} if_u2;
} xfs_ifork_t;
+/*
+ * Inode location information. Stored in the inode and passed to
+ * xfs_imap_to_bp() to get a buffer and dinode for a given inode.
+ */
+struct xfs_imap {
+ xfs_daddr_t im_blkno; /* starting BB of inode chunk */
+ ushort im_len; /* length in BBs of inode chunk */
+ ushort im_boffset; /* inode offset in block in bytes */
+};
+
/*
* This is the xfs in-core inode structure.
* Most of the on-disk inode is embedded in the i_d field.
#define XFS_IFBROOT 0x04 /* i_broot points to the bmap b-tree root */
#define XFS_IFEXTIREC 0x08 /* Indirection array of extent blocks */
-/*
- * Flags for xfs_inotobp and xfs_imap().
- */
-#define XFS_IMAP_BULKSTAT 0x1
-
/*
* Fork handling.
*/
#if defined(XFS_ILOCK_TRACE)
#define XFS_ILOCK_KTRACE_SIZE 32
-extern ktrace_t *xfs_ilock_trace_buf;
extern void xfs_ilock_trace(struct xfs_inode *, int, unsigned int, inst_t *);
#else
#define xfs_ilock_trace(i,n,f,ra)
/* Inode location stuff */
xfs_ino_t i_ino; /* inode number (agno/agino)*/
- xfs_daddr_t i_blkno; /* blkno of inode buffer */
- ushort i_len; /* len of inode buffer */
- ushort i_boffset; /* off of inode in buffer */
+ struct xfs_imap i_imap; /* location for xfs_imap() */
/* Extent information. */
xfs_ifork_t *i_afp; /* attribute fork pointer */
/*
* In-core inode flags.
*/
-#define XFS_IGRIO 0x0001 /* inode used for guaranteed rate i/o */
-#define XFS_IUIOSZ 0x0002 /* inode i/o sizes have been explicitly set */
-#define XFS_IQUIESCE 0x0004 /* we have started quiescing for this inode */
-#define XFS_IRECLAIM 0x0008 /* we have started reclaiming this inode */
-#define XFS_ISTALE 0x0010 /* inode has been staled */
-#define XFS_IRECLAIMABLE 0x0020 /* inode can be reclaimed */
-#define XFS_INEW 0x0040
-#define XFS_IFILESTREAM 0x0080 /* inode is in a filestream directory */
-#define XFS_IMODIFIED 0x0100 /* XFS inode state possibly differs */
- /* to the Linux inode state. */
-#define XFS_ITRUNCATED 0x0200 /* truncated down so flush-on-close */
+#define XFS_IRECLAIM 0x0001 /* we have started reclaiming this inode */
+#define XFS_ISTALE 0x0002 /* inode has been staled */
+#define XFS_IRECLAIMABLE 0x0004 /* inode can be reclaimed */
+#define XFS_INEW 0x0008 /* inode has just been allocated */
+#define XFS_IFILESTREAM 0x0010 /* inode is in a filestream directory */
+#define XFS_ITRUNCATED 0x0020 /* truncated down so flush-on-close */
/*
* Flags for inode locking.
(((pip)->i_mount->m_flags & XFS_MOUNT_GRPID) || \
((pip)->i_d.di_mode & S_ISGID))
-/*
- * Flags for xfs_iget()
- */
-#define XFS_IGET_CREATE 0x1
-#define XFS_IGET_BULKSTAT 0x2
-
/*
* xfs_iget.c prototypes.
*/
-void xfs_ihash_init(struct xfs_mount *);
-void xfs_ihash_free(struct xfs_mount *);
xfs_inode_t *xfs_inode_incore(struct xfs_mount *, xfs_ino_t,
struct xfs_trans *);
int xfs_iget(struct xfs_mount *, struct xfs_trans *, xfs_ino_t,
/*
* xfs_inode.c prototypes.
*/
-int xfs_iread(struct xfs_mount *, struct xfs_trans *, xfs_ino_t,
- xfs_inode_t **, xfs_daddr_t, uint);
int xfs_ialloc(struct xfs_trans *, xfs_inode_t *, mode_t,
- xfs_nlink_t, xfs_dev_t, struct cred *, xfs_prid_t,
+ xfs_nlink_t, xfs_dev_t, cred_t *, xfs_prid_t,
int, struct xfs_buf **, boolean_t *, xfs_inode_t **);
uint xfs_ip2xflags(struct xfs_inode *);
xfs_fsize_t, int, int);
int xfs_iunlink(struct xfs_trans *, xfs_inode_t *);
-void xfs_idestroy(xfs_inode_t *);
-void xfs_iextract(xfs_inode_t *);
void xfs_iext_realloc(xfs_inode_t *, int, int);
void xfs_ipin(xfs_inode_t *);
void xfs_iunpin(xfs_inode_t *);
void xfs_synchronize_atime(xfs_inode_t *);
void xfs_mark_inode_dirty_sync(xfs_inode_t *);
+#if defined(XFS_INODE_TRACE)
+
+#define INODE_TRACE_SIZE 16 /* number of trace entries */
+#define INODE_KTRACE_ENTRY 1
+#define INODE_KTRACE_EXIT 2
+#define INODE_KTRACE_HOLD 3
+#define INODE_KTRACE_REF 4
+#define INODE_KTRACE_RELE 5
+
+extern void _xfs_itrace_entry(struct xfs_inode *, const char *, inst_t *);
+extern void _xfs_itrace_exit(struct xfs_inode *, const char *, inst_t *);
+extern void xfs_itrace_hold(struct xfs_inode *, char *, int, inst_t *);
+extern void _xfs_itrace_ref(struct xfs_inode *, char *, int, inst_t *);
+extern void xfs_itrace_rele(struct xfs_inode *, char *, int, inst_t *);
+#define xfs_itrace_entry(ip) \
+ _xfs_itrace_entry(ip, __func__, (inst_t *)__return_address)
+#define xfs_itrace_exit(ip) \
+ _xfs_itrace_exit(ip, __func__, (inst_t *)__return_address)
+#define xfs_itrace_exit_tag(ip, tag) \
+ _xfs_itrace_exit(ip, tag, (inst_t *)__return_address)
+#define xfs_itrace_ref(ip) \
+ _xfs_itrace_ref(ip, __FILE__, __LINE__, (inst_t *)__return_address)
+
+#else
+#define xfs_itrace_entry(a)
+#define xfs_itrace_exit(a)
+#define xfs_itrace_exit_tag(a, b)
+#define xfs_itrace_hold(a, b, c, d)
+#define xfs_itrace_ref(a)
+#define xfs_itrace_rele(a, b, c, d)
+#endif
+
+#define IHOLD(ip) \
+do { \
+ ASSERT(atomic_read(&VFS_I(ip)->i_count) > 0) ; \
+ atomic_inc(&(VFS_I(ip)->i_count)); \
+ xfs_itrace_hold((ip), __FILE__, __LINE__, (inst_t *)__return_address); \
+} while (0)
+
+#define IRELE(ip) \
+do { \
+ xfs_itrace_rele((ip), __FILE__, __LINE__, (inst_t *)__return_address); \
+ iput(VFS_I(ip)); \
+} while (0)
+
#endif /* __KERNEL__ */
+/*
+ * Flags for xfs_iget()
+ */
+#define XFS_IGET_CREATE 0x1
+#define XFS_IGET_BULKSTAT 0x2
+
int xfs_inotobp(struct xfs_mount *, struct xfs_trans *,
xfs_ino_t, struct xfs_dinode **,
struct xfs_buf **, int *, uint);
int xfs_itobp(struct xfs_mount *, struct xfs_trans *,
struct xfs_inode *, struct xfs_dinode **,
struct xfs_buf **, uint);
+int xfs_iread(struct xfs_mount *, struct xfs_trans *,
+ struct xfs_inode *, xfs_daddr_t, uint);
void xfs_dinode_from_disk(struct xfs_icdinode *,
struct xfs_dinode *);
void xfs_dinode_to_disk(struct xfs_dinode *,
git.openpandora.org / pandora-kernel.git / blobdiff