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path: root/fs/xfs/libxfs/xfs_shared.h
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Diffstat (limited to 'fs/xfs/libxfs/xfs_shared.h')
-rw-r--r--fs/xfs/libxfs/xfs_shared.h157
1 files changed, 117 insertions, 40 deletions
diff --git a/fs/xfs/libxfs/xfs_shared.h b/fs/xfs/libxfs/xfs_shared.h
index c45acbd3add9..b1e0d9bc1f7d 100644
--- a/fs/xfs/libxfs/xfs_shared.h
+++ b/fs/xfs/libxfs/xfs_shared.h
@@ -22,30 +22,104 @@ struct xfs_inode;
* Buffer verifier operations are widely used, including userspace tools
*/
extern const struct xfs_buf_ops xfs_agf_buf_ops;
-extern const struct xfs_buf_ops xfs_agi_buf_ops;
-extern const struct xfs_buf_ops xfs_agf_buf_ops;
extern const struct xfs_buf_ops xfs_agfl_buf_ops;
-extern const struct xfs_buf_ops xfs_bnobt_buf_ops;
-extern const struct xfs_buf_ops xfs_cntbt_buf_ops;
-extern const struct xfs_buf_ops xfs_rmapbt_buf_ops;
-extern const struct xfs_buf_ops xfs_refcountbt_buf_ops;
+extern const struct xfs_buf_ops xfs_agi_buf_ops;
extern const struct xfs_buf_ops xfs_attr3_leaf_buf_ops;
extern const struct xfs_buf_ops xfs_attr3_rmt_buf_ops;
extern const struct xfs_buf_ops xfs_bmbt_buf_ops;
+extern const struct xfs_buf_ops xfs_bnobt_buf_ops;
+extern const struct xfs_buf_ops xfs_cntbt_buf_ops;
extern const struct xfs_buf_ops xfs_da3_node_buf_ops;
extern const struct xfs_buf_ops xfs_dquot_buf_ops;
-extern const struct xfs_buf_ops xfs_symlink_buf_ops;
-extern const struct xfs_buf_ops xfs_agi_buf_ops;
-extern const struct xfs_buf_ops xfs_inobt_buf_ops;
+extern const struct xfs_buf_ops xfs_dquot_buf_ra_ops;
extern const struct xfs_buf_ops xfs_finobt_buf_ops;
+extern const struct xfs_buf_ops xfs_inobt_buf_ops;
extern const struct xfs_buf_ops xfs_inode_buf_ops;
extern const struct xfs_buf_ops xfs_inode_buf_ra_ops;
-extern const struct xfs_buf_ops xfs_dquot_buf_ops;
-extern const struct xfs_buf_ops xfs_dquot_buf_ra_ops;
+extern const struct xfs_buf_ops xfs_refcountbt_buf_ops;
+extern const struct xfs_buf_ops xfs_rmapbt_buf_ops;
+extern const struct xfs_buf_ops xfs_rtbitmap_buf_ops;
+extern const struct xfs_buf_ops xfs_rtsummary_buf_ops;
+extern const struct xfs_buf_ops xfs_rtbuf_ops;
+extern const struct xfs_buf_ops xfs_rtsb_buf_ops;
+extern const struct xfs_buf_ops xfs_rtrefcountbt_buf_ops;
+extern const struct xfs_buf_ops xfs_rtrmapbt_buf_ops;
extern const struct xfs_buf_ops xfs_sb_buf_ops;
extern const struct xfs_buf_ops xfs_sb_quiet_buf_ops;
extern const struct xfs_buf_ops xfs_symlink_buf_ops;
-extern const struct xfs_buf_ops xfs_rtbuf_ops;
+
+/* btree ops */
+extern const struct xfs_btree_ops xfs_bnobt_ops;
+extern const struct xfs_btree_ops xfs_cntbt_ops;
+extern const struct xfs_btree_ops xfs_inobt_ops;
+extern const struct xfs_btree_ops xfs_finobt_ops;
+extern const struct xfs_btree_ops xfs_bmbt_ops;
+extern const struct xfs_btree_ops xfs_refcountbt_ops;
+extern const struct xfs_btree_ops xfs_rmapbt_ops;
+extern const struct xfs_btree_ops xfs_rmapbt_mem_ops;
+extern const struct xfs_btree_ops xfs_rtrmapbt_ops;
+extern const struct xfs_btree_ops xfs_rtrmapbt_mem_ops;
+extern const struct xfs_btree_ops xfs_rtrefcountbt_ops;
+
+static inline bool xfs_btree_is_bno(const struct xfs_btree_ops *ops)
+{
+ return ops == &xfs_bnobt_ops;
+}
+
+static inline bool xfs_btree_is_cnt(const struct xfs_btree_ops *ops)
+{
+ return ops == &xfs_cntbt_ops;
+}
+
+static inline bool xfs_btree_is_bmap(const struct xfs_btree_ops *ops)
+{
+ return ops == &xfs_bmbt_ops;
+}
+
+static inline bool xfs_btree_is_ino(const struct xfs_btree_ops *ops)
+{
+ return ops == &xfs_inobt_ops;
+}
+
+static inline bool xfs_btree_is_fino(const struct xfs_btree_ops *ops)
+{
+ return ops == &xfs_finobt_ops;
+}
+
+static inline bool xfs_btree_is_refcount(const struct xfs_btree_ops *ops)
+{
+ return ops == &xfs_refcountbt_ops;
+}
+
+static inline bool xfs_btree_is_rmap(const struct xfs_btree_ops *ops)
+{
+ return ops == &xfs_rmapbt_ops;
+}
+
+#ifdef CONFIG_XFS_BTREE_IN_MEM
+static inline bool xfs_btree_is_mem_rmap(const struct xfs_btree_ops *ops)
+{
+ return ops == &xfs_rmapbt_mem_ops;
+}
+
+static inline bool xfs_btree_is_mem_rtrmap(const struct xfs_btree_ops *ops)
+{
+ return ops == &xfs_rtrmapbt_mem_ops;
+}
+#else
+# define xfs_btree_is_mem_rmap(...) (false)
+# define xfs_btree_is_mem_rtrmap(...) (false)
+#endif
+
+static inline bool xfs_btree_is_rtrmap(const struct xfs_btree_ops *ops)
+{
+ return ops == &xfs_rtrmapbt_ops;
+}
+
+static inline bool xfs_btree_is_rtrefcount(const struct xfs_btree_ops *ops)
+{
+ return ops == &xfs_rtrefcountbt_ops;
+}
/* log size calculation functions */
int xfs_log_calc_unit_res(struct xfs_mount *mp, int unit_bytes);
@@ -58,13 +132,22 @@ void xfs_log_get_max_trans_res(struct xfs_mount *mp,
/*
* Values for t_flags.
*/
-#define XFS_TRANS_DIRTY 0x01 /* something needs to be logged */
-#define XFS_TRANS_SB_DIRTY 0x02 /* superblock is modified */
-#define XFS_TRANS_PERM_LOG_RES 0x04 /* xact took a permanent log res */
-#define XFS_TRANS_SYNC 0x08 /* make commit synchronous */
-#define XFS_TRANS_DQ_DIRTY 0x10 /* at least one dquot in trx dirty */
-#define XFS_TRANS_RESERVE 0x20 /* OK to use reserved data blocks */
-#define XFS_TRANS_NO_WRITECOUNT 0x40 /* do not elevate SB writecount */
+/* Transaction needs to be logged */
+#define XFS_TRANS_DIRTY (1u << 0)
+/* Superblock is dirty and needs to be logged */
+#define XFS_TRANS_SB_DIRTY (1u << 1)
+/* Transaction took a permanent log reservation */
+#define XFS_TRANS_PERM_LOG_RES (1u << 2)
+/* Synchronous transaction commit needed */
+#define XFS_TRANS_SYNC (1u << 3)
+/* Transaction can use reserve block pool */
+#define XFS_TRANS_RESERVE (1u << 4)
+/* Transaction should avoid VFS level superblock write accounting */
+#define XFS_TRANS_NO_WRITECOUNT (1u << 5)
+/* Transaction has freed blocks returned to it's reservation */
+#define XFS_TRANS_RES_FDBLKS (1u << 6)
+/* Transaction contains an intent done log item */
+#define XFS_TRANS_HAS_INTENT_DONE (1u << 7)
/*
* LOWMODE is used by the allocator to activate the lowspace algorithm - when
* free space is running low the extent allocator may choose to allocate an
@@ -76,7 +159,10 @@ void xfs_log_get_max_trans_res(struct xfs_mount *mp,
* for free space from AG 0. If the correct transaction reservations have been
* made then this algorithm will eventually find all the space it needs.
*/
-#define XFS_TRANS_LOWMODE 0x100 /* allocate in low space mode */
+#define XFS_TRANS_LOWMODE (1u << 8)
+
+/* Transaction has locked the rtbitmap and rtsum inodes */
+#define XFS_TRANS_RTBITMAP_LOCKED (1u << 9)
/*
* Field values for xfs_trans_mod_sb.
@@ -95,6 +181,7 @@ void xfs_log_get_max_trans_res(struct xfs_mount *mp,
#define XFS_TRANS_SB_RBLOCKS 0x00000800
#define XFS_TRANS_SB_REXTENTS 0x00001000
#define XFS_TRANS_SB_REXTSLOG 0x00002000
+#define XFS_TRANS_SB_RGCOUNT 0x00004000
/*
* Here we centralize the specification of XFS meta-data buffer reference count
@@ -115,26 +202,6 @@ void xfs_log_get_max_trans_res(struct xfs_mount *mp,
#define XFS_REFC_BTREE_REF 1
#define XFS_SSB_REF 0
-/*
- * Flags for xfs_trans_ichgtime().
- */
-#define XFS_ICHGTIME_MOD 0x1 /* data fork modification timestamp */
-#define XFS_ICHGTIME_CHG 0x2 /* inode field change timestamp */
-#define XFS_ICHGTIME_CREATE 0x4 /* inode create timestamp */
-
-
-/*
- * Symlink decoding/encoding functions
- */
-int xfs_symlink_blocks(struct xfs_mount *mp, int pathlen);
-int xfs_symlink_hdr_set(struct xfs_mount *mp, xfs_ino_t ino, uint32_t offset,
- uint32_t size, struct xfs_buf *bp);
-bool xfs_symlink_hdr_ok(xfs_ino_t ino, uint32_t offset,
- uint32_t size, struct xfs_buf *bp);
-void xfs_symlink_local_to_remote(struct xfs_trans *tp, struct xfs_buf *bp,
- struct xfs_inode *ip, struct xfs_ifork *ifp);
-xfs_failaddr_t xfs_symlink_shortform_verify(struct xfs_inode *ip);
-
/* Computed inode geometry for the filesystem. */
struct xfs_ino_geometry {
/* Maximum inode count in this filesystem. */
@@ -175,6 +242,16 @@ struct xfs_ino_geometry {
unsigned int ialloc_align;
unsigned int agino_log; /* #bits for agino in inum */
+
+ /* precomputed default inode attribute fork offset */
+ unsigned int attr_fork_offset;
+
+ /* precomputed value for di_flags2 */
+ uint64_t new_diflags2;
+
+ /* minimum folio order of a page cache allocation */
+ unsigned int min_folio_order;
+
};
#endif /* __XFS_SHARED_H__ */