diff options
Diffstat (limited to 'pkg/sentry/fsimpl/fuse/read_write.go')
| -rw-r--r-- | pkg/sentry/fsimpl/fuse/read_write.go | 20 |
1 files changed, 10 insertions, 10 deletions
diff --git a/pkg/sentry/fsimpl/fuse/read_write.go b/pkg/sentry/fsimpl/fuse/read_write.go index 23ce91849..66ea889f9 100644 --- a/pkg/sentry/fsimpl/fuse/read_write.go +++ b/pkg/sentry/fsimpl/fuse/read_write.go @@ -20,11 +20,11 @@ import ( "gvisor.dev/gvisor/pkg/abi/linux" "gvisor.dev/gvisor/pkg/context" + "gvisor.dev/gvisor/pkg/hostarch" "gvisor.dev/gvisor/pkg/log" "gvisor.dev/gvisor/pkg/sentry/kernel" "gvisor.dev/gvisor/pkg/sentry/kernel/auth" "gvisor.dev/gvisor/pkg/syserror" - "gvisor.dev/gvisor/pkg/usermem" ) // ReadInPages sends FUSE_READ requests for the size after round it up to @@ -43,10 +43,10 @@ func (fs *filesystem) ReadInPages(ctx context.Context, fd *regularFileFD, off ui } // Round up to a multiple of page size. - readSize, _ := usermem.PageRoundUp(uint64(size)) + readSize, _ := hostarch.PageRoundUp(uint64(size)) // One request cannnot exceed either maxRead or maxPages. - maxPages := fs.conn.maxRead >> usermem.PageShift + maxPages := fs.conn.maxRead >> hostarch.PageShift if maxPages > uint32(fs.conn.maxPages) { maxPages = uint32(fs.conn.maxPages) } @@ -54,9 +54,9 @@ func (fs *filesystem) ReadInPages(ctx context.Context, fd *regularFileFD, off ui var outs [][]byte var sizeRead uint32 - // readSize is a multiple of usermem.PageSize. + // readSize is a multiple of hostarch.PageSize. // Always request bytes as a multiple of pages. - pagesRead, pagesToRead := uint32(0), uint32(readSize>>usermem.PageShift) + pagesRead, pagesToRead := uint32(0), uint32(readSize>>hostarch.PageShift) // Reuse the same struct for unmarshalling to avoid unnecessary memory allocation. in := linux.FUSEReadIn{ @@ -76,8 +76,8 @@ func (fs *filesystem) ReadInPages(ctx context.Context, fd *regularFileFD, off ui pagesCanRead = maxPages } - in.Offset = off + (uint64(pagesRead) << usermem.PageShift) - in.Size = pagesCanRead << usermem.PageShift + in.Offset = off + (uint64(pagesRead) << hostarch.PageShift) + in.Size = pagesCanRead << hostarch.PageShift // TODO(gvisor.dev/issue/3247): support async read. @@ -159,7 +159,7 @@ func (fs *filesystem) Write(ctx context.Context, fd *regularFileFD, off uint64, } // One request cannnot exceed either maxWrite or maxPages. - maxWrite := uint32(fs.conn.maxPages) << usermem.PageShift + maxWrite := uint32(fs.conn.maxPages) << hostarch.PageShift if maxWrite > fs.conn.maxWrite { maxWrite = fs.conn.maxWrite } @@ -188,8 +188,8 @@ func (fs *filesystem) Write(ctx context.Context, fd *regularFileFD, off uint64, // Limit the write size to one page. // Note that the bigWrites flag is obsolete, // latest libfuse always sets it on. - if !fs.conn.bigWrites && toWrite > usermem.PageSize { - toWrite = usermem.PageSize + if !fs.conn.bigWrites && toWrite > hostarch.PageSize { + toWrite = hostarch.PageSize } // Limit the write size to maxWrite. |