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fs: fat: Reduce default max clustersize 64KiB from malloc pool

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Release cluster block immediately when no longer use would help to reduce
64KiB memory allocated to the memory pool.

Signed-off-by: Tien Fong Chee <tien.fong.chee@intel.com>
This commit is contained in:
Tien Fong Chee 2019-02-11 14:56:20 +08:00 committed by Tom Rini
parent 8537874a65
commit e48485f5e4
1 changed files with 9 additions and 1 deletions
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10
fs/fat/fat.c
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@ -1148,7 +1148,15 @@ int file_fat_read_at(const char *filename, loff_t pos, void *buffer,
goto out_free_both;
debug("reading %s at pos %llu\n", filename, pos);
ret = get_contents(&fsdata, itr->dent, pos, buffer, maxsize, actread);
/* For saving default max clustersize memory allocated to malloc pool */
dir_entry *dentptr = itr->dent;
free(itr);
itr = NULL;
ret = get_contents(&fsdata, dentptr, pos, buffer, maxsize, actread);
out_free_both:
free(fsdata.fatbuf);