| /linux/fs/ext4/ |
| H A D | Makefile | 6 obj-$(CONFIG_EXT4_FS) += ext4.o
8 ext4-y := balloc.o bitmap.o block_validity.o dir.o ext4_jbd2.o extents.o \
15 ext4-$(CONFIG_EXT4_FS_POSIX_ACL) += acl.o
16 ext4-$(CONFIG_EXT4_FS_SECURITY) += xattr_security.o
17 ext4-inode-test-objs += inode-test.o
18 obj-$(CONFIG_EXT4_KUNIT_TESTS) += ext4-inode-test.o
19 ext4-$(CONFIG_FS_VERITY) += verity.o
20 ext4-$(CONFIG_FS_ENCRYPTION) += crypto.o
|
| H A D | Kconfig | 3 tristate "The Extended 4 (ext4) filesystem"
14 the on-disk format of ext4 is not forwards compatible with
16 physical block numbers. The ext4 filesystem also supports delayed
20 http://ext4.wiki.kernel.org.
22 The ext4 filesystem supports mounting an ext3 filesystem; while there
24 table readahead, the best performance gains require enabling ext4
26 filesystem as an ext4 filesystem initially. Without explicit enabling
27 of ext4 features, the on disk filesystem format stays fully backward
31 module will be called ext4.
36 bool "Use ext4 for ext2 file systems"
[all …]
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| /linux/Documentation/ABI/testing/ |
| H A D | sysfs-fs-ext4 | 1 What: /sys/fs/ext4/<disk>/mb_stats
10 What: /sys/fs/ext4/<disk>/mb_group_prealloc
16 stripe size is not set in the ext4 superblock
18 What: /sys/fs/ext4/<disk>/mb_max_to_scan
25 What: /sys/fs/ext4/<disk>/mb_min_to_scan
32 What: /sys/fs/ext4/<disk>/mb_order2_req
40 What: /sys/fs/ext4/<disk>/mb_stream_req
51 What: /sys/fs/ext4/<disk>/inode_readahead_blks
56 inode table blocks that ext4's inode table readahead
59 What: /sys/fs/ext4/<disk>/delayed_allocation_blocks
[all …]
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| /linux/fs/jbd2/ |
| H A D | Kconfig | 8 the ext4 and OCFS2 filesystems, but it could also be used to add
12 If you are using ext4 or OCFS2, you need to say Y here.
13 If you are not using ext4 or OCFS2 then you will
17 called jbd2. If you are compiling ext4 or OCFS2 into the kernel,
21 bool "JBD2 (ext4) debugging support"
24 If you are using the ext4 journaled file system (or
|
| /linux/fs/freevxfs/ |
| H A D | vxfs_inode.h | 109 struct vxfs_ext4 ext4; member
122 #define vdi_ext4 vdi_org.ext4
152 struct vxfs_ext4 ext4; member
161 #define vii_ext4 vii_org.ext4
|
| /linux/Documentation/filesystems/ |
| H A D | ext3.rst | 12 filesystem is a subset of ext4 filesystem so use ext4 driver for accessing
|
| H A D | fsverity.rst | 14 of read-only files. Currently, it is supported by the ext4, f2fs, and
260 images in userspace (such as with ``mkfs.ext4 -d``).
581 ext4 section in Filesystem support
584 ext4 supports fs-verity since Linux v5.4 and e2fsprogs v1.45.2.
586 To create verity files on an ext4 filesystem, the filesystem must have
592 Originally, an ext4 filesystem with the "verity" feature could only be
596 ext4 sets the EXT4_VERITY_FL on-disk inode flag on verity files. It
599 ext4 also supports encryption, which can be used simultaneously with
604 ext4 stores the verity metadata (Merkle tree and fsverity_descriptor)
608 be read/written internally by ext4 with only some relatively small
[all …]
|
| H A D | journalling.rst | 33 ext4_load_journal() in fs/ext4/super.c for examples on this stage.
79 journals, and another filesystem other than yours (say ext4) may be
97 basis on which ext4 uses to make these decisions.
162 fs/ext4/fast_commit.c.
|
| /linux/Documentation/filesystems/ext4/ |
| H A D | about.rst | 6 This document attempts to describe the on-disk format for ext4
8 as well, though they do not support all the features that ext4 supports,
25 ext4 divides a storage device into an array of logical blocks both to
|
| H A D | bigalloc.rst | 8 ext4 code is not prepared to handle the case where the block size
14 The bigalloc feature (EXT4_FEATURE_RO_COMPAT_BIGALLOC) changes ext4 to
15 use clustered allocation, so that each bit in the ext4 block allocation
|
| H A D | allocators.rst | 6 ext4 recognizes (better than ext3, anyway) that data locality is
17 The first tool that ext4 uses to combat fragmentation is the multi-block
24 extent. A second related trick that ext4 uses is delayed allocation.
32 The third trick that ext4 (and ext3) uses is that it tries to keep a
|
| H A D | verity.rst | 6 ext4 supports fs-verity, which is a filesystem feature that provides
11 metadata is filesystem-specific. On ext4, the verity metadata is
|
| H A D | journal.rst | 6 Introduced in ext3, the ext4 filesystem employs a journal to protect the
22 For performance reasons, ext4 by default only writes filesystem metadata
43 journal inode are replicated in the ext4 superblock. The journal itself
49 opposite of ext4.
51 NOTE: Both ext4 and ocfs2 use jbd2.
53 The maximum size of a journal embedded in an ext4 filesystem is 2^32
81 Optionally, an ext4 filesystem can be created with an external journal
85 will be an ext4 super block in the usual place, with a matching UUID.
94 - ext4 Superblock
160 The super block for the journal is much simpler as compared to ext4's.
[all …]
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| H A D | special_inodes.rst | 6 ext4 reserves some inode for special features, as follows:
|
| H A D | eainode.rst | 6 To enable ext4 to store extended attribute values that do not fit in the
|
| H A D | group_descr.rst | 29 In ext2, ext3, and ext4 (when the 64bit feature is not enabled), the
31 bg_checksum. On an ext4 filesystem with the 64bit feature enabled, the
|
| /linux/tools/testing/selftests/zram/ |
| H A D | README | 25 zram01.sh: creates general purpose ram disks with ext4 filesystems
36 - mkfs/ mkfs.ext4
|
| /linux/tools/testing/selftests/ublk/ |
| H A D | test_common.sh | 80 mkfs.ext4 -F "$dev" > /dev/null 2>&1
86 mount -t ext4 "$dev" "$mnt_dir" > /dev/null 2>&1
|
| /linux/Documentation/livepatch/ |
| H A D | module-elf-format.rst | 142 .klp.rela.ext4.text.ext4_attr_store
146 module that patches vmlinux and modules 9p, btrfs, ext4:**
156 …[34] .klp.rela.ext4.text.ext4.attr.store RELA 0000000000000000 002fd8 0000d8 18 AIo 6…
157 …[35] .klp.rela.ext4.text.ext4.attr.show RELA 0000000000000000 0030b0 000150 18 AIo 6…
|
| /linux/Documentation/trace/ |
| H A D | tracepoint-analysis.rst | 44 ext4:ext4_free_inode [Tracepoint event]
45 ext4:ext4_request_inode [Tracepoint event]
46 ext4:ext4_allocate_inode [Tracepoint event]
47 ext4:ext4_write_begin [Tracepoint event]
48 ext4:ext4_ordered_write_end [Tracepoint event]
|
| /linux/arch/arm/boot/dts/xilinx/ |
| H A D | zynq-parallella.dts | 29 bootargs = "root=/dev/mmcblk0p2 rootfstype=ext4 rw rootwait";
|
| /linux/Documentation/translations/zh_CN/admin-guide/ |
| H A D | index.rst | 93 * ext4
|
| /linux/Documentation/translations/zh_TW/admin-guide/ |
| H A D | index.rst | 95 * ext4
|
| /linux/arch/arm/boot/dts/nxp/mxs/ |
| H A D | imx28-lwe.dtsi | 16 bootargs = "root=/dev/mmcblk0p2 rootfstype=ext4 ro rootwait console=ttyAMA0,115200 panic=1";
|
| /linux/fs/verity/ |
| H A D | Kconfig | 11 filesystems (currently ext4, f2fs, and btrfs), userspace can
|