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author | Al Viro <viro@zeniv.linux.org.uk> | 2011-01-12 16:36:09 -0500 |
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committer | Al Viro <viro@zeniv.linux.org.uk> | 2011-01-12 20:02:48 -0500 |
commit | 31a203df9c109480fc6d48ba0a68763e89199acb (patch) | |
tree | 6f7f1f839a7d3e3e9010baf10468a33c3ad675ba /fs/coda/coda_fs_i.h | |
parent | 9501e4c48e1561443e1a16c2c9917ec6c63118a4 (diff) | |
download | lwn-31a203df9c109480fc6d48ba0a68763e89199acb.tar.gz lwn-31a203df9c109480fc6d48ba0a68763e89199acb.zip |
take coda-private headers out of include/linux
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs/coda/coda_fs_i.h')
-rw-r--r-- | fs/coda/coda_fs_i.h | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/fs/coda/coda_fs_i.h b/fs/coda/coda_fs_i.h new file mode 100644 index 000000000000..e35071b1de0e --- /dev/null +++ b/fs/coda/coda_fs_i.h @@ -0,0 +1,58 @@ +/* + * coda_fs_i.h + * + * Copyright (C) 1998 Carnegie Mellon University + * + */ + +#ifndef _LINUX_CODA_FS_I +#define _LINUX_CODA_FS_I + +#include <linux/types.h> +#include <linux/list.h> +#include <linux/spinlock.h> +#include <linux/coda.h> + +/* + * coda fs inode data + * c_lock protects accesses to c_flags, c_mapcount, c_cached_epoch, c_uid and + * c_cached_perm. + * vfs_inode is set only when the inode is created and never changes. + * c_fid is set when the inode is created and should be considered immutable. + */ +struct coda_inode_info { + struct CodaFid c_fid; /* Coda identifier */ + u_short c_flags; /* flags (see below) */ + unsigned int c_mapcount; /* nr of times this inode is mapped */ + unsigned int c_cached_epoch; /* epoch for cached permissions */ + vuid_t c_uid; /* fsuid for cached permissions */ + unsigned int c_cached_perm; /* cached access permissions */ + spinlock_t c_lock; + struct inode vfs_inode; +}; + +/* + * coda fs file private data + */ +#define CODA_MAGIC 0xC0DAC0DA +struct coda_file_info { + int cfi_magic; /* magic number */ + struct file *cfi_container; /* container file for this cnode */ + unsigned int cfi_mapcount; /* nr of times this file is mapped */ +}; + +#define CODA_FTOC(file) ((struct coda_file_info *)((file)->private_data)) + +/* flags */ +#define C_VATTR 0x1 /* Validity of vattr in inode */ +#define C_FLUSH 0x2 /* used after a flush */ +#define C_DYING 0x4 /* from venus (which died) */ +#define C_PURGE 0x8 + +int coda_cnode_make(struct inode **, struct CodaFid *, struct super_block *); +struct inode *coda_iget(struct super_block *sb, struct CodaFid *fid, struct coda_vattr *attr); +int coda_cnode_makectl(struct inode **inode, struct super_block *sb); +struct inode *coda_fid_to_inode(struct CodaFid *fid, struct super_block *sb); +void coda_replace_fid(struct inode *, struct CodaFid *, struct CodaFid *); + +#endif |