diff options
Diffstat (limited to 'pkg/sentry/fs/tmpfs')
| -rw-r--r-- | pkg/sentry/fs/tmpfs/inode_file.go | 16 |
1 files changed, 2 insertions, 14 deletions
diff --git a/pkg/sentry/fs/tmpfs/inode_file.go b/pkg/sentry/fs/tmpfs/inode_file.go index 5648ff8f4..13d06684d 100644 --- a/pkg/sentry/fs/tmpfs/inode_file.go +++ b/pkg/sentry/fs/tmpfs/inode_file.go @@ -39,20 +39,8 @@ var ( ) // fileInodeOperations implements fs.InodeOperations for a regular tmpfs file. -// These files are backed by FrameRegions allocated from a platform.Memory, -// and may be directly mapped. -// -// The tmpfs file memory is backed by FrameRegions, each of which is reference -// counted. frames maintains a single reference on each of the FrameRegions. -// Since these contain the contents of the file, the reference may only be -// decremented once this file is both deleted and all handles to the file have -// been closed. -// -// Mappable users may also call IncRefOn/DecRefOn, generally to indicate that -// they plan to use MapInto to map the file into an AddressSpace. These calls -// include an InvalidatorRegion associated with that reference. When the -// referenced portion of the file is removed (with Truncate), the associated -// InvalidatorRegion is invalidated. +// These files are backed by pages allocated from a platform.Memory, and may be +// directly mapped. // // +stateify savable type fileInodeOperations struct { |