nathan/Chromebook-Device-Nyan-NVIDIA-Tegra-K1-T124-Upstream-Linux-3.10-LTS-Kernel
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Updated from Linux LTS 3.10.25 to 3.10.26

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Nathan
2025-04-09 20:15:34 -05:00
parent 92cb237c3b
commit c205d496ee
118 changed files with 902 additions and 407 deletions
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47
fs/ceph/file.c
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@@ -313,9 +313,9 @@ static int striped_read(struct inode *inode,
{
struct ceph_fs_client *fsc = ceph_inode_to_client(inode);
struct ceph_inode_info *ci = ceph_inode(inode);
u64 pos, this_len;
u64 pos, this_len, left;
int io_align, page_align;
int left, pages_left;
int pages_left;
int read;
struct page **page_pos;
int ret;
@@ -346,47 +346,40 @@ more:
ret = 0;
hit_stripe = this_len < left;
was_short = ret >= 0 && ret < this_len;
dout("striped_read %llu~%u (read %u) got %d%s%s\n", pos, left, read,
dout("striped_read %llu~%llu (read %u) got %d%s%s\n", pos, left, read,
ret, hit_stripe ? " HITSTRIPE" : "", was_short ? " SHORT" : "");
if (ret > 0) {
int didpages = (page_align + ret) >> PAGE_CACHE_SHIFT;
if (read < pos - off) {
dout(" zero gap %llu to %llu\n", off + read, pos);
ceph_zero_page_vector_range(page_align + read,
pos - off - read, pages);
if (ret >= 0) {
int didpages;
if (was_short && (pos + ret < inode->i_size)) {
u64 tmp = min(this_len - ret,
inode->i_size - pos - ret);
dout(" zero gap %llu to %llu\n",
pos + ret, pos + ret + tmp);
ceph_zero_page_vector_range(page_align + read + ret,
tmp, pages);
ret += tmp;
}
didpages = (page_align + ret) >> PAGE_CACHE_SHIFT;
pos += ret;
read = pos - off;
left -= ret;
page_pos += didpages;
pages_left -= didpages;
/* hit stripe? */
if (left && hit_stripe)
/* hit stripe and need continue*/
if (left && hit_stripe && pos < inode->i_size)
goto more;
}
if (was_short) {
if (read > 0) {
ret = read;
/* did we bounce off eof? */
if (pos + left > inode->i_size)
*checkeof = 1;
/* zero trailing bytes (inside i_size) */
if (left > 0 && pos < inode->i_size) {
if (pos + left > inode->i_size)
left = inode->i_size - pos;
dout("zero tail %d\n", left);
ceph_zero_page_vector_range(page_align + read, left,
pages);
read += left;
}
}
if (ret >= 0)
ret = read;
dout("striped_read returns %d\n", ret);
return ret;
}
@@ -618,6 +611,8 @@ out:
if (check_caps)
ceph_check_caps(ceph_inode(inode), CHECK_CAPS_AUTHONLY,
NULL);
} else if (ret != -EOLDSNAPC && written > 0) {
ret = written;
}
return ret;
}