#include <linux/fs.h>
#include <linux/time.h>
#include <linux/backing-dev.h>
-#include <linux/pnfs_osd_xdr.h>
+#include <scsi/osd_ore.h>
+
#include "common.h"
#define EXOFS_ERR(fmt, a...) printk(KERN_ERR "exofs: " fmt, ##a)
/* u64 has problems with printk this will cast it to unsigned long long */
#define _LLU(x) (unsigned long long)(x)
-struct exofs_comp {
- struct osd_obj_id obj;
- u8 cred[OSD_CAP_LEN];
-};
-
-struct exofs_layout {
- /* Our way of looking at the data_map */
- unsigned stripe_unit;
- unsigned mirrors_p1;
-
- unsigned group_width;
- u64 group_depth;
- unsigned group_count;
-};
-
-struct exofs_components {
- unsigned numdevs; /* Num of devices in array */
- /* If @single_comp == EC_SINGLE_COMP, @comps points to a single
- * component. else there are @numdevs components
- */
- enum EC_COMP_USAGE {
- EC_SINGLE_COMP = 0, EC_MULTPLE_COMPS = 0xffffffff
- } single_comp;
- struct exofs_comp *comps;
- struct osd_dev **ods; /* osd_dev array */
-};
-
/*
* our extension to the in-memory superblock
*/
struct pnfs_osd_data_map data_map; /* Default raid to use
* FIXME: Needed ?
*/
- struct exofs_layout layout; /* Default files layout */
- struct exofs_comp one_comp; /* id & cred of partition id=0*/
- struct exofs_components comps; /* comps for the partition */
+ struct ore_layout layout; /* Default files layout */
+ struct ore_comp one_comp; /* id & cred of partition id=0*/
+ struct ore_components oc; /* comps for the partition */
struct osd_dev *_min_one_dev[1]; /* Place holder for one dev */
};
uint32_t i_data[EXOFS_IDATA];/*short symlink names and device #s*/
uint32_t i_dir_start_lookup; /* which page to start lookup */
uint64_t i_commit_size; /* the object's written length */
- struct exofs_comp one_comp; /* same component for all devices */
- struct exofs_components comps; /* inode view of the device table */
+ struct ore_comp one_comp; /* same component for all devices */
+ struct ore_components oc; /* inode view of the device table */
};
static inline osd_id exofs_oi_objno(struct exofs_i_info *oi)
return oi->vfs_inode.i_ino + EXOFS_OBJ_OFF;
}
-struct exofs_io_state;
-typedef void (*exofs_io_done_fn)(struct exofs_io_state *ios, void *private);
-
-struct exofs_io_state {
- struct kref kref;
-
- void *private;
- exofs_io_done_fn done;
-
- struct exofs_layout *layout;
- struct exofs_components *comps;
-
- /* Global read/write IO*/
- loff_t offset;
- unsigned long length;
- void *kern_buff;
-
- struct page **pages;
- unsigned nr_pages;
- unsigned pgbase;
- unsigned pages_consumed;
-
- /* Attributes */
- unsigned in_attr_len;
- struct osd_attr *in_attr;
- unsigned out_attr_len;
- struct osd_attr *out_attr;
-
- bool reading;
-
- /* Variable array of size numdevs */
- unsigned numdevs;
- struct exofs_per_dev_state {
- struct osd_request *or;
- struct bio *bio;
- loff_t offset;
- unsigned length;
- unsigned dev;
- } per_dev[];
-};
-
-static inline unsigned exofs_io_state_size(unsigned numdevs)
-{
- return sizeof(struct exofs_io_state) +
- sizeof(struct exofs_per_dev_state) * numdevs;
-}
-
/*
* our inode flags
*/
* function declarations *
*************************/
-/* ios.c */
-int exofs_get_rw_state(struct exofs_layout *layout,
- struct exofs_components *comps,
- bool is_reading, u64 offset, u64 length,
- struct exofs_io_state **ios);
-int exofs_get_io_state(struct exofs_layout *layout,
- struct exofs_components *comps,
- struct exofs_io_state **ios);
-void exofs_put_io_state(struct exofs_io_state *ios);
-
-int exofs_check_io(struct exofs_io_state *ios, u64 *resid);
-
-int exofs_sbi_create(struct exofs_io_state *ios);
-int exofs_sbi_remove(struct exofs_io_state *ios);
-int exofs_sbi_write(struct exofs_io_state *ios);
-int exofs_sbi_read(struct exofs_io_state *ios);
-int exofs_truncate(struct exofs_layout *layout, struct exofs_components *comps,
- u64 size);
-
-int extract_attr_from_ios(struct exofs_io_state *ios, struct osd_attr *attr);
-extern const struct osd_attr g_attr_logical_length;
-
/* inode.c */
-unsigned exofs_max_io_pages(struct exofs_layout *layout,
+unsigned exofs_max_io_pages(struct ore_layout *layout,
unsigned expected_pages);
int exofs_setattr(struct dentry *, struct iattr *);
int exofs_write_begin(struct file *file, struct address_space *mapping,
extern const struct inode_operations exofs_symlink_inode_operations;
extern const struct inode_operations exofs_fast_symlink_inode_operations;
-/* exofs_init_comps will initialize an exofs_components device array
- * pointing to a single exofs_comp struct, and a round-robin view
+/* exofs_init_comps will initialize an ore_components device array
+ * pointing to a single ore_comp struct, and a round-robin view
* of the device table.
* The first device of each inode is the [inode->ino % num_devices]
* and the rest of the devices sequentially following where the
* bigger and that the device table repeats twice.
* See: exofs_read_lookup_dev_table()
*/
-static inline void exofs_init_comps(struct exofs_components *comps,
- struct exofs_comp *one_comp,
+static inline void exofs_init_comps(struct ore_components *oc,
+ struct ore_comp *one_comp,
struct exofs_sb_info *sbi, osd_id oid)
{
unsigned dev_mod = (unsigned)oid, first_dev;
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
git.openpandora.org / pandora-kernel.git / blobdiff