| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| David Chinner | 295 | 53.25% | 15 | 36.59% |
| Darrick J. Wong | 118 | 21.30% | 10 | 24.39% |
| Barry Naujok | 53 | 9.57% | 2 | 4.88% |
| Christoph Hellwig | 48 | 8.66% | 6 | 14.63% |
| Jie Liu | 14 | 2.53% | 2 | 4.88% |
| Shaokun Zhang | 13 | 2.35% | 1 | 2.44% |
| Brian Foster | 10 | 1.81% | 3 | 7.32% |
| Mark Tinguely | 2 | 0.36% | 1 | 2.44% |
| Nathan Scott | 1 | 0.18% | 1 | 2.44% |
| Total | 554 | 41 |
// SPDX-License-Identifier: GPL-2.0 /* * Copyright (c) 2000-2005 Silicon Graphics, Inc. * Copyright (c) 2013 Red Hat, Inc. * All Rights Reserved. */ #ifndef __XFS_SHARED_H__ #define __XFS_SHARED_H__ /* * Definitions shared between kernel and userspace that don't fit into any other * header file that is shared with userspace. */ struct xfs_ifork; struct xfs_buf; struct xfs_buf_ops; struct xfs_mount; struct xfs_trans; 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_agfl_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_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_refcountbt_buf_ops; extern const struct xfs_buf_ops xfs_rmapbt_buf_ops; extern const struct xfs_buf_ops xfs_rtbuf_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; /* log size calculation functions */ int xfs_log_calc_unit_res(struct xfs_mount *mp, int unit_bytes); int xfs_log_calc_minimum_size(struct xfs_mount *); struct xfs_trans_res; void xfs_log_get_max_trans_res(struct xfs_mount *mp, struct xfs_trans_res *max_resp); /* * Values for t_flags. */ /* 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 * extent from an AG without leaving sufficient space for a btree split when * inserting the new extent. In this case the allocator will enable the * lowspace algorithm which is supposed to allow further allocations (such as * btree splits and newroots) to allocate from sequential AGs. In order to * avoid locking AGs out of order the lowspace algorithm will start searching * 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 */ /* * Field values for xfs_trans_mod_sb. */ #define XFS_TRANS_SB_ICOUNT 0x00000001 #define XFS_TRANS_SB_IFREE 0x00000002 #define XFS_TRANS_SB_FDBLOCKS 0x00000004 #define XFS_TRANS_SB_RES_FDBLOCKS 0x00000008 #define XFS_TRANS_SB_FREXTENTS 0x00000010 #define XFS_TRANS_SB_RES_FREXTENTS 0x00000020 #define XFS_TRANS_SB_DBLOCKS 0x00000040 #define XFS_TRANS_SB_AGCOUNT 0x00000080 #define XFS_TRANS_SB_IMAXPCT 0x00000100 #define XFS_TRANS_SB_REXTSIZE 0x00000200 #define XFS_TRANS_SB_RBMBLOCKS 0x00000400 #define XFS_TRANS_SB_RBLOCKS 0x00000800 #define XFS_TRANS_SB_REXTENTS 0x00001000 #define XFS_TRANS_SB_REXTSLOG 0x00002000 /* * Here we centralize the specification of XFS meta-data buffer reference count * values. This determines how hard the buffer cache tries to hold onto the * buffer. */ #define XFS_AGF_REF 4 #define XFS_AGI_REF 4 #define XFS_AGFL_REF 3 #define XFS_INO_BTREE_REF 3 #define XFS_ALLOC_BTREE_REF 2 #define XFS_BMAP_BTREE_REF 2 #define XFS_RMAP_BTREE_REF 2 #define XFS_DIR_BTREE_REF 2 #define XFS_INO_REF 2 #define XFS_ATTR_BTREE_REF 1 #define XFS_DQUOT_REF 1 #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(void *sfp, int64_t size); /* Computed inode geometry for the filesystem. */ struct xfs_ino_geometry { /* Maximum inode count in this filesystem. */ uint64_t maxicount; /* Actual inode cluster buffer size, in bytes. */ unsigned int inode_cluster_size; /* * Desired inode cluster buffer size, in bytes. This value is not * rounded up to at least one filesystem block, which is necessary for * the sole purpose of validating sb_spino_align. Runtime code must * only ever use inode_cluster_size. */ unsigned int inode_cluster_size_raw; /* Inode cluster sizes, adjusted to be at least 1 fsb. */ unsigned int inodes_per_cluster; unsigned int blocks_per_cluster; /* Inode cluster alignment. */ unsigned int cluster_align; unsigned int cluster_align_inodes; unsigned int inoalign_mask; /* mask sb_inoalignmt if used */ unsigned int inobt_mxr[2]; /* max inobt btree records */ unsigned int inobt_mnr[2]; /* min inobt btree records */ unsigned int inobt_maxlevels; /* max inobt btree levels. */ /* Size of inode allocations under normal operation. */ unsigned int ialloc_inos; unsigned int ialloc_blks; /* Minimum inode blocks for a sparse allocation. */ unsigned int ialloc_min_blks; /* stripe unit inode alignment */ 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; }; #endif /* __XFS_SHARED_H__ */
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