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Restore dircache hookup in the database ramcache.

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Do a few other changes to dircache and file code flags to
accomodate its demands.

Change-Id: I4742a54e8cfbe4d8b9cffb75faaf920dd907cf8a
This commit is contained in:
Michael Sevakis 2017-01-18 04:39:35 -05:00
parent abd75a17d1
commit 7373cf518f
8 changed files with 626 additions and 497 deletions
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27
firmware/include/file_internal.h
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@ -136,8 +136,9 @@ enum fildes_and_obj_flags
FF_NOISO = 0x00200000, /* do not decode ISO filenames to UTF-8 */
FF_PROBE = 0x00400000, /* only test existence; don't open */
FF_CACHEONLY = 0x00800000, /* succeed only if in dircache */
FF_SELFINFO = 0x01000000, /* return info on self as well */
FF_MASK = 0x01ff0000,
FF_INFO = 0x01000000, /* return info on self */
FF_PARENTINFO = 0x02000000, /* return info on parent */
FF_MASK = 0x03ff0000,
};
/** Common data structures used throughout **/
@ -244,18 +245,16 @@ static inline void filestr_unlock(struct filestr_base *stream)
/* structure to return detailed information about what you opened */
struct path_component_info
{
const char *name; /* pointer to name within 'path' (OUT) */
size_t length; /* length of component within 'path' */
file_size_t filesize; /* size of the opened file (0 if dir) */
unsigned int attr; /* attributes of this component */
struct file_base_info *prefixp; /* base info to check as prefix
(IN if FF_CHECKPREFIX) */
union {
struct file_base_info parentinfo; /* parent directory base info of file
(if not FF_SELFINFO) */
struct file_base_info info; /* base info of file itself
(if FF_SELFINFO) */
};
const char *name; /* OUT: pointer to name within 'path' */
size_t length; /* OUT: length of component within 'path' */
file_size_t filesize; /* OUT: size of the opened file (0 if dir) */
unsigned int attr; /* OUT: attributes of this component */
struct file_base_info info; /* OUT: base info on file
(FF_INFO) */
struct file_base_info parentinfo; /* OUT: base parent directory info
(FF_PARENTINFO) */
struct file_base_info *prefixp; /* IN: base info to check as prefix
(FF_CHECKPREFIX) */
};
int open_stream_internal(const char *path, unsigned int callflags,