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exofs: Rename struct ore_components comps => oc 

ore_components already has a comps member so this leads
to things like comps->comps which is annoying. the name oc
was already used in new code. So rename all old usage of
ore_components comps => ore_components oc.

Signed-off-by: Boaz Harrosh <bharrosh@panasas.com>
This commit is contained in:
Boaz Harrosh 2011-09-28 11:39:59 +03:00
parent de74b05ace
commit 5bf696dad4
5 changed files with 64 additions and 64 deletions
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16
fs/exofs/exofs.h
View File

@ -71,7 +71,7 @@ struct exofs_sb_info {
*/
struct ore_layout layout; /* Default files layout */
struct ore_comp one_comp; /* id & cred of partition id=0*/
struct ore_components comps; /* comps for the partition */
struct ore_components oc; /* comps for the partition */
struct osd_dev *_min_one_dev[1]; /* Place holder for one dev */
};
@ -86,7 +86,7 @@ struct exofs_i_info {
uint32_t i_dir_start_lookup; /* which page to start lookup */
uint64_t i_commit_size; /* the object's written length */
struct ore_comp one_comp; /* same component for all devices */
struct ore_components comps; /* inode view of the device table */
struct ore_components oc; /* inode view of the device table */
};
static inline osd_id exofs_oi_objno(struct exofs_i_info *oi)
@ -207,7 +207,7 @@ extern const struct inode_operations exofs_fast_symlink_inode_operations;
* bigger and that the device table repeats twice.
* See: exofs_read_lookup_dev_table()
*/
static inline void exofs_init_comps(struct ore_components *comps,
static inline void exofs_init_comps(struct ore_components *oc,
struct ore_comp *one_comp,
struct exofs_sb_info *sbi, osd_id oid)
{
@ -217,13 +217,13 @@ static inline void exofs_init_comps(struct ore_components *comps,
one_comp->obj.id = oid;
exofs_make_credential(one_comp->cred, &one_comp->obj);
comps->numdevs = sbi->comps.numdevs;
comps->single_comp = EC_SINGLE_COMP;
comps->comps = one_comp;
oc->numdevs = sbi->oc.numdevs;
oc->single_comp = EC_SINGLE_COMP;
oc->comps = one_comp;
/* Round robin device view of the table */
first_dev = (dev_mod * sbi->layout.mirrors_p1) % sbi->comps.numdevs;
comps->ods = sbi->comps.ods + first_dev;
first_dev = (dev_mod * sbi->layout.mirrors_p1) % sbi->oc.numdevs;
oc->ods = sbi->oc.ods + first_dev;
}
#endif

22
fs/exofs/inode.c
View File

@ -270,7 +270,7 @@ static int read_exec(struct page_collect *pcol)
return 0;
if (!pcol->ios) {
int ret = ore_get_rw_state(&pcol->sbi->layout, &oi->comps, true,
int ret = ore_get_rw_state(&pcol->sbi->layout, &oi->oc, true,
pcol->pg_first << PAGE_CACHE_SHIFT,
pcol->length, &pcol->ios);
@ -516,7 +516,7 @@ static int write_exec(struct page_collect *pcol)
return 0;
BUG_ON(pcol->ios);
ret = ore_get_rw_state(&pcol->sbi->layout, &oi->comps, false,
ret = ore_get_rw_state(&pcol->sbi->layout, &oi->oc, false,
pcol->pg_first << PAGE_CACHE_SHIFT,
pcol->length, &pcol->ios);
@ -860,7 +860,7 @@ static int _do_truncate(struct inode *inode, loff_t newsize)
inode->i_mtime = inode->i_ctime = CURRENT_TIME;
ret = ore_truncate(&sbi->layout, &oi->comps, (u64)newsize);
ret = ore_truncate(&sbi->layout, &oi->oc, (u64)newsize);
if (likely(!ret))
truncate_setsize(inode, newsize);
@ -927,14 +927,14 @@ static int exofs_get_inode(struct super_block *sb, struct exofs_i_info *oi,
struct exofs_on_disk_inode_layout *layout;
int ret;
ret = ore_get_io_state(&sbi->layout, &oi->comps, &ios);
ret = ore_get_io_state(&sbi->layout, &oi->oc, &ios);
if (unlikely(ret)) {
EXOFS_ERR("%s: ore_get_io_state failed.\n", __func__);
return ret;
}
attrs[1].len = exofs_on_disk_inode_layout_size(sbi->comps.numdevs);
attrs[2].len = exofs_on_disk_inode_layout_size(sbi->comps.numdevs);
attrs[1].len = exofs_on_disk_inode_layout_size(sbi->oc.numdevs);
attrs[2].len = exofs_on_disk_inode_layout_size(sbi->oc.numdevs);
ios->in_attr = attrs;
ios->in_attr_len = ARRAY_SIZE(attrs);
@ -1018,7 +1018,7 @@ struct inode *exofs_iget(struct super_block *sb, unsigned long ino)
return inode;
oi = exofs_i(inode);
__oi_init(oi);
exofs_init_comps(&oi->comps, &oi->one_comp, sb->s_fs_info,
exofs_init_comps(&oi->oc, &oi->one_comp, sb->s_fs_info,
exofs_oi_objno(oi));
/* read the inode from the osd */
@ -1172,13 +1172,13 @@ struct inode *exofs_new_inode(struct inode *dir, int mode)
spin_unlock(&sbi->s_next_gen_lock);
insert_inode_hash(inode);
exofs_init_comps(&oi->comps, &oi->one_comp, sb->s_fs_info,
exofs_init_comps(&oi->oc, &oi->one_comp, sb->s_fs_info,
exofs_oi_objno(oi));
exofs_sbi_write_stats(sbi); /* Make sure new sbi->s_nextid is on disk */
mark_inode_dirty(inode);
ret = ore_get_io_state(&sbi->layout, &oi->comps, &ios);
ret = ore_get_io_state(&sbi->layout, &oi->oc, &ios);
if (unlikely(ret)) {
EXOFS_ERR("exofs_new_inode: ore_get_io_state failed\n");
return ERR_PTR(ret);
@ -1267,7 +1267,7 @@ static int exofs_update_inode(struct inode *inode, int do_sync)
} else
memcpy(fcb->i_data, oi->i_data, sizeof(fcb->i_data));
ret = ore_get_io_state(&sbi->layout, &oi->comps, &ios);
ret = ore_get_io_state(&sbi->layout, &oi->oc, &ios);
if (unlikely(ret)) {
EXOFS_ERR("%s: ore_get_io_state failed.\n", __func__);
goto free_args;
@ -1350,7 +1350,7 @@ void exofs_evict_inode(struct inode *inode)
/* ignore the error, attempt a remove anyway */
/* Now Remove the OSD objects */
ret = ore_get_io_state(&sbi->layout, &oi->comps, &ios);
ret = ore_get_io_state(&sbi->layout, &oi->oc, &ios);
if (unlikely(ret)) {
EXOFS_ERR("%s: ore_get_io_state failed\n", __func__);
return;

30
fs/exofs/ore.c
View File

@ -49,20 +49,20 @@ MODULE_LICENSE("GPL");
static u8 *_ios_cred(struct ore_io_state *ios, unsigned index)
{
return ios->comps->comps[index & ios->comps->single_comp].cred;
return ios->oc->comps[index & ios->oc->single_comp].cred;
}
static struct osd_obj_id *_ios_obj(struct ore_io_state *ios, unsigned index)
{
return &ios->comps->comps[index & ios->comps->single_comp].obj;
return &ios->oc->comps[index & ios->oc->single_comp].obj;
}
static struct osd_dev *_ios_od(struct ore_io_state *ios, unsigned index)
{
return ios->comps->ods[index];
return ios->oc->ods[index];
}
int ore_get_rw_state(struct ore_layout *layout, struct ore_components *comps,
int ore_get_rw_state(struct ore_layout *layout, struct ore_components *oc,
bool is_reading, u64 offset, u64 length,
struct ore_io_state **pios)
{
@ -71,16 +71,16 @@ int ore_get_rw_state(struct ore_layout *layout, struct ore_components *comps,
/*TODO: Maybe use kmem_cach per sbi of size
* exofs_io_state_size(layout->s_numdevs)
*/
ios = kzalloc(ore_io_state_size(comps->numdevs), GFP_KERNEL);
ios = kzalloc(ore_io_state_size(oc->numdevs), GFP_KERNEL);
if (unlikely(!ios)) {
ORE_DBGMSG("Failed kzalloc bytes=%d\n",
ore_io_state_size(comps->numdevs));
ore_io_state_size(oc->numdevs));
*pios = NULL;
return -ENOMEM;
}
ios->layout = layout;
ios->comps = comps;
ios->oc = oc;
ios->offset = offset;
ios->length = length;
ios->reading = is_reading;
@ -90,10 +90,10 @@ int ore_get_rw_state(struct ore_layout *layout, struct ore_components *comps,
}
EXPORT_SYMBOL(ore_get_rw_state);
int ore_get_io_state(struct ore_layout *layout, struct ore_components *comps,
int ore_get_io_state(struct ore_layout *layout, struct ore_components *oc,
struct ore_io_state **ios)
{
return ore_get_rw_state(layout, comps, true, 0, 0, ios);
return ore_get_rw_state(layout, oc, true, 0, 0, ios);
}
EXPORT_SYMBOL(ore_get_io_state);
@ -476,7 +476,7 @@ int ore_create(struct ore_io_state *ios)
{
int i, ret;
for (i = 0; i < ios->comps->numdevs; i++) {
for (i = 0; i < ios->oc->numdevs; i++) {
struct osd_request *or;
or = osd_start_request(_ios_od(ios, i), GFP_KERNEL);
@ -501,7 +501,7 @@ int ore_remove(struct ore_io_state *ios)
{
int i, ret;
for (i = 0; i < ios->comps->numdevs; i++) {
for (i = 0; i < ios->oc->numdevs; i++) {
struct osd_request *or;
or = osd_start_request(_ios_od(ios, i), GFP_KERNEL);
@ -768,7 +768,7 @@ static void _calc_trunk_info(struct ore_layout *layout, u64 file_offset,
ti->max_devs = layout->group_width * layout->group_count;
}
int ore_truncate(struct ore_layout *layout, struct ore_components *comps,
int ore_truncate(struct ore_layout *layout, struct ore_components *oc,
u64 size)
{
struct ore_io_state *ios;
@ -779,7 +779,7 @@ int ore_truncate(struct ore_layout *layout, struct ore_components *comps,
struct _trunc_info ti;
int i, ret;
ret = ore_get_io_state(layout, comps, &ios);
ret = ore_get_io_state(layout, oc, &ios);
if (unlikely(ret))
return ret;
@ -792,7 +792,7 @@ int ore_truncate(struct ore_layout *layout, struct ore_components *comps,
goto out;
}
ios->numdevs = ios->comps->numdevs;
ios->numdevs = ios->oc->numdevs;
for (i = 0; i < ti.max_devs; ++i) {
struct exofs_trunc_attr *size_attr = &size_attrs[i];
@ -815,7 +815,7 @@ int ore_truncate(struct ore_layout *layout, struct ore_components *comps,
size_attr->attr.val_ptr = &size_attr->newsize;
ORE_DBGMSG("trunc(0x%llx) obj_offset=0x%llx dev=%d\n",
_LLU(comps->comps->obj.id), _LLU(obj_size), i);
_LLU(oc->comps->obj.id), _LLU(obj_size), i);
ret = _truncate_mirrors(ios, i * ios->layout->mirrors_p1,
&size_attr->attr);
if (unlikely(ret))

58
fs/exofs/super.c
View File

@ -266,7 +266,7 @@ static int __sbi_read_stats(struct exofs_sb_info *sbi)
struct ore_io_state *ios;
int ret;
ret = ore_get_io_state(&sbi->layout, &sbi->comps, &ios);
ret = ore_get_io_state(&sbi->layout, &sbi->oc, &ios);
if (unlikely(ret)) {
EXOFS_ERR("%s: ore_get_io_state failed.\n", __func__);
return ret;
@ -321,7 +321,7 @@ int exofs_sbi_write_stats(struct exofs_sb_info *sbi)
struct ore_io_state *ios;
int ret;
ret = ore_get_io_state(&sbi->layout, &sbi->comps, &ios);
ret = ore_get_io_state(&sbi->layout, &sbi->oc, &ios);
if (unlikely(ret)) {
EXOFS_ERR("%s: ore_get_io_state failed.\n", __func__);
return ret;
@ -360,7 +360,7 @@ static int exofs_sync_fs(struct super_block *sb, int wait)
struct exofs_sb_info *sbi;
struct exofs_fscb *fscb;
struct ore_comp one_comp;
struct ore_components comps;
struct ore_components oc;
struct ore_io_state *ios;
int ret = -ENOMEM;
@ -378,9 +378,9 @@ static int exofs_sync_fs(struct super_block *sb, int wait)
* the writeable info is set in exofs_sbi_write_stats() above.
*/
exofs_init_comps(&comps, &one_comp, sbi, EXOFS_SUPER_ID);
exofs_init_comps(&oc, &one_comp, sbi, EXOFS_SUPER_ID);
ret = ore_get_io_state(&sbi->layout, &comps, &ios);
ret = ore_get_io_state(&sbi->layout, &oc, &ios);
if (unlikely(ret))
goto out;
@ -431,17 +431,17 @@ static void _exofs_print_device(const char *msg, const char *dev_path,
static void exofs_free_sbi(struct exofs_sb_info *sbi)
{
while (sbi->comps.numdevs) {
int i = --sbi->comps.numdevs;
struct osd_dev *od = sbi->comps.ods[i];
while (sbi->oc.numdevs) {
int i = --sbi->oc.numdevs;
struct osd_dev *od = sbi->oc.ods[i];
if (od) {
sbi->comps.ods[i] = NULL;
sbi->oc.ods[i] = NULL;
osduld_put_device(od);
}
}
if (sbi->comps.ods != sbi->_min_one_dev)
kfree(sbi->comps.ods);
if (sbi->oc.ods != sbi->_min_one_dev)
kfree(sbi->oc.ods);
kfree(sbi);
}
@ -468,7 +468,7 @@ static void exofs_put_super(struct super_block *sb)
msecs_to_jiffies(100));
}
_exofs_print_device("Unmounting", NULL, sbi->comps.ods[0],
_exofs_print_device("Unmounting", NULL, sbi->oc.ods[0],
sbi->one_comp.obj.partition);
bdi_destroy(&sbi->bdi);
@ -623,7 +623,7 @@ static int exofs_read_lookup_dev_table(struct exofs_sb_info *sbi,
return -ENOMEM;
}
sbi->comps.numdevs = 0;
sbi->oc.numdevs = 0;
comp.obj.partition = sbi->one_comp.obj.partition;
comp.obj.id = EXOFS_DEVTABLE_ID;
@ -648,13 +648,13 @@ static int exofs_read_lookup_dev_table(struct exofs_sb_info *sbi,
goto out;
if (likely(numdevs > 1)) {
unsigned size = numdevs * sizeof(sbi->comps.ods[0]);
unsigned size = numdevs * sizeof(sbi->oc.ods[0]);
/* Twice bigger table: See exofs_init_comps() and below
* comment
*/
sbi->comps.ods = kzalloc(size + size - 1, GFP_KERNEL);
if (unlikely(!sbi->comps.ods)) {
sbi->oc.ods = kzalloc(size + size - 1, GFP_KERNEL);
if (unlikely(!sbi->oc.ods)) {
EXOFS_ERR("ERROR: faild allocating Device array[%d]\n",
numdevs);
ret = -ENOMEM;
@ -681,8 +681,8 @@ static int exofs_read_lookup_dev_table(struct exofs_sb_info *sbi,
* line. We always keep them in device-table order.
*/
if (fscb_od && osduld_device_same(fscb_od, &odi)) {
sbi->comps.ods[i] = fscb_od;
++sbi->comps.numdevs;
sbi->oc.ods[i] = fscb_od;
++sbi->oc.numdevs;
fscb_od = NULL;
continue;
}
@ -695,8 +695,8 @@ static int exofs_read_lookup_dev_table(struct exofs_sb_info *sbi,
goto out;
}
sbi->comps.ods[i] = od;
++sbi->comps.numdevs;
sbi->oc.ods[i] = od;
++sbi->oc.numdevs;
/* Read the fscb of the other devices to make sure the FS
* partition is there.
@ -719,7 +719,7 @@ static int exofs_read_lookup_dev_table(struct exofs_sb_info *sbi,
out:
kfree(dt);
if (likely(!ret)) {
unsigned numdevs = sbi->comps.numdevs;
unsigned numdevs = sbi->oc.numdevs;
if (unlikely(fscb_od)) {
EXOFS_ERR("ERROR: Bad device-table container device not present\n");
@ -732,7 +732,7 @@ out:
* starting at this device. See exofs_init_comps()
*/
for (i = 0; i < numdevs - 1; ++i)
sbi->comps.ods[i + numdevs] = sbi->comps.ods[i];
sbi->oc.ods[i + numdevs] = sbi->oc.ods[i];
}
return ret;
}
@ -783,10 +783,10 @@ static int exofs_fill_super(struct super_block *sb, void *data, int silent)
sbi->one_comp.obj.partition = opts->pid;
sbi->one_comp.obj.id = 0;
exofs_make_credential(sbi->one_comp.cred, &sbi->one_comp.obj);
sbi->comps.numdevs = 1;
sbi->comps.single_comp = EC_SINGLE_COMP;
sbi->comps.comps = &sbi->one_comp;
sbi->comps.ods = sbi->_min_one_dev;
sbi->oc.numdevs = 1;
sbi->oc.single_comp = EC_SINGLE_COMP;
sbi->oc.comps = &sbi->one_comp;
sbi->oc.ods = sbi->_min_one_dev;
/* fill in some other data by hand */
memset(sb->s_id, 0, sizeof(sb->s_id));
@ -835,7 +835,7 @@ static int exofs_fill_super(struct super_block *sb, void *data, int silent)
if (unlikely(ret))
goto free_sbi;
} else {
sbi->comps.ods[0] = od;
sbi->oc.ods[0] = od;
}
__sbi_read_stats(sbi);
@ -875,7 +875,7 @@ static int exofs_fill_super(struct super_block *sb, void *data, int silent)
goto free_sbi;
}
_exofs_print_device("Mounting", opts->dev_name, sbi->comps.ods[0],
_exofs_print_device("Mounting", opts->dev_name, sbi->oc.ods[0],
sbi->one_comp.obj.partition);
return 0;
@ -924,7 +924,7 @@ static int exofs_statfs(struct dentry *dentry, struct kstatfs *buf)
uint64_t used = ULLONG_MAX;
int ret;
ret = ore_get_io_state(&sbi->layout, &sbi->comps, &ios);
ret = ore_get_io_state(&sbi->layout, &sbi->oc, &ios);
if (ret) {
EXOFS_DBGMSG("ore_get_io_state failed.\n");
return ret;

2
include/scsi/osd_ore.h
View File

@ -64,7 +64,7 @@ struct ore_io_state {
ore_io_done_fn done;
struct ore_layout *layout;
struct ore_components *comps;
struct ore_components *oc;
/* Global read/write IO*/
loff_t offset;