diff options
Diffstat (limited to 'fs/exofs/exofs.h')
| -rw-r--r-- | fs/exofs/exofs.h | 119 |
1 files changed, 12 insertions, 107 deletions
diff --git a/fs/exofs/exofs.h b/fs/exofs/exofs.h index 39ad501..f4e442e 100644 --- a/fs/exofs/exofs.h +++ b/fs/exofs/exofs.h @@ -36,7 +36,8 @@ #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) @@ -52,33 +53,6 @@ /* 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 */ @@ -95,9 +69,9 @@ struct exofs_sb_info { 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 comps; /* comps for the partition */ struct osd_dev *_min_one_dev[1]; /* Place holder for one dev */ }; @@ -111,8 +85,8 @@ struct exofs_i_info { 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 comps; /* inode view of the device table */ }; static inline osd_id exofs_oi_objno(struct exofs_i_info *oi) @@ -120,53 +94,6 @@ 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 */ @@ -219,30 +146,8 @@ static inline struct exofs_i_info *exofs_i(struct inode *inode) * 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, @@ -292,8 +197,8 @@ extern const struct inode_operations exofs_special_inode_operations; 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 @@ -302,8 +207,8 @@ 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 exofs_components *comps, - struct exofs_comp *one_comp, +static inline void exofs_init_comps(struct ore_components *comps, + struct ore_comp *one_comp, struct exofs_sb_info *sbi, osd_id oid) { unsigned dev_mod = (unsigned)oid, first_dev; |
