From: Niu Yawei <yawei.niu@xxxxxxxxx> The function ll_xattr_set() contains special code to handle the lustre specific xattr lustre.lov. Move all this code to a new function ll_setstripe_ea(). Signed-off-by: Bobi Jam <bobijam.xu@xxxxxxxxx> Signed-off-by: Niu Yawei <yawei.niu@xxxxxxxxx> Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-8998 Reviewed-on: https://review.whamcloud.com/24851 Reviewed-by: Andreas Dilger <andreas.dilger@xxxxxxxxx> Reviewed-by: Lai Siyao <lai.siyao@xxxxxxxxx> Reviewed-by: Jinshan Xiong <jinshan.xiong@xxxxxxxxx> Signed-off-by: James Simmons <jsimmons@xxxxxxxxxxxxx> --- drivers/staging/lustre/lustre/llite/xattr.c | 131 +++++++++++++++------------- 1 file changed, 69 insertions(+), 62 deletions(-) diff --git a/drivers/staging/lustre/lustre/llite/xattr.c b/drivers/staging/lustre/lustre/llite/xattr.c index 56f42b8..fb53942 100644 --- a/drivers/staging/lustre/lustre/llite/xattr.c +++ b/drivers/staging/lustre/lustre/llite/xattr.c @@ -183,6 +183,73 @@ static int get_hsm_state(struct inode *inode, u32 *hus_states) return rc; } +static int ll_setstripe_ea(struct dentry *dentry, struct lov_user_md *lump, + size_t size) +{ + struct inode *inode = d_inode(dentry); + int rc = 0; + + if (size != 0 && size < sizeof(struct lov_user_md)) + return -EINVAL; + + /* + * It is possible to set an xattr to a "" value of zero size. + * For this case we are going to treat it as a removal. + */ + if (!size && lump) + lump = NULL; + + /* Attributes that are saved via getxattr will always have + * the stripe_offset as 0. Instead, the MDS should be + * allowed to pick the starting OST index. b=17846 + */ + if (lump && lump->lmm_stripe_offset == 0) + lump->lmm_stripe_offset = -1; + + /* Avoid anyone directly setting the RELEASED flag. */ + if (lump && (lump->lmm_pattern & LOV_PATTERN_F_RELEASED)) { + /* Only if we have a released flag check if the file + * was indeed archived. + */ + u32 state = HS_NONE; + + rc = get_hsm_state(inode, &state); + if (rc) + return rc; + + if (!(state & HS_ARCHIVED)) { + CDEBUG(D_VFSTRACE, + "hus_states state = %x, pattern = %x\n", + state, lump->lmm_pattern); + /* + * Here the state is: real file is not + * archived but user is requesting to set + * the RELEASED flag so we mask off the + * released flag from the request + */ + lump->lmm_pattern ^= LOV_PATTERN_F_RELEASED; + } + } + + if (lump && S_ISREG(inode->i_mode)) { + __u64 it_flags = FMODE_WRITE; + int lum_size; + + lum_size = ll_lov_user_md_size(lump); + if (lum_size < 0 || size < lum_size) + return 0; /* b=10667: ignore error */ + + rc = ll_lov_setstripe_ea_info(inode, dentry, it_flags, lump, + lum_size); + /* b=10667: rc always be 0 here for now */ + rc = 0; + } else if (S_ISDIR(inode->i_mode)) { + rc = ll_dir_setstripe(inode, lump, 0); + } + + return rc; +} + static int ll_xattr_set(const struct xattr_handler *handler, struct dentry *dentry, struct inode *inode, const char *name, const void *value, size_t size, @@ -195,73 +262,13 @@ static int ll_xattr_set(const struct xattr_handler *handler, PFID(ll_inode2fid(inode)), inode, name); if (!strcmp(name, "lov")) { - struct lov_user_md *lump = (struct lov_user_md *)value; int op_type = flags == XATTR_REPLACE ? LPROC_LL_REMOVEXATTR : LPROC_LL_SETXATTR; - int rc = 0; ll_stats_ops_tally(ll_i2sbi(inode), op_type, 1); - if (size != 0 && size < sizeof(struct lov_user_md)) - return -EINVAL; - - /* - * It is possible to set an xattr to a "" value of zero size. - * For this case we are going to treat it as a removal. - */ - if (!size && lump) - lump = NULL; - - /* Attributes that are saved via getxattr will always have - * the stripe_offset as 0. Instead, the MDS should be - * allowed to pick the starting OST index. b=17846 - */ - if (lump && lump->lmm_stripe_offset == 0) - lump->lmm_stripe_offset = -1; - - /* Avoid anyone directly setting the RELEASED flag. */ - if (lump && (lump->lmm_pattern & LOV_PATTERN_F_RELEASED)) { - /* Only if we have a released flag check if the file - * was indeed archived. - */ - u32 state = HS_NONE; - - rc = get_hsm_state(inode, &state); - if (rc) - return rc; - - if (!(state & HS_ARCHIVED)) { - CDEBUG(D_VFSTRACE, - "hus_states state = %x, pattern = %x\n", - state, lump->lmm_pattern); - /* - * Here the state is: real file is not - * archived but user is requesting to set - * the RELEASED flag so we mask off the - * released flag from the request - */ - lump->lmm_pattern ^= LOV_PATTERN_F_RELEASED; - } - } - - if (lump && S_ISREG(inode->i_mode)) { - __u64 it_flags = FMODE_WRITE; - int lum_size; - - lum_size = ll_lov_user_md_size(lump); - if (lum_size < 0 || size < lum_size) - return 0; /* b=10667: ignore error */ - - rc = ll_lov_setstripe_ea_info(inode, dentry, it_flags, - lump, lum_size); - /* b=10667: rc always be 0 here for now */ - rc = 0; - } else if (S_ISDIR(inode->i_mode)) { - rc = ll_dir_setstripe(inode, lump, 0); - } - - return rc; - + return ll_setstripe_ea(dentry, (struct lov_user_md *)value, + size); } else if (!strcmp(name, "lma") || !strcmp(name, "link")) { ll_stats_ops_tally(ll_i2sbi(inode), LPROC_LL_SETXATTR, 1); return 0; -- 1.8.3.1 _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel
