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fs: API changes enabling extra parameter to return size of type loff_t

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The sandbox/ext4/fat/generic fs commands do not gracefully deal with files
greater than 2GB. Negative values are returned in such cases.

To handle this, the fs functions have been modified to take an additional
parameter of type "* loff_t" which is then populated. The return value
of the fs functions are used only for error conditions.

Signed-off-by: Suriyan Ramasami <suriyan.r@gmail.com>
Acked-by: Simon Glass <sjg@chromium.org>
[trini: Update board/gdsys/p1022/controlcenterd-id.c,
drivers/fpga/zynqpl.c for changes]
Signed-off-by: Tom Rini <trini@ti.com>
This commit is contained in:
Suriyan Ramasami
2014-11-17 14:39:38 -08:00
committed by Tom Rini
parent 96b1046d1c
commit d455d8789d
11 changed files with 138 additions and 122 deletions
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10
drivers/fpga/zynqpl.c
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@@ -406,8 +406,8 @@ static int zynq_loadfs(xilinx_desc *desc, const void *buf, size_t bsize,
unsigned long ts; /* Timestamp */
u32 isr_status, swap;
u32 partialbit = 0;
u32 blocksize;
u32 pos = 0;
loff_t blocksize, actread;
loff_t pos = 0;
int fstype;
char *interface, *dev_part, *filename;
@@ -420,7 +420,7 @@ static int zynq_loadfs(xilinx_desc *desc, const void *buf, size_t bsize,
if (fs_set_blk_dev(interface, dev_part, fstype))
return FPGA_FAIL;
if (fs_read(filename, (u32) buf, pos, blocksize) < 0)
if (fs_read(filename, (u32) buf, pos, blocksize, &actread) < 0)
return FPGA_FAIL;
if (zynq_validate_bitstream(desc, buf, bsize, blocksize, &swap,
@@ -443,10 +443,10 @@ static int zynq_loadfs(xilinx_desc *desc, const void *buf, size_t bsize,
return FPGA_FAIL;
if (bsize > blocksize) {
if (fs_read(filename, (u32) buf, pos, blocksize) < 0)
if (fs_read(filename, (u32) buf, pos, blocksize, &actread) < 0)
return FPGA_FAIL;
} else {
if (fs_read(filename, (u32) buf, pos, bsize) < 0)
if (fs_read(filename, (u32) buf, pos, bsize, &actread) < 0)
return FPGA_FAIL;
}
} while (bsize > blocksize);