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571640cad3
I can't think of any valid reason for ext4 to not use barriers when they are available; I believe this is necessary for filesystem integrity in the face of a volatile write cache on storage. An administrator who trusts that the cache is sufficiently battery- backed (and power supplies are sufficiently redundant, etc...) can always turn it back off again. SuSE has carried such a patch for ext3 for quite some time now. Also document the mount option while we're at it. Signed-off-by: Eric Sandeen <sandeen@redhat.com> Signed-off-by: Mingming Cao <cmm@us.ibm.com> Signed-off-by: "Theodore Ts'o" <tytso@mit.edu> |
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|---|---|---|
| .. | ||
| configfs | ||
| 00-INDEX | ||
| 9p.txt | ||
| adfs.txt | ||
| affs.txt | ||
| afs.txt | ||
| automount-support.txt | ||
| befs.txt | ||
| bfs.txt | ||
| cifs.txt | ||
| coda.txt | ||
| cramfs.txt | ||
| dentry-locking.txt | ||
| directory-locking | ||
| dlmfs.txt | ||
| dnotify.txt | ||
| ecryptfs.txt | ||
| Exporting | ||
| ext2.txt | ||
| ext3.txt | ||
| ext4.txt | ||
| files.txt | ||
| fuse.txt | ||
| gfs2.txt | ||
| hfs.txt | ||
| hfsplus.txt | ||
| hpfs.txt | ||
| inotify.txt | ||
| isofs.txt | ||
| jfs.txt | ||
| Locking | ||
| locks.txt | ||
| mandatory-locking.txt | ||
| ncpfs.txt | ||
| nfs-rdma.txt | ||
| nfsroot.txt | ||
| ntfs.txt | ||
| ocfs2.txt | ||
| porting | ||
| proc.txt | ||
| quota.txt | ||
| ramfs-rootfs-initramfs.txt | ||
| relay.txt | ||
| romfs.txt | ||
| rpc-cache.txt | ||
| seq_file.txt | ||
| sharedsubtree.txt | ||
| smbfs.txt | ||
| spufs.txt | ||
| sysfs-pci.txt | ||
| sysfs.txt | ||
| sysv-fs.txt | ||
| tmpfs.txt | ||
| udf.txt | ||
| ufs.txt | ||
| vfat.txt | ||
| vfs.txt | ||
| xfs.txt | ||
| xip.txt | ||