From: Steven Whitehouse Date: Thu, 30 Mar 2006 20:46:23 +0000 (-0500) Subject: [GFS] Fix bug in endian conversion for metadata header X-Git-Tag: v2.6.19-rc1~32^2~245 X-Git-Url: http://ftp.safe.ca/?a=commitdiff_plain;h=e3167ded1f1b16424bc14d5673cdc5414f179970;p=safe%2Fjmp%2Flinux-2.6 [GFS] Fix bug in endian conversion for metadata header In some cases 16 bit functions were being used rather than 32 bit functions. Signed-off-by: Steven Whitehouse --- diff --git a/fs/gfs2/dir.c b/fs/gfs2/dir.c index 9f17e7d..66917f2 100644 --- a/fs/gfs2/dir.c +++ b/fs/gfs2/dir.c @@ -462,7 +462,7 @@ static int gfs2_dirent_offset(const void *buf) BUG_ON(buf == NULL); - switch(be16_to_cpu(h->mh_type)) { + switch(be32_to_cpu(h->mh_type)) { case GFS2_METATYPE_LF: offset = sizeof(struct gfs2_leaf); break; @@ -475,7 +475,7 @@ static int gfs2_dirent_offset(const void *buf) return offset; wrong_type: printk(KERN_WARNING "gfs2_scan_dirent: wrong block type %u\n", - be16_to_cpu(h->mh_type)); + be32_to_cpu(h->mh_type)); return -1; } @@ -548,7 +548,7 @@ static int dirent_first(struct gfs2_inode *dip, struct buffer_head *bh, { struct gfs2_meta_header *h = (struct gfs2_meta_header *)bh->b_data; - if (be16_to_cpu(h->mh_type) == GFS2_METATYPE_LF) { + if (be32_to_cpu(h->mh_type) == GFS2_METATYPE_LF) { if (gfs2_meta_check(dip->i_sbd, bh)) return -EIO; *dent = (struct gfs2_dirent *)(bh->b_data + diff --git a/fs/gfs2/log.c b/fs/gfs2/log.c index b103d9a..ea69376 100644 --- a/fs/gfs2/log.c +++ b/fs/gfs2/log.c @@ -377,8 +377,8 @@ static void log_write_header(struct gfs2_sbd *sdp, uint32_t flags, int pull) lh = (struct gfs2_log_header *)bh->b_data; memset(lh, 0, sizeof(struct gfs2_log_header)); lh->lh_header.mh_magic = cpu_to_be32(GFS2_MAGIC); - lh->lh_header.mh_type = cpu_to_be16(GFS2_METATYPE_LH); - lh->lh_header.mh_format = cpu_to_be16(GFS2_FORMAT_LH); + lh->lh_header.mh_type = cpu_to_be32(GFS2_METATYPE_LH); + lh->lh_header.mh_format = cpu_to_be32(GFS2_FORMAT_LH); lh->lh_sequence = be64_to_cpu(sdp->sd_log_sequence++); lh->lh_flags = be32_to_cpu(flags); lh->lh_tail = be32_to_cpu(tail); diff --git a/fs/gfs2/lops.c b/fs/gfs2/lops.c index 9d40e21..689c910 100644 --- a/fs/gfs2/lops.c +++ b/fs/gfs2/lops.c @@ -133,8 +133,8 @@ static void buf_lo_before_commit(struct gfs2_sbd *sdp) ld = (struct gfs2_log_descriptor *)bh->b_data; ptr = (__be64 *)(bh->b_data + offset); ld->ld_header.mh_magic = cpu_to_be32(GFS2_MAGIC); - ld->ld_header.mh_type = cpu_to_be16(GFS2_METATYPE_LD); - ld->ld_header.mh_format = cpu_to_be16(GFS2_FORMAT_LD); + ld->ld_header.mh_type = cpu_to_be32(GFS2_METATYPE_LD); + ld->ld_header.mh_format = cpu_to_be32(GFS2_FORMAT_LD); ld->ld_type = cpu_to_be32(GFS2_LOG_DESC_METADATA); ld->ld_length = cpu_to_be32(num + 1); ld->ld_data1 = cpu_to_be32(num); @@ -291,8 +291,8 @@ static void revoke_lo_before_commit(struct gfs2_sbd *sdp) bh = gfs2_log_get_buf(sdp); ld = (struct gfs2_log_descriptor *)bh->b_data; ld->ld_header.mh_magic = cpu_to_be32(GFS2_MAGIC); - ld->ld_header.mh_type = cpu_to_be16(GFS2_METATYPE_LD); - ld->ld_header.mh_format = cpu_to_be16(GFS2_FORMAT_LD); + ld->ld_header.mh_type = cpu_to_be32(GFS2_METATYPE_LD); + ld->ld_header.mh_format = cpu_to_be32(GFS2_FORMAT_LD); ld->ld_type = cpu_to_be32(GFS2_LOG_DESC_REVOKE); ld->ld_length = cpu_to_be32(gfs2_struct2blk(sdp, sdp->sd_log_num_revoke, sizeof(uint64_t))); @@ -313,8 +313,8 @@ static void revoke_lo_before_commit(struct gfs2_sbd *sdp) bh = gfs2_log_get_buf(sdp); mh = (struct gfs2_meta_header *)bh->b_data; mh->mh_magic = cpu_to_be32(GFS2_MAGIC); - mh->mh_type = cpu_to_be16(GFS2_METATYPE_LB); - mh->mh_format = cpu_to_be16(GFS2_FORMAT_LB); + mh->mh_type = cpu_to_be32(GFS2_METATYPE_LB); + mh->mh_format = cpu_to_be32(GFS2_FORMAT_LB); offset = sizeof(struct gfs2_meta_header); } @@ -576,9 +576,9 @@ static void databuf_lo_before_commit(struct gfs2_sbd *sdp) ld->ld_header.mh_magic = cpu_to_be32(GFS2_MAGIC); ld->ld_header.mh_type = - cpu_to_be16(GFS2_METATYPE_LD); + cpu_to_be32(GFS2_METATYPE_LD); ld->ld_header.mh_format = - cpu_to_be16(GFS2_FORMAT_LD); + cpu_to_be32(GFS2_FORMAT_LD); ld->ld_type = cpu_to_be32(GFS2_LOG_DESC_JDATA); ld->ld_length = cpu_to_be32(num + 1); diff --git a/fs/gfs2/ondisk.c b/fs/gfs2/ondisk.c index 3be060f..acfc944 100644 --- a/fs/gfs2/ondisk.c +++ b/fs/gfs2/ondisk.c @@ -83,8 +83,8 @@ static void gfs2_meta_header_in(struct gfs2_meta_header *mh, char *buf) struct gfs2_meta_header *str = (struct gfs2_meta_header *)buf; mh->mh_magic = be32_to_cpu(str->mh_magic); - mh->mh_type = be16_to_cpu(str->mh_type); - mh->mh_format = be16_to_cpu(str->mh_format); + mh->mh_type = be32_to_cpu(str->mh_type); + mh->mh_format = be32_to_cpu(str->mh_format); } static void gfs2_meta_header_out(struct gfs2_meta_header *mh, char *buf) @@ -92,8 +92,8 @@ static void gfs2_meta_header_out(struct gfs2_meta_header *mh, char *buf) struct gfs2_meta_header *str = (struct gfs2_meta_header *)buf; str->mh_magic = cpu_to_be32(mh->mh_magic); - str->mh_type = cpu_to_be16(mh->mh_type); - str->mh_format = cpu_to_be16(mh->mh_format); + str->mh_type = cpu_to_be32(mh->mh_type); + str->mh_format = cpu_to_be32(mh->mh_format); } void gfs2_meta_header_print(struct gfs2_meta_header *mh) diff --git a/fs/gfs2/recovery.c b/fs/gfs2/recovery.c index 6c7e2e8..68c8561 100644 --- a/fs/gfs2/recovery.c +++ b/fs/gfs2/recovery.c @@ -324,7 +324,7 @@ static int foreach_descriptor(struct gfs2_jdesc *jd, unsigned int start, ld = (struct gfs2_log_descriptor *)bh->b_data; length = be32_to_cpu(ld->ld_length); - if (be16_to_cpu(ld->ld_header.mh_type) == GFS2_METATYPE_LH) { + if (be32_to_cpu(ld->ld_header.mh_type) == GFS2_METATYPE_LH) { struct gfs2_log_header lh; error = get_log_header(jd, start, &lh); if (!error) { @@ -400,7 +400,7 @@ static int clean_journal(struct gfs2_jdesc *jd, struct gfs2_log_header *head) memset(lh, 0, sizeof(struct gfs2_log_header)); lh->lh_header.mh_magic = cpu_to_be32(GFS2_MAGIC); lh->lh_header.mh_type = cpu_to_be16(GFS2_METATYPE_LH); - lh->lh_header.mh_format = cpu_to_be16(GFS2_FORMAT_LH); + lh->lh_header.mh_format = cpu_to_be32(GFS2_FORMAT_LH); lh->lh_sequence = cpu_to_be64(head->lh_sequence + 1); lh->lh_flags = cpu_to_be32(GFS2_LOG_HEAD_UNMOUNT); lh->lh_blkno = cpu_to_be32(lblock); diff --git a/fs/gfs2/util.h b/fs/gfs2/util.h index addbe30..4532dba 100644 --- a/fs/gfs2/util.h +++ b/fs/gfs2/util.h @@ -107,12 +107,11 @@ static inline int gfs2_metatype_check_i(struct gfs2_sbd *sdp, { struct gfs2_meta_header *mh = (struct gfs2_meta_header *)bh->b_data; uint32_t magic = mh->mh_magic; - uint16_t t = mh->mh_type; + uint16_t t = be32_to_cpu(mh->mh_type); magic = be32_to_cpu(magic); if (unlikely(magic != GFS2_MAGIC)) return gfs2_meta_check_ii(sdp, bh, "magic number", function, file, line); - t = be16_to_cpu(t); if (unlikely(t != type)) return gfs2_metatype_check_ii(sdp, bh, type, t, function, file, line); @@ -127,8 +126,8 @@ static inline void gfs2_metatype_set(struct buffer_head *bh, uint16_t type, { struct gfs2_meta_header *mh; mh = (struct gfs2_meta_header *)bh->b_data; - mh->mh_type = cpu_to_be16(type); - mh->mh_format = cpu_to_be16(format); + mh->mh_type = cpu_to_be32(type); + mh->mh_format = cpu_to_be32(format); }