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関連タグで絞り込む (4)
●
!tumblr-tech
●
ext4
●
filesystem
●
linux
タグの絞り込みを解除
!share-withとext3に関するtyruのブックマーク (2)
●
46 users
●
naoya-2.hatenadiary.org
●暮らし
Linuxのcloseは暗にfsyncするから、ここであげられている 100000回繰り返し open 8K write close というパターンだとfsyncコストが見えちゃうので良くないんじゃないかな とのことで、そうなのか!と思ったので例によって深追いしてみました。 まず fsync(2) の実装は fs/sync.c にあります。 asmlinkage long sys_fsync(unsigned int fd) { return __do_fsync(fd, 0); } static long __do_fsync(unsigned int fd, int datasync) { struct file *file; int ret = -EBADF; file = fget(fd); if (file) { ret = do_fsync(file, datasync);
tyru
2011/04/13
●linux
●filesystem
●ext3
●!share-with
●!tumblr-tech
●
30 users
●
extundelete.sourceforge.net
●テクノロジー
About extundelete extundelete is a utility that can recover deleted files from an ext3 or ext4 partition. The ext3 and ext4 file systems are the most common default file systems in Linux distributions like Mint, Mageia, or Ubuntu. extundelete uses information stored in the partition's journal to attempt to recover a file that has been deleted from the partition. There is no guarantee that any part
tyru
2011/01/28
●linux
●filesystem
●ext3
●ext4
●!share-with
●!tumblr-tech
1
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設定を変更しましたx
Linux の close は fsync 相当を調べる - naoyaのはてなダイアリー
extundelete: An ext3 and ext4 file undeletion utility