On Sat, Oct 29, 2011 at 12:48:15AM -0000, Dmitry Monakhov wrote: > Related bug: http://patchwork.ozlabs.org/patch/118863 > > Signed-off-by: Dmitry Monakhov <dmonakhov@xxxxxxxxxx> > > --- > ltp/fsstress.c | 76 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++ > 1 files changed, 76 insertions(+), 0 deletions(-) > > diff --git a/ltp/fsstress.c b/ltp/fsstress.c > index 9de59b6..759f7b3 100644 > --- a/ltp/fsstress.c > +++ b/ltp/fsstress.c > @@ -24,6 +24,9 @@ > #ifdef HAVE_ATTR_ATTRIBUTES_H > #include <attr/attributes.h> > #endif > +#ifdef HAVE_LINUX_FIEMAP_H > +#include <linux/fiemap.h> > +#endif > #ifdef FALLOCATE > #include <linux/falloc.h> > #ifndef FALLOC_FL_PUNCH_HOLE > @@ -65,6 +68,7 @@ typedef enum { > OP_DWRITE, > OP_FALLOCATE, > OP_FDATASYNC, > + OP_FIEMAP, > OP_FREESP, > OP_FSYNC, > OP_GETATTR, > @@ -149,6 +153,7 @@ void dread_f(int, long); > void dwrite_f(int, long); > void fallocate_f(int, long); > void fdatasync_f(int, long); > +void fiemap_f(int, long); > void freesp_f(int, long); > void fsync_f(int, long); > void getattr_f(int, long); > @@ -184,6 +189,7 @@ opdesc_t ops[] = { > { OP_DWRITE, "dwrite", dwrite_f, 4, 1 }, > { OP_FALLOCATE, "fallocate", fallocate_f, 1, 1 }, > { OP_FDATASYNC, "fdatasync", fdatasync_f, 1, 1 }, > + { OP_FIEMAP, "fiemap", fiemap_f, 1, 1 }, > { OP_FREESP, "freesp", freesp_f, 1, 1 }, > { OP_FSYNC, "fsync", fsync_f, 1, 1 }, > { OP_GETATTR, "getattr", getattr_f, 1, 0 }, > @@ -2117,6 +2123,76 @@ fdatasync_f(int opno, long r) > free_pathname(&f); > close(fd); > } > +void > +fiemap_f(int opno, long r) > +{ > +#ifdef HAVE_LINUX_FIEMAP_H > + int e; > + pathname_t f; > + int fd; > + __int64_t lr; > + off64_t off; > + struct stat64 stb; > + int v; > + char st[1024]; > + int blocks_to_map; > + struct fiemap *fiemap; > + > + init_pathname(&f); > + if (!get_fname(FT_REGFILE, r, &f, NULL, NULL, &v)) { > + if (v) > + printf("%d/%d: fiemap - no filename\n", procid, opno); > + free_pathname(&f); > + return; > + } > + fd = open_path(&f, O_RDWR); > + e = fd < 0 ? errno : 0; > + check_cwd(); > + if (fd < 0) { > + if (v) > + printf("%d/%d: fiemap - open %s failed %d\n", > + procid, opno, f.path, e); > + free_pathname(&f); > + return; > + } > + if (fstat64(fd, &stb) < 0) { > + if (v) > + printf("%d/%d: fiemap - fstat64 %s failed %d\n", > + procid, opno, f.path, errno); > + free_pathname(&f); > + close(fd); > + return; > + } > + inode_info(st, sizeof(st), &stb, v); > + blocks_to_map = random() & 0xffff; > + fiemap = (struct fiemap *)malloc(sizeof(struct fiemap) + > + (blocks_to_map * sizeof(struct fiemap_extent))); > + if (!fiemap) { > + if (v) > + printf("%d/%d: malloc failed \n", procid, opno); > + free_pathname(&f); > + close(fd); > + return; > + } > + lr = ((__int64_t)random() << 32) + random(); > + off = (off64_t)(lr % MIN(stb.st_size + (1024 * 1024), MAXFSIZE)); > + off %= maxfsize; > + fiemap->fm_flags = random() & (FIEMAP_FLAGS_COMPAT | 0x10000); > + fiemap->fm_extent_count = blocks_to_map; > + fiemap->fm_mapped_extents = random() & 0xffff; > + fiemap->fm_start = off; > + fiemap->fm_length = ((__int64_t)random() << 32) + random(); > + > + e = ioctl(fd, FS_IOC_FIEMAP, (unsigned long)fiemap); > + if (v) > + printf("%d/%d: ioctl(FIEMAP) %s%s %lld %lld %x %d\n", > + procid, opno, f.path, st, (long long)fiemap->fm_start, > + (long long) fiemap->fm_length, fiemap->fm_flags, e); > + free(fiemap); > + free_pathname(&f); > + close(fd); > +#endif > +} > > void > freesp_f(int opno, long r) Looks good to me. Reviewed-By: Phil White <pwhite@xxxxxxx> Tested-By: Phil White <pwhite@xxxxxxx> _______________________________________________ xfs mailing list xfs@xxxxxxxxxxx http://oss.sgi.com/mailman/listinfo/xfs
