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SubjectRe: Upcoming: Notifications, FS notifications and fsinfo()
On Wed, Apr 01, 2020 at 05:25:54PM +0200, Miklos Szeredi wrote:
> fsinfo(2) will never be substantially cheaper than reading and parsing
> /mnt/MNT_ID/info. In fact reading a large part of the mount table
> using fsinfo(2) will be substantially slower than parsing
> /proc/self/mountinfo (this doesn't actually do the parsing but that
> would add a very small amount of overhead):

I think nobody wants to use fsinfo() or mountfs as replacement to whole
/proc/self/mountinfo. It does not make sense. We need per-mountpoint
API, for whole mount table use-cases (like findmnt or lsblk) the
current mountinfo is good enough.


Karel Zak <>

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