/* * 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) */ unsignedint c_mapcount; /* nr of times this inode is mapped */ unsignedint c_cached_epoch; /* epoch for cached permissions */
kuid_t c_uid; /* fsuid for cached permissions */ unsignedint 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 */ unsignedint cfi_mapcount; /* nr of times this file is mapped */ bool cfi_access_intent; /* is access intent supported */
};
/* 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
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