X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=fs%2Fjfs%2Fjfs_imap.c;h=31b4aa13dd4b988e9a6d8bb9ee071f56e5d524aa;hb=e2f99018eb7b29954747a2dd78e9fc0c36a60f0f;hp=971af2977eff8460ac76b91615be17c5a653a5be;hpb=3e0777b8fa96f7073ed5d13d3bc1d573b766bef9;p=linux-2.6 diff --git a/fs/jfs/jfs_imap.c b/fs/jfs/jfs_imap.c index 971af2977e..31b4aa13dd 100644 --- a/fs/jfs/jfs_imap.c +++ b/fs/jfs/jfs_imap.c @@ -56,6 +56,12 @@ #include "jfs_superblock.h" #include "jfs_debug.h" +/* + * __mark_inode_dirty expects inodes to be hashed. Since we don't want + * special inodes in the fileset inode space, we hash them to a dummy head + */ +static HLIST_HEAD(aggregate_hash); + /* * imap locks */ @@ -86,25 +92,6 @@ static int diIAGRead(struct inomap * imap, int, struct metapage **); static int copy_from_dinode(struct dinode *, struct inode *); static void copy_to_dinode(struct dinode *, struct inode *); -/* - * debug code for double-checking inode map - */ -/* #define _JFS_DEBUG_IMAP 1 */ - -#ifdef _JFS_DEBUG_IMAP -#define DBG_DIINIT(imap) DBGdiInit(imap) -#define DBG_DIALLOC(imap, ino) DBGdiAlloc(imap, ino) -#define DBG_DIFREE(imap, ino) DBGdiFree(imap, ino) - -static void *DBGdiInit(struct inomap * imap); -static void DBGdiAlloc(struct inomap * imap, ino_t ino); -static void DBGdiFree(struct inomap * imap, ino_t ino); -#else -#define DBG_DIINIT(imap) -#define DBG_DIALLOC(imap, ino) -#define DBG_DIFREE(imap, ino) -#endif /* _JFS_DEBUG_IMAP */ - /* * NAME: diMount() * @@ -188,8 +175,6 @@ int diMount(struct inode *ipimap) imap->im_ipimap = ipimap; JFS_IP(ipimap)->i_imap = imap; -// DBG_DIINIT(imap); - return (0); } @@ -280,8 +265,7 @@ int diSync(struct inode *ipimap) /* * write out dirty pages of imap */ - filemap_fdatawrite(ipimap->i_mapping); - filemap_fdatawait(ipimap->i_mapping); + filemap_write_and_wait(ipimap->i_mapping); diWriteSpecial(ipimap, 0); @@ -512,6 +496,8 @@ struct inode *diReadSpecial(struct super_block *sb, ino_t inum, int secondary) /* release the page */ release_metapage(mp); + hlist_add_head(&ip->i_hash, &aggregate_hash); + return (ip); } @@ -535,8 +521,6 @@ void diWriteSpecial(struct inode *ip, int secondary) ino_t inum = ip->i_ino; struct metapage *mp; - ip->i_state &= ~I_DIRTY; - if (secondary) address = addressPXD(&sbi->ait2) >> sbi->l2nbperpage; else @@ -580,8 +564,7 @@ void diFreeSpecial(struct inode *ip) jfs_err("diFreeSpecial called with NULL ip!"); return; } - filemap_fdatawrite(ip->i_mapping); - filemap_fdatawait(ip->i_mapping); + filemap_write_and_wait(ip->i_mapping); truncate_inode_pages(ip->i_mapping, 0); iput(ip); } @@ -1043,7 +1026,6 @@ int diFree(struct inode *ip) /* update the bitmap. */ iagp->wmap[extno] = cpu_to_le32(bitmap); - DBG_DIFREE(imap, inum); /* update the free inode counts at the iag, ag and * map level. @@ -1231,7 +1213,6 @@ int diFree(struct inode *ip) jfs_error(ip->i_sb, "diFree: the pmap does not show inode free"); } iagp->wmap[extno] = 0; - DBG_DIFREE(imap, inum); PXDlength(&iagp->inoext[extno], 0); PXDaddress(&iagp->inoext[extno], 0); @@ -1350,7 +1331,6 @@ diInitInode(struct inode *ip, int iagno, int ino, int extno, struct iag * iagp) struct jfs_inode_info *jfs_ip = JFS_IP(ip); ip->i_ino = (iagno << L2INOSPERIAG) + ino; - DBG_DIALLOC(JFS_IP(ipimap)->i_imap, ip->i_ino); jfs_ip->ixpxd = iagp->inoext[extno]; jfs_ip->agno = BLKTOAG(le64_to_cpu(iagp->agstart), sbi); jfs_ip->active_ag = -1; @@ -3185,84 +3165,3 @@ static void copy_to_dinode(struct dinode * dip, struct inode *ip) if (S_ISCHR(ip->i_mode) || S_ISBLK(ip->i_mode)) dip->di_rdev = cpu_to_le32(jfs_ip->dev); } - -#ifdef _JFS_DEBUG_IMAP -/* - * DBGdiInit() - */ -static void *DBGdiInit(struct inomap * imap) -{ - u32 *dimap; - int size; - size = 64 * 1024; - if ((dimap = (u32 *) xmalloc(size, L2PSIZE, kernel_heap)) == NULL) - assert(0); - bzero((void *) dimap, size); - imap->im_DBGdimap = dimap; -} - -/* - * DBGdiAlloc() - */ -static void DBGdiAlloc(struct inomap * imap, ino_t ino) -{ - u32 *dimap = imap->im_DBGdimap; - int w, b; - u32 m; - w = ino >> 5; - b = ino & 31; - m = 0x80000000 >> b; - assert(w < 64 * 256); - if (dimap[w] & m) { - printk("DEBUG diAlloc: duplicate alloc ino:0x%x\n", ino); - } - dimap[w] |= m; -} - -/* - * DBGdiFree() - */ -static void DBGdiFree(struct inomap * imap, ino_t ino) -{ - u32 *dimap = imap->im_DBGdimap; - int w, b; - u32 m; - w = ino >> 5; - b = ino & 31; - m = 0x80000000 >> b; - assert(w < 64 * 256); - if ((dimap[w] & m) == 0) { - printk("DEBUG diFree: duplicate free ino:0x%x\n", ino); - } - dimap[w] &= ~m; -} - -static void dump_cp(struct inomap * ipimap, char *function, int line) -{ - printk("\n* ********* *\nControl Page %s %d\n", function, line); - printk("FreeIAG %d\tNextIAG %d\n", ipimap->im_freeiag, - ipimap->im_nextiag); - printk("NumInos %d\tNumFree %d\n", - atomic_read(&ipimap->im_numinos), - atomic_read(&ipimap->im_numfree)); - printk("AG InoFree %d\tAG ExtFree %d\n", - ipimap->im_agctl[0].inofree, ipimap->im_agctl[0].extfree); - printk("AG NumInos %d\tAG NumFree %d\n", - ipimap->im_agctl[0].numinos, ipimap->im_agctl[0].numfree); -} - -static void dump_iag(struct iag * iag, char *function, int line) -{ - printk("\n* ********* *\nIAG %s %d\n", function, line); - printk("IagNum %d\tIAG Free %d\n", le32_to_cpu(iag->iagnum), - le32_to_cpu(iag->iagfree)); - printk("InoFreeFwd %d\tInoFreeBack %d\n", - le32_to_cpu(iag->inofreefwd), - le32_to_cpu(iag->inofreeback)); - printk("ExtFreeFwd %d\tExtFreeBack %d\n", - le32_to_cpu(iag->extfreefwd), - le32_to_cpu(iag->extfreeback)); - printk("NFreeInos %d\tNFreeExts %d\n", le32_to_cpu(iag->nfreeinos), - le32_to_cpu(iag->nfreeexts)); -} -#endif /* _JFS_DEBUG_IMAP */