[U-Boot] ext2 file system performance

[jonsmirl at gmail.com]

Much better 3.5 seconds versus the old 61 seconds.

It is still slower than FAT which can load in less than one second.
Can those 40 sequential reads starting at 1034 be combined?

Read trace from EXT2.....
EA3131-NXP # ext2load mmc 0:3 0x30000000 uImage
Loading file "uImage" from mmc device 0:3 (xxa3)
 <2, 0, 204>
 <4, 0, 32>
 <524, 128, 128>
 <1034, 0, 8>
 <1034, 8, 1>
 <1034, 12, 8>
 <1034, 20, 2>
 <1034, 24, 8>
 <1034, 32, 10>
 <1034, 44, 8>
 <1034, 52, 3>
 <1034, 56, 8>
 <1034, 64, 3>
 <1034, 68, 8>
 <1034, 76, 3>
 <1034, 80, 8>
 <1034, 88, 3>
 <1034, 92, 8>
 <1034, 100, 7>
 <1034, 108, 8>
 <1034, 116, 3>
 <1034, 120, 8>
 <1034, 128, 4>
 <1034, 132, 8>
 <1034, 140, 4>
 <1034, 144, 8>
 <1034, 152, 3>
 <1034, 156, 8>
 <1034, 164, 4>
 <1034, 168, 8>
 <1034, 176, 3>
 <1034, 180, 8>
 <1034, 188, 3>
 <1034, 192, 8>
 <1034, 200, 3>
 <1034, 204, 8>
 <1034, 212, 3>
 <1034, 216, 8>
 <1034, 224, 3>
 <1034, 228, 8>
 <1034, 236, 6>
 <4, 0, 32>
 <527, 0, 128>
 <1062, 0, 1024>
 <1086, 0, 1024>
 <1064, 0, 11264>
 <1600, 0, 1024>
 <1602, 0, 1024>
 <1086, 0, 1024>
 <1088, 0, 262144>
 <1600, 0, 1024>
 <2116, 0, 1024>
 <1602, 0, 1024>
 <1604, 0, 262144>
 <2116, 0, 1024>
 <2630, 0, 1024>
 <2116, 0, 1024>
 <2118, 0, 262144>
 <2630, 0, 1024>
 <3144, 0, 1024>
 <2630, 0, 1024>
 <2632, 0, 262144>
 <3144, 0, 1024>
 <3658, 0, 1024>
 <3144, 0, 1024>
 <3146, 0, 262144>
 <3658, 0, 1024>
 <4172, 0, 1024>
 <3658, 0, 1024>
 <3660, 0, 262144>
 <4172, 0, 1024>
 <4686, 0, 1024>
 <4172, 0, 1024>
 <4174, 0, 262144>
 <4686, 0, 1024>
 <5200, 0, 1024>
 <4686, 0, 1024>
 <4688, 0, 262144>
 <5200, 0, 1024>
 <5202, 0, 66560>
2175848 bytes read
EA3131-NXP #


-- 
Jon Smirl
jonsmirl at gmail.com