Use balloc to extend Ifile.

[unix-history] / usr / src / sys / ufs / lfs / lfs_alloc.c

diff --git a/usr/src/sys/ufs/lfs/lfs_alloc.c b/usr/src/sys/ufs/lfs/lfs_alloc.c
index e36faf0..c3f7c9b 100644 (file)
--- a/usr/src/sys/ufs/lfs/lfs_alloc.c
+++ b/usr/src/sys/ufs/lfs/lfs_alloc.c
@@ -4,7 +4,7 @@
  *
  * %sccs.include.redist.c%
  *
  *
  * %sccs.include.redist.c%
  *

- *     @(#)lfs_alloc.c 7.43 (Berkeley) %G%
+ *     @(#)lfs_alloc.c 7.56 (Berkeley) %G%

  */
 
 #include <sys/param.h>
  */
 
 #include <sys/param.h>


@@ -29,10 +29,13 @@ extern u_long nextgennumber;
 /* Allocate a new inode. */
 /* ARGSUSED */
 int
 /* Allocate a new inode. */
 /* ARGSUSED */
 int

-lfs_valloc(pvp, notused, cred, vpp)
-       struct vnode *pvp, **vpp;
-       int notused;
-       struct ucred *cred;
+lfs_valloc(ap)
+       struct vop_valloc_args /* {
+               struct vnode *a_pvp;
+               int a_mode;
+               struct ucred *a_cred;
+               struct vnode **a_vpp;
+       } */ *ap;

 {
        struct lfs *fs;
        struct buf *bp;
 {
        struct lfs *fs;
        struct buf *bp;


@@ -42,13 +45,10 @@ lfs_valloc(pvp, notused, cred, vpp)
        daddr_t blkno;
        ino_t new_ino;
        u_long i, max;
        daddr_t blkno;
        ino_t new_ino;
        u_long i, max;

-       int error;
+       int bb, error;

 
 

-#ifdef VERBOSE
-       printf("lfs_valloc\n");
-#endif

        /* Get the head of the freelist. */
        /* Get the head of the freelist. */

-       fs = VTOI(pvp)->i_lfs;
+       fs = VTOI(ap->a_pvp)->i_lfs;

        new_ino = fs->lfs_free;
 #ifdef ALLOCPRINT
        printf("lfs_ialloc: allocate inode %d\n", new_ino);
        new_ino = fs->lfs_free;
 #ifdef ALLOCPRINT
        printf("lfs_ialloc: allocate inode %d\n", new_ino);


@@ -69,20 +69,15 @@ lfs_valloc(pvp, notused, cred, vpp)
                vp = fs->lfs_ivnode;
                ip = VTOI(vp);
                blkno = lblkno(fs, ip->i_size);
                vp = fs->lfs_ivnode;
                ip = VTOI(vp);
                blkno = lblkno(fs, ip->i_size);

-printf("Extending ifile: blkno = %d\n", blkno);
-               bp = getblk(vp, blkno, fs->lfs_bsize);
-               if (!bp) {
-                       uprintf("\n%s: no inodes left\n", fs->lfs_fsmnt);
-                       log(LOG_ERR, "uid %d on %s: out of inodes\n",
-                           cred->cr_uid, fs->lfs_fsmnt);
-                       return (ENOSPC);
-               }
+               lfs_balloc(vp, fs->lfs_bsize, blkno, &bp);
+               ip->i_size += fs->lfs_bsize;
+               vnode_pager_setsize(vp, (u_long)ip->i_size);
+               vnode_pager_uncache(vp);
+

                i = (blkno - fs->lfs_segtabsz - fs->lfs_cleansz) *
                    fs->lfs_ifpb;
                i = (blkno - fs->lfs_segtabsz - fs->lfs_cleansz) *
                    fs->lfs_ifpb;

-printf("Extending ifile: first inum = %d\n", i);

                fs->lfs_free = i;
                max = i + fs->lfs_ifpb;
                fs->lfs_free = i;
                max = i + fs->lfs_ifpb;

-printf("Extending ifile: max inum = %d\n", max);

                for (ifp = (struct ifile *)bp->b_un.b_words; i < max; ++ifp) {
                        ifp->if_version = 1;
                        ifp->if_daddr = LFS_UNUSED_DADDR;
                for (ifp = (struct ifile *)bp->b_un.b_words; i < max; ++ifp) {
                        ifp->if_version = 1;
                        ifp->if_daddr = LFS_UNUSED_DADDR;


@@ -90,24 +85,19 @@ printf("Extending ifile: max inum = %d\n", max);
                }
                ifp--;
                ifp->if_nextfree = LFS_UNUSED_INUM;
                }
                ifp--;
                ifp->if_nextfree = LFS_UNUSED_INUM;

-
-               ++ip->i_blocks;                 /* XXX This may not be right. */
-               ip->i_size += fs->lfs_bsize;
-printf("Extending ifile: blocks = %d size = %d\n", ip->i_blocks, ip->i_size);
-               vnode_pager_setsize(vp, (u_long)ip->i_size);
-               vnode_pager_uncache(vp);
-               LFS_UBWRITE(bp);
+               if (error = VOP_BWRITE(bp))
+                       return (error);

        }
 
        /* Create a vnode to associate with the inode. */
        }
 
        /* Create a vnode to associate with the inode. */

-       if (error = lfs_vcreate(pvp->v_mount, new_ino, &vp))
+       if (error = lfs_vcreate(ap->a_pvp->v_mount, new_ino, &vp))

                return (error);
                return (error);

-       *vpp = vp;
-       ip = VTOI(vp);
-       VREF(ip->i_devvp);

 
 

+
+       ip = VTOI(vp);

        /* Zero out the direct and indirect block addresses. */
        /* Zero out the direct and indirect block addresses. */

-       bzero(ip->i_db, (NDADDR + NIADDR) * sizeof(daddr_t));
+       bzero(&ip->i_din, sizeof(struct dinode));
+       ip->i_din.di_inumber = new_ino;

 
        /* Set a new generation number for this inode. */
        if (++nextgennumber < (u_long)time.tv_sec)
 
        /* Set a new generation number for this inode. */
        if (++nextgennumber < (u_long)time.tv_sec)


@@ -117,6 +107,16 @@ printf("Extending ifile: blocks = %d size = %d\n", ip->i_blocks, ip->i_size);
        /* Insert into the inode hash table. */
        ufs_ihashins(ip);
 
        /* Insert into the inode hash table. */
        ufs_ihashins(ip);
 

+       if (error = ufs_vinit(vp->v_mount, lfs_specop_p, LFS_FIFOOPS, &vp)) {
+               vput(vp);
+               *ap->a_vpp = NULL;
+               return (error);
+       }
+
+       *ap->a_vpp = vp;
+       vp->v_flag |= VDIROP;
+       VREF(ip->i_devvp);
+

        /* Set superblock modified bit and increment file count. */
        fs->lfs_fmod = 1;
        ++fs->lfs_nfiles;
        /* Set superblock modified bit and increment file count. */
        fs->lfs_fmod = 1;
        ++fs->lfs_nfiles;


@@ -130,16 +130,13 @@ lfs_vcreate(mp, ino, vpp)
        ino_t ino;
        struct vnode **vpp;
 {
        ino_t ino;
        struct vnode **vpp;
 {

-       extern struct vnodeops lfs_vnodeops;
+       extern int (**lfs_vnodeop_p)();

        struct inode *ip;
        struct ufsmount *ump;
        int error, i;
 
        struct inode *ip;
        struct ufsmount *ump;
        int error, i;
 

-#ifdef VERBOSE
-       printf("lfs_vcreate: ino %d\n", ino);
-#endif

        /* Create the vnode. */
        /* Create the vnode. */

-       if (error = getnewvnode(VT_LFS, mp, &lfs_vnodeops, vpp)) {
+       if (error = getnewvnode(VT_LFS, mp, lfs_vnodeop_p, vpp)) {

                *vpp = NULL;
                return (error);
        }
                *vpp = NULL;
                return (error);
        }


@@ -152,9 +149,11 @@ lfs_vcreate(mp, ino, vpp)
        (*vpp)->v_data = ip;
        ip->i_vnode = *vpp;
        ip->i_devvp = ump->um_devvp;
        (*vpp)->v_data = ip;
        ip->i_vnode = *vpp;
        ip->i_devvp = ump->um_devvp;

-       ip->i_flag = 0;
+       ip->i_flag = IMOD;

        ip->i_dev = ump->um_dev;
        ip->i_dev = ump->um_dev;

-       ip->i_number = ip->i_din.di_inum = ino;
+       ip->i_number = ip->i_din.di_inumber = ino;
+ip->i_din.di_spare[0] = 0xdeadbeef;
+ip->i_din.di_spare[1] = 0xdeadbeef;

        ip->i_lfs = ump->um_lfs;
 #ifdef QUOTA
        for (i = 0; i < MAXQUOTAS; i++)
        ip->i_lfs = ump->um_lfs;
 #ifdef QUOTA
        for (i = 0; i < MAXQUOTAS; i++)


@@ -164,16 +163,20 @@ lfs_vcreate(mp, ino, vpp)
        ip->i_diroff = 0;
        ip->i_mode = 0;
        ip->i_size = 0;
        ip->i_diroff = 0;
        ip->i_mode = 0;
        ip->i_size = 0;

+       ip->i_blocks = 0;
+       ++ump->um_lfs->lfs_uinodes;

        return (0);
 }
 
 /* Free an inode. */
 /* ARGUSED */
        return (0);
 }
 
 /* Free an inode. */
 /* ARGUSED */

-void
-lfs_vfree(vp, notused1, notused2)
-       struct vnode *vp;
-       ino_t notused1;
-       int notused2;
+int
+lfs_vfree(ap)
+       struct vop_vfree_args /* {
+               struct vnode *a_pvp;
+               ino_t a_ino;
+               int a_mode;
+       } */ *ap;

 {
        SEGUSE *sup;
        struct buf *bp;
 {
        SEGUSE *sup;
        struct buf *bp;


@@ -182,15 +185,16 @@ lfs_vfree(vp, notused1, notused2)
        struct lfs *fs;
        daddr_t old_iaddr;
        ino_t ino;
        struct lfs *fs;
        daddr_t old_iaddr;
        ino_t ino;

+       int error;

 
 

-       ip = VTOI(vp);
-#ifdef VERBOSE
-       printf("lfs_vfree: free %d\n", ip->i_number);
-#endif

        /* Get the inode number and file system. */
        /* Get the inode number and file system. */

+       ip = VTOI(ap->a_pvp);

        fs = ip->i_lfs;
        ino = ip->i_number;
        fs = ip->i_lfs;
        ino = ip->i_number;

-
+       if (ip->i_flag & IMOD) {
+               --fs->lfs_uinodes;
+               ip->i_flag &= ~(IMOD | IACC | IUPD | ICHG);
+       }

        /*
         * Set the ifile's inode entry to unused, increment its version number
         * and link it into the free chain.
        /*
         * Set the ifile's inode entry to unused, increment its version number
         * and link it into the free chain.


@@ -201,7 +205,7 @@ lfs_vfree(vp, notused1, notused2)
        ++ifp->if_version;
        ifp->if_nextfree = fs->lfs_free;
        fs->lfs_free = ino;
        ++ifp->if_version;
        ifp->if_nextfree = fs->lfs_free;
        fs->lfs_free = ino;

-       LFS_UBWRITE(bp);
+       (void) VOP_BWRITE(bp);

 
        if (old_iaddr != LFS_UNUSED_DADDR) {
                LFS_SEGENTRY(sup, fs, datosn(fs, old_iaddr), bp);
 
        if (old_iaddr != LFS_UNUSED_DADDR) {
                LFS_SEGENTRY(sup, fs, datosn(fs, old_iaddr), bp);


@@ -211,10 +215,11 @@ lfs_vfree(vp, notused1, notused2)
                            datosn(fs, old_iaddr));
 #endif
                sup->su_nbytes -= sizeof(struct dinode);
                            datosn(fs, old_iaddr));
 #endif
                sup->su_nbytes -= sizeof(struct dinode);

-               LFS_UBWRITE(bp);
+               (void) VOP_BWRITE(bp);

        }
 
        /* Set superblock modified bit and decrement file count. */
        fs->lfs_fmod = 1;
        --fs->lfs_nfiles;
        }
 
        /* Set superblock modified bit and decrement file count. */
        fs->lfs_fmod = 1;
        --fs->lfs_nfiles;

+       return (0);

 }
 }