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Marked the list of lfa flags by "settable", "superuser", "directory only"

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Thomas Schmitt 2024-09-07 18:19:48 +02:00
parent 8d9fcf658a
commit 9ef7e7ffbe
1 changed files with 23 additions and 19 deletions
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42
doc/susp_aaip_isofs_names.txt
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@ -133,38 +133,42 @@ Purpose:
Records the file attribute flags as of Linux program chattr(1) and
ioctl(FS_IOC_GETFLAGS) in <linux/fs.h> as bits in a byte string.
Known from Debian GNU/Linux 8 to 12 are:
bit0= FS_SECRM_FL 's' zero blocks on deletion
bit1= FS_UNRM_FL 'u' on delete prepare for undelete
bit2= FS_COMPR_FL 'c' compress
bit3= FS_SYNC_FL 'S' synchronous write
bit4= FS_IMMUTABLE_FL 'i' immutable
bit5= FS_APPEND_FL 'a' appending write only
bit6= FS_NODUMP_FL 'd' dump(8) shall ignore this file
bit7= FS_NOATIME_FL 'A' do not update atime
bit0= FS_SECRM_FL 's' zero blocks on deletion +
bit1= FS_UNRM_FL 'u' on delete prepare for undelete +
bit2= FS_COMPR_FL 'c' compress +
bit3= FS_SYNC_FL 'S' synchronous write +
bit4= FS_IMMUTABLE_FL 'i' immutable +*
bit5= FS_APPEND_FL 'a' appending write only +*
bit6= FS_NODUMP_FL 'd' dump(8) shall ignore this file +
bit7= FS_NOATIME_FL 'A' do not update atime +
bit8= FS_DIRTY_FL 'Z' compressed dirty file
bit9= FS_COMPRBLK_FL (? one or more compressed clusters)
bit10= FS_NOCOMP_FL 'm' do not compress
bit9= FS_COMPRBLK_FL (? one or more compressed clusters)
bit10= FS_NOCOMP_FL 'm' do not compress +
bit11= FS_ECOMPR_FL 'E' compression error (old)
FS_ENCRYPT_FL 'E' encrypted file (new)
bit12= FS_BTREE_FL (? btree format dir)
FS_INDEX_FL 'I' hash-indexed directory ?
FS_INDEX_FL 'I' hash-indexed directory
bit13= FS_IMAGIC_FL (? AFS directory)
bit14= FS_JOURNAL_DATA_FL 'j' data journalling
bit15= FS_NOTAIL_FL 't' no tail-merging
bit16= FS_DIRSYNC_FL 'D' synchronous directory updates
bit17= FS_TOPDIR_FL 'T' top of directory hierarchy
bit14= FS_JOURNAL_DATA_FL 'j' data journalling +*
bit15= FS_NOTAIL_FL 't' no tail-merging +
bit16= FS_DIRSYNC_FL 'D' synchronous directory updates +/
bit17= FS_TOPDIR_FL 'T' top of directory hierarchy +/
bit18= FS_HUGE_FILE_FL ('h' huge file ? 'h' old, FS_HUGE_FILE_FL new)
bit19= FS_EXTENT_FL 'e' using extents
bit20= FS_DIRECTIO_FL (? use direct i/o) (old)
FS_VERITY_FL 'V' fs-verity enabled (new)
bit21= FS_EA_INODE_FL (? Inode used for large EA)
bit22= FS_EOFBLOCKS_FL (? reserved for ext4)
bit23= FS_NOCOW_FL 'C' no copy on write
bit25= FS_DAX_FL 'x' direct access
bit23= FS_NOCOW_FL 'C' no copy on write +
bit25= FS_DAX_FL 'x' direct access +
bit28= FS_INLINE_DATA_FL 'N' data stored in inode
bit29= FS_PROJINHERIT_FL 'P' project hierarchy
bit30= FS_CASEFOLD_FL 'F' case-insensitive directory lookups
bit29= FS_PROJINHERIT_FL 'P' project hierarchy +/
bit30= FS_CASEFOLD_FL 'F' case-insensitive directory lookups +/
bit31= FS_RESERVED_FL (? reserved for ext2 lib)
Marks for supposed settability properties according to man chattr:
"+" means "settable".
"*" means "superuser power is needed".
"/" means "for directories only".
Format of Value:
A byte string which begins with the most significant byte.