xfs fs shutdown when no more space available

[Dave Chinner]

On Sun, May 25, 2014 at 08:32:04PM +0300, Gabriel VLASIU wrote:
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> Hi!
> 
> Usually, when the xfs partition has no more space nothing happend except I 
> cannot write new data. This was true for a long time. But it's seems that 
> in 3.14.4 something has changed (3.14.x?):
> 
> # dd if=/dev/urandom of=noise.dat count=4194304
> cp noise.dat 11.dat
> cp noise.dat 22.dat
> ....
> 
> At some point the partition become full and I get this in logs:
> 
> May 25 19:48:25 imhotep kernel: [26271.780894] XFS (loop0): xlog_write: reservation summary:
> May 25 19:48:25 imhotep kernel: [26271.780894]   trans type  = FSYNC_TS (36)
> May 25 19:48:25 imhotep kernel: [26271.780894]   unit res    = 9640 bytes
> May 25 19:48:25 imhotep kernel: [26271.780894]   current res = -4 bytes
> May 25 19:48:25 imhotep kernel: [26271.780894]   total reg   = 0 bytes (o/flow = 0 bytes)
> May 25 19:48:25 imhotep kernel: [26271.780894]   ophdrs      = 0 (ophdr space = 0 bytes)
> May 25 19:48:25 imhotep kernel: [26271.780894]   ophdr + reg = 0 bytes
> May 25 19:48:25 imhotep kernel: [26271.780894]   num regions = 0

fe4c224 xfs: inode log reservations are still too small

Cheers,

Dave.
-- 
Dave Chinner
david at fromorbit.com