> > On Fri, Jan 02, 2015 at 06:42:51PM +0900, Namjae Jeon wrote: > > This commit adds insert operation support for fsstress, which is > > meant to exercise fallocate FALLOC_FL_INSERT_RANGE support. > > > > Signed-off-by: Namjae Jeon <[email protected]> > > Signed-off-by: Ashish Sangwan <[email protected]> > > --- > > It might be nice to avoid setting FALLOC_FL_KEEP_SIZE for insert and > collapse ops alike (see the only use of KEEP_SIZE in fsstress.c) to > increase the likelihood of valid fallocate() calls. We currently set it > randomly, but unconditionally across all fallocate ops. > > That could be done in a separate patch, however, and this looks good to > me: Thank you! I will share a separate patch.
> > Reviewed-by: Brian Foster <[email protected]> > > > ltp/fsstress.c | 19 ++++++++++++++++--- > > src/global.h | 4 ++++ > > 2 files changed, 20 insertions(+), 3 deletions(-) > > > > diff --git a/ltp/fsstress.c b/ltp/fsstress.c > > index b56fe5c..aa3e0c3 100644 > > --- a/ltp/fsstress.c > > +++ b/ltp/fsstress.c > > @@ -72,6 +72,7 @@ typedef enum { > > OP_PUNCH, > > OP_ZERO, > > OP_COLLAPSE, > > + OP_INSERT, > > OP_READ, > > OP_READLINK, > > OP_RENAME, > > @@ -170,6 +171,7 @@ void mknod_f(int, long); > > void punch_f(int, long); > > void zero_f(int, long); > > void collapse_f(int, long); > > +void insert_f(int, long); > > void read_f(int, long); > > void readlink_f(int, long); > > void rename_f(int, long); > > @@ -209,6 +211,7 @@ opdesc_t ops[] = { > > { OP_PUNCH, "punch", punch_f, 1, 1 }, > > { OP_ZERO, "zero", zero_f, 1, 1 }, > > { OP_COLLAPSE, "collapse", collapse_f, 1, 1 }, > > + { OP_INSERT, "insert", insert_f, 1, 1 }, > > { OP_READ, "read", read_f, 1, 0 }, > > { OP_READLINK, "readlink", readlink_f, 1, 0 }, > > { OP_RENAME, "rename", rename_f, 2, 1 }, > > @@ -2176,6 +2179,7 @@ struct print_flags falloc_flags [] = { > > { FALLOC_FL_NO_HIDE_STALE, "NO_HIDE_STALE"}, > > { FALLOC_FL_COLLAPSE_RANGE, "COLLAPSE_RANGE"}, > > { FALLOC_FL_ZERO_RANGE, "ZERO_RANGE"}, > > + { FALLOC_FL_INSERT_RANGE, "INSERT_RANGE"}, > > { -1, NULL} > > }; > > > > @@ -2227,10 +2231,11 @@ do_fallocate(int opno, long r, int mode) > > off %= maxfsize; > > len = (off64_t)(random() % (1024 * 1024)); > > /* > > - * Collapse range requires off and len to be block aligned, make it > > - * more likely to be the case. > > + * Collapse/insert range requires off and len to be block aligned, > > + * make it more likely to be the case. > > */ > > - if ((mode & FALLOC_FL_COLLAPSE_RANGE) && (opno % 2)) { > > + if ((mode & (FALLOC_FL_COLLAPSE_RANGE | FALLOC_FL_INSERT_RANGE)) && > > + (opno % 2)) { > > off = ((off + stb.st_blksize - 1) & ~(stb.st_blksize - 1)); > > len = ((len + stb.st_blksize - 1) & ~(stb.st_blksize - 1)); > > } > > @@ -2656,6 +2661,14 @@ collapse_f(int opno, long r) > > } > > > > void > > +insert_f(int opno, long r) > > +{ > > +#ifdef HAVE_LINUX_FALLOC_H > > + do_fallocate(opno, r, FALLOC_FL_INSERT_RANGE); > > +#endif > > +} > > + > > +void > > read_f(int opno, long r) > > { > > char *buf; > > diff --git a/src/global.h b/src/global.h > > index 8180f66..f63246b 100644 > > --- a/src/global.h > > +++ b/src/global.h > > @@ -172,6 +172,10 @@ > > #define FALLOC_FL_ZERO_RANGE 0x10 > > #endif > > > > +#ifndef FALLOC_FL_INSERT_RANGE > > +#define FALLOC_FL_INSERT_RANGE 0x20 > > +#endif > > + > > #endif /* HAVE_LINUX_FALLOC_H */ > > > > #endif /* GLOBAL_H */ > > -- > > 1.7.11-rc0 > > -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
