Hi, On 09/10/2017 01:50 AM, Rohan Kadekodi wrote: > > I was trying to understand how file renames are handled in Btrfs. I > read the code documentation, but had a problem understanding a few > things. > > During a file rename, btrfs_commit_transaction() is called which is > because Btrfs has to commit the whole FS before storing the > information related to the new renamed file.
Can you point to which lines of code you're looking at? > It has to commit the FS > because a rename first does an unlink, which is not recorded in the > btrfs_rename() transaction and so is not logged in the log tree. Is my > understanding correct? [...] Can you also point to where exactly you see this happening? I'd also like to understand more about this. The whole mail thread following this message continues about what a transaction commit is and does etc, but the above question is never answered I think. And I think it's an interesting question. Is a rename a "heavier" operation relative to other file operations? -- Hans van Kranenburg -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
