Description of problem: When a file is being read during the graph change, it returns ENOENT Version-Release number of selected component (if applicable): 3.3.0qa20 How reproducible: Using the volume set operation. Steps to Reproduce: 1. Create a file and read it from the fuse mount 2. Do a volume set operation Actual results: Returns ENOENT during the graph change Additional info: Client log. [2012-01-30 15:06:22.602660] E [fuse-resolve.c:192:fuse_resolve_gfid] 0-glusterfs-fuse: xl is NULL [2012-01-30 15:06:22.604144] E [fuse-resolve.c:192:fuse_resolve_gfid] 0-glusterfs-fuse: xl is NULL [2012-01-30 15:06:22.606108] E [fuse-resolve.c:192:fuse_resolve_gfid] 0-glusterfs-fuse: xl is NULL [2012-01-30 15:06:22.607819] E [fuse-resolve.c:192:fuse_resolve_gfid] 0-glusterfs-fuse: xl is NULL [2012-01-30 15:06:22.609625] E [fuse-resolve.c:192:fuse_resolve_gfid] 0-glusterfs-fuse: xl is NULL [2012-01-30 15:06:22.611381] E [fuse-resolve.c:192:fuse_resolve_gfid] 0-glusterfs-fuse: xl is NULL [2012-01-30 15:06:22.612953] E [fuse-resolve.c:192:fuse_resolve_gfid] 0-glusterfs-fuse: xl is NULL [2012-01-30 15:06:22.614549] E [fuse-resolve.c:192:fuse_resolve_gfid] 0-glusterfs-fuse: xl is NULL [2012-01-30 15:06:22.616061] E [fuse-resolve.c:192:fuse_resolve_gfid] 0-glusterfs-fuse: xl is NULL [2012-01-30 15:06:22.617842] E [fuse-resolve.c:192:fuse_resolve_gfid] 0-glusterfs-fuse: xl is NULL [2012-01-30 15:06:22.619489] E [fuse-resolve.c:192:fuse_resolve_gfid] 0-glusterfs-fuse: xl is NULL [2012-01-30 15:06:22.621237] E [fuse-resolve.c:192:fuse_resolve_gfid] 0-glusterfs-fuse: xl is NULL [2012-01-30 15:06:22.622758] E [fuse-resolve.c:192:fuse_resolve_gfid] 0-glusterfs-fuse: xl is NULL [2012-01-30 15:06:22.624978] E [fuse-resolve.c:192:fuse_resolve_gfid] 0-glusterfs-fuse: xl is NULL [2012-01-30 15:06:22.626835] E [fuse-resolve.c:192:fuse_resolve_gfid] 0-glusterfs-fuse: xl is NULL [2012-01-30 15:06:22.628331] E [fuse-resolve.c:192:fuse_resolve_gfid] 0-glusterfs-fuse: xl is NULL [2012-01-30 15:06:22.629922] E [fuse-resolve.c:192:fuse_resolve_gfid] 0-glusterfs-fuse: xl is NULL [2012-01-30 15:06:22.631615] E [fuse-resolve.c:192:fuse_resolve_gfid] 0-glusterfs-fuse: xl is NULL [2012-01-30 15:06:22.633259] E [fuse-resolve.c:192:fuse_resolve_gfid] 0-glusterfs-fuse: xl is NULL [2012-01-30 15:06:22.634714] E [fuse-resolve.c:192:fuse_resolve_gfid] 0-glusterfs-fuse: xl is NULL [2012-01-30 15:06:22.636434] E [fuse-resolve.c:192:fuse_resolve_gfid] 0-glusterfs-fuse: xl is NULL [2012-01-30 15:06:22.638063] E [fuse-resolve.c:192:fuse_resolve_gfid] 0-glusterfs-fuse: xl is NULL [2012-01-30 15:06:22.639537] E [fuse-resolve.c:192:fuse_resolve_gfid] 0-glusterfs-fuse: xl is NULL [2012-01-30 15:06:22.641278] E [fuse-resolve.c:192:fuse_resolve_gfid] 0-glusterfs-fuse: xl is NULL [2012-01-30 15:06:22.643535] E [fuse-resolve.c:192:fuse_resolve_gfid] 0-glusterfs-fuse: xl is NULL (END)
already working on a fix
CHANGE: http://review.gluster.com/2710 (performanc/stat-prefetch: check if loc->gfid is present before checking loc->name) merged in master by Vijay Bellur (vijay)
CHANGE: http://review.gluster.com/2703 (fuse: fix resolver to handle graph switches properly) merged in master by Anand Avati (avati)
Verified with 3.3.0qa23. Don't see this issue now.