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[GFS2] 80 Column audit of GFS2

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Requested by:
Prarit Bhargava <prarit@redhat.com>

Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
This commit is contained in:
Steven Whitehouse
2006-02-27 12:00:42 -05:00
parent 3a8fe9be6c
commit 568f4c9659
20 changed files with 146 additions and 72 deletions
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54
fs/gfs2/lops.c
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@@ -137,7 +137,8 @@ static void buf_lo_before_commit(struct gfs2_sbd *sdp)
memset(ld->ld_reserved, 0, sizeof(ld->ld_reserved));
n = 0;
list_for_each_entry_continue(bd1, &sdp->sd_log_le_buf, bd_le.le_list) {
list_for_each_entry_continue(bd1, &sdp->sd_log_le_buf,
bd_le.le_list) {
*ptr++ = cpu_to_be64(bd1->bd_bh->b_blocknr);
if (++n >= num)
break;
@@ -147,7 +148,8 @@ static void buf_lo_before_commit(struct gfs2_sbd *sdp)
ll_rw_block(WRITE, 1, &bh);
n = 0;
list_for_each_entry_continue(bd2, &sdp->sd_log_le_buf, bd_le.le_list) {
list_for_each_entry_continue(bd2, &sdp->sd_log_le_buf,
bd_le.le_list) {
bh = gfs2_log_fake_buf(sdp, bd2->bd_bh);
set_buffer_dirty(bh);
ll_rw_block(WRITE, 1, &bh);
@@ -239,7 +241,8 @@ static void buf_lo_after_scan(struct gfs2_jdesc *jd, int error, int pass)
struct gfs2_sbd *sdp = get_v2ip(jd->jd_inode)->i_sbd;
if (error) {
gfs2_meta_sync(get_v2ip(jd->jd_inode)->i_gl, DIO_START | DIO_WAIT);
gfs2_meta_sync(get_v2ip(jd->jd_inode)->i_gl,
DIO_START | DIO_WAIT);
return;
}
if (pass != 1)
@@ -283,7 +286,8 @@ static void revoke_lo_before_commit(struct gfs2_sbd *sdp)
ld->ld_header.mh_type = cpu_to_be16(GFS2_METATYPE_LD);
ld->ld_header.mh_format = cpu_to_be16(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)));
ld->ld_length = cpu_to_be32(gfs2_struct2blk(sdp, sdp->sd_log_num_revoke,
sizeof(uint64_t)));
ld->ld_data1 = cpu_to_be32(sdp->sd_log_num_revoke);
ld->ld_data2 = cpu_to_be32(0);
memset(ld->ld_reserved, 0, sizeof(ld->ld_reserved));
@@ -515,19 +519,24 @@ static void databuf_lo_before_commit(struct gfs2_sbd *sdp)
* into the log along with a header
*/
gfs2_log_lock(sdp);
bd2 = bd1 = list_prepare_entry(bd1, &sdp->sd_log_le_databuf, bd_le.le_list);
bd2 = bd1 = list_prepare_entry(bd1, &sdp->sd_log_le_databuf,
bd_le.le_list);
while(total_dbuf) {
num = total_jdata;
if (num > limit)
num = limit;
n = 0;
list_for_each_entry_safe_continue(bd1, bdt, &sdp->sd_log_le_databuf, bd_le.le_list) {
list_for_each_entry_safe_continue(bd1, bdt,
&sdp->sd_log_le_databuf,
bd_le.le_list) {
/* An ordered write buffer */
if (bd1->bd_bh && !buffer_pinned(bd1->bd_bh)) {
list_move(&bd1->bd_le.le_list, &started);
if (bd1 == bd2) {
bd2 = NULL;
bd2 = list_prepare_entry(bd2, &sdp->sd_log_le_databuf, bd_le.le_list);
bd2 = list_prepare_entry(bd2,
&sdp->sd_log_le_databuf,
bd_le.le_list);
}
total_dbuf--;
if (bd1->bd_bh) {
@@ -535,7 +544,8 @@ static void databuf_lo_before_commit(struct gfs2_sbd *sdp)
if (buffer_dirty(bd1->bd_bh)) {
gfs2_log_unlock(sdp);
wait_on_buffer(bd1->bd_bh);
ll_rw_block(WRITE, 1, &bd1->bd_bh);
ll_rw_block(WRITE, 1,
&bd1->bd_bh);
gfs2_log_lock(sdp);
}
brelse(bd1->bd_bh);
@@ -547,12 +557,17 @@ static void databuf_lo_before_commit(struct gfs2_sbd *sdp)
gfs2_log_unlock(sdp);
if (!bh) {
bh = gfs2_log_get_buf(sdp);
ld = (struct gfs2_log_descriptor *)bh->b_data;
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_type = cpu_to_be32(GFS2_LOG_DESC_JDATA);
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_type =
cpu_to_be32(GFS2_LOG_DESC_JDATA);
ld->ld_length = cpu_to_be32(num + 1);
ld->ld_data1 = cpu_to_be32(num);
ld->ld_data2 = cpu_to_be32(0);
@@ -577,7 +592,8 @@ static void databuf_lo_before_commit(struct gfs2_sbd *sdp)
}
n = 0;
gfs2_log_lock(sdp);
list_for_each_entry_continue(bd2, &sdp->sd_log_le_databuf, bd_le.le_list) {
list_for_each_entry_continue(bd2, &sdp->sd_log_le_databuf,
bd_le.le_list) {
if (!bd2->bd_bh)
continue;
/* copy buffer if it needs escaping */
@@ -587,7 +603,9 @@ static void databuf_lo_before_commit(struct gfs2_sbd *sdp)
struct page *page = bd2->bd_bh->b_page;
bh = gfs2_log_get_buf(sdp);
kaddr = kmap_atomic(page, KM_USER0);
memcpy(bh->b_data, kaddr + bh_offset(bd2->bd_bh), sdp->sd_sb.sb_bsize);
memcpy(bh->b_data,
kaddr + bh_offset(bd2->bd_bh),
sdp->sd_sb.sb_bsize);
kunmap_atomic(page, KM_USER0);
*(__be32 *)bh->b_data = 0;
} else {
@@ -608,7 +626,8 @@ static void databuf_lo_before_commit(struct gfs2_sbd *sdp)
/* Wait on all ordered buffers */
while (!list_empty(&started)) {
gfs2_log_lock(sdp);
bd1 = list_entry(started.next, struct gfs2_bufdata, bd_le.le_list);
bd1 = list_entry(started.next, struct gfs2_bufdata,
bd_le.le_list);
list_del(&bd1->bd_le.le_list);
sdp->sd_log_num_databuf--;
@@ -685,7 +704,8 @@ static void databuf_lo_after_scan(struct gfs2_jdesc *jd, int error, int pass)
struct gfs2_sbd *sdp = get_v2ip(jd->jd_inode)->i_sbd;
if (error) {
gfs2_meta_sync(get_v2ip(jd->jd_inode)->i_gl, DIO_START | DIO_WAIT);
gfs2_meta_sync(get_v2ip(jd->jd_inode)->i_gl,
DIO_START | DIO_WAIT);
return;
}
if (pass != 1)