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LU-13386 llite: allow current readahead to exceed reservation
[fs/lustre-release.git]
/
lustre
/
llite
/
rw.c
diff --git
a/lustre/llite/rw.c
b/lustre/llite/rw.c
index
6161bdc
..
b6559b4
100644
(file)
--- a/
lustre/llite/rw.c
+++ b/
lustre/llite/rw.c
@@
-729,9
+729,12
@@
static int ll_readahead(const struct lu_env *env, struct cl_io *io,
/* at least to extend the readahead window to cover current read */
if (!hit && vio->vui_ra_valid &&
/* at least to extend the readahead window to cover current read */
if (!hit && vio->vui_ra_valid &&
- vio->vui_ra_start_idx + vio->vui_ra_pages > ria->ria_start_idx)
+ vio->vui_ra_start_idx + vio->vui_ra_pages > ria->ria_start_idx)
{
ria->ria_end_idx_min =
vio->vui_ra_start_idx + vio->vui_ra_pages - 1;
ria->ria_end_idx_min =
vio->vui_ra_start_idx + vio->vui_ra_pages - 1;
+ pages_min = vio->vui_ra_start_idx + vio->vui_ra_pages -
+ ria->ria_start_idx;
+ }
ria->ria_reserved = ll_ra_count_get(ll_i2sbi(inode), ria, pages,
pages_min);
ria->ria_reserved = ll_ra_count_get(ll_i2sbi(inode), ria, pages,
pages_min);