*
* This copyrighted material is made available to anyone wishing to use,
* modify, copy, or redistribute it subject to the terms and conditions
- * of the GNU General Public License v.2.
+ * of the GNU General Public License version 2.
*/
#include <linux/sched.h>
#include <linux/buffer_head.h>
#include <linux/fs.h>
#include <linux/gfs2_ondisk.h>
+#include <linux/lm_interface.h>
#include "gfs2.h"
-#include "lm_interface.h"
#include "incore.h"
#include "glock.h"
#include "glops.h"
#include "ops_file.h"
#include "util.h"
-#define BFITNOENT 0xFFFFFFFF
+#define BFITNOENT ((u32)~0)
/*
* These routines are used by the resource group routines (rgrp.c)
*/
static void gfs2_setbit(struct gfs2_rgrpd *rgd, unsigned char *buffer,
- unsigned int buflen, uint32_t block,
+ unsigned int buflen, u32 block,
unsigned char new_state)
{
unsigned char *byte, *end, cur_state;
*/
static unsigned char gfs2_testbit(struct gfs2_rgrpd *rgd, unsigned char *buffer,
- unsigned int buflen, uint32_t block)
+ unsigned int buflen, u32 block)
{
unsigned char *byte, *end, cur_state;
unsigned int bit;
* Return: the block number (bitmap buffer scope) that was found
*/
-static uint32_t gfs2_bitfit(struct gfs2_rgrpd *rgd, unsigned char *buffer,
- unsigned int buflen, uint32_t goal,
+static u32 gfs2_bitfit(struct gfs2_rgrpd *rgd, unsigned char *buffer,
+ unsigned int buflen, u32 goal,
unsigned char old_state)
{
unsigned char *byte, *end, alloc;
- uint32_t blk = goal;
+ u32 blk = goal;
unsigned int bit;
byte = buffer + (goal / GFS2_NBBY);
* Returns: The number of bits
*/
-static uint32_t gfs2_bitcount(struct gfs2_rgrpd *rgd, unsigned char *buffer,
+static u32 gfs2_bitcount(struct gfs2_rgrpd *rgd, unsigned char *buffer,
unsigned int buflen, unsigned char state)
{
unsigned char *byte = buffer;
unsigned char state1 = state << 2;
unsigned char state2 = state << 4;
unsigned char state3 = state << 6;
- uint32_t count = 0;
+ u32 count = 0;
for (; byte < end; byte++) {
if (((*byte) & 0x03) == state)
{
struct gfs2_sbd *sdp = rgd->rd_sbd;
struct gfs2_bitmap *bi = NULL;
- uint32_t length = rgd->rd_ri.ri_length;
- uint32_t count[4], tmp;
+ u32 length = rgd->rd_ri.ri_length;
+ u32 count[4], tmp;
int buf, x;
- memset(count, 0, 4 * sizeof(uint32_t));
+ memset(count, 0, 4 * sizeof(u32));
/* Count # blocks in each of 4 possible allocation states */
for (buf = 0; buf < length; buf++) {
}
-static inline int rgrp_contains_block(struct gfs2_rindex *ri, uint64_t block)
+static inline int rgrp_contains_block(struct gfs2_rindex *ri, u64 block)
{
- uint64_t first = ri->ri_data0;
- uint64_t last = first + ri->ri_data;
- return !!(first <= block && block < last);
+ u64 first = ri->ri_data0;
+ u64 last = first + ri->ri_data;
+ return first <= block && block < last;
}
/**
* Returns: The resource group, or NULL if not found
*/
-struct gfs2_rgrpd *gfs2_blk2rgrpd(struct gfs2_sbd *sdp, uint64_t blk)
+struct gfs2_rgrpd *gfs2_blk2rgrpd(struct gfs2_sbd *sdp, u64 blk)
{
struct gfs2_rgrpd *rgd;
{
struct gfs2_sbd *sdp = rgd->rd_sbd;
struct gfs2_bitmap *bi;
- uint32_t length = rgd->rd_ri.ri_length; /* # blocks in hdr & bitmap */
- uint32_t bytes_left, bytes;
+ u32 length = rgd->rd_ri.ri_length; /* # blocks in hdr & bitmap */
+ u32 bytes_left, bytes;
int x;
if (!length)
return -EINVAL;
- rgd->rd_bits = kcalloc(length, sizeof(struct gfs2_bitmap), GFP_KERNEL);
+ rgd->rd_bits = kcalloc(length, sizeof(struct gfs2_bitmap), GFP_NOFS);
if (!rgd->rd_bits)
return -ENOMEM;
struct gfs2_rgrpd *rgd;
char buf[sizeof(struct gfs2_rindex)];
struct file_ra_state ra_state;
- uint64_t junk = ip->i_di.di_size;
+ u64 junk = ip->i_di.di_size;
int error;
if (do_div(junk, sizeof(struct gfs2_rindex))) {
goto fail;
}
- rgd = kzalloc(sizeof(struct gfs2_rgrpd), GFP_KERNEL);
+ rgd = kzalloc(sizeof(struct gfs2_rgrpd), GFP_NOFS);
error = -ENOMEM;
if (!rgd)
goto fail;
for (x = 0; x < length; x++) {
bi = rgd->rd_bits + x;
- error = gfs2_meta_read(gl, rgd->rd_ri.ri_addr + x, DIO_START,
- &bi->bi_bh);
+ error = gfs2_meta_read(gl, rgd->rd_ri.ri_addr + x, 0, &bi->bi_bh);
if (error)
goto fail;
}
for (y = length; y--;) {
bi = rgd->rd_bits + y;
- error = gfs2_meta_reread(sdp, bi->bi_bh, DIO_WAIT);
+ error = gfs2_meta_wait(sdp, bi->bi_bh);
if (error)
goto fail;
if (gfs2_metatype_check(sdp, bi->bi_bh, y ? GFS2_METATYPE_RB :
return al;
}
-/**
- * gfs2_alloc_put - throw away the struct gfs2_alloc for an inode
- * @ip: the inode
- *
- */
-
-void gfs2_alloc_put(struct gfs2_inode *ip)
-{
- return;
-}
-
/**
* try_rgrp_fit - See if a given reservation will fit in a given RG
* @rgd: the RG data
*/
static struct gfs2_rgrpd *recent_rgrp_first(struct gfs2_sbd *sdp,
- uint64_t rglast)
+ u64 rglast)
{
struct gfs2_rgrpd *rgd = NULL;
if (sdp->sd_rgrps >= journals)
rg = sdp->sd_rgrps * sdp->sd_jdesc->jd_jid / journals;
- for (x = 0, rgd = gfs2_rgrpd_get_first(sdp);
- x < rg;
+ for (x = 0, rgd = gfs2_rgrpd_get_first(sdp); x < rg;
x++, rgd = gfs2_rgrpd_get_next(rgd))
/* Do Nothing */;
rgd = recent_rgrp_first(sdp, ip->i_last_rg_alloc);
while (rgd) {
- error = gfs2_glock_nq_init(rgd->rd_gl,
- LM_ST_EXCLUSIVE, LM_FLAG_TRY,
- &al->al_rgd_gh);
+ error = gfs2_glock_nq_init(rgd->rd_gl, LM_ST_EXCLUSIVE,
+ LM_FLAG_TRY, &al->al_rgd_gh);
switch (error) {
case 0:
if (try_rgrp_fit(rgd, al))
begin = rgd = forward_rgrp_get(sdp);
for (;;) {
- error = gfs2_glock_nq_init(rgd->rd_gl,
- LM_ST_EXCLUSIVE, flags,
+ error = gfs2_glock_nq_init(rgd->rd_gl, LM_ST_EXCLUSIVE, flags,
&al->al_rgd_gh);
switch (error) {
case 0:
* Returns: The block type (GFS2_BLKST_*)
*/
-unsigned char gfs2_get_block_type(struct gfs2_rgrpd *rgd, uint64_t block)
+unsigned char gfs2_get_block_type(struct gfs2_rgrpd *rgd, u64 block)
{
struct gfs2_bitmap *bi = NULL;
- uint32_t length, rgrp_block, buf_block;
+ u32 length, rgrp_block, buf_block;
unsigned int buf;
unsigned char type;
* Returns: the block number allocated
*/
-static uint32_t rgblk_search(struct gfs2_rgrpd *rgd, uint32_t goal,
+static u32 rgblk_search(struct gfs2_rgrpd *rgd, u32 goal,
unsigned char old_state, unsigned char new_state)
{
struct gfs2_bitmap *bi = NULL;
- uint32_t length = rgd->rd_ri.ri_length;
- uint32_t blk = 0;
+ u32 length = rgd->rd_ri.ri_length;
+ u32 blk = 0;
unsigned int buf, x;
/* Find bitmap block that contains bits for goal block */
* Returns: Resource group containing the block(s)
*/
-static struct gfs2_rgrpd *rgblk_free(struct gfs2_sbd *sdp, uint64_t bstart,
- uint32_t blen, unsigned char new_state)
+static struct gfs2_rgrpd *rgblk_free(struct gfs2_sbd *sdp, u64 bstart,
+ u32 blen, unsigned char new_state)
{
struct gfs2_rgrpd *rgd;
struct gfs2_bitmap *bi = NULL;
- uint32_t length, rgrp_blk, buf_blk;
+ u32 length, rgrp_blk, buf_blk;
unsigned int buf;
rgd = gfs2_blk2rgrpd(sdp, bstart);
if (!bi->bi_clone) {
bi->bi_clone = kmalloc(bi->bi_bh->b_size,
- GFP_KERNEL | __GFP_NOFAIL);
+ GFP_NOFS | __GFP_NOFAIL);
memcpy(bi->bi_clone + bi->bi_offset,
bi->bi_bh->b_data + bi->bi_offset,
bi->bi_len);
}
gfs2_trans_add_bh(rgd->rd_gl, bi->bi_bh, 1);
- gfs2_setbit(rgd,
- bi->bi_bh->b_data + bi->bi_offset,
+ gfs2_setbit(rgd, bi->bi_bh->b_data + bi->bi_offset,
bi->bi_len, buf_blk, new_state);
}
* Returns: the allocated block
*/
-uint64_t gfs2_alloc_data(struct gfs2_inode *ip)
+u64 gfs2_alloc_data(struct gfs2_inode *ip)
{
struct gfs2_sbd *sdp = GFS2_SB(&ip->i_inode);
struct gfs2_alloc *al = &ip->i_alloc;
struct gfs2_rgrpd *rgd = al->al_rgd;
- uint32_t goal, blk;
- uint64_t block;
+ u32 goal, blk;
+ u64 block;
if (rgrp_contains_block(&rgd->rd_ri, ip->i_di.di_goal_data))
goal = ip->i_di.di_goal_data - rgd->rd_ri.ri_data0;
* Returns: the allocated block
*/
-uint64_t gfs2_alloc_meta(struct gfs2_inode *ip)
+u64 gfs2_alloc_meta(struct gfs2_inode *ip)
{
struct gfs2_sbd *sdp = GFS2_SB(&ip->i_inode);
struct gfs2_alloc *al = &ip->i_alloc;
struct gfs2_rgrpd *rgd = al->al_rgd;
- uint32_t goal, blk;
- uint64_t block;
+ u32 goal, blk;
+ u64 block;
if (rgrp_contains_block(&rgd->rd_ri, ip->i_di.di_goal_meta))
goal = ip->i_di.di_goal_meta - rgd->rd_ri.ri_data0;
* Returns: the block allocated
*/
-uint64_t gfs2_alloc_di(struct gfs2_inode *dip)
+u64 gfs2_alloc_di(struct gfs2_inode *dip, u64 *generation)
{
struct gfs2_sbd *sdp = GFS2_SB(&dip->i_inode);
struct gfs2_alloc *al = &dip->i_alloc;
struct gfs2_rgrpd *rgd = al->al_rgd;
- uint32_t blk;
- uint64_t block;
+ u32 blk;
+ u64 block;
blk = rgblk_search(rgd, rgd->rd_last_alloc_meta,
GFS2_BLKST_FREE, GFS2_BLKST_DINODE);
gfs2_assert_withdraw(sdp, rgd->rd_rg.rg_free);
rgd->rd_rg.rg_free--;
rgd->rd_rg.rg_dinodes++;
-
+ *generation = rgd->rd_rg.rg_igeneration++;
gfs2_trans_add_bh(rgd->rd_gl, rgd->rd_bits[0].bi_bh, 1);
gfs2_rgrp_out(&rgd->rd_rg, rgd->rd_bits[0].bi_bh->b_data);
*
*/
-void gfs2_free_data(struct gfs2_inode *ip, uint64_t bstart, uint32_t blen)
+void gfs2_free_data(struct gfs2_inode *ip, u64 bstart, u32 blen)
{
struct gfs2_sbd *sdp = GFS2_SB(&ip->i_inode);
struct gfs2_rgrpd *rgd;
gfs2_trans_add_rg(rgd);
gfs2_statfs_change(sdp, 0, +blen, 0);
- gfs2_quota_change(ip, -(int64_t)blen,
+ gfs2_quota_change(ip, -(s64)blen,
ip->i_di.di_uid, ip->i_di.di_gid);
}
*
*/
-void gfs2_free_meta(struct gfs2_inode *ip, uint64_t bstart, uint32_t blen)
+void gfs2_free_meta(struct gfs2_inode *ip, u64 bstart, u32 blen)
{
struct gfs2_sbd *sdp = GFS2_SB(&ip->i_inode);
struct gfs2_rgrpd *rgd;
gfs2_trans_add_rg(rgd);
gfs2_statfs_change(sdp, 0, +blen, 0);
- gfs2_quota_change(ip, -(int64_t)blen, ip->i_di.di_uid, ip->i_di.di_gid);
+ gfs2_quota_change(ip, -(s64)blen, ip->i_di.di_uid, ip->i_di.di_gid);
gfs2_meta_wipe(ip, bstart, blen);
}
gfs2_trans_add_rg(rgd);
}
-static void gfs2_free_uninit_di(struct gfs2_rgrpd *rgd, uint64_t blkno)
+static void gfs2_free_uninit_di(struct gfs2_rgrpd *rgd, u64 blkno)
{
struct gfs2_sbd *sdp = rgd->rd_sbd;
struct gfs2_rgrpd *tmp_rgd;
*/
void gfs2_rlist_add(struct gfs2_sbd *sdp, struct gfs2_rgrp_list *rlist,
- uint64_t block)
+ u64 block)
{
struct gfs2_rgrpd *rgd;
struct gfs2_rgrpd **tmp;
new_space = rlist->rl_space + 10;
tmp = kcalloc(new_space, sizeof(struct gfs2_rgrpd *),
- GFP_KERNEL | __GFP_NOFAIL);
+ GFP_NOFS | __GFP_NOFAIL);
if (rlist->rl_rgd) {
memcpy(tmp, rlist->rl_rgd,
unsigned int x;
rlist->rl_ghs = kcalloc(rlist->rl_rgrps, sizeof(struct gfs2_holder),
- GFP_KERNEL | __GFP_NOFAIL);
+ GFP_NOFS | __GFP_NOFAIL);
for (x = 0; x < rlist->rl_rgrps; x++)
gfs2_holder_init(rlist->rl_rgd[x]->rd_gl,
state, flags,