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Kernel+LibC: Add support for mount flags

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At the moment, the actual flags are ignored, but we correctly propagate them all
the way from the original mount() syscall to each custody that resides on the
mounted FS.
This commit is contained in:
Sergey Bugaev
2020-01-11 18:25:26 +03:00
committed by Andreas Kling
parent 1e6ab0ed22
commit 4566c2d811
10 changed files with 54 additions and 34 deletions
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7
Kernel/FileSystem/ProcFS.cpp
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@@ -78,10 +78,10 @@ enum ProcFileType {
FI_PID_stack,
FI_PID_regs,
FI_PID_fds,
FI_PID_exe, // symlink
FI_PID_cwd, // symlink
FI_PID_exe, // symlink
FI_PID_cwd, // symlink
FI_PID_root, // symlink
FI_PID_fd, // directory
FI_PID_fd, // directory
__FI_PID_End,
FI_MaxStaticFileIndex,
@@ -651,6 +651,7 @@ Optional<KBuffer> procfs$df(InodeIdentifier)
fs_object.add("mount_point", mount.absolute_path());
fs_object.add("block_size", fs.block_size());
fs_object.add("readonly", fs.is_readonly());
fs_object.add("mount_flags", mount.flags());
if (fs.is_disk_backed())
fs_object.add("device", static_cast<const DiskBackedFS&>(fs).device().absolute_path());