Bug #1401

statvfs(2) reports wrapped sizes for large nfs file systems

Added by corecode over 6 years ago. Updated over 6 years ago.

Status:ClosedStart date:
Priority:NormalDue date:
Assignee:alexh% Done:


Target version:-


nfs only implements vfs_statfs and relies on the vfs_stdstatvfs wrapper to
provide a statvfs interface.

NFSv3 provides 64 bit values for free and available blocks, but the statfs
structure it fills uses only signed longs. As a result, these values get
cropped and later written back into a 64 bit integer in the statvfs struct,
leading to incorrect information.

nfs needs to implement both statfs and statvfs to fix this.


#1 Updated by alexh over 6 years ago

I'm currently testing an implementation of stavfs to fix this.

#2 Updated by alexh over 6 years ago

Should be fixed by commit 2ef35c61337e4c7a147da41391628f26823da352:

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