On Mon 01-11-21 17:04:45, Gabriel Krisman Bertazi wrote: > FAN_FS_ERROR is a new event for fanotify to report filesystem errors. > > Cc: Amir Goldstein <amir73il@xxxxxxxxx> > Cc: Jan Kara <jack@xxxxxxx> > Cc: Matthew Bobrowski <repnop@xxxxxxxxxx> > Signed-off-by: Gabriel Krisman Bertazi <krisman@xxxxxxxxxxxxx> Just one more comment besides what Amir already wrote: > @@ -599,6 +646,30 @@ field. > In that case, the audit subsystem will log information about the access > decision to the audit logs. > .\" > +.SS Monitoring filesystems for errors > +A single FAN_FS_ERROR event is stored per filesystem at once. > +Extra error messages are suppressed and accounted for > +inside the current FAN_FS_ERROR event record, > +but details about the errors are lost. > +.PP > +Error types reported by FAN_FS_ERROR are generic errno values > +but not all kinds of errors types are reported by all filesystems. > +Refer to the filesystem documentation > +for additional information on the type of errors that are reported, > +and the meaning of those errors. Hmm, I wish there was any filesystem documentation for this :). I think the only real source of this information is the kernel source code? Honza -- Jan Kara <jack@xxxxxxxx> SUSE Labs, CR
