go_sysutils/fsutils/consts_lin.go
brent saner eefe02afaf
v1.11.0
ADDED:
* fsutils: better/additional fsattrs functionality
* paths: highly filterable filesystem searching
2024-11-16 01:28:24 -05:00

128 lines
5.3 KiB
Go

package fsutils
/*
https://github.com/torvalds/linux/blob/master/include/uapi/linux/fs.h "Inode flags (FS_IOC_GETFLAGS / FS_IOC_SETFLAGS)"
Up to date as of Linux 6.12-rc7.
*/
const (
SecureDelete fsAttr = 1 << iota // Secure deletion
UnDelete // Undelete
CompressFile // Compress file
SyncUpdate // Synchronous updates
Immutable // Immutable file
AppendOnly // Writes to file may only append
NoDumpFile // Do not dump file
NoUpdateAtime // Do not update atime
IsDirty // Nobody knows what this does, lol.
CompressedClusters // One or more compressed clusters
NoCompress // Don't compress
EncFile // Encrypted file
BtreeFmt // Btree format dir
AfsDir // AFS directory
ReservedExt3 // Reserved for ext3
NoMergeTail // File tail should not be merged
DirSync // dirsync behaviour (directories only)
DirTop // Top of directory hierarchies
ReservedExt4a // Reserved for ext4
Extents // Extents
VerityProtected // Verity-protected inode
LargeEaInode // Inode used for large EA
ReservedExt4b // Reserved for ext4
NoCOWFile // Do not cow file
_ // (Unused)
DAX // Inode is DAX
_ // (Unused)
_ // (Unused)
ReservedExt4c // Reserved for ext4
UseParentProjId // Create with parents projid
CaseInsensitive // Folder is case-insensitive
ReservedExt2 // Reserved for ext2 lib
)
// These are the same value. For some reason.
const (
HashIdxDir fsAttr = BtreeFmt // Hash-indexed directory
)
var (
// AttrNameValueMap contains a mapping of attribute names (as designated by this package) to their flag values.
AttrNameValueMap map[string]fsAttr = map[string]fsAttr{
"SecureDelete": SecureDelete,
"UnDelete": UnDelete,
"CompressFile": CompressFile,
"SyncUpdate": SyncUpdate,
"Immutable": Immutable,
"AppendOnly": AppendOnly,
"NoDumpFile": NoDumpFile,
"NoUpdateAtime": NoUpdateAtime,
"IsDirty": IsDirty,
"CompressedClusters": CompressedClusters,
"NoCompress": NoCompress,
"EncFile": EncFile,
"BtreeFmt": BtreeFmt,
"HashIdxDir": HashIdxDir,
"AfsDir": AfsDir,
"ReservedExt3": ReservedExt3,
"NoMergeTail": NoMergeTail,
"DirSync": DirSync,
"DirTop": DirTop,
"ReservedExt4a": ReservedExt4a,
"Extents": Extents,
"VerityProtected": VerityProtected,
"LargeEaInode": LargeEaInode,
"ReservedExt4b": ReservedExt4b,
"NoCOWFile": NoCOWFile,
"DAX": DAX,
"ReservedExt4c": ReservedExt4c,
"UseParentProjId": UseParentProjId,
"CaseInsensitive": CaseInsensitive,
"ReservedExt2": ReservedExt2,
}
/*
AttrValueNameMap contains a mapping of attribute flags to their names (as designated by this package).
Note the oddball here, BtreeFmt and HashIdxDir are actually the same value, so their string value is unpredictable.
*/
AttrValueNameMap map[fsAttr]string = invertMap(AttrNameValueMap)
// KernelNameValueMap allows lookups using the symbol name as used in the Linux kernel source.
KernelNameValueMap map[string]fsAttr = map[string]fsAttr{
"FS_SECRM_FL": SecureDelete,
"FS_UNRM_FL": UnDelete,
"FS_COMPR_FL": CompressFile,
"FS_SYNC_FL": SyncUpdate,
"FS_IMMUTABLE_FL": Immutable,
"FS_APPEND_FL": AppendOnly,
"FS_NODUMP_FL": NoDumpFile,
"FS_NOATIME_FL": NoUpdateAtime,
"FS_DIRTY_FL": IsDirty,
"FS_COMPRBLK_FL": CompressedClusters,
"FS_NOCOMP_FL": NoCompress,
"FS_ENCRYPT_FL": EncFile,
"FS_BTREE_FL": BtreeFmt,
"FS_INDEX_FL": HashIdxDir,
"FS_IMAGIC_FL": AfsDir,
"FS_JOURNAL_DATA_FL": ReservedExt3,
"FS_NOTAIL_FL": NoMergeTail,
"FS_DIRSYNC_FL": DirSync,
"FS_TOPDIR_FL": DirTop,
"FS_HUGE_FILE_FL": ReservedExt4a,
"FS_EXTENT_FL": Extents,
"FS_VERITY_FL": VerityProtected,
"FS_EA_INODE_FL": LargeEaInode,
"FS_EOFBLOCKS_FL": ReservedExt4b,
"FS_NOCOW_FL": NoCOWFile,
"FS_DAX_FL": DAX,
"FS_INLINE_DATA_FL": ReservedExt4c,
"FS_PROJINHERIT_FL": UseParentProjId,
"FS_CASEFOLD_FL": CaseInsensitive,
"FS_RESERVED_FL": ReservedExt2,
}
/*
KernelValueNameMap contains a mapping of attribute flags to their kernel source symbol name.
Note the oddball here, BtreeFmt and HashIdxDir are actually the same value, so their string value is unpredictable.
*/
KernelValueNameMap map[fsAttr]string = invertMap(KernelNameValueMap)
)