* GPL HEADER END
*/
/*
- * Copyright 2008 Sun Microsystems, Inc. All rights reserved
+ * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
*/
/*
#include <linux/init.h>
#include <linux/module.h>
#include <linux/slab.h>
-#include <linux/quotaio_v1.h>
+#ifdef HAVE_QUOTAIO_V1_H
+# include <linux/quotaio_v1.h>
+#endif
#include <asm/byteorder.h>
#include <asm/uaccess.h>
[LUSTRE_QUOTA_V2] = sizeof(struct lustre_disk_dqblk_v2)
};
-int check_quota_file(struct file *f, struct inode *inode, int type,
+static const union
+{
+ struct lustre_disk_dqblk_v2 r1;
+} fakedquot[] = {
+ [LUSTRE_QUOTA_V2] = {.r1 = {.dqb_itime = __constant_cpu_to_le64(1LLU)}}
+};
+
+static const union
+{
+ struct lustre_disk_dqblk_v2 r1;
+} emptydquot[] = {
+ [LUSTRE_QUOTA_V2] = {.r1 = { 0 }}
+};
+
+extern void *lustre_quota_journal_start(struct inode *inode, int delete);
+extern void lustre_quota_journal_stop(void *handle);
+extern ssize_t lustre_read_quota(struct file *f, struct inode *inode, int type,
+ char *buf, int count, loff_t pos);
+extern ssize_t lustre_write_quota(struct file *f, char *buf, int count, loff_t pos);
+
+int check_quota_file(struct file *f, struct inode *inode, int type,
lustre_quota_version_t version)
{
struct lustre_disk_dqheader dqhead;
- mm_segment_t fs;
ssize_t size;
- loff_t offset = 0;
static const uint quota_magics[] = LUSTRE_INITQMAGICS;
const uint *quota_versions = lustre_initqversions[version];
- if (f) {
- fs = get_fs();
- set_fs(KERNEL_DS);
- size = f->f_op->read(f, (char *)&dqhead,
- sizeof(struct lustre_disk_dqheader),
- &offset);
- set_fs(fs);
- } else {
-#ifndef KERNEL_SUPPORTS_QUOTA_READ
- size = 0;
-#else
- struct super_block *sb = inode->i_sb;
- size = sb->s_op->quota_read(sb, type, (char *)&dqhead,
- sizeof(struct lustre_disk_dqheader), 0);
-#endif
- }
+ size = lustre_read_quota(f, inode, type, (char *)&dqhead,
+ sizeof(struct lustre_disk_dqheader), 0);
if (size != sizeof(struct lustre_disk_dqheader))
return -EINVAL;
if (le32_to_cpu(dqhead.dqh_magic) != quota_magics[type] ||
int lustre_read_quota_file_info(struct file* f, struct lustre_mem_dqinfo* info)
{
- mm_segment_t fs;
struct lustre_disk_dqinfo dinfo;
ssize_t size;
- loff_t offset = LUSTRE_DQINFOOFF;
- fs = get_fs();
- set_fs(KERNEL_DS);
- size = f->f_op->read(f, (char *)&dinfo,
- sizeof(struct lustre_disk_dqinfo), &offset);
- set_fs(fs);
+ size = lustre_read_quota(f, NULL, 0, (char *)&dinfo,
+ sizeof(struct lustre_disk_dqinfo),
+ LUSTRE_DQINFOOFF);
+
if (size != sizeof(struct lustre_disk_dqinfo)) {
CDEBUG(D_ERROR, "Can't read info structure on device %s.\n",
f->f_vfsmnt->mnt_sb->s_id);
*/
int lustre_read_quota_info(struct lustre_quota_info *lqi, int type)
{
- return lustre_read_quota_file_info(lqi->qi_files[type], &lqi->qi_info[type]);
+ return lustre_read_quota_file_info(lqi->qi_files[type],
+ &lqi->qi_info[type]);
}
/**
*/
int lustre_write_quota_info(struct lustre_quota_info *lqi, int type)
{
- mm_segment_t fs;
struct lustre_disk_dqinfo dinfo;
struct lustre_mem_dqinfo *info = &lqi->qi_info[type];
struct file *f = lqi->qi_files[type];
ssize_t size;
- loff_t offset = LUSTRE_DQINFOOFF;
info->dqi_flags &= ~DQF_INFO_DIRTY;
dinfo.dqi_bgrace = cpu_to_le32(info->dqi_bgrace);
dinfo.dqi_blocks = cpu_to_le32(info->dqi_blocks);
dinfo.dqi_free_blk = cpu_to_le32(info->dqi_free_blk);
dinfo.dqi_free_entry = cpu_to_le32(info->dqi_free_entry);
- fs = get_fs();
- set_fs(KERNEL_DS);
- size = f->f_op->write(f, (char *)&dinfo,
- sizeof(struct lustre_disk_dqinfo), &offset);
- set_fs(fs);
+
+ size = lustre_write_quota(f, (char *)&dinfo,
+ sizeof(struct lustre_disk_dqinfo),
+ LUSTRE_DQINFOOFF);
+
if (size != sizeof(struct lustre_disk_dqinfo)) {
CDEBUG(D_WARNING,
"Can't write info structure on device %s.\n",
kfree(buf);
}
-ssize_t read_blk(struct file *filp, uint blk, dqbuf_t buf)
+ssize_t read_blk(struct file *filp, struct inode *inode, int type,
+ uint blk, dqbuf_t buf)
{
- mm_segment_t fs;
ssize_t ret;
- loff_t offset = blk << LUSTRE_DQBLKSIZE_BITS;
memset(buf, 0, LUSTRE_DQBLKSIZE);
- fs = get_fs();
- set_fs(KERNEL_DS);
- ret = filp->f_op->read(filp, (char *)buf, LUSTRE_DQBLKSIZE, &offset);
- set_fs(fs);
+ ret = lustre_read_quota(filp, inode, type, (char *)buf, LUSTRE_DQBLKSIZE,
+ blk << LUSTRE_DQBLKSIZE_BITS);
+
+ /* Reading past EOF just returns a block of zeros */
+ if (ret == -EBADR)
+ ret = 0;
+
return ret;
}
ssize_t write_blk(struct file *filp, uint blk, dqbuf_t buf)
{
- mm_segment_t fs;
ssize_t ret;
- loff_t offset = blk << LUSTRE_DQBLKSIZE_BITS;
- fs = get_fs();
- set_fs(KERNEL_DS);
- ret = filp->f_op->write(filp, (char *)buf, LUSTRE_DQBLKSIZE, &offset);
- set_fs(fs);
+ ret = lustre_write_quota(filp, (char *)buf, LUSTRE_DQBLKSIZE,
+ blk << LUSTRE_DQBLKSIZE_BITS);
+
return ret;
}
void lustre_mark_info_dirty(struct lustre_mem_dqinfo *info)
{
- set_bit(DQF_INFO_DIRTY_B, &info->dqi_flags);
+ cfs_set_bit(DQF_INFO_DIRTY_B, &info->dqi_flags);
}
/**
return -ENOMEM;
if (info->dqi_free_blk) {
blk = info->dqi_free_blk;
- if ((ret = read_blk(filp, blk, buf)) < 0)
+ if ((ret = read_blk(filp, NULL, 0, blk, buf)) < 0)
goto out_buf;
info->dqi_free_blk = le32_to_cpu(dh->dqdh_next_free);
} else {
if (!tmpbuf)
return -ENOMEM;
if (nextblk) {
- if ((err = read_blk(filp, nextblk, tmpbuf)) < 0)
+ if ((err = read_blk(filp, NULL, 0, nextblk, tmpbuf)) < 0)
goto out_buf;
((struct lustre_disk_dqdbheader *)tmpbuf)->dqdh_prev_free =
dh->dqdh_prev_free;
goto out_buf;
}
if (prevblk) {
- if ((err = read_blk(filp, prevblk, tmpbuf)) < 0)
+ if ((err = read_blk(filp, NULL, 0, prevblk, tmpbuf)) < 0)
goto out_buf;
((struct lustre_disk_dqdbheader *)tmpbuf)->dqdh_next_free =
dh->dqdh_next_free;
if ((err = write_blk(filp, blk, buf)) < 0)
goto out_buf;
if (info->dqi_free_entry) {
- if ((err = read_blk(filp, info->dqi_free_entry, tmpbuf)) < 0)
+ if ((err = read_blk(filp, NULL, 0, info->dqi_free_entry, tmpbuf)) < 0)
goto out_buf;
((struct lustre_disk_dqdbheader *)tmpbuf)->dqdh_prev_free =
cpu_to_le32(blk);
void *ddquot;
int dqblk_sz = lustre_disk_dqblk_sz[version];
int dqstrinblk = lustre_dqstrinblk[version];
- char fakedquot[dqblk_sz];
dqbuf_t buf;
*err = 0;
ddquot = GETENTRIES(buf, version);
if (info->dqi_free_entry) {
blk = info->dqi_free_entry;
- if ((*err = read_blk(filp, blk, buf)) < 0)
+ if ((*err = read_blk(filp, NULL, 0, blk, buf)) < 0)
goto out_buf;
} else {
blk = get_free_dqblk(filp, info);
if (le16_to_cpu(dh->dqdh_entries) + 1 >= dqstrinblk)
if ((*err = remove_free_dqentry(filp, info, buf, blk)) < 0) {
CDEBUG(D_ERROR,
- "VFS: find_free_dqentry(): Can't remove block (%u) from entry free list.\n",
- blk);
+ "VFS: find_free_dqentry(): Can't remove block "
+ "(%u) from entry free list.\n", blk);
goto out_buf;
}
dh->dqdh_entries = cpu_to_le16(le16_to_cpu(dh->dqdh_entries) + 1);
- memset(fakedquot, 0, dqblk_sz);
/* Find free structure in block */
for (i = 0; i < dqstrinblk &&
- memcmp(fakedquot, (char*)ddquot + i * dqblk_sz,
- sizeof(fakedquot)); i++);
+ memcmp((char *)&emptydquot[version],
+ (char *)ddquot + i * dqblk_sz, dqblk_sz);
+ i++);
if (i == dqstrinblk) {
CDEBUG(D_ERROR,
- "VFS: find_free_dqentry(): Data block full but it shouldn't.\n");
+ "VFS: find_free_dqentry(): Data block full but it "
+ "shouldn't.\n");
*err = -EIO;
goto out_buf;
}
if ((*err = write_blk(filp, blk, buf)) < 0) {
CDEBUG(D_ERROR,
- "VFS: find_free_dqentry(): Can't write quota data block %u.\n",
- blk);
+ "VFS: find_free_dqentry(): Can't write quota data "
+ "block %u.\n", blk);
goto out_buf;
}
dquot->dq_off =
/**
* Insert reference to structure into the trie
*/
-static int do_insert_tree(struct lustre_dquot *dquot, uint * treeblk, int depth,
+static int do_insert_tree(struct lustre_dquot *dquot, uint * treeblk, int depth,
lustre_quota_version_t version)
{
struct lustre_quota_info *lqi = dquot->dq_info;
memset(buf, 0, LUSTRE_DQBLKSIZE);
newact = 1;
} else {
- if ((ret = read_blk(filp, *treeblk, buf)) < 0) {
- CDEBUG(D_ERROR,
- "VFS: Can't read tree quota block %u.\n",
+ if ((ret = read_blk(filp, NULL, 0, *treeblk, buf)) < 0) {
+ CERROR("VFS: Can't read tree quota block %u.\n",
*treeblk);
goto out_buf;
}
if (newblk) {
CDEBUG(D_ERROR,
- "VFS: Inserting already present quota entry (block %u).\n",
+ "VFS: Inserting already present quota entry "
+ "(block %u).\n",
ref[GETIDINDEX(dquot->dq_id, depth)]);
ret = -EIO;
goto out_buf;
{
int type = dquot->dq_type;
struct file *filp;
- mm_segment_t fs;
loff_t offset;
ssize_t ret;
int dqblk_sz = lustre_disk_dqblk_sz[version];
- char ddquot[dqblk_sz], empty[dqblk_sz];
+ struct lustre_disk_dqblk_v2 ddquot;
- ret = mem2diskdqb(ddquot, &dquot->dq_dqb, dquot->dq_id, version);
+ ret = mem2diskdqb(&ddquot, &dquot->dq_dqb, dquot->dq_id, version);
if (ret < 0)
return ret;
if (!dquot->dq_off)
if ((ret = dq_insert_tree(dquot, version)) < 0) {
CDEBUG(D_ERROR,
- "VFS: Error %Zd occurred while creating quota.\n",
- ret);
+ "VFS: Error %Zd occurred while creating "
+ "quota.\n", ret);
return ret;
}
filp = dquot->dq_info->qi_files[type];
offset = dquot->dq_off;
- /* Argh... We may need to write structure full of zeroes but that would be
- * treated as an empty place by the rest of the code. Format change would
- * be definitely cleaner but the problems probably are not worth it */
- memset(empty, 0, dqblk_sz);
- if (!memcmp(empty, ddquot, dqblk_sz))
- ((struct lustre_disk_dqblk_v2 *)ddquot)->dqb_itime = cpu_to_le64(1);
- fs = get_fs();
- set_fs(KERNEL_DS);
- ret = filp->f_op->write(filp, ddquot,
- dqblk_sz, &offset);
- set_fs(fs);
+ /* Argh... We may need to write structure full of zeroes but that would
+ * be treated as an empty place by the rest of the code. Format change
+ * would be definitely cleaner but the problems probably are not worth
+ * it */
+ if (!memcmp((char *)&emptydquot[version], (char *)&ddquot, dqblk_sz))
+ ddquot.dqb_itime = cpu_to_le64(1);
+
+ ret = lustre_write_quota(filp, (char *)&ddquot, dqblk_sz, offset);
if (ret != dqblk_sz) {
CDEBUG(D_WARNING, "VFS: dquota write failed on dev %s\n",
filp->f_dentry->d_sb->s_id);
return -ENOMEM;
if (dquot->dq_off >> LUSTRE_DQBLKSIZE_BITS != blk) {
CDEBUG(D_ERROR,
- "VFS: Quota structure has offset to other block (%u) than it should (%u).\n",
+ "VFS: Quota structure has offset to other block (%u) "
+ "than it should (%u).\n",
blk, (uint) (dquot->dq_off >> LUSTRE_DQBLKSIZE_BITS));
goto out_buf;
}
- if ((ret = read_blk(filp, blk, buf)) < 0) {
+ if ((ret = read_blk(filp, NULL, 0, blk, buf)) < 0) {
CDEBUG(D_ERROR, "VFS: Can't read quota data block %u\n", blk);
goto out_buf;
}
if ((ret = remove_free_dqentry(filp, info, buf, blk)) < 0 ||
(ret = put_free_dqblk(filp, info, buf, blk)) < 0) {
CDEBUG(D_ERROR,
- "VFS: Can't move quota data block (%u) to free list.\n",
- blk);
+ "VFS: Can't move quota data block (%u) to free "
+ "list.\n", blk);
goto out_buf;
}
} else {
if ((ret =
insert_free_dqentry(filp, info, buf, blk)) < 0) {
CDEBUG(D_ERROR,
- "VFS: Can't insert quota data block (%u) to free entry list.\n",
- blk);
+ "VFS: Can't insert quota data block "
+ "(%u) to free entry list.\n", blk);
goto out_buf;
}
} else if ((ret = write_blk(filp, blk, buf)) < 0) {
if (!buf)
return -ENOMEM;
- if ((ret = read_blk(filp, *blk, buf)) < 0) {
- CDEBUG(D_ERROR, "VFS: Can't read quota data block %u\n", *blk);
+ if ((ret = read_blk(filp, NULL, 0, *blk, buf)) < 0) {
+ CERROR("VFS: Can't read quota data block %u\n", *blk);
goto out_buf;
}
newblk = le32_to_cpu(ref[GETIDINDEX(dquot->dq_id, depth)]);
dqbuf_t buf = getdqbuf();
loff_t ret = 0;
int i;
- struct lustre_disk_dqblk_v2 *ddquot = (struct lustre_disk_dqblk_v2 *)GETENTRIES(buf, version);
+ struct lustre_disk_dqblk_v2 *ddquot =
+ (struct lustre_disk_dqblk_v2 *)GETENTRIES(buf, version);
int dqblk_sz = lustre_disk_dqblk_sz[version];
int dqstrinblk = lustre_dqstrinblk[version];
if (!buf)
return -ENOMEM;
- if ((ret = read_blk(filp, blk, buf)) < 0) {
- CDEBUG(D_ERROR, "VFS: Can't read quota tree block %u.\n", blk);
+ if ((ret = read_blk(filp, NULL, 0, blk, buf)) < 0) {
+ CERROR("VFS: Can't read quota tree block %u.\n", blk);
goto out_buf;
}
if (dquot->dq_id)
le32_to_cpu(ddquot[i].dqb_id) != dquot->dq_id;
i++) ;
else { /* ID 0 as a bit more complicated searching... */
- char fakedquot[dqblk_sz];
-
- memset(fakedquot, 0, sizeof(fakedquot));
for (i = 0; i < dqstrinblk; i++)
if (!le32_to_cpu(ddquot[i].dqb_id)
- && memcmp(fakedquot, ddquot + i,
- dqblk_sz))
+ && memcmp((char *)&emptydquot[version],
+ (char *)&ddquot[i], dqblk_sz))
break;
}
if (i == dqstrinblk) {
/**
* Find entry for given id in the tree
*/
-static loff_t find_tree_dqentry(struct lustre_dquot *dquot, uint blk, int depth,
+static loff_t find_tree_dqentry(struct lustre_dquot *dquot, uint blk, int depth,
lustre_quota_version_t version)
{
struct file *filp = dquot->dq_info->qi_files[dquot->dq_type];
if (!buf)
return -ENOMEM;
- if ((ret = read_blk(filp, blk, buf)) < 0) {
- CDEBUG(D_ERROR, "VFS: Can't read quota tree block %u.\n", blk);
+ if ((ret = read_blk(filp, NULL, 0, blk, buf)) < 0) {
+ CERROR("VFS: Can't read quota tree block %u.\n", blk);
goto out_buf;
}
ret = 0;
{
int type = dquot->dq_type;
struct file *filp;
- mm_segment_t fs;
loff_t offset;
int ret = 0, dqblk_sz;
lustre_quota_version_t version;
/* Invalidated quota? */
if (!dquot->dq_info || !(filp = dquot->dq_info->qi_files[type])) {
CDEBUG(D_ERROR, "VFS: Quota invalidated while reading!\n");
- return -EIO;
+ return -ESRCH;
}
version = dquot->dq_info->qi_version;
"VFS: Can't read quota structure for id %u.\n",
dquot->dq_id);
dquot->dq_off = 0;
- set_bit(DQ_FAKE_B, &dquot->dq_flags);
+ cfs_set_bit(DQ_FAKE_B, &dquot->dq_flags);
memset(&dquot->dq_dqb, 0, sizeof(struct lustre_mem_dqblk));
ret = offset;
} else {
- char ddquot[dqblk_sz], empty[dqblk_sz];
+ struct lustre_disk_dqblk_v2 ddquot;
dquot->dq_off = offset;
- fs = get_fs();
- set_fs(KERNEL_DS);
- if ((ret = filp->f_op->read(filp, ddquot, dqblk_sz, &offset)) !=
- dqblk_sz) {
+ if ((ret = lustre_read_quota(filp, NULL, type, (char *)&ddquot,
+ dqblk_sz, offset)) != dqblk_sz) {
if (ret >= 0)
ret = -EIO;
CDEBUG(D_ERROR,
- "VFS: Error while reading quota structure for id %u.\n",
- dquot->dq_id);
- memset(ddquot, 0, dqblk_sz);
+ "VFS: Error while reading quota structure for id "
+ "%u.\n", dquot->dq_id);
+ memset((char *)&ddquot, 0, dqblk_sz);
} else {
ret = 0;
/* We need to escape back all-zero structure */
- memset(empty, 0, dqblk_sz);
- ((struct lustre_disk_dqblk_v2 *)empty)->dqb_itime = cpu_to_le64(1);
- if (!memcmp(empty, ddquot, dqblk_sz))
- ((struct lustre_disk_dqblk_v2 *)empty)->dqb_itime = cpu_to_le64(0);
+ if (!memcmp((char *)&fakedquot[version],
+ (char *)&ddquot, dqblk_sz))
+ ddquot.dqb_itime = cpu_to_le64(0);
}
- set_fs(fs);
- disk2memdqb(&dquot->dq_dqb, ddquot, version);
+ disk2memdqb(&dquot->dq_dqb, &ddquot, version);
}
return ret;
{
int rc = 0;
lustre_quota_version_t version = dquot->dq_info->qi_version;
+ void *handle;
+ struct inode *inode = dquot->dq_info->qi_files[dquot->dq_type]->f_dentry->d_inode;
+ int delete = 0;
/* always clear the flag so we don't loop on an IO error... */
- clear_bit(DQ_MOD_B, &dquot->dq_flags);
+ cfs_clear_bit(DQ_MOD_B, &dquot->dq_flags);
/* The block/inode usage in admin quotafile isn't the real usage
* over all cluster, so keep the fake dquot entry on disk is
* meaningless, just remove it */
- if (test_bit(DQ_FAKE_B, &dquot->dq_flags))
+ if (cfs_test_bit(DQ_FAKE_B, &dquot->dq_flags))
+ delete = 1;
+ handle = lustre_quota_journal_start(inode, delete);
+ if (unlikely(IS_ERR(handle))) {
+ rc = PTR_ERR(handle);
+ CERROR("fail to lustre_quota_journal_start: rc = %d\n", rc);
+ return rc;
+ }
+
+ if (delete)
rc = lustre_delete_dquot(dquot, version);
else
rc = lustre_write_dquot(dquot, version);
+ lustre_quota_journal_stop(handle);
if (rc < 0)
return rc;
return rc;
}
-int lustre_init_quota_header(struct lustre_quota_info *lqi, int type, int fakemagics)
+int lustre_init_quota_header(struct lustre_quota_info *lqi, int type,
+ int fakemagics)
{
static const uint quota_magics[] = LUSTRE_INITQMAGICS;
static const uint fake_magics[] = LUSTRE_BADQMAGICS;
const uint* quota_versions = lustre_initqversions[lqi->qi_version];
struct lustre_disk_dqheader dqhead;
ssize_t size;
- loff_t offset = 0;
struct file *fp = lqi->qi_files[type];
int rc = 0;
dqhead.dqh_magic = cpu_to_le32(fakemagics ?
fake_magics[type] : quota_magics[type]);
dqhead.dqh_version = cpu_to_le32(quota_versions[type]);
- size = fp->f_op->write(fp, (char *)&dqhead,
- sizeof(struct lustre_disk_dqheader), &offset);
+ size = lustre_write_quota(fp, (char *)&dqhead,
+ sizeof(struct lustre_disk_dqheader), 0);
if (size != sizeof(struct lustre_disk_dqheader)) {
CDEBUG(D_ERROR, "error writing quoafile header (rc:%d)\n", rc);
return lustre_init_quota_info_generic(lqi, type, 0);
}
-ssize_t quota_read(struct file *file, struct inode *inode, int type,
- uint blk, dqbuf_t buf)
-{
- if (file) {
- return read_blk(file, blk, buf);
- } else {
-#ifndef KERNEL_SUPPORTS_QUOTA_READ
- return -ENOTSUPP;
-#else
- struct super_block *sb = inode->i_sb;
- memset(buf, 0, LUSTRE_DQBLKSIZE);
- return sb->s_op->quota_read(sb, type, (char *)buf,
- LUSTRE_DQBLKSIZE,
- blk << LUSTRE_DQBLKSIZE_BITS);
-#endif
- }
-}
-
static int walk_block_dqentry(struct file *filp, struct inode *inode, int type,
- uint blk, struct list_head *list)
+ uint blk, cfs_list_t *list)
{
dqbuf_t buf = getdqbuf();
loff_t ret = 0;
(struct lustre_disk_dqdbheader *)buf;
struct dqblk *blk_item;
struct dqblk *pos;
- struct list_head *tmp;
+ cfs_list_t *tmp;
if (!buf)
return -ENOMEM;
- if ((ret = quota_read(filp, inode, type, blk, buf)) < 0) {
- CDEBUG(D_ERROR, "VFS: Can't read quota tree block %u.\n", blk);
+ if ((ret = read_blk(filp, inode, type, blk, buf)) < 0) {
+ CERROR("VFS: Can't read quota tree block %u.\n", blk);
goto out_buf;
}
ret = 0;
if (!le32_to_cpu(dqhead->dqdh_entries))
goto out_buf;
- if (list_empty(list)) {
+ if (cfs_list_empty(list)) {
tmp = list;
goto done;
}
- list_for_each_entry(pos, list, link) {
+ cfs_list_for_each_entry(pos, list, link) {
if (blk == pos->blk) /* we got this blk already */
goto out_buf;
if (blk > pos->blk)
goto out_buf;
}
blk_item->blk = blk;
- INIT_LIST_HEAD(&blk_item->link);
+ CFS_INIT_LIST_HEAD(&blk_item->link);
- list_add_tail(&blk_item->link, tmp);
+ cfs_list_add_tail(&blk_item->link, tmp);
out_buf:
freedqbuf(buf);
}
int walk_tree_dqentry(struct file *filp, struct inode *inode, int type,
- uint blk, int depth, struct list_head *list)
+ uint blk, int depth, cfs_list_t *list)
{
dqbuf_t buf = getdqbuf();
loff_t ret = 0;
if (!buf)
return -ENOMEM;
- if ((ret = quota_read(filp, inode, type, blk, buf)) < 0) {
- CDEBUG(D_ERROR, "VFS: Can't read quota tree block %u.\n", blk);
+ if ((ret = read_blk(filp, inode, type, blk, buf)) < 0) {
+ CERROR("VFS: Can't read quota tree block %u.\n", blk);
goto out_buf;
}
ret = 0;
* Walk through the quota file (v2 format) to get all ids with quota limit
*/
int lustre_get_qids(struct file *fp, struct inode *inode, int type,
- struct list_head *list)
+ cfs_list_t *list)
{
- struct list_head blk_list;
+ cfs_list_t blk_list;
struct dqblk *blk_item, *tmp;
dqbuf_t buf = NULL;
struct lustre_disk_dqblk_v2 *ddquot;
ENTRY;
+ LASSERT(ergo(fp == NULL, inode != NULL));
+
if (check_quota_file(fp, inode, type, LUSTRE_QUOTA_V2) == 0)
version = LUSTRE_QUOTA_V2;
else {
RETURN(-EINVAL);
}
- if (!list_empty(list)) {
+ if (!cfs_list_empty(list)) {
CDEBUG(D_ERROR, "not empty list\n");
RETURN(-EINVAL);
}
- INIT_LIST_HEAD(&blk_list);
+ CFS_INIT_LIST_HEAD(&blk_list);
rc = walk_tree_dqentry(fp, inode, type, LUSTRE_DQTREEOFF, 0, &blk_list);
if (rc) {
CDEBUG(D_ERROR, "walk through quota file failed!(%d)\n", rc);
GOTO(out_free, rc);
}
- if (list_empty(&blk_list))
+ if (cfs_list_empty(&blk_list))
RETURN(0);
buf = getdqbuf();
RETURN(-ENOMEM);
ddquot = (struct lustre_disk_dqblk_v2 *)GETENTRIES(buf, version);
- list_for_each_entry(blk_item, &blk_list, link) {
+ cfs_list_for_each_entry(blk_item, &blk_list, link) {
loff_t ret = 0;
int i, dqblk_sz = lustre_disk_dqblk_sz[version];
- char fakedquot[dqblk_sz];
memset(buf, 0, LUSTRE_DQBLKSIZE);
- if ((ret = quota_read(fp, inode, type, blk_item->blk, buf))<0) {
- CDEBUG(D_ERROR,
- "VFS: Can't read quota tree block %u.\n",
+ if ((ret = read_blk(fp, inode, type, blk_item->blk, buf)) < 0) {
+ CERROR("VFS: Can't read quota tree block %u.\n",
blk_item->blk);
GOTO(out_free, rc = ret);
}
- memset(fakedquot, 0, dqblk_sz);
for (i = 0; i < lustre_dqstrinblk[version]; i++) {
struct dquot_id *dqid;
/* skip empty entry */
- if (!memcmp(fakedquot, ddquot + i, dqblk_sz))
+ if (!memcmp((char *)&emptydquot[version],
+ (char *)&ddquot[i], dqblk_sz))
continue;
- dqid = kmalloc(sizeof(*dqid), GFP_NOFS);
- if (!dqid)
+ OBD_ALLOC_GFP(dqid, sizeof(*dqid), GFP_NOFS);
+ if (!dqid)
GOTO(out_free, rc = -ENOMEM);
- dqid->di_id = le32_to_cpu(ddquot[i].dqb_id);
- INIT_LIST_HEAD(&dqid->di_link);
- list_add(&dqid->di_link, list);
+ dqid->di_id = le32_to_cpu(ddquot[i].dqb_id);
+ dqid->di_flag = le64_to_cpu(ddquot[i].dqb_ihardlimit) ?
+ QI_SET : 0;
+ dqid->di_flag |= le64_to_cpu(ddquot[i].dqb_bhardlimit) ?
+ QB_SET : 0;
+
+ CFS_INIT_LIST_HEAD(&dqid->di_link);
+ cfs_list_add(&dqid->di_link, list);
}
}
out_free:
- list_for_each_entry_safe(blk_item, tmp, &blk_list, link) {
- list_del_init(&blk_item->link);
+ cfs_list_for_each_entry_safe(blk_item, tmp, &blk_list, link) {
+ cfs_list_del_init(&blk_item->link);
kfree(blk_item);
}
if (buf)