diff options
Diffstat (limited to 'libglusterfs/src/inode.c')
| -rw-r--r-- | libglusterfs/src/inode.c | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/libglusterfs/src/inode.c b/libglusterfs/src/inode.c index e32eddb5d1c..a0088c03c55 100644 --- a/libglusterfs/src/inode.c +++ b/libglusterfs/src/inode.c @@ -950,6 +950,54 @@ inode_forget (inode_t *inode, uint64_t nlookup) return 0; } +/* + * Invalidate an inode. This is invoked when a translator decides that an inode's + * cache is no longer valid. Any translator interested in taking action in this + * situation can define the invalidate callback. + */ +int +inode_invalidate(inode_t *inode) +{ + int ret = 0; + xlator_t *xl = NULL; + xlator_t *old_THIS = NULL; + + if (!inode) { + gf_log_callingfn(THIS->name, GF_LOG_WARNING, "inode not found"); + return -1; + } + + /* + * The master xlator is not in the graph but it can define an invalidate + * handler. + */ + xl = inode->table->xl->ctx->master; + if (xl && xl->cbks->invalidate) { + old_THIS = THIS; + THIS = xl; + ret = xl->cbks->invalidate(xl, inode); + THIS = old_THIS; + if (ret) + return ret; + } + + xl = inode->table->xl->graph->first; + while (xl) { + old_THIS = THIS; + THIS = xl; + if (xl->cbks->invalidate) + ret = xl->cbks->invalidate(xl, inode); + THIS = old_THIS; + + if (ret) + break; + + xl = xl->next; + } + + return ret; +} + static void __inode_unlink (inode_t *inode, inode_t *parent, const char *name) |