* READ IO */
+ APP_DIRECT_READ_IO, /* app direct read IOs */
+ APP_BUFFERED_READ_IO, /* app buffered read IOs */
+ APP_READ_IO, /* app read IOs */
+ APP_MAPPED_READ_IO, /* app mapped read IOs */
+ FS_DATA_READ_IO, /* data read IOs */
+ FS_GDATA_READ_IO, /* data read IOs from background gc */
+ FS_CDATA_READ_IO, /* compressed data read IOs */
+ FS_NODE_READ_IO, /* node read IOs */
+ FS_META_READ_IO, /* meta read IOs */
+
+ /* other */
FS_DISCARD, /* discard */
NR_IO_TYPE,
};
@@ -1269,6 +1325,7 @@ enum compress_algorithm_type {
COMPRESS_LZO,
COMPRESS_LZ4,
COMPRESS_ZSTD,
+ COMPRESS_LZORLE,
COMPRESS_MAX,
};
@@ -1418,7 +1475,6 @@ struct f2fs_sb_info {
unsigned int segs_per_sec; /* segments per section */
unsigned int secs_per_zone; /* sections per zone */
unsigned int total_sections; /* total section count */
- struct mutex resize_mutex; /* for resize exclusion */
unsigned int total_node_count; /* total node block count */
unsigned int total_valid_node_count; /* valid node block count */
loff_t max_file_blocks; /* max block index of file */
@@ -1504,8 +1560,15 @@ struct f2fs_sb_info {
/* For app/fs IO statistics */
spinlock_t iostat_lock;
- unsigned long long write_iostat[NR_IO_TYPE];
+ unsigned long long rw_iostat[NR_IO_TYPE];
+ unsigned long long prev_rw_iostat[NR_IO_TYPE];
bool iostat_enable;
+ unsigned long iostat_next_period;
+ unsigned int iostat_period_ms;
+
+ /* to attach REQ_META|REQ_FUA flags */
+ unsigned int data_io_flag;
+ unsigned int node_io_flag;
/* For sysfs suppport */
struct kobject s_kobj;
@@ -2902,12 +2965,12 @@ static inline bool f2fs_cp_error(struct f2fs_sb_info *sbi)
return is_set_ckpt_flags(sbi, CP_ERROR_FLAG);
}
-static inline bool is_dot_dotdot(const struct qstr *str)
+static inline bool is_dot_dotdot(const u8 *name, size_t len)
{
- if (str->len == 1 && str->name[0] == '.')
+ if (len == 1 && name[0] == '.')
return true;
- if (str->len == 2 && str->name[0] == '.' && str->name[1] == '.')
+ if (len == 2 && name[0] == '.' && name[1] == '.')
return true;
return false;
@@ -2935,18 +2998,12 @@ static inline bool f2fs_may_extent_tree(struct inode *inode)
static inline void *f2fs_kmalloc(struct f2fs_sb_info *sbi,
size_t size, gfp_t flags)
{
- void *ret;
-
if (time_to_inject(sbi, FAULT_KMALLOC)) {
f2fs_show_injection_info(sbi, FAULT_KMALLOC);
return NULL;
}
- ret = kmalloc(size, flags);
- if (ret)
- return ret;
-
- return kvmalloc(size, flags);
+ return kmalloc(size, flags);
}
static inline void *f2fs_kzalloc(struct f2fs_sb_info *sbi,
@@ -2996,29 +3053,45 @@ static inline int get_inline_xattr_addrs(struct inode *inode)
sizeof((f2fs_inode)->field)) \
<= (F2FS_OLD_ATTRIBUTE_SIZE + (extra_isize))) \
+#define DEFAULT_IOSTAT_PERIOD_MS 3000
+#define MIN_IOSTAT_PERIOD_MS 100
+/* maximum period of iostat tracing is 1 day */
+#define MAX_IOSTAT_PERIOD_MS 8640000
+
static inline void f2fs_reset_iostat(struct f2fs_sb_info *sbi)
{
int i;
spin_lock(&sbi->iostat_lock);
- for (i = 0; i < NR_IO_TYPE; i++)
- sbi->write_iostat[i] = 0;
+ for (i = 0; i < NR_IO_TYPE; i++) {
+ sbi->rw_iostat[i] = 0;
+ sbi->prev_rw_iostat[i] = 0;
+ }
spin_unlock(&sbi->iostat_lock);
}
+extern void f2fs_record_iostat(struct f2fs_sb_info *sbi);
+
static inline void f2fs_update_iostat(struct f2fs_sb_info *sbi,
enum iostat_type type, unsigned long long io_bytes)
{
if (!sbi->iostat_enable)
return;
spin_lock(&sbi->iostat_lock);
- sbi->write_iostat[type] += io_bytes;
+ sbi->rw_iostat[type] += io_bytes;
if (type == APP_WRITE_IO || type == APP_DIRECT_IO)
- sbi->write_iostat[APP_BUFFERED_IO] =
- sbi->write_iostat[APP_WRITE_IO] -
- sbi->write_iostat[APP_DIRECT_IO];
+ sbi->rw_iostat[APP_BUFFERED_IO] =
+ sbi->rw_iostat[APP_WRITE_IO] -
+ sbi->rw_iostat[APP_DIRECT_IO];
+
+ if (type == APP_READ_IO || type == APP_DIRECT_READ_IO)
+ sbi->rw_iostat[APP_BUFFERED_READ_IO] =
+ sbi->rw_iostat[APP_READ_IO] -
+ sbi->rw_iostat[APP_DIRECT_READ_IO];
spin_unlock(&sbi->iostat_lock);
+
+ f2fs_record_iostat(sbi);
}
#define __is_large_section(sbi) ((sbi)->segs_per_sec > 1)
@@ -3064,6 +3137,7 @@ static inline void f2fs_clear_page_private(struct page *page)
*/
int f2fs_sync_file(struct file *file, loff_t start, loff_t end, int datasync);
void f2fs_truncate_data_blocks(struct dnode_of_data *dn);
+int f2fs_do_truncate_blocks(struct inode *inode, u64 from, bool lock);
int f2fs_truncate_blocks(struct inode *inode, u64 from, bool lock);
int f2fs_truncate(struct inode *inode);
int f2fs_getattr(const struct path *path, struct kstat *stat,
@@ -3099,31 +3173,32 @@ int f2fs_update_extension_list(struct f2fs_sb_info *sbi, const char *name,
bool hot, bool set);
struct dentry *f2fs_get_parent(struct dentry *child);
-extern int f2fs_ci_compare(const struct inode *parent,
- const struct qstr *name,
- const struct qstr *entry,
- bool quick);
-
/*
* dir.c
*/
unsigned char f2fs_get_de_type(struct f2fs_dir_entry *de);
-struct f2fs_dir_entry *f2fs_find_target_dentry(struct fscrypt_name *fname,
- f2fs_hash_t namehash, int *max_slots,
- struct f2fs_dentry_ptr *d);
+int f2fs_init_casefolded_name(const struct inode *dir,
+ struct f2fs_filename *fname);
+int f2fs_setup_filename(struct inode *dir, const struct qstr *iname,
+ int lookup, struct f2fs_filename *fname);
+int f2fs_prepare_lookup(struct inode *dir, struct dentry *dentry,
+ struct f2fs_filename *fname);
+void f2fs_free_filename(struct f2fs_filename *fname);
+struct f2fs_dir_entry *f2fs_find_target_dentry(const struct f2fs_dentry_ptr *d,
+ const struct f2fs_filename *fname, int *max_slots);
int f2fs_fill_dentries(struct dir_context *ctx, struct f2fs_dentry_ptr *d,
unsigned int start_pos, struct fscrypt_str *fstr);
void f2fs_do_make_empty_dir(struct inode *inode, struct inode *parent,
struct f2fs_dentry_ptr *d);
struct page *f2fs_init_inode_metadata(struct inode *inode, struct inode *dir,
- const struct qstr *new_name,
- const struct qstr *orig_name, struct page *dpage);
+ const struct f2fs_filename *fname, struct page *dpage);
void f2fs_update_parent_metadata(struct inode *dir, struct inode *inode,
unsigned int current_depth);
int f2fs_room_for_filename(const void *bitmap, int slots, int max_slots);
void f2fs_drop_nlink(struct inode *dir, struct inode *inode);
struct f2fs_dir_entry *__f2fs_find_entry(struct inode *dir,
- struct fscrypt_name *fname, struct page **res_page);
+ const struct f2fs_filename *fname,
+ struct page **res_page);
struct f2fs_dir_entry *f2fs_find_entry(struct inode *dir,
const struct qstr *child, struct page **res_page);
struct f2fs_dir_entry *f2fs_parent_dir(struct inode *dir, struct page **p);
@@ -3132,14 +3207,13 @@ ino_t f2fs_inode_by_name(struct inode *dir, const struct qstr *qstr,
void f2fs_set_link(struct inode *dir, struct f2fs_dir_entry *de,
struct page *page, struct inode *inode);
bool f2fs_has_enough_room(struct inode *dir, struct page *ipage,
- struct fscrypt_name *fname);
+ const struct f2fs_filename *fname);
void f2fs_update_dentry(nid_t ino, umode_t mode, struct f2fs_dentry_ptr *d,
- const struct qstr *name, f2fs_hash_t name_hash,
+ const struct fscrypt_str *name, f2fs_hash_t name_hash,
unsigned int bit_pos);
-int f2fs_add_regular_entry(struct inode *dir, const struct qstr *new_name,
- const struct qstr *orig_name,
+int f2fs_add_regular_entry(struct inode *dir, const struct f2fs_filename *fname,
struct inode *inode, nid_t ino, umode_t mode);
-int f2fs_add_dentry(struct inode *dir, struct fscrypt_name *fname,
+int f2fs_add_dentry(struct inode *dir, const struct f2fs_filename *fname,
struct inode *inode, nid_t ino, umode_t mode);
int f2fs_do_add_link(struct inode *dir, const struct qstr *name,
struct inode *inode, nid_t ino, umode_t mode);
@@ -3169,8 +3243,7 @@ int f2fs_sanity_check_ckpt(struct f2fs_sb_info *sbi);
/*
* hash.c
*/
-f2fs_hash_t f2fs_dentry_hash(const struct inode *dir,
- const struct qstr *name_info, struct fscrypt_name *fname);
+void f2fs_hash_filename(const struct inode *dir, struct f2fs_filename *fname);
/*
* node.c
@@ -3202,6 +3275,7 @@ void f2fs_ra_node_page(struct f2fs_sb_info *sbi, nid_t nid);
struct page *f2fs_get_node_page(struct f2fs_sb_info *sbi, pgoff_t nid);
struct page *f2fs_get_node_page_ra(struct page *parent, int start);
int f2fs_move_node_page(struct page *node_page, int gc_type);
+int f2fs_flush_inline_data(struct f2fs_sb_info *sbi);
int f2fs_fsync_node_pages(struct f2fs_sb_info *sbi, struct inode *inode,
struct writeback_control *wbc, bool atomic,
unsigned int *seq_id);
@@ -3645,7 +3719,7 @@ static inline int f2fs_build_stats(struct f2fs_sb_info *sbi) { return 0; }
static inline void f2fs_destroy_stats(struct f2fs_sb_info *sbi) { }
static inline void __init f2fs_create_root_stats(void) { }
static inline void f2fs_destroy_root_stats(void) { }
-static inline void update_sit_info(struct f2fs_sb_info *sbi) {}
+static inline void f2fs_update_sit_info(struct f2fs_sb_info *sbi) {}
#endif
extern const struct file_operations f2fs_dir_operations;
@@ -3678,11 +3752,11 @@ int f2fs_try_convert_inline_dir(struct inode *dir, struct dentry *dentry);
int f2fs_write_inline_data(struct inode *inode, struct page *page);
bool f2fs_recover_inline_data(struct inode *inode, struct page *npage);
struct f2fs_dir_entry *f2fs_find_in_inline_dir(struct inode *dir,
- struct fscrypt_name *fname, struct page **res_page);
+ const struct f2fs_filename *fname,
+ struct page **res_page);
int f2fs_make_empty_inline_dir(struct inode *inode, struct inode *parent,
struct page *ipage);
-int f2fs_add_inline_entry(struct inode *dir, const struct qstr *new_name,
- const struct qstr *orig_name,
+int f2fs_add_inline_entry(struct inode *dir, const struct f2fs_filename *fname,
struct inode *inode, nid_t ino, umode_t mode);
void f2fs_delete_inline_entry(struct f2fs_dir_entry *dentry,
struct page *page, struct inode *dir,
@@ -3781,8 +3855,11 @@ int f2fs_prepare_compress_overwrite(struct inode *inode,
struct page **pagep, pgoff_t index, void **fsdata);
bool f2fs_compress_write_end(struct inode *inode, void *fsdata,
pgoff_t index, unsigned copied);
+int f2fs_truncate_partial_cluster(struct inode *inode, u64 from, bool lock);
void f2fs_compress_write_end_io(struct bio *bio, struct page *page);
bool f2fs_is_compress_backend_ready(struct inode *inode);
+int f2fs_init_compress_mempool(void);
+void f2fs_destroy_compress_mempool(void);
void f2fs_decompress_pages(struct bio *bio, struct page *page, bool verity);
bool f2fs_cluster_is_empty(struct compress_ctx *cc);
bool f2fs_cluster_can_merge_page(struct compress_ctx *cc, pgoff_t index);
@@ -3816,6 +3893,8 @@ static inline struct page *f2fs_compress_control_page(struct page *page)
WARN_ON_ONCE(1);
return ERR_PTR(-EINVAL);
}
+static inline int f2fs_init_compress_mempool(void) { return 0; }
+static inline void f2fs_destroy_compress_mempool(void) { }
#endif
static inline void set_compress_context(struct inode *inode)
@@ -3962,6 +4041,10 @@ static inline void f2fs_i_compr_blocks_update(struct inode *inode,
{
int diff = F2FS_I(inode)->i_cluster_size - blocks;
+ /* don't update i_compr_blocks if saved blocks were released */
+ if (!add && !F2FS_I(inode)->i_compr_blocks)
+ return;
+
if (add) {
F2FS_I(inode)->i_compr_blocks += diff;
stat_add_compr_blocks(inode, diff);
@@ -4003,8 +4086,6 @@ static inline bool f2fs_force_buffered_io(struct inode *inode,
return true;
if (f2fs_is_multi_device(sbi))
return true;
- if (f2fs_compressed_file(inode))
- return true;
/*
* for blkzoned device, fallback direct IO to buffered IO, so
* all IOs can be serialized by log-structured write.
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.