mirror of
https://github.com/ceph/ceph
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dc48f25847
git-svn-id: https://ceph.svn.sf.net/svnroot/ceph@2100 29311d96-e01e-0410-9327-a35deaab8ce9
90 lines
1.8 KiB
C
90 lines
1.8 KiB
C
#ifndef _FS_CEPH_CEPH_H
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#define _FS_CEPH_CEPH_H
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#include <linux/ceph_fs.h>
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#include <linux/fs.h>
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#include "client.h"
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/*
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* mount options
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*/
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#define CEPH_MOUNT_FSID 1
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#define CEPH_MOUNT_NOSHARE 2 /* don't share client with other mounts */
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struct ceph_mount_args {
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int mntflags;
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int flags;
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struct ceph_fsid fsid;
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int num_mon;
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struct ceph_entity_addr mon_addr[5];
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int mon_port;
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char path[100];
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};
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/*
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* CEPH per-mount superblock info
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*/
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struct ceph_super_info {
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struct ceph_mount_args mount_args;
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struct ceph_client *sb_client;
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/* FIXME: ptr to inode of my relative offset into the filesystem,
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so we can appropriately mangle/adjust path names in requests, etc...? */
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};
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static inline struct ceph_super_info *ceph_sbinfo(struct super_block *sb)
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{
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return sb->s_fs_info;
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}
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/*
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* CEPH file system in-core inode info
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*/
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struct ceph_inode_cap {
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int mds;
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int caps;
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__u64 seq;
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int flags; /* stale, etc.? */
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};
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struct ceph_inode_frag_map_item {
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__u32 frag;
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__u32 mds;
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};
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struct ceph_inode_info {
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struct ceph_file_layout i_layout;
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int i_dir_auth;
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struct ceph_frag_tree_head *i_fragtree, i_fragtree_static;
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int i_frag_map_nr;
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struct ceph_inode_frag_map_item *i_frag_map;
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int i_nr_caps;
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struct ceph_inode_cap *i_caps;
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struct ceph_inode_cap i_caps_static[2];
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off_t i_wr_size;
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struct ceph_timeval i_wr_mtime;
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struct inode vfs_inode;
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};
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static inline struct ceph_inode_info *CEPH_I(struct inode *inode)
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{
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return list_entry(inode, struct ceph_inode_info, vfs_inode);
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}
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/* file.c */
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extern const struct inode_operations ceph_file_inops;
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extern const struct file_operations ceph_file_operations;
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extern const struct address_space_operations ceph_aops;
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/* dir.c */
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extern const struct inode_operations ceph_dir_inops;
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extern const struct file_operations ceph_dir_operations;
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#endif /* _FS_CEPH_CEPH_H */
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