1 files changed, 149 insertions, 139 deletions

diff --git a/fs/xfs/xfs_inode.h b/fs/xfs/xfs_inode.h
index 1420c49674d7..7f007ef4bbb3 100644
--- a/fs/xfs/xfs_inode.h
+++ b/fs/xfs/xfs_inode.h
@@ -20,7 +20,7 @@
 
 struct xfs_dinode;
 struct xfs_dinode_core;
-
+struct xfs_inode;
 
 /*
  * Fork identifiers.
@@ -63,7 +63,7 @@ typedef struct xfs_ext_irec {
 typedef struct xfs_ifork {
         int                     if_bytes;       /* bytes in if_u1 */
         int                     if_real_bytes;  /* bytes allocated in if_u1 */
-        xfs_bmbt_block_t        *if_broot;      /* file's incore btree root */
+        struct xfs_btree_block  *if_broot;      /* file's incore btree root */
         short                   if_broot_bytes; /* bytes allocated for root */
         unsigned char           if_flags;       /* per-fork flags */
         unsigned char           if_ext_max;     /* max # of extent records */
@@ -84,54 +84,6 @@ typedef struct xfs_ifork {
 } xfs_ifork_t;
 
 /*
- * Flags for xfs_ichgtime().
- */
-#define XFS_ICHGTIME_MOD        0x1     /* data fork modification timestamp */
-#define XFS_ICHGTIME_CHG        0x2     /* inode field change timestamp */
-
-/*
- * Per-fork incore inode flags.
- */
-#define XFS_IFINLINE    0x01    /* Inline data is read in */
-#define XFS_IFEXTENTS   0x02    /* All extent pointers are read in */
-#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_itobp(), xfs_imap() and xfs_dilocate().
- */
-#define XFS_IMAP_LOOKUP         0x1
-#define XFS_IMAP_BULKSTAT       0x2
-
-#ifdef __KERNEL__
-struct bhv_desc;
-struct cred;
-struct ktrace;
-struct xfs_buf;
-struct xfs_bmap_free;
-struct xfs_bmbt_irec;
-struct xfs_bmbt_block;
-struct xfs_inode;
-struct xfs_inode_log_item;
-struct xfs_mount;
-struct xfs_trans;
-struct xfs_dquot;
-
-#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)
-#endif
-
-typedef struct dm_attrs_s {
-        __uint32_t      da_dmevmask;    /* DMIG event mask */
-        __uint16_t      da_dmstate;     /* DMIG state info */
-        __uint16_t      da_pad;         /* DMIG extra padding */
-} dm_attrs_t;
-
-/*
  * This is the xfs in-core inode structure.
  * Most of the on-disk inode is embedded in the i_d field.
  *
@@ -191,19 +143,98 @@ typedef struct xfs_icdinode {
         __uint32_t      di_gen;         /* generation number */
 } xfs_icdinode_t;
 
-typedef struct {
-        struct xfs_inode        *ip_mnext;      /* next inode in mount list */
-        struct xfs_inode        *ip_mprev;      /* ptr to prev inode */
-        struct xfs_mount        *ip_mount;      /* fs mount struct ptr */
-} xfs_iptr_t;
+/*
+ * Flags for xfs_ichgtime().
+ */
+#define XFS_ICHGTIME_MOD        0x1     /* data fork modification timestamp */
+#define XFS_ICHGTIME_CHG        0x2     /* inode field change timestamp */
+
+/*
+ * Per-fork incore inode flags.
+ */
+#define XFS_IFINLINE    0x01    /* Inline data is read in */
+#define XFS_IFEXTENTS   0x02    /* All extent pointers are read in */
+#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, xfs_itobp(), xfs_imap() and xfs_dilocate().
+ */
+#define XFS_IMAP_LOOKUP         0x1
+#define XFS_IMAP_BULKSTAT       0x2
+
+/*
+ * Fork handling.
+ */
+
+#define XFS_IFORK_Q(ip)                 ((ip)->i_d.di_forkoff != 0)
+#define XFS_IFORK_BOFF(ip)              ((int)((ip)->i_d.di_forkoff << 3))
+
+#define XFS_IFORK_PTR(ip,w)             \
+        ((w) == XFS_DATA_FORK ? \
+                &(ip)->i_df : \
+                (ip)->i_afp)
+#define XFS_IFORK_DSIZE(ip) \
+        (XFS_IFORK_Q(ip) ? \
+                XFS_IFORK_BOFF(ip) : \
+                XFS_LITINO((ip)->i_mount))
+#define XFS_IFORK_ASIZE(ip) \
+        (XFS_IFORK_Q(ip) ? \
+                XFS_LITINO((ip)->i_mount) - XFS_IFORK_BOFF(ip) : \
+                0)
+#define XFS_IFORK_SIZE(ip,w) \
+        ((w) == XFS_DATA_FORK ? \
+                XFS_IFORK_DSIZE(ip) : \
+                XFS_IFORK_ASIZE(ip))
+#define XFS_IFORK_FORMAT(ip,w) \
+        ((w) == XFS_DATA_FORK ? \
+                (ip)->i_d.di_format : \
+                (ip)->i_d.di_aformat)
+#define XFS_IFORK_FMT_SET(ip,w,n) \
+        ((w) == XFS_DATA_FORK ? \
+                ((ip)->i_d.di_format = (n)) : \
+                ((ip)->i_d.di_aformat = (n)))
+#define XFS_IFORK_NEXTENTS(ip,w) \
+        ((w) == XFS_DATA_FORK ? \
+                (ip)->i_d.di_nextents : \
+                (ip)->i_d.di_anextents)
+#define XFS_IFORK_NEXT_SET(ip,w,n) \
+        ((w) == XFS_DATA_FORK ? \
+                ((ip)->i_d.di_nextents = (n)) : \
+                ((ip)->i_d.di_anextents = (n)))
+
+
+
+#ifdef __KERNEL__
+
+struct bhv_desc;
+struct cred;
+struct ktrace;
+struct xfs_buf;
+struct xfs_bmap_free;
+struct xfs_bmbt_irec;
+struct xfs_inode_log_item;
+struct xfs_mount;
+struct xfs_trans;
+struct xfs_dquot;
+
+#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)
+#endif
+
+typedef struct dm_attrs_s {
+        __uint32_t      da_dmevmask;    /* DMIG event mask */
+        __uint16_t      da_dmstate;     /* DMIG state info */
+        __uint16_t      da_pad;         /* DMIG extra padding */
+} dm_attrs_t;
 
 typedef struct xfs_inode {
         /* Inode linking and identification information. */
-        struct xfs_inode        *i_mnext;       /* next inode in mount list */
-        struct xfs_inode        *i_mprev;       /* ptr to prev inode */
         struct xfs_mount        *i_mount;       /* fs mount struct ptr */
-        struct list_head        i_reclaim;      /* reclaim list */
-        struct inode            *i_vnode;       /* vnode backpointer */
         struct xfs_dquot        *i_udquot;      /* user dquot */
         struct xfs_dquot        *i_gdquot;      /* group dquot */
 
@@ -238,6 +269,10 @@ typedef struct xfs_inode {
         xfs_fsize_t             i_size;         /* in-memory size */
         xfs_fsize_t             i_new_size;     /* size when write completes */
         atomic_t                i_iocount;      /* outstanding I/O count */
+
+        /* VFS inode */
+        struct inode            i_vnode;        /* embedded VFS inode */
+
         /* Trace buffers per inode. */
 #ifdef XFS_INODE_TRACE
         struct ktrace           *i_trace;       /* general inode trace */
@@ -245,7 +280,7 @@ typedef struct xfs_inode {
 #ifdef XFS_BMAP_TRACE
         struct ktrace           *i_xtrace;      /* inode extent list trace */
 #endif
-#ifdef XFS_BMBT_TRACE
+#ifdef XFS_BTREE_TRACE
         struct ktrace           *i_btrace;      /* inode bmap btree trace */
 #endif
 #ifdef XFS_RW_TRACE
@@ -265,13 +300,30 @@ typedef struct xfs_inode {
 /* Convert from vfs inode to xfs inode */
 static inline struct xfs_inode *XFS_I(struct inode *inode)
 {
-        return (struct xfs_inode *)inode->i_private;
+        return container_of(inode, struct xfs_inode, i_vnode);
 }
 
 /* convert from xfs inode to vfs inode */
 static inline struct inode *VFS_I(struct xfs_inode *ip)
 {
-        return (struct inode *)ip->i_vnode;
+        return &ip->i_vnode;
+}
+
+/*
+ * Get rid of a partially initialized inode.
+ *
+ * We have to go through destroy_inode to make sure allocations
+ * from init_inode_always like the security data are undone.
+ *
+ * We mark the inode bad so that it takes the short cut in
+ * the reclaim path instead of going through the flush path
+ * which doesn't make sense for an inode that has never seen the
+ * light of day.
+ */
+static inline void xfs_destroy_inode(struct xfs_inode *ip)
+{
+        make_bad_inode(VFS_I(ip));
+        return destroy_inode(VFS_I(ip));
 }
 
 /*
@@ -327,50 +379,26 @@ xfs_iflags_test_and_clear(xfs_inode_t *ip, unsigned short flags)
         spin_unlock(&ip->i_flags_lock);
         return ret;
 }
-#endif  /* __KERNEL__ */
-
 
 /*
- * Fork handling.
+ * Manage the i_flush queue embedded in the inode.  This completion
+ * queue synchronizes processes attempting to flush the in-core
+ * inode back to disk.
  */
+static inline void xfs_iflock(xfs_inode_t *ip)
+{
+        wait_for_completion(&ip->i_flush);
+}
 
-#define XFS_IFORK_Q(ip)                 ((ip)->i_d.di_forkoff != 0)
-#define XFS_IFORK_BOFF(ip)              ((int)((ip)->i_d.di_forkoff << 3))
-
-#define XFS_IFORK_PTR(ip,w)             \
-        ((w) == XFS_DATA_FORK ? \
-                &(ip)->i_df : \
-                (ip)->i_afp)
-#define XFS_IFORK_DSIZE(ip) \
-        (XFS_IFORK_Q(ip) ? \
-                XFS_IFORK_BOFF(ip) : \
-                XFS_LITINO((ip)->i_mount))
-#define XFS_IFORK_ASIZE(ip) \
-        (XFS_IFORK_Q(ip) ? \
-                XFS_LITINO((ip)->i_mount) - XFS_IFORK_BOFF(ip) : \
-                0)
-#define XFS_IFORK_SIZE(ip,w) \
-        ((w) == XFS_DATA_FORK ? \
-                XFS_IFORK_DSIZE(ip) : \
-                XFS_IFORK_ASIZE(ip))
-#define XFS_IFORK_FORMAT(ip,w) \
-        ((w) == XFS_DATA_FORK ? \
-                (ip)->i_d.di_format : \
-                (ip)->i_d.di_aformat)
-#define XFS_IFORK_FMT_SET(ip,w,n) \
-        ((w) == XFS_DATA_FORK ? \
-                ((ip)->i_d.di_format = (n)) : \
-                ((ip)->i_d.di_aformat = (n)))
-#define XFS_IFORK_NEXTENTS(ip,w) \
-        ((w) == XFS_DATA_FORK ? \
-                (ip)->i_d.di_nextents : \
-                (ip)->i_d.di_anextents)
-#define XFS_IFORK_NEXT_SET(ip,w,n) \
-        ((w) == XFS_DATA_FORK ? \
-                ((ip)->i_d.di_nextents = (n)) : \
-                ((ip)->i_d.di_anextents = (n)))
+static inline int xfs_iflock_nowait(xfs_inode_t *ip)
+{
+        return try_wait_for_completion(&ip->i_flush);
+}
 
-#ifdef __KERNEL__
+static inline void xfs_ifunlock(xfs_inode_t *ip)
+{
+        complete(&ip->i_flush);
+}
 
 /*
  * In-core inode flags.
@@ -484,25 +512,15 @@ int		xfs_isilocked(xfs_inode_t *, uint);
 uint            xfs_ilock_map_shared(xfs_inode_t *);
 void            xfs_iunlock_map_shared(xfs_inode_t *, uint);
 void            xfs_ireclaim(xfs_inode_t *);
-int             xfs_finish_reclaim(xfs_inode_t *, int, int);
-int             xfs_finish_reclaim_all(struct xfs_mount *, int);
 
 /*
  * xfs_inode.c prototypes.
  */
-int             xfs_itobp(struct xfs_mount *, struct xfs_trans *,
-                          xfs_inode_t *, struct xfs_dinode **, struct xfs_buf **,
-                          xfs_daddr_t, uint, uint);
 int             xfs_iread(struct xfs_mount *, struct xfs_trans *, xfs_ino_t,
                           xfs_inode_t **, xfs_daddr_t, uint);
-int             xfs_iread_extents(struct xfs_trans *, xfs_inode_t *, int);
 int             xfs_ialloc(struct xfs_trans *, xfs_inode_t *, mode_t,
                            xfs_nlink_t, xfs_dev_t, struct cred *, xfs_prid_t,
                            int, struct xfs_buf **, boolean_t *, xfs_inode_t **);
-void            xfs_dinode_from_disk(struct xfs_icdinode *,
-                                     struct xfs_dinode_core *);
-void            xfs_dinode_to_disk(struct xfs_dinode_core *,
-                                   struct xfs_icdinode *);
 
 uint            xfs_ip2xflags(struct xfs_inode *);
 uint            xfs_dic2xflags(struct xfs_dinode *);
@@ -513,17 +531,12 @@ int		xfs_itruncate_finish(struct xfs_trans **, xfs_inode_t *,
                                      xfs_fsize_t, int, int);
 int             xfs_iunlink(struct xfs_trans *, xfs_inode_t *);
 
-void            xfs_idestroy_fork(xfs_inode_t *, int);
 void            xfs_idestroy(xfs_inode_t *);
-void            xfs_idata_realloc(xfs_inode_t *, int, int);
 void            xfs_iextract(xfs_inode_t *);
 void            xfs_iext_realloc(xfs_inode_t *, int, int);
-void            xfs_iroot_realloc(xfs_inode_t *, int, int);
 void            xfs_ipin(xfs_inode_t *);
 void            xfs_iunpin(xfs_inode_t *);
-int             xfs_iextents_copy(xfs_inode_t *, xfs_bmbt_rec_t *, int);
 int             xfs_iflush(xfs_inode_t *, uint);
-void            xfs_iflush_all(struct xfs_mount *);
 void            xfs_ichgtime(xfs_inode_t *, int);
 xfs_fsize_t     xfs_file_last_byte(xfs_inode_t *);
 void            xfs_lock_inodes(xfs_inode_t **, int, uint);
@@ -532,6 +545,24 @@ void		xfs_lock_two_inodes(xfs_inode_t *, xfs_inode_t *, uint);
 void            xfs_synchronize_atime(xfs_inode_t *);
 void            xfs_mark_inode_dirty_sync(xfs_inode_t *);
 
+#endif /* __KERNEL__ */
+
+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 **, xfs_daddr_t, uint, uint);
+void            xfs_dinode_from_disk(struct xfs_icdinode *,
+                                     struct xfs_dinode_core *);
+void            xfs_dinode_to_disk(struct xfs_dinode_core *,
+                                   struct xfs_icdinode *);
+void            xfs_idestroy_fork(struct xfs_inode *, int);
+void            xfs_idata_realloc(struct xfs_inode *, int, int);
+void            xfs_iroot_realloc(struct xfs_inode *, int, int);
+int             xfs_iread_extents(struct xfs_trans *, struct xfs_inode *, int);
+int             xfs_iextents_copy(struct xfs_inode *, xfs_bmbt_rec_t *, int);
+
 xfs_bmbt_rec_host_t *xfs_iext_get_ext(xfs_ifork_t *, xfs_extnum_t);
 void            xfs_iext_insert(xfs_ifork_t *, xfs_extnum_t, xfs_extnum_t,
                                 xfs_bmbt_irec_t *);
@@ -561,7 +592,8 @@ void		xfs_iext_irec_update_extoffs(xfs_ifork_t *, int, int);
 #define xfs_ipincount(ip)       ((unsigned int) atomic_read(&ip->i_pincount))
 
 #ifdef DEBUG
-void            xfs_isize_check(struct xfs_mount *, xfs_inode_t *, xfs_fsize_t);
+void            xfs_isize_check(struct xfs_mount *, struct xfs_inode *,
+                                xfs_fsize_t);
 #else   /* DEBUG */
 #define xfs_isize_check(mp, ip, isize)
 #endif  /* DEBUG */
@@ -576,26 +608,4 @@ extern struct kmem_zone	*xfs_ifork_zone;
 extern struct kmem_zone *xfs_inode_zone;
 extern struct kmem_zone *xfs_ili_zone;
 
-/*
- * Manage the i_flush queue embedded in the inode.  This completion
- * queue synchronizes processes attempting to flush the in-core
- * inode back to disk.
- */
-static inline void xfs_iflock(xfs_inode_t *ip)
-{
-        wait_for_completion(&ip->i_flush);
-}
-
-static inline int xfs_iflock_nowait(xfs_inode_t *ip)
-{
-        return try_wait_for_completion(&ip->i_flush);
-}
-
-static inline void xfs_ifunlock(xfs_inode_t *ip)
-{
-        complete(&ip->i_flush);
-}
-
-#endif  /* __KERNEL__ */
-
 #endif  /* __XFS_INODE_H__ */