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path: root/fs/xfs/libxfs/xfs_bmap.h
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Diffstat (limited to 'fs/xfs/libxfs/xfs_bmap.h')
-rw-r--r--fs/xfs/libxfs/xfs_bmap.h127
1 files changed, 80 insertions, 47 deletions
diff --git a/fs/xfs/libxfs/xfs_bmap.h b/fs/xfs/libxfs/xfs_bmap.h
index 03d9aaf87413..d5f2729305fa 100644
--- a/fs/xfs/libxfs/xfs_bmap.h
+++ b/fs/xfs/libxfs/xfs_bmap.h
@@ -12,6 +12,7 @@ struct xfs_ifork;
struct xfs_inode;
struct xfs_mount;
struct xfs_trans;
+struct xfs_alloc_arg;
/*
* Argument structure for xfs_bmap_alloc.
@@ -39,7 +40,7 @@ struct xfs_bmalloca {
bool aeof; /* allocated space at eof */
bool conv; /* overwriting unwritten extents */
int datatype;/* data type being allocated */
- int flags;
+ uint32_t flags;
};
#define XFS_BMAP_MAX_NMAP 4
@@ -47,17 +48,17 @@ struct xfs_bmalloca {
/*
* Flags for xfs_bmapi_*
*/
-#define XFS_BMAPI_ENTIRE 0x001 /* return entire extent, not trimmed */
-#define XFS_BMAPI_METADATA 0x002 /* mapping metadata not user data */
-#define XFS_BMAPI_ATTRFORK 0x004 /* use attribute fork not data */
-#define XFS_BMAPI_PREALLOC 0x008 /* preallocation op: unwritten space */
-#define XFS_BMAPI_CONTIG 0x020 /* must allocate only one extent */
+#define XFS_BMAPI_ENTIRE (1u << 0) /* return entire extent untrimmed */
+#define XFS_BMAPI_METADATA (1u << 1) /* mapping metadata not user data */
+#define XFS_BMAPI_ATTRFORK (1u << 2) /* use attribute fork not data */
+#define XFS_BMAPI_PREALLOC (1u << 3) /* preallocating unwritten space */
+#define XFS_BMAPI_CONTIG (1u << 4) /* must allocate only one extent */
/*
* unwritten extent conversion - this needs write cache flushing and no additional
* allocation alignments. When specified with XFS_BMAPI_PREALLOC it converts
* from written to unwritten, otherwise convert from unwritten to written.
*/
-#define XFS_BMAPI_CONVERT 0x040
+#define XFS_BMAPI_CONVERT (1u << 5)
/*
* allocate zeroed extents - this requires all newly allocated user data extents
@@ -65,7 +66,7 @@ struct xfs_bmalloca {
* Use in conjunction with XFS_BMAPI_CONVERT to convert unwritten extents found
* during the allocation range to zeroed written extents.
*/
-#define XFS_BMAPI_ZERO 0x080
+#define XFS_BMAPI_ZERO (1u << 6)
/*
* Map the inode offset to the block given in ap->firstblock. Primarily
@@ -75,16 +76,19 @@ struct xfs_bmalloca {
* For bunmapi, this flag unmaps the range without adjusting quota, reducing
* refcount, or freeing the blocks.
*/
-#define XFS_BMAPI_REMAP 0x100
+#define XFS_BMAPI_REMAP (1u << 7)
/* Map something in the CoW fork. */
-#define XFS_BMAPI_COWFORK 0x200
+#define XFS_BMAPI_COWFORK (1u << 8)
/* Skip online discard of freed extents */
-#define XFS_BMAPI_NODISCARD 0x1000
+#define XFS_BMAPI_NODISCARD (1u << 9)
/* Do not update the rmap btree. Used for reconstructing bmbt from rmapbt. */
-#define XFS_BMAPI_NORMAP 0x2000
+#define XFS_BMAPI_NORMAP (1u << 10)
+
+/* Try to align allocations to the extent size hint */
+#define XFS_BMAPI_EXTSZALIGN (1u << 11)
#define XFS_BMAPI_FLAGS \
{ XFS_BMAPI_ENTIRE, "ENTIRE" }, \
@@ -97,7 +101,8 @@ struct xfs_bmalloca {
{ XFS_BMAPI_REMAP, "REMAP" }, \
{ XFS_BMAPI_COWFORK, "COWFORK" }, \
{ XFS_BMAPI_NODISCARD, "NODISCARD" }, \
- { XFS_BMAPI_NORMAP, "NORMAP" }
+ { XFS_BMAPI_NORMAP, "NORMAP" },\
+ { XFS_BMAPI_EXTSZALIGN, "EXTSZALIGN" }
static inline int xfs_bmapi_aflag(int w)
@@ -106,7 +111,7 @@ static inline int xfs_bmapi_aflag(int w)
(w == XFS_COW_FORK ? XFS_BMAPI_COWFORK : 0));
}
-static inline int xfs_bmapi_whichfork(int bmapi_flags)
+static inline int xfs_bmapi_whichfork(uint32_t bmapi_flags)
{
if (bmapi_flags & XFS_BMAPI_COWFORK)
return XFS_COW_FORK;
@@ -115,6 +120,8 @@ static inline int xfs_bmapi_whichfork(int bmapi_flags)
return XFS_DATA_FORK;
}
+void xfs_bmap_alloc_account(struct xfs_bmalloca *ap);
+
/*
* Special values for xfs_bmbt_irec_t br_startblock field.
*/
@@ -124,16 +131,16 @@ static inline int xfs_bmapi_whichfork(int bmapi_flags)
/*
* Flags for xfs_bmap_add_extent*.
*/
-#define BMAP_LEFT_CONTIG (1 << 0)
-#define BMAP_RIGHT_CONTIG (1 << 1)
-#define BMAP_LEFT_FILLING (1 << 2)
-#define BMAP_RIGHT_FILLING (1 << 3)
-#define BMAP_LEFT_DELAY (1 << 4)
-#define BMAP_RIGHT_DELAY (1 << 5)
-#define BMAP_LEFT_VALID (1 << 6)
-#define BMAP_RIGHT_VALID (1 << 7)
-#define BMAP_ATTRFORK (1 << 8)
-#define BMAP_COWFORK (1 << 9)
+#define BMAP_LEFT_CONTIG (1u << 0)
+#define BMAP_RIGHT_CONTIG (1u << 1)
+#define BMAP_LEFT_FILLING (1u << 2)
+#define BMAP_RIGHT_FILLING (1u << 3)
+#define BMAP_LEFT_DELAY (1u << 4)
+#define BMAP_RIGHT_DELAY (1u << 5)
+#define BMAP_LEFT_VALID (1u << 6)
+#define BMAP_RIGHT_VALID (1u << 7)
+#define BMAP_ATTRFORK (1u << 8)
+#define BMAP_COWFORK (1u << 9)
#define XFS_BMAP_EXT_FLAGS \
{ BMAP_LEFT_CONTIG, "LC" }, \
@@ -144,7 +151,7 @@ static inline int xfs_bmapi_whichfork(int bmapi_flags)
{ BMAP_COWFORK, "COW" }
/* Return true if the extent is an allocated extent, written or not. */
-static inline bool xfs_bmap_is_real_extent(struct xfs_bmbt_irec *irec)
+static inline bool xfs_bmap_is_real_extent(const struct xfs_bmbt_irec *irec)
{
return irec->br_startblock != HOLESTARTBLOCK &&
irec->br_startblock != DELAYSTARTBLOCK &&
@@ -155,7 +162,7 @@ static inline bool xfs_bmap_is_real_extent(struct xfs_bmbt_irec *irec)
* Return true if the extent is a real, allocated extent, or false if it is a
* delayed allocation, and unwritten extent or a hole.
*/
-static inline bool xfs_bmap_is_written_extent(struct xfs_bmbt_irec *irec)
+static inline bool xfs_bmap_is_written_extent(const struct xfs_bmbt_irec *irec)
{
return xfs_bmap_is_real_extent(irec) &&
irec->br_state != XFS_EXT_UNWRITTEN;
@@ -168,12 +175,21 @@ static inline bool xfs_bmap_is_written_extent(struct xfs_bmbt_irec *irec)
#define xfs_valid_startblock(ip, startblock) \
((startblock) != 0 || XFS_IS_REALTIME_INODE(ip))
+int xfs_bmap_longest_free_extent(struct xfs_perag *pag,
+ struct xfs_trans *tp, xfs_extlen_t *blen);
void xfs_trim_extent(struct xfs_bmbt_irec *irec, xfs_fileoff_t bno,
xfs_filblks_t len);
unsigned int xfs_bmap_compute_attr_offset(struct xfs_mount *mp);
-int xfs_bmap_add_attrfork(struct xfs_inode *ip, int size, int rsvd);
+int xfs_bmap_add_attrfork(struct xfs_trans *tp, struct xfs_inode *ip,
+ int size, int rsvd);
void xfs_bmap_local_to_extents_empty(struct xfs_trans *tp,
struct xfs_inode *ip, int whichfork);
+int xfs_bmap_local_to_extents(struct xfs_trans *tp, struct xfs_inode *ip,
+ xfs_extlen_t total, int *logflagsp, int whichfork,
+ void (*init_fn)(struct xfs_trans *tp, struct xfs_buf *bp,
+ struct xfs_inode *ip, struct xfs_ifork *ifp,
+ void *priv),
+ void *priv);
void xfs_bmap_compute_maxlevels(struct xfs_mount *mp, int whichfork);
int xfs_bmap_first_unused(struct xfs_trans *tp, struct xfs_inode *ip,
xfs_extlen_t len, xfs_fileoff_t *unused, int whichfork);
@@ -183,19 +199,16 @@ int xfs_bmap_last_offset(struct xfs_inode *ip, xfs_fileoff_t *unused,
int whichfork);
int xfs_bmapi_read(struct xfs_inode *ip, xfs_fileoff_t bno,
xfs_filblks_t len, struct xfs_bmbt_irec *mval,
- int *nmap, int flags);
+ int *nmap, uint32_t flags);
int xfs_bmapi_write(struct xfs_trans *tp, struct xfs_inode *ip,
- xfs_fileoff_t bno, xfs_filblks_t len, int flags,
+ xfs_fileoff_t bno, xfs_filblks_t len, uint32_t flags,
xfs_extlen_t total, struct xfs_bmbt_irec *mval, int *nmap);
-int __xfs_bunmapi(struct xfs_trans *tp, struct xfs_inode *ip,
- xfs_fileoff_t bno, xfs_filblks_t *rlen, int flags,
- xfs_extnum_t nexts);
int xfs_bunmapi(struct xfs_trans *tp, struct xfs_inode *ip,
- xfs_fileoff_t bno, xfs_filblks_t len, int flags,
+ xfs_fileoff_t bno, xfs_filblks_t len, uint32_t flags,
xfs_extnum_t nexts, int *done);
-int xfs_bmap_del_extent_delay(struct xfs_inode *ip, int whichfork,
+void xfs_bmap_del_extent_delay(struct xfs_inode *ip, int whichfork,
struct xfs_iext_cursor *cur, struct xfs_bmbt_irec *got,
- struct xfs_bmbt_irec *del);
+ struct xfs_bmbt_irec *del, uint32_t bflags);
void xfs_bmap_del_extent_cow(struct xfs_inode *ip,
struct xfs_iext_cursor *cur, struct xfs_bmbt_irec *got,
struct xfs_bmbt_irec *del);
@@ -210,40 +223,43 @@ int xfs_bmap_insert_extents(struct xfs_trans *tp, struct xfs_inode *ip,
bool *done, xfs_fileoff_t stop_fsb);
int xfs_bmap_split_extent(struct xfs_trans *tp, struct xfs_inode *ip,
xfs_fileoff_t split_offset);
-int xfs_bmapi_reserve_delalloc(struct xfs_inode *ip, int whichfork,
- xfs_fileoff_t off, xfs_filblks_t len, xfs_filblks_t prealloc,
- struct xfs_bmbt_irec *got, struct xfs_iext_cursor *cur,
- int eof);
int xfs_bmapi_convert_delalloc(struct xfs_inode *ip, int whichfork,
xfs_off_t offset, struct iomap *iomap, unsigned int *seq);
int xfs_bmap_add_extent_unwritten_real(struct xfs_trans *tp,
struct xfs_inode *ip, int whichfork,
struct xfs_iext_cursor *icur, struct xfs_btree_cur **curp,
struct xfs_bmbt_irec *new, int *logflagsp);
+xfs_extlen_t xfs_bmapi_minleft(struct xfs_trans *tp, struct xfs_inode *ip,
+ int fork);
+int xfs_bmap_btalloc_low_space(struct xfs_bmalloca *ap,
+ struct xfs_alloc_arg *args);
+xfs_filblks_t xfs_bmap_worst_indlen(struct xfs_inode *ip, xfs_filblks_t len);
enum xfs_bmap_intent_type {
XFS_BMAP_MAP = 1,
XFS_BMAP_UNMAP,
};
+#define XFS_BMAP_INTENT_STRINGS \
+ { XFS_BMAP_MAP, "map" }, \
+ { XFS_BMAP_UNMAP, "unmap" }
+
struct xfs_bmap_intent {
struct list_head bi_list;
enum xfs_bmap_intent_type bi_type;
int bi_whichfork;
struct xfs_inode *bi_owner;
+ struct xfs_group *bi_group;
struct xfs_bmbt_irec bi_bmap;
};
-int xfs_bmap_finish_one(struct xfs_trans *tp, struct xfs_inode *ip,
- enum xfs_bmap_intent_type type, int whichfork,
- xfs_fileoff_t startoff, xfs_fsblock_t startblock,
- xfs_filblks_t *blockcount, xfs_exntst_t state);
+int xfs_bmap_finish_one(struct xfs_trans *tp, struct xfs_bmap_intent *bi);
void xfs_bmap_map_extent(struct xfs_trans *tp, struct xfs_inode *ip,
- struct xfs_bmbt_irec *imap);
+ int whichfork, struct xfs_bmbt_irec *imap);
void xfs_bmap_unmap_extent(struct xfs_trans *tp, struct xfs_inode *ip,
- struct xfs_bmbt_irec *imap);
+ int whichfork, struct xfs_bmbt_irec *imap);
-static inline int xfs_bmap_fork_to_state(int whichfork)
+static inline uint32_t xfs_bmap_fork_to_state(int whichfork)
{
switch (whichfork) {
case XFS_ATTR_FORK:
@@ -255,16 +271,33 @@ static inline int xfs_bmap_fork_to_state(int whichfork)
}
}
+xfs_failaddr_t xfs_bmap_validate_extent_raw(struct xfs_mount *mp, bool rtfile,
+ int whichfork, struct xfs_bmbt_irec *irec);
xfs_failaddr_t xfs_bmap_validate_extent(struct xfs_inode *ip, int whichfork,
struct xfs_bmbt_irec *irec);
+int xfs_bmap_complain_bad_rec(struct xfs_inode *ip, int whichfork,
+ xfs_failaddr_t fa, const struct xfs_bmbt_irec *irec);
int xfs_bmapi_remap(struct xfs_trans *tp, struct xfs_inode *ip,
xfs_fileoff_t bno, xfs_filblks_t len, xfs_fsblock_t startblock,
- int flags);
+ uint32_t flags);
+int xfs_bunmapi_range(struct xfs_trans **tpp, struct xfs_inode *ip,
+ uint32_t flags, xfs_fileoff_t startoff, xfs_fileoff_t endoff);
extern struct kmem_cache *xfs_bmap_intent_cache;
int __init xfs_bmap_intent_init_cache(void);
void xfs_bmap_intent_destroy_cache(void);
+typedef int (*xfs_bmap_query_range_fn)(
+ struct xfs_btree_cur *cur,
+ struct xfs_bmbt_irec *rec,
+ void *priv);
+
+int xfs_bmap_query_all(struct xfs_btree_cur *cur, xfs_bmap_query_range_fn fn,
+ void *priv);
+
+xfs_extlen_t xfs_get_extsz_hint(struct xfs_inode *ip);
+xfs_extlen_t xfs_get_cowextsz_hint(struct xfs_inode *ip);
+
#endif /* __XFS_BMAP_H__ */
generated by cgit (git 2.34.1) at 2025-12-25 15:06:28 +0000