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Previous change broke read after seek. Reverted that change and added temporary fix in flush_cache to make sure we are on correct sector before writing to disk.

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@3448 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Hardeep Sidhu 2003-03-15 21:13:35 +00:00
parent 001226c7e1
commit e5e9bc3e65
1 changed files with 7 additions and 8 deletions
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15
firmware/common/file.c
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@ -337,9 +337,15 @@ static int flush_cache(int fd)
{ {
int rc; int rc;
struct filedesc* file = &openfiles[fd]; struct filedesc* file = &openfiles[fd];
int sector = file->fileoffset / SECTOR_SIZE;
DEBUGF("Flushing dirty sector cache\n"); DEBUGF("Flushing dirty sector cache\n");
/* make sure we are on correct sector */
rc = fat_seek(&(file->fatfile), sector);
if ( rc < 0 )
return rc * 10 - 3;
rc = fat_readwrite(&(file->fatfile), 1, rc = fat_readwrite(&(file->fatfile), 1,
file->cache, true ); file->cache, true );
if ( rc < 0 ) if ( rc < 0 )
@ -573,13 +579,6 @@ int lseek(int fd, int offset, int whence)
return rc * 10 - 6; return rc * 10 - 6;
} }
file->cacheoffset = sectoroffset; file->cacheoffset = sectoroffset;
/* seek back to current sector */
rc = fat_seek(&(file->fatfile), newsector);
if ( rc < 0 ) {
errno = EIO;
return rc * 10 - 7;
}
} }
else else
file->cacheoffset = -1; file->cacheoffset = -1;