fscrypt.rst (1bdd3e05a0a3b4a97ea88bc46fef8fb265c8b94c) | fscrypt.rst (457b1e353c739af39159269723949f315320446c) |
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1===================================== 2Filesystem-level encryption (fscrypt) 3===================================== 4 5Introduction 6============ 7 8fscrypt is a library which filesystems can hook into to support --- 961 unchanged lines hidden (view full) --- 970 may remain recoverable from free space on the disk; prefer to keep 971 all files encrypted from the very beginning. The `shred` program 972 may be used to overwrite the source files but isn't guaranteed to be 973 effective on all filesystems and storage devices. 974 975- Direct I/O is not supported on encrypted files. Attempts to use 976 direct I/O on such files will fall back to buffered I/O. 977 | 1===================================== 2Filesystem-level encryption (fscrypt) 3===================================== 4 5Introduction 6============ 7 8fscrypt is a library which filesystems can hook into to support --- 961 unchanged lines hidden (view full) --- 970 may remain recoverable from free space on the disk; prefer to keep 971 all files encrypted from the very beginning. The `shred` program 972 may be used to overwrite the source files but isn't guaranteed to be 973 effective on all filesystems and storage devices. 974 975- Direct I/O is not supported on encrypted files. Attempts to use 976 direct I/O on such files will fall back to buffered I/O. 977 |
978- The fallocate operations FALLOC_FL_COLLAPSE_RANGE, 979 FALLOC_FL_INSERT_RANGE, and FALLOC_FL_ZERO_RANGE are not supported 980 on encrypted files and will fail with EOPNOTSUPP. | 978- The fallocate operations FALLOC_FL_COLLAPSE_RANGE and 979 FALLOC_FL_INSERT_RANGE are not supported on encrypted files and will 980 fail with EOPNOTSUPP. |
981 982- Online defragmentation of encrypted files is not supported. The 983 EXT4_IOC_MOVE_EXT and F2FS_IOC_MOVE_RANGE ioctls will fail with 984 EOPNOTSUPP. 985 986- The ext4 filesystem does not support data journaling with encrypted 987 regular files. It will fall back to ordered data mode instead. 988 --- 220 unchanged lines hidden --- | 981 982- Online defragmentation of encrypted files is not supported. The 983 EXT4_IOC_MOVE_EXT and F2FS_IOC_MOVE_RANGE ioctls will fail with 984 EOPNOTSUPP. 985 986- The ext4 filesystem does not support data journaling with encrypted 987 regular files. It will fall back to ordered data mode instead. 988 --- 220 unchanged lines hidden --- |