[PATCH v4 1/2] nfsd: Drop dprintk in blocklayout xdr functions

From: Sergey Bashirov
Date: Sat Jun 21 2025 - 12:54:43 EST


Minor clean up. Instead of dprintk there are appropriate error codes.

Signed-off-by: Sergey Bashirov <sergeybashirov@xxxxxxxxx>
---
fs/nfsd/blocklayoutxdr.c | 40 +++++++---------------------------------
1 file changed, 7 insertions(+), 33 deletions(-)

diff --git a/fs/nfsd/blocklayoutxdr.c b/fs/nfsd/blocklayoutxdr.c
index 669ff8e6e966..bcf21fde9120 100644
--- a/fs/nfsd/blocklayoutxdr.c
+++ b/fs/nfsd/blocklayoutxdr.c
@@ -139,28 +139,19 @@ nfsd4_block_decode_layoutupdate(__be32 *p, u32 len, struct iomap **iomapp,
struct iomap *iomaps;
u32 nr_iomaps, i;

- if (len < sizeof(u32)) {
- dprintk("%s: extent array too small: %u\n", __func__, len);
+ if (len < sizeof(u32))
return nfserr_bad_xdr;
- }
len -= sizeof(u32);
- if (len % PNFS_BLOCK_EXTENT_SIZE) {
- dprintk("%s: extent array invalid: %u\n", __func__, len);
+ if (len % PNFS_BLOCK_EXTENT_SIZE)
return nfserr_bad_xdr;
- }

nr_iomaps = be32_to_cpup(p++);
- if (nr_iomaps != len / PNFS_BLOCK_EXTENT_SIZE) {
- dprintk("%s: extent array size mismatch: %u/%u\n",
- __func__, len, nr_iomaps);
+ if (nr_iomaps != len / PNFS_BLOCK_EXTENT_SIZE)
return nfserr_bad_xdr;
- }

iomaps = kcalloc(nr_iomaps, sizeof(*iomaps), GFP_KERNEL);
- if (!iomaps) {
- dprintk("%s: failed to allocate extent array\n", __func__);
+ if (!iomaps)
return nfserr_delay;
- }

for (i = 0; i < nr_iomaps; i++) {
struct pnfs_block_extent bex;
@@ -170,26 +161,18 @@ nfsd4_block_decode_layoutupdate(__be32 *p, u32 len, struct iomap **iomapp,

p = xdr_decode_hyper(p, &bex.foff);
if (bex.foff & (block_size - 1)) {
- dprintk("%s: unaligned offset 0x%llx\n",
- __func__, bex.foff);
goto fail;
}
p = xdr_decode_hyper(p, &bex.len);
if (bex.len & (block_size - 1)) {
- dprintk("%s: unaligned length 0x%llx\n",
- __func__, bex.foff);
goto fail;
}
p = xdr_decode_hyper(p, &bex.soff);
if (bex.soff & (block_size - 1)) {
- dprintk("%s: unaligned disk offset 0x%llx\n",
- __func__, bex.soff);
goto fail;
}
bex.es = be32_to_cpup(p++);
if (bex.es != PNFS_BLOCK_READWRITE_DATA) {
- dprintk("%s: incorrect extent state %d\n",
- __func__, bex.es);
goto fail;
}

@@ -231,38 +214,29 @@ nfsd4_scsi_decode_layoutupdate(__be32 *p, u32 len, struct iomap **iomapp,
struct iomap *iomaps;
u32 nr_iomaps, expected, i;

- if (len < sizeof(u32)) {
- dprintk("%s: extent array too small: %u\n", __func__, len);
+ if (len < sizeof(u32))
return nfserr_bad_xdr;
- }

nr_iomaps = be32_to_cpup(p++);
expected = sizeof(__be32) + nr_iomaps * PNFS_SCSI_RANGE_SIZE;
- if (len != expected) {
- dprintk("%s: extent array size mismatch: %u/%u\n",
- __func__, len, expected);
+ if (len != expected)
return nfserr_bad_xdr;
- }

iomaps = kcalloc(nr_iomaps, sizeof(*iomaps), GFP_KERNEL);
- if (!iomaps) {
- dprintk("%s: failed to allocate extent array\n", __func__);
+ if (!iomaps)
return nfserr_delay;
- }

for (i = 0; i < nr_iomaps; i++) {
u64 val;

p = xdr_decode_hyper(p, &val);
if (val & (block_size - 1)) {
- dprintk("%s: unaligned offset 0x%llx\n", __func__, val);
goto fail;
}
iomaps[i].offset = val;

p = xdr_decode_hyper(p, &val);
if (val & (block_size - 1)) {
- dprintk("%s: unaligned length 0x%llx\n", __func__, val);
goto fail;
}
iomaps[i].length = val;
--
2.43.0