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Diffstat (limited to 'README.rst')
| -rw-r--r-- | README.rst | 10 |
1 files changed, 6 insertions, 4 deletions
@@ -2,7 +2,9 @@ tmpoverlay ========== tmpoverlay is a small, almost-POSIX shell script to create tmpfs-backed -overlayfs mounts. See tmpoverlay --help for usage information. +overlayfs mounts. tmpoverlay automatically detects and uses index=on and +volatile, as well as redirect_dir and metacopy if only a single lowerdir is +used. See tmpoverlay --help for usage information. One important thing to note is that like any other Linux mount, an overlayfs mount only affects new directory lookups. If a process has its current @@ -21,9 +23,9 @@ POSIX compliance With the following exceptions, tmpoverlay is intended to be functional on POSIX-only shells: -- ``getopt --`` is required for proper handling of options containing spaces - ``mount -t overlay`` is obviously required +- ``getopt --`` is required for proper handling of options containing spaces +- ``stat -c`` is required to obtain upperdir owner and permissions, because + parsing ls -l is ridiculous. - ``getfattr`` is used for xattr copying but in case of failure, the system is assumed to not support xattrs and setfattr is skipped. -- ``stat -c`` is used to obtain upperdir owner and permissions, because parsing - ls -l is nonsense. |