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Diffstat (limited to 'fs/ubifs/ubifs.h')
-rw-r--r--fs/ubifs/ubifs.h79
1 files changed, 46 insertions, 33 deletions
diff --git a/fs/ubifs/ubifs.h b/fs/ubifs/ubifs.h
index 12e94774aa8..c1f71fe17cc 100644
--- a/fs/ubifs/ubifs.h
+++ b/fs/ubifs/ubifs.h
@@ -42,16 +42,24 @@
#define UBIFS_VERSION 1
/* Normal UBIFS messages */
-#define ubifs_msg(fmt, ...) \
- printk(KERN_NOTICE "UBIFS: " fmt "\n", ##__VA_ARGS__)
+#define ubifs_msg(fmt, ...) pr_notice("UBIFS: " fmt "\n", ##__VA_ARGS__)
/* UBIFS error messages */
-#define ubifs_err(fmt, ...) \
- printk(KERN_ERR "UBIFS error (pid %d): %s: " fmt "\n", current->pid, \
+#define ubifs_err(fmt, ...) \
+ pr_err("UBIFS error (pid %d): %s: " fmt "\n", current->pid, \
__func__, ##__VA_ARGS__)
/* UBIFS warning messages */
-#define ubifs_warn(fmt, ...) \
- printk(KERN_WARNING "UBIFS warning (pid %d): %s: " fmt "\n", \
- current->pid, __func__, ##__VA_ARGS__)
+#define ubifs_warn(fmt, ...) \
+ pr_warn("UBIFS warning (pid %d): %s: " fmt "\n", \
+ current->pid, __func__, ##__VA_ARGS__)
+/*
+ * A variant of 'ubifs_err()' which takes the UBIFS file-sytem description
+ * object as an argument.
+ */
+#define ubifs_errc(c, fmt, ...) \
+ do { \
+ if (!(c)->probing) \
+ ubifs_err(fmt, ##__VA_ARGS__); \
+ } while (0)
/* UBIFS file system VFS magic number */
#define UBIFS_SUPER_MAGIC 0x24051905
@@ -84,9 +92,6 @@
#define INUM_WARN_WATERMARK 0xFFF00000
#define INUM_WATERMARK 0xFFFFFF00
-/* Largest key size supported in this implementation */
-#define CUR_MAX_KEY_LEN UBIFS_SK_LEN
-
/* Maximum number of entries in each LPT (LEB category) heap */
#define LPT_HEAP_SZ 256
@@ -277,10 +282,10 @@ struct ubifs_old_idx {
/* The below union makes it easier to deal with keys */
union ubifs_key {
- uint8_t u8[CUR_MAX_KEY_LEN];
- uint32_t u32[CUR_MAX_KEY_LEN/4];
- uint64_t u64[CUR_MAX_KEY_LEN/8];
- __le32 j32[CUR_MAX_KEY_LEN/4];
+ uint8_t u8[UBIFS_SK_LEN];
+ uint32_t u32[UBIFS_SK_LEN/4];
+ uint64_t u64[UBIFS_SK_LEN/8];
+ __le32 j32[UBIFS_SK_LEN/4];
};
/**
@@ -653,8 +658,6 @@ typedef int (*ubifs_lpt_scan_callback)(struct ubifs_info *c,
* @avail: number of bytes available in the write-buffer
* @used: number of used bytes in the write-buffer
* @size: write-buffer size (in [@c->min_io_size, @c->max_write_size] range)
- * @dtype: type of data stored in this LEB (%UBI_LONGTERM, %UBI_SHORTTERM,
- * %UBI_UNKNOWN)
* @jhead: journal head the mutex belongs to (note, needed only to shut lockdep
* up by 'mutex_lock_nested()).
* @sync_callback: write-buffer synchronization callback
@@ -688,7 +691,6 @@ struct ubifs_wbuf {
int avail;
int used;
int size;
- int dtype;
int jhead;
int (*sync_callback)(struct ubifs_info *c, int lnum, int free, int pad);
struct mutex io_mutex;
@@ -765,6 +767,9 @@ struct ubifs_zbranch {
* @offs: offset of the corresponding indexing node
* @len: length of the corresponding indexing node
* @zbranch: array of znode branches (@c->fanout elements)
+ *
+ * Note! The @lnum, @offs, and @len fields are not really needed - we have them
+ * only for internal consistency check. They could be removed to save some RAM.
*/
struct ubifs_znode {
struct ubifs_znode *parent;
@@ -775,9 +780,9 @@ struct ubifs_znode {
int child_cnt;
int iip;
int alt;
-#ifdef CONFIG_UBIFS_FS_DEBUG
- int lnum, offs, len;
-#endif
+ int lnum;
+ int offs;
+ int len;
struct ubifs_zbranch zbranch[];
};
@@ -908,6 +913,8 @@ struct ubifs_budget_req {
* @dnext: next orphan to delete
* @inum: inode number
* @new: %1 => added since the last commit, otherwise %0
+ * @cmt: %1 => commit pending, otherwise %0
+ * @del: %1 => delete pending, otherwise %0
*/
struct ubifs_orphan {
struct rb_node rb;
@@ -916,7 +923,9 @@ struct ubifs_orphan {
struct ubifs_orphan *cnext;
struct ubifs_orphan *dnext;
ino_t inum;
- int new;
+ unsigned new:1;
+ unsigned cmt:1;
+ unsigned del:1;
};
/**
@@ -1187,6 +1196,8 @@ struct ubifs_debug_info;
* @freeable_list: list of freeable non-index LEBs (free + dirty == @leb_size)
* @frdi_idx_list: list of freeable index LEBs (free + dirty == @leb_size)
* @freeable_cnt: number of freeable LEBs in @freeable_list
+ * @in_a_category_cnt: count of lprops which are in a certain category, which
+ * basically meants that they were loaded from the flash
*
* @ltab_lnum: LEB number of LPT's own lprops table
* @ltab_offs: offset of LPT's own lprops table
@@ -1207,6 +1218,7 @@ struct ubifs_debug_info;
* @need_recovery: %1 if the file-system needs recovery
* @replaying: %1 during journal replay
* @mounting: %1 while mounting
+ * @probing: %1 while attempting to mount if MS_SILENT mount flag is set
* @remounting_rw: %1 while re-mounting from R/O mode to R/W mode
* @replay_list: temporary list used during journal replay
* @replay_buds: list of buds to replay
@@ -1416,6 +1428,7 @@ struct ubifs_info {
struct list_head freeable_list;
struct list_head frdi_idx_list;
int freeable_cnt;
+ int in_a_category_cnt;
int ltab_lnum;
int ltab_offs;
@@ -1429,8 +1442,8 @@ struct ubifs_info {
long long rp_size;
long long report_rp_size;
- uid_t rp_uid;
- gid_t rp_gid;
+ kuid_t rp_uid;
+ kgid_t rp_gid;
/* The below fields are used only during mounting and re-mounting */
unsigned int empty:1;
@@ -1438,6 +1451,7 @@ struct ubifs_info {
unsigned int replaying:1;
unsigned int mounting:1;
unsigned int remounting_rw:1;
+ unsigned int probing:1;
struct list_head replay_list;
struct list_head replay_buds;
unsigned long long cs_sqnum;
@@ -1447,9 +1461,7 @@ struct ubifs_info {
struct rb_root size_tree;
struct ubifs_mount_opts mount_opts;
-#ifdef CONFIG_UBIFS_FS_DEBUG
struct ubifs_debug_info *dbg;
-#endif
};
extern struct list_head ubifs_infos;
@@ -1471,22 +1483,20 @@ void ubifs_ro_mode(struct ubifs_info *c, int err);
int ubifs_leb_read(const struct ubifs_info *c, int lnum, void *buf, int offs,
int len, int even_ebadmsg);
int ubifs_leb_write(struct ubifs_info *c, int lnum, const void *buf, int offs,
- int len, int dtype);
-int ubifs_leb_change(struct ubifs_info *c, int lnum, const void *buf, int len,
- int dtype);
+ int len);
+int ubifs_leb_change(struct ubifs_info *c, int lnum, const void *buf, int len);
int ubifs_leb_unmap(struct ubifs_info *c, int lnum);
-int ubifs_leb_map(struct ubifs_info *c, int lnum, int dtype);
+int ubifs_leb_map(struct ubifs_info *c, int lnum);
int ubifs_is_mapped(const struct ubifs_info *c, int lnum);
int ubifs_wbuf_write_nolock(struct ubifs_wbuf *wbuf, void *buf, int len);
-int ubifs_wbuf_seek_nolock(struct ubifs_wbuf *wbuf, int lnum, int offs,
- int dtype);
+int ubifs_wbuf_seek_nolock(struct ubifs_wbuf *wbuf, int lnum, int offs);
int ubifs_wbuf_init(struct ubifs_info *c, struct ubifs_wbuf *wbuf);
int ubifs_read_node(const struct ubifs_info *c, void *buf, int type, int len,
int lnum, int offs);
int ubifs_read_node_wbuf(struct ubifs_wbuf *wbuf, void *buf, int type, int len,
int lnum, int offs);
int ubifs_write_node(struct ubifs_info *c, void *node, int len, int lnum,
- int offs, int dtype);
+ int offs);
int ubifs_check_node(const struct ubifs_info *c, const void *buf, int lnum,
int offs, int quiet, int must_chk_crc);
void ubifs_prepare_node(struct ubifs_info *c, void *buf, int len, int pad);
@@ -1625,7 +1635,10 @@ int ubifs_tnc_start_commit(struct ubifs_info *c, struct ubifs_zbranch *zroot);
int ubifs_tnc_end_commit(struct ubifs_info *c);
/* shrinker.c */
-int ubifs_shrinker(struct shrinker *shrink, struct shrink_control *sc);
+unsigned long ubifs_shrink_scan(struct shrinker *shrink,
+ struct shrink_control *sc);
+unsigned long ubifs_shrink_count(struct shrinker *shrink,
+ struct shrink_control *sc);
/* commit.c */
int ubifs_bg_thread(void *info);
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-11-09 16:03:46 +0000